CN108306452A - Fan assembly and household electrical appliance - Google Patents
Fan assembly and household electrical appliance Download PDFInfo
- Publication number
- CN108306452A CN108306452A CN201711364938.1A CN201711364938A CN108306452A CN 108306452 A CN108306452 A CN 108306452A CN 201711364938 A CN201711364938 A CN 201711364938A CN 108306452 A CN108306452 A CN 108306452A
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- CN
- China
- Prior art keywords
- assembly
- support portion
- fan assembly
- casing
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- 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
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Abstract
The invention discloses a kind of fan assembly and household electrical appliance, fan assembly includes wind wheel component, electric machine assembly and base bearing, wind wheel component includes one or more wheel hub and multiple blades for being distributed on wheel hub, and there is at least one wheel hub support portion, support portion to be equipped with spindle hole.Electric machine assembly includes field frame assembly and rotor assembly, and rotor assembly is located on support portion, and motor shaft is connected on field frame assembly, and base bearing is located in spindle hole, and motor shaft is inserted into spindle hole and coordinates with base bearing.When fan assembly assembles, rotor assembly is first assembled with support portion, is arranged cooperation with field frame assembly afterwards.Fan assembly according to the ... of the embodiment of the present invention reduces the assembly difficulty of fan assembly, also eliminates non-essential intermediate assembly parts, reduces material cost and manufacturing expense.In addition, the fan assembly of such structure, compact-sized in the axial direction, assembly space has substantially been tightened.
Description
Technical field
The present invention relates to household appliances field more particularly to a kind of fan assemblies and household electrical appliance.
Background technology
Using the fan assembly of DC brushless motor, its conventional structure is, by locking devices such as screws, by brush DC
The axis extending portion of motor and the shaft coupling locking of wind wheel component connect, to realize that the stator rotating excitation field driving of DC brushless motor turns
The armature spindle of sub- assembly rotates, and kinetic energy is transmitted to wind wheel component by armature spindle by shaft coupling again, to drive wind wheel component to rotate.
The DC brushless motor that such scheme uses is made of assemblings such as rotor assembly, field frame assembly, bearing and bearing brackets, and one
As need that bearing is respectively set on the armature spindle of rotor assembly axial direction both sides, and use respectively bearing bracket or bearing chamber into
Row support is fixed.In order to couple the wind wheel component, DC brushless motor must also have the axis extending portion for stretching out motor body.Separately
Outside, the wind wheel component of such scheme needs that shaft coupling is arranged in one end of wind wheel, and needs to lock using locking devices such as screws
Coupling spindle extending portion.
To sum up, that there are parts is more for the fan assembly of such scheme, complicated, and installation step is more and complicated, automation
The problems such as degree is not high.And since parts are more, the problems such as complicated is assembled, causes material cost and manufacturing expense also higher.Separately
Outside, there is axis extending portion to cause the axial length of such fan assembly longer for rotor assembly axial direction both sides assembly bearing and motor, account for
With the assembly space for the household electrical appliance (such as air conditioner wall-mounted machine) for using such fan assembly, it is unfavorable for the reality of its miniaturization
It is existing.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of wind
Thermomechanical components, the fan assembly parts are few, and simple in structure, installation step is less.
The present invention, which also aims to, proposes a kind of household electrical appliance with the fan assembly.
Fan assembly according to the ... of the embodiment of the present invention, the fan assembly include：Wind wheel component, electric machine assembly and main shaft
It holds, the wind wheel component includes：One or more wheel hub, the multiple blades being distributed on the wheel hub, it is at least one described
There is wheel hub support portion, the support portion to be equipped with spindle hole；The electric machine assembly includes：Field frame assembly and rotor assembly, institute
It states rotor assembly to be located on the support portion, motor shaft is connected on the field frame assembly；The base bearing is located at the main shaft
In hole, the motor shaft is inserted into the spindle hole and coordinates with the base bearing；It is described when the fan assembly assembles
Rotor assembly is first assembled with the support portion, is arranged cooperation with the field frame assembly afterwards.
Fan assembly according to the ... of the embodiment of the present invention, since the rotor assembly of electric machine assembly is connected directly between wind wheel component
On wheel hub so that the quantity of motor bearings and bearing bracket is reduced, and stator field directly drives the wheel hub for being provided with rotor assembly
Rotation is to drive wind wheel component to rotate, and to reduce the assembly difficulty of fan assembly, also eliminates non-essential intermediate assembly
Part reduces material cost and manufacturing expense.In addition, the fan assembly of such structure, compact-sized in the axial direction, substantially
Assembly space is tightened.
In some embodiments, the wheel hub includes：End plate for connecting the blade, the end plate are relatively described fixed
Sub- assembly setting, the support portion are located on the end plate.
In some embodiments, at least one in the end plate and the support portion is insulating part.
In some embodiments, the end plate and the support portion are integrated injection molding part.
In some embodiments, the rotor assembly includes permanent magnet, and the permanent magnet is located on the support portion and encloses
It is arranged around the motor shaft.
Specifically, the permanent magnet is fixed on the branch by least one of bonding, injection molding, binding, crimping mode
On support part.
Specifically, the permanent magnet is integral type loop configuration or the permanent magnet is split type laminated structure.
Specifically, the internal face of the permanent magnet is equipped with the first positioning region for being located on the support portion, institute
It is at least one of groove and convex ribs to state the first positioning region.
More specifically, number of poles of the quantity of first positioning region equal to the permanent magnet upper magnetic pole, each described first
Positioning region is respectively positioned at the line of demarcation of the poles N adjacent on the permanent magnet and the poles S.
In some optional embodiments, the rotor assembly further includes：Magnetic guiding loop, the magnetic guiding loop be set in it is described forever
Between magnet and the support portion.
Specifically, the internal face of the magnetic guiding loop is equipped with the second positioning region for being located on the support portion, institute
It is at least one of groove and convex ribs to state the second positioning region.
In some embodiments, the electric machine assembly is inner rotor motor, and the field frame assembly includes：
Casing, the side that the casing is formed towards the wind wheel component is open barrel-shaped, outside the peripheral wall of the casing
It is sleeved on the support portion, the end center of the casing is equipped with the centre bore；Magnet portion, the magnet portion are located at the machine
On the peripheral wall of shell；Wherein, the casing is resin piece, and the magnet portion integrated injection molding is in the peripheral wall of the casing, Huo Zhesuo
It is metalwork to state casing, is sleeved on the inner wall of the casing in the magnet portion.
In some embodiments, the support of bearing for base bearing described in housing is equipped in the spindle hole.
In some embodiments, the outer peripheral edge of the field frame assembly is equipped with the mounting ear of multiple settings spaced apart.
Household electrical appliance according to the ... of the embodiment of the present invention, including the fan assembly.
Household motor according to the ... of the embodiment of the present invention makes due to previously described fan assembly, being especially advantageous for realizing
With the Miniaturization Design of household electrical appliance.
In some embodiments, the household electrical appliance are one kind in air conditioner, refrigerator, fan, smoke exhaust ventilator.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the overall structure diagram of the fan assembly of the embodiment of the present invention.
Fig. 2 is that Fig. 1 circles show enlarged diagram at A.
Fig. 3 is the wheel hub of the embodiment of the present invention and the assembling schematic diagram of rotor assembly.
Fig. 4 is the schematic cross-sectional view in the main view direction of the field frame assembly of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the right apparent direction of the field frame assembly of the embodiment of the present invention.
Fig. 6 is partial structural diagram of the fan assembly of the embodiment of the present invention at supplementary bearing.
Fig. 7 is partial structural diagram of the fan assembly of another embodiment of the present invention at supplementary bearing.
Fig. 8 is the wheel hub of the embodiment of the present invention in the side view equipped with rotor assembly side.
Reference numeral：
Fan assembly 1000,
Wind wheel component 100,
Wheel hub 110, support portion 111, spindle hole 1111, end plate 112, shaft 113, supplementary bearing chamber 114,
Blade 120,
Electric machine assembly 200,
Rotor assembly 210, permanent magnet 212, magnetic guiding loop 213, the first positioning region 214, the second positioning region 215, field frame assembly
220, casing 221, centre bore 2211, magnet portion 222, the support of bearing 223, mounting ear 224, circuit board 225, conductor grip 226,
Power cord assembly 227, motor shaft 228,
Base bearing 300,
Supplementary bearing 400,
Bearing block 500.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " length ", "upper", "lower", "front", "rear",
The orientation of instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " or
Position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one
A or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with
On.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fan assembly 1000 according to the ... of the embodiment of the present invention is described below with reference to Fig. 1-Fig. 8.
As Figure 1-Figure 2, fan assembly 1000 according to the ... of the embodiment of the present invention, including：Wind wheel component 100, motor group
Part 200 and base bearing 300, wind wheel component 100 include one or more wheel hub 110, and wind wheel component 100 further includes being distributed in wheel
There is support portion 111, support portion 111 to be equipped with spindle hole 1111 for multiple blades 120 on hub 110, at least one wheel hub 110.
Electric machine assembly 200 includes field frame assembly 220 and rotor assembly 210, and rotor assembly 210 is located on support portion 111, field frame assembly
Motor shaft 228 is connected on 220, base bearing 300 is located in spindle hole 1111, motor shaft 228 be inserted into spindle hole 1111 and
Coordinate with base bearing 300.When fan assembly 1000 assembles, rotor assembly 210 is first assembled with support portion 111, total with stator afterwards
It is arranged cooperation at 220.
It is understood that the wheel hub 110 of wind wheel component 100 due to the embodiment of the present invention and turning for electric machine assembly 200
Sub- assembly 210 is connected, that is to say, that the fan assembly 1000 of the embodiment of the present invention is by traditional rotor being built in inside motor
Assembly 210 integrates setting to the wheel hub 110 of wind wheel.
It should be noted that in conventional fan component, the electric machine assembly of use is usually individual packages component.Individual packages
The axial both ends of electric machine assembly need that bearing and bearing bracket (bearing bracket is alternatively referred to as electric motor end cap) is arranged, turned with support
Sub- assembly rotation.
And in the embodiment of the present invention, due to rotor assembly 210 being integrated on the wheel hub 110 of wind wheel component 100, entire wind
Machine supported rotor and hub rotation by needing originally, is changed into and only supporting wheel hub is needed to rotate, reduces motor bearings and bearing
The quantity of bracket realizes stator field and directly drives rotor assembly 210 on the support portion 111 for being set to wheel hub 110, with
Wind wheel component 100 is driven to rotate.
What needs to be explained here is that since rotor assembly 210 is integrated on the support portion 111 of wheel hub 110, blower fan group
When part 1000 assembles, rotor assembly 210 is first assembled with support portion 111, is arranged cooperation with field frame assembly 220 afterwards, this and traditional wind
In thermomechanical components, the assembling process that packaged electric machine assembly is connected to wind wheel component is different.
Such assembling process, no longer need to armature spindle through locking devices such as shaft coupling on wheel hub 110 and screws and
Shaft coupling couples, and reduces the assembly difficulty of fan assembly 1000, also eliminates non-essential intermediate assembly parts, reduce material
Cost and manufacturing expense.In addition, the fan assembly 1000 of such structure, compact-sized in the axial direction, dress has substantially been tightened
With space.
Fan assembly 1000 according to the ... of the embodiment of the present invention, since the rotor assembly 210 of electric machine assembly 200 is connected directly between
On the wheel hub 110 of wind wheel component 100 so that the quantity of motor bearings and bearing bracket reduces, and stator field directly drives setting
There is the wheel hub 110 of rotor assembly 210 to rotate to drive wind wheel component 100 to rotate, to reduce the assembly of fan assembly 1000
Difficulty also eliminates non-essential intermediate assembly parts, reduces material cost and manufacturing expense.In addition, the wind turbine of such structure
Component 1000, it is compact-sized in the axial direction, substantially tighten assembly space.
It should be added that in embodiments of the present invention, fan assembly 1000 can be cross flow fan, centrifugal blower
Or axial flow blower, it can also be other kinds of wind turbine, the type of 1000 apoplexy wheel assembly 100 of fan assembly do not made here
Concrete restriction.
In some embodiments, only support portion 111, the in this way fan assembly is arranged in side to wind wheel component 100 in the axial direction
1000 are only provided with electric machine assembly 200 in axial side.
In some embodiments, both sides are both provided with support portion 111 to wind wheel component 100 in the axial direction, in this way the fan assembly
1000 are both provided with electric machine assembly 200 in axial both sides.
In some embodiments, centre position is both provided with support portion 111 to wind wheel component 100 in the axial direction, in this way the wind turbine
Component 1000 is provided with electric machine assembly 200 in axial centre position.
In embodiment also, two wind wheel components 100 share an electric machine assembly 200, such as two wind wheel components 100
On support portion 111 be integrated, rotor assembly 210 be arranged on the support portion 111 after, field frame assembly 220 and the rotor are total
At 210 cooperations, stator field can drive two wind wheel components 100 while rotate.In another example electric machine assembly 200 includes one fixed
The support portion 111 in a wind wheel component 100 is arranged in sub- assembly 220 and two rotor assemblies 210, each rotor assembly 210
On, the stator field that a field frame assembly 220 generates can directly drive two rotor assemblies 210 and rotate, to drive two wind
Wheel assembly 100 rotates.
For ease of description, with fan assembly 1000 being hereinafter cross flow fan, fan assembly 1000 is only in axial side
Wheel hub 110 on be provided with for support portion 111 and illustrate.Certainly, when fan assembly 1000 is other types wind turbine,
Structure can directly be inferred by following embodiments, no longer repeat one by one the structure of other types wind turbine here.
In some embodiments, as shown in figure 3, wheel hub 110 includes the end plate 112 for connecting blade 120, end plate 112
Relative stator assembly 220 is arranged, and support portion 111 is located on end plate 112.Thus, it is possible to more firmly by rotor assembly 210
It connects on wheel hub 110.Here, end plate 112 serves as the effect of electric motor end cap, i.e. rotor assembly 210 is mounted on the end face of end plate 112
On, end plate 112 has protective effect to rotor assembly 210.Certainly, the name of end plate 112 does not indicate that the end plate 112 is only capable of position
In the end of wind wheel component 100, it is to the type of wind wheel component 100 and does not have restriction effect.
It should be noted that in the embodiment having, support portion 111 is integrally formed with end plate 112.In the embodiment having
In, support portion 111 is independently processed with end plate 112, the modes such as is bolted or is riveted therebetween and connect, to ensure
The reliability that torque transmits.
Also in the embodiment having, the size of wheel hub 110 is smaller, and rotor assembly 210 is directly arranged on the periphery of wheel hub 110,
Wheel hub 110 inherently directly constitutes the support portion 111 of setting rotor assembly 210 i.e. in the embodiment, and end plate 112 is omitted
Structure.
In addition, the blade 120 of wind wheel component 100 can connect (example welding, riveting, clamping) on end plate 112, blade 120
Also it can be integrally formed on end plate 112.
In some embodiments, wheel hub 110 further includes blade connecting plate (not shown), blade 120 be directly connected to (example welding,
Riveting, is integrally formed connection at clamping) on blade connecting plate, support portion 111 is connected on end plate 112, blade connecting plate and end plate
112 are connected, to can realize torque from support portion 111, to end plate 112, to blade connecting plate, to the transmission of blade 120.
In some embodiments, at least one in end plate 112 and support portion 111 is insulating part.It is understood that due to
Support portion 111 is connected with rotor assembly 210, and end plate 112 is connected with blade 120, if end plate 112 and support portion 111 are all
For conduct piece, then blade 120 charges when wind wheel component 100 may be caused to rotate, and will produce huge security risk in this way.Cause
This, insulating part is set as by least one in end plate 112 and support portion 111, it is ensured that blade 120 is not charged, reduces safety
Hidden danger.
In the embodiment having, wheel hub 110 does not have end plate 112, can entire wheel hub 110 be arranged to insulating part,
Blade 120 can be also configured to insulating part.
Optionally, support portion 111 can be resin piece, support portion 111 or other plastic parts.Optionally, end plate 112
Can be resin piece, end plate 112 or other plastic parts.
Optionally, support portion 111 and end plate 112 can be to use identical resinous material.
In some optional embodiments, end plate 112 and support portion 111 are integrated injection molding part.It so not only can letter
Metaplasia production. art, it can also be ensured that the blade 120 in rotation process of wind wheel component 100 will not charge, and both reduce production cost,
Safety is improved again.
In some embodiments, as shown in figure 3, rotor assembly 210 includes permanent magnet 212, permanent magnet 212 is located at support portion
It is arranged on 111 and around motor shaft 228.It is understood that at work, with field frame assembly 220 phase occurs for permanent magnet 212
Interaction so that permanent magnet 212 rotates, and since permanent magnet 212 is located on support portion 111, is rotated in permanent magnet 212
During can drive wind wheel component 100 rotate.Compared to traditional scheme, the fan assembly 1000 of the embodiment of the present invention directly uses
The permanent magnet 212 of rotor assembly 210 drives wind wheel component 100 to rotate, and eliminates the connecting components such as shaft coupling, simplifies wind wheel group
The structure of part 100 reduces the whole axial dimension of wind wheel component 100.
In embodiments of the present invention, can also permanent magnet 212 be substituted using rotor coil, relative to rotor coil
Speech, without connecing electricity, structure can be simplified permanent magnet 212.
Specifically, permanent magnet 212 is fixed on support portion by least one of bonding, injection molding, binding, crimping mode
On 111.It is possible thereby to ensure that permanent magnet 212 will not loosen in 100 rotation process of wind wheel component, improve wind wheel component 100
Operational reliability.
In the embodiment having, permanent magnet 212 is integral type loop configuration.In the embodiment having, permanent magnet 212 is point
Body formula laminated structure, i.e. permanent magnet 212 include the magnetic shoe of distribution.User can select the knot of permanent magnet 212 according to actual conditions
Configuration formula can make the application range of the wind wheel component 100 of the embodiment of the present invention wider in this way.
In some embodiments, as shown in Figure 1, permanent magnet 212 is arranged on the peripheral surface of support portion 111.
Optionally, as shown in figure 8, the internal face of permanent magnet 212 is fixed equipped with first for being located on support portion 111
Position portion 214, the first positioning region 214 are at least one of groove and convex ribs.It is understood that in the embodiment having, forever
The internal face of magnet 212 is equipped with groove, and support portion 111 is equipped with the convex ribs coordinated with groove.In the embodiment having, permanent magnetism
The internal face of body 212 is equipped with convex ribs, and support portion 111 is equipped with the groove coordinated with convex ribs.It can using the connection type of grafting
To improve the connective stability of permanent magnet 212.And the cooperation of groove and convex ribs, positioning accuracy can be improved.
Specifically, the permanent magnet 212 is axially run through in the first positioning region 214, that is to say, that in the axial direction the
One positioning region 214 and 212 equal length of permanent magnet.Permanent magnet 212 is equipped with multiple first positioning regions 214, and in circumferential direction
Upper multiple first positioning regions 214 are centrosymmetric distribution.The stable connection of permanent magnet 212 can be further improved in this way
Property.
Specifically, the quantity of the first positioning region 214 is equal to the number of poles of 212 upper magnetic pole of permanent magnet, each first positioning region 214
It is respectively positioned at the line of demarcation of the poles N adjacent on permanent magnet 212 and the poles S.It is understood that the poles N of permanent magnet 212 and the poles S
Magnetic field is relatively weak at line of demarcation, and the first positioning region 214, which is located at the poles N and the line of demarcation of the poles S, can reduce to permanent magnet 212
The influence in magnetic field ensures 100 even running of wind wheel component to ensure the interaction of permanent magnet 212 and field frame assembly 220.
In some optional embodiments, as shown in figures 3 and 8, rotor assembly 210 further includes magnetic guiding loop 213, magnetic guiding loop
213 are set between permanent magnet 212 and support portion 111.It is possible thereby to improve main magnetic flux, the energy of fan assembly 1000 is improved
Effect.
Optionally, magnetic guiding loop 213 is becket.
Specifically, as shown in figure 8, the internal face of magnetic guiding loop 213 is fixed equipped with second for being located on support portion 111
Position portion 215, the second positioning region 215 are at least one of groove and convex ribs.It is understood that in the embodiment having, lead
The internal face of magnet ring 213 is equipped with groove, and support portion 111 is equipped with the convex ribs coordinated with groove.In the embodiment having, magnetic conduction
The internal face of ring 213 is equipped with convex ribs, and support portion 111 is equipped with the groove coordinated with convex ribs.It can using the connection type of grafting
To improve the connective stability of magnetic guiding loop 213.
Specifically, the magnetic guiding loop 213 is axially run through in the second positioning region 215, that is to say, that in the axial direction the
Two positioning regions 215 and 213 equal length of magnetic guiding loop.Magnetic guiding loop 213 is equipped with multiple second positioning regions 215, and in circumferential direction
Upper multiple second positioning regions 215 are centrosymmetric distribution.The stable connection of magnetic guiding loop 213 can be further improved in this way
Property.
Specifically, the second positioning region 215 corresponds at the line of demarcation of the poles N adjacent on permanent magnet 212 and the poles S, it is ensured that
Reducing by the second positioning region 215 influences magnetic field.
In the embodiment shown in fig. 8, magnetic guiding loop 213 is set between permanent magnet 212 and support portion 111, permanent magnet 212
Internal face be equipped with the first positioning region 214, the first positioning region 214 is convex ribs, and the outside wall surface of magnetic guiding loop 213 is equipped with convex with this
The groove of muscle cooperation.The internal face of magnetic guiding loop 213 is equipped with the second positioning region 215, and the second positioning region 215 is groove, support portion
111 outside wall surface is equipped with the convex ribs coordinated with the groove.Here, magnetic guiding loop 213 is located in support by the second positioning region 215
In portion 111, permanent magnet 212 is located in by the first positioning region 214 on magnetic guiding loop 213, to be located on support portion 111.
In some embodiments, it is equipped with as shown in Fig. 2, Fig. 3 and Fig. 8, in spindle hole 1111 and is used for housing base bearing 300
The support of bearing 223.It is possible thereby to ensure that base bearing 300 is stablely supported in centre bore 2211.
Optionally, the support of bearing 223 is metalwork, can squeeze the support of bearing 223 to avoid base bearing 300 so that axis in this way
The deformation of holder 223 is held, is installed so as to cause base bearing 300 unstable.
Optionally, the support of bearing 223, permanent magnet 212, support portion 111 and end plate 112 are the structures of integrated injection molding.
In some embodiments, as shown in Figure 2, Figure 4 shows, electric machine assembly 200 is inner rotor motor, and field frame assembly 220 includes
Casing 221 and magnet portion 222, the side that casing 221 is formed towards wind wheel component 100 is open barrel-shaped, the peripheral wall of casing 221
It is sleeved on support portion 111 outside, the end center of casing 221 is equipped with centre bore 2211, and motor shaft 228 coordinates in centre bore 2211
Interior, magnet portion 222 is located on the peripheral wall of casing 221.
In the embodiment having, casing 221 be resin piece, 222 integrated injection molding of magnet portion in the peripheral wall of casing 221,
In some embodiments, casing 221 is metalwork, is sleeved on the inner wall of casing 221 in magnet portion 222.It is possible thereby to according to reality
The material type for needing selection casing 221, to expand the use scope of wind wheel component 100.
Optionally, casing 221 is resinous material BMC material.Optionally, field frame assembly 220 includes stator core, stator
Winding, insulation framework, field frame assembly 220 using resinous material by stator core, stator winding, insulation framework integrated injection molding at
Type.In some embodiments, casing 221 and 228 integrated injection molding of motor shaft.
In the example of fig. 4, the peripheral wall of casing 221 surrounds the cavity to be formed and is equivalent to rotor accommodating cavity, rotor assembly 210
Outer diameter be less than rotor accommodating cavity diameter.I.e. there are gaps between magnet portion 222 and permanent magnet 212.
In some embodiments, as shown in fig. 4-5, the outer peripheral edge of field frame assembly 220 is equipped with multiple settings spaced apart
Mounting ear 224, the installation of field frame assembly 220 can be facilitated in this way.Optionally, mounting ear 224 and 221 integrated injection molding of casing at
Type.
In some embodiments, as shown in figure 4, field frame assembly 220 further includes：Circuit board 225, conductor grip 226 and power supply
Some or all of component in line assembly 227.Circuit board 225 is connected with magnet portion 222, and conductor grip 226 is located at field frame assembly
To facilitate outlet, power cord assembly 227 to be electrically connected with circuit board 225 to connect power supply and circuit board 225 at 220 line outlet groove.
In some embodiments, as shown in figures 1 to 6, wind wheel component 100 can be set in one end far from electric machine assembly 200
Shaft 113 is set, shaft 113 is supported on outside by supplementary bearing 400, and there is bearing branch at the axial both ends of such wind wheel component 100
Support, it is ensured that the installation of fan assembly 1000 rotates smoothly.
Here, there are many fit systems of shaft 113, supplementary bearing 400 and wheel hub 110.For example, implementation shown in Fig. 6
In example, one end of shaft 113 is fixed on wheel hub 110, and supplementary bearing 400 is located on outside support (not shown), shaft 113
The other end be inserted into supplementary bearing 400.Optionally, shaft 113 can be integrally formed on wheel hub 110.
In the embodiment shown in fig. 7, wind wheel component 100 is equipped in one end far from electric machine assembly 200, wheel hub 110
Supplementary bearing chamber 114, supplementary bearing chamber 114 are used to install supplementary bearing 400 and support the bearing block 500 of supplementary bearing 400, shaft 113
One end is fixed on outside support (not shown), and the other end of shaft 113 is inserted into supplementary bearing 400.
In some embodiments, wheel hub 110 is multiple and axially spaced setting, one end far from electric machine assembly 200
Wheel hub 110 be auxiliary wheel hub, assist the center of wheel hub to be connected with shaft 113.
In other embodiments of the present invention, according to the selection of the structure of fan assembly 1000, the wheel hub in wind wheel component 100
110 can also be provided only with one, and the wheel hub 110 can only side be supported by rotor shaft in the axial direction, and the other side is hanging.
Below with reference to the fan assembly 1000 of Fig. 1-Fig. 4 descriptions specific embodiment of the invention.
As shown in Figs. 1-2, fan assembly 1000 includes wind wheel component 100, electric machine assembly 200 and base bearing 300, wind wheel group
Part 100 includes two wheel hubs 110 and the multiple blades 120 being distributed on wheel hub 110.Wind wheel component 100 one end in Fig. 1
Wheel hub 110 coordinates electric machine assembly 200, the wheel hub 110 of the other end to be supported on outside support by shaft 113, supplementary bearing 400.
Wheel hub 110 towards the setting of electric machine assembly 200 includes the end plate 112 and support portion 111 for connecting blade 120,
End plate 112 is parallel to the setting of field frame assembly 220, and support portion 111 is integrally formed on end plate 112.It is set at the center of support portion 111
There is spindle hole 1111.
Electric machine assembly 200 includes field frame assembly 220 and rotor assembly 210, and rotor assembly 210 is located on support portion 111, fixed
Motor shaft 228 is connected on sub- assembly 220, base bearing 300 is located in spindle hole 1111, and motor shaft 228 is inserted into spindle hole
Coordinate in 1111 and with base bearing 300, the support of bearing 223 for housing base bearing 300 is equipped in spindle hole 1111.In wind turbine
When component 1000 assembles, rotor assembly 210 is first assembled with the wheel hub 110 equipped with support portion 111, is arranged afterwards with field frame assembly 220
Cooperation.
As shown in figure 3, rotor assembly 210 includes permanent magnet 212 and magnetic guiding loop 213, permanent magnet 212 is located at support portion 111
Above and around motor shaft 228 it is arranged, magnetic guiding loop 213 is set between permanent magnet 212 and support portion 111.
As shown in Figure 2, Figure 4 shows, electric machine assembly 200 is inner rotor motor, and field frame assembly 220 includes casing 221 and magnet portion
222, the side that casing 221 is formed towards wind wheel component 100 is open barrel-shaped, and support portion 111 is sleeved on outside the peripheral wall of casing 221
On, the end center of casing 221 is equipped with centre bore 2211, and magnet portion 222 is located on the peripheral wall of casing 221.Field frame assembly 220
The mounting ear 224 of setting is spaced apart there are three being set on outer peripheral edge.Field frame assembly 220 further includes：Circuit board 225,226 and of conductor grip
Power cord assembly 227, circuit board 225 are connected with magnet portion 222, and conductor grip 226 is located at the line outlet groove of field frame assembly 220 with side
Just outlet, power cord assembly 227 are electrically connected with circuit board 225 to connect power supply and circuit board 225.
The fan assembly 1000 of the present embodiment, since the rotor assembly 210 of electric machine assembly 200 is connected directly between wind wheel component
On 100 wheel hub 110 so that the quantity of motor bearings and bearing bracket reduces, and realizes stator field and directly drives and is set to
Rotor assembly 210 on the support portion 111 of wheel hub 110, to drive wind wheel component 100 to rotate, to reduce fan assembly
1000 assembly difficulty also eliminates non-essential intermediate assembly parts, reduces material cost and manufacturing expense.In addition, such
The fan assembly 1000 of structure, it is compact-sized in the axial direction, substantially tighten assembly space.
Household electrical appliance according to the ... of the embodiment of the present invention, including fan assembly 1000.
Household motor according to the ... of the embodiment of the present invention, due to previously described fan assembly 1000, being especially advantageous for reality
Now use the Miniaturization Design of household electrical appliance.
In some embodiments, household electrical appliance are one kind in air conditioner, refrigerator, fan, smoke exhaust ventilator.
Certainly, the fan assembly 1000 of the embodiment of the present invention can also be applied in the other field of needs, can be not limited to
It is applied only to field of household appliances.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean combine the embodiment or
Example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.At this
In specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description is specific
Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (16)
1. a kind of fan assembly, which is characterized in that the fan assembly includes：Wind wheel component, electric machine assembly and base bearing, it is described
Wind wheel component includes：One or more wheel hub, the multiple blades being distributed on the wheel hub, at least one wheel hub have
Support portion, the support portion are equipped with spindle hole；
The electric machine assembly includes：Field frame assembly and rotor assembly, the rotor assembly are located on the support portion, the stator
Motor shaft is connected on assembly；
The base bearing is located in the spindle hole, and the motor shaft is inserted into the spindle hole and matches with the base bearing
It closes；When the fan assembly assembles, the rotor assembly is first assembled with the support portion, covers establishing with the field frame assembly afterwards
It closes.
2. fan assembly according to claim 1, which is characterized in that the wheel hub includes：For connecting the blade
End plate, the relatively described field frame assembly setting of the end plate, the support portion are located on the end plate.
3. fan assembly according to claim 2, which is characterized in that at least one in the end plate and the support portion to be
Insulating part.
4. fan assembly according to claim 2, which is characterized in that the end plate and the support portion are integrated and are molded into
Type part.
5. fan assembly according to claim 1, which is characterized in that the rotor assembly includes permanent magnet, the permanent magnetism
Body is located on the support portion and is arranged around the motor shaft.
6. fan assembly according to claim 5, which is characterized in that the permanent magnet passes through bonding, injection molding, binding, pressure
Mode at least one of is connect to be fixed on the support portion.
7. fan assembly according to claim 5, which is characterized in that the permanent magnet is integral type loop configuration, or
The permanent magnet is split type laminated structure.
8. fan assembly according to claim 5, which is characterized in that the internal face of the permanent magnet is equipped with for positioning
The first positioning region on the support portion, first positioning region are at least one of groove and convex ribs.
9. fan assembly according to claim 8, which is characterized in that the quantity of first positioning region is equal to the permanent magnetism
The number of poles of body upper magnetic pole, each first positioning region are respectively positioned at the line of demarcation of the poles N adjacent on the permanent magnet and the poles S.
10. according to the fan assembly described in any one of claim 5-9, which is characterized in that the rotor assembly further includes：It leads
Magnet ring, the magnetic guiding loop are set between the permanent magnet and the support portion.
11. fan assembly according to claim 10, which is characterized in that the internal face of the magnetic guiding loop is equipped with for fixed
Second positioning region of the position on the support portion, second positioning region are at least one of groove and convex ribs.
12. fan assembly according to claim 1, which is characterized in that the electric machine assembly is inner rotor motor, described fixed
Sub- assembly includes：
Casing, the side that the casing is formed towards the wind wheel component is open barrel-shaped, is sleeved on outside the peripheral wall of the casing
On the support portion, the end center of the casing is equipped with the centre bore；
Magnet portion, the magnet portion are located on the peripheral wall of the casing；
Wherein, the casing is resin piece, and the magnet portion integrated injection molding is in the peripheral wall of the casing or the casing is
Metalwork is sleeved on the inner wall of the casing in the magnet portion.
13. fan assembly according to claim 1, which is characterized in that be equipped in the spindle hole for main described in housing
The support of bearing of bearing.
14. fan assembly according to claim 1, which is characterized in that the outer peripheral edge of the field frame assembly is equipped with multiple
It is spaced apart the mounting ear of setting.
15. a kind of household electrical appliance, which is characterized in that include the fan assembly according to any one of claim 1-14.
16. household electrical appliance according to claim 15, which is characterized in that the household electrical appliance are air conditioner, refrigerator, wind
One kind in fan, smoke exhaust ventilator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364938.1A CN108306452A (en) | 2017-12-18 | 2017-12-18 | Fan assembly and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364938.1A CN108306452A (en) | 2017-12-18 | 2017-12-18 | Fan assembly and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108306452A true CN108306452A (en) | 2018-07-20 |
Family
ID=62870099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711364938.1A Pending CN108306452A (en) | 2017-12-18 | 2017-12-18 | Fan assembly and household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108306452A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02119545A (en) * | 1988-10-26 | 1990-05-07 | Matsushita Electric Works Ltd | Permanent magnet rotor |
| JPH09140092A (en) * | 1995-11-09 | 1997-05-27 | Toshiba Corp | Built-in fan type motor |
| JPH10210728A (en) * | 1997-01-21 | 1998-08-07 | Shibaura Eng Works Co Ltd | Brushless dc fan motor |
| JPH11206073A (en) * | 1998-01-19 | 1999-07-30 | Shibaura Mechatronics Corp | Fan integral type induction motor |
| CN1627607A (en) * | 2003-12-10 | 2005-06-15 | 富士通将军股份有限公司 | Air blower apparatus |
-
2017
- 2017-12-18 CN CN201711364938.1A patent/CN108306452A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02119545A (en) * | 1988-10-26 | 1990-05-07 | Matsushita Electric Works Ltd | Permanent magnet rotor |
| JPH09140092A (en) * | 1995-11-09 | 1997-05-27 | Toshiba Corp | Built-in fan type motor |
| JPH10210728A (en) * | 1997-01-21 | 1998-08-07 | Shibaura Eng Works Co Ltd | Brushless dc fan motor |
| JPH11206073A (en) * | 1998-01-19 | 1999-07-30 | Shibaura Mechatronics Corp | Fan integral type induction motor |
| CN1627607A (en) * | 2003-12-10 | 2005-06-15 | 富士通将军股份有限公司 | Air blower apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 汪文胜编著: "《电动自行车维修入门》", 31 May 2013, 安徽科学技术出版社 * |
| 陆云主编: "《现代有轨电车工程》", 30 April 2015, 西南交通大学出版社 * |
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Application publication date: 20180720 |
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