CN208539718U - A kind of motor for hair care appliance - Google Patents
A kind of motor for hair care appliance Download PDFInfo
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- CN208539718U CN208539718U CN201821240409.0U CN201821240409U CN208539718U CN 208539718 U CN208539718 U CN 208539718U CN 201821240409 U CN201821240409 U CN 201821240409U CN 208539718 U CN208539718 U CN 208539718U
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- care appliance
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Abstract
A kind of motor for hair care appliance, including casing, stator assembly and rotor assembly, the casing is the tube-in-tube structure with inner barrel and outer barrel, and the stator module and the rotor assembly in addition to impeller are placed in the inner cylinder as support construction, are formed with arc wind guide channel along chassis axial direction between the inner cylinder and outer cylinder.A kind of motor provided by the utility model, the motor have the advantages that small in size, high revolving speed, Wind Volume, low noise, for the use body-sensing of user to can be improved in utensil of taking care of hair, meet the needs of existing market.
Description
Technical field
The utility model relates to hair care appliance technical fields, and in particular to a kind of electricity for hair care appliance
Machine.
Background technique
In people's daily life, due to the metabolism of scalp, head can constantly generate dandruff, and hair washing also becomes
A part of people's daily life.And people after washing head wash one's face and rinse one's mouth sleep or it is outgoing when, hair from
It so requires a great deal of time when drying, hair dryer facilitates people's lives, shortens the time that people dry up hair, just
Benefit people's lives.With the improvement of the quality of life, nursing and maintenance pay attention to day by day of the people for hair, thus existing
People develop a variety of nursing functions again on the basis of hair dryer, and general hair dryer is upgraded, it is made to can also be used for house
Front yard pet blow-drying hair etc., purposes is relatively broad, becomes the hair care utensil now held in both hands by people's heat.
Motor used in hair care utensil currently on the market is mostly slowspeed machine, and motor body is larger, quality is heavy, wind speed
It is low, noise is big, poor use comfort is brought to user.In order to improve the body-sensing of user, also have at present some
Solution, as patent publication No. CN106989039A, CN107006989A provide device, although such design in certain journey
It solves these problems on degree, but is not solved effectively there are still many root problems, such as:
1, monophase machine can only use square wave driving method, and electric efficiency is relatively low, and energy consumption is high, also result in motor electromagnetic arteries and veins
It is dynamic big, higher high band noise is brought, customer experience is bad.
2, rotor uses Agglutinate neodymium-iron-boron multipole magnet steel, and residual magnetic flux density is lower, and power of motor density is low, volume
It is bigger than normal, it is unfavorable for light-weight design.
3, fan blade uses 11 or 13 designs, and in high revolving speed, in the case of 7~100,000 turns, user still can be with
Hear high band noise, it is bad in middle low gear customer experience.
4, in order to solve the problems, such as motor stator heat dissipation and outlet air, casing air duct uses linear design, and high-speed flow is directly blown
On the components such as stator core, winding, skeleton, severe impact is generated with wedge angle, the step surface of each components, brings noise,
It is unable to satisfy requirement of the user for low noise, is impacted while bringing noise, large energy loss, outlet air are supervened
Efficiency reduces.
5, using the material of aluminium alloy, weight weighting is unable to satisfy client for light-weighted requirement, and pure machining produces,
Production efficiency is extremely low, and need to use 5 axis machine toolings, and cost is high, almost to account for 50% or more the motor cost of raw material, nothing
Method meets the needs of market is for price.
Current existing solution there are aiming at the problem that, it is necessary to propose a kind of new small in size, high revolving speed, strong wind
Amount, the motor of low noise and the hair care utensil with the motor meet the need of existing market to improve the use body-sensing of user
It asks.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of motor for hair care appliance, which has
It is the advantages of small in size, high revolving speed, Wind Volume, low noise, full for the use body-sensing of user to can be improved in hair care appliance
The demand of sufficient existing market.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of motor for hair care appliance, including casing, stator assembly and rotor assembly, the stator module packet
Include stator core, skeleton and winding, the rotor assembly includes shaft, bearing part, impeller and rotor magnetic ring, the impeller and is turned
Sub- magnet ring is fixed on the both ends of shaft, and the bearing part is set between the impeller and the rotor magnetic ring, the stator core
It is wrapped in the outside of the rotor magnetic ring, and is provided with multiple windings in stator core, the skeleton is set as the support of winding
It sets in the end of stator core,
The casing be the tube-in-tube structure with inner barrel and outer barrel, and the stator module and it is described in addition to impeller turn
Sub-component is placed in the inner cylinder as support construction, is formed with arc along chassis axial direction between the inner cylinder and outer cylinder
Shape wind guide channel, the bearing part are an integral structure with shaft.
Preferably, it is air inlet that the arc wind guide channel, which is located at the port at the impeller, it is located at the stator iron
Port at core is air outlet, and the bore of the air inlet is less than the bore of the air outlet.
Preferably, the inner cylinder is more towards outer cylinder diameter to being extended on the side wall being located at arc wind guide channel air outlet
A streamlined wind blade.
Preferably, there are between 0.05~0.1mm for the side of the streamlined wind blade and the outer tube side wall
Gap.
Preferably, the impeller is located at the air inlet of the arc wind guide channel, the streamlined wind blade
There are the gaps of 0.5~3.5mm with the impeller for bottom.
Preferably, the bearing part includes ball, bearing, the bearing includes inner ring and outer ring, the bearing
Inner ring is an integral structure with the shaft, and the ball is arranged between the inner ring and outer ring of bearing around shaft.
Preferably, the stator core is 6 slot structures, internal diameter is 6~8mm, and outer diameter is 17~19mm.
Preferably, the rotor magnetic ring is 4 pole magnet ring of 2 pole magnet ring of sintered NdFeB or sintered NdFeB.
Preferably, the impeller is formed by polyether-ether-ketone resin, and impeller has 17 or 19 blades.
Compared with prior art, a kind of motor provided by the utility model and the hair care utensil with the motor, have
Following advantages:
1, this motor uses 2 pole three-phase internal rotor scheme of 6 slot, 4 pole or 6 slot, can mention by a relatively large margin relative to monophase machine
High rotor magnetic field, machine winding utilization rate, while use vector control method, improve electric efficiency, reduce electromagnetic pulse.
2, rotor magnetic ring uses sintered neodymium iron boron material, and magnetic field strength is high, relative to the magnet material that existing electronics uses,
Air gap flux density improves 30%, and motor volume can be effectively reduced, and mitigates motor weight.
3, impeller use 17 blade designs, impeller 70,000 walk around speed when, impeller noise audio become can to 20,000 hertz,
More than auditory perceptual frequency, so the use body-sensing of user can be improved in each gear in motor.
4, arc wind guide channel structure is designed in casing, and air inlet bore is less than the bore of air outlet, wind is from impeller
It into casing, is guided by the arc of arc wind guide channel, may make entire air duct more smooth, air-flow is reduced by impact everywhere
To minimum, reduction noise, raising outlet air efficiency.
5, simultaneously, the design path type wind blade in arc wind guide channel ensure that outlet air parallel current degree is more preferable, reduce
The mutual impact loss of air-flow improves outlet air efficiency.
6, impeller is formed using polyether-ether-ketone resin, and density of material reduces 40% compared to existing aluminium alloy, product
Weight is lighter, meets light-weighted design requirement.
7, bearing part and shaft setting are an integral structure, the vibration generated when shaft rotation can be sustained, reduction is made an uproar
The generation of sound, while can also lower the material cost of motor.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of perspective view of the motor for hair care appliance provided by the utility model；
Fig. 2 is section when a kind of motor for hair care appliance provided by the utility model uses existing bearing part
Figure；
Fig. 3 is the perspective view of casing in a kind of motor for hair care appliance provided by the utility model；
Fig. 4 is the sectional view of casing in a kind of motor for hair care appliance provided by the utility model；
Fig. 5 is the perspective view of stator module in a kind of motor for hair care appliance provided by the utility model；
Fig. 6 is the perspective view of stator core in a kind of motor for hair care appliance provided by the utility model；
Fig. 7 is to turn when using existing bearing part in a kind of motor for hair care appliance provided by the utility model
The perspective view of sub-component；
Fig. 8 is the perspective view of impeller in a kind of motor for hair care appliance provided by the utility model；
Fig. 9 is that a kind of motor for hair care appliance provided by the utility model is integrated using bearing part with shaft
Sectional view when structure；
Figure 10 be used in a kind of motor for hair care appliance provided by the utility model bearing part and shaft for
The perspective view of rotor assembly when integral structure；
Figure 11 is the motor of the prior art in the noise pattern tested at its 50cm；
Figure 12 is motor provided by the utility model in the noise pattern tested at its 50cm.
Appended drawing reference involved in attached drawing and component part explanation:
1, casing；2, stator core；3, skeleton；4, winding；5, shaft；6, bearing part；7, impeller；8, rotor magnetic ring；9,
Inner cylinder；10, outer cylinder；11, arc air-guiding aisle；12, air inlet；13, air outlet；14, streamlined wind blade；15, blade；
16, ball；17, bearing.
Specific embodiment
The technical solution of the utility model will be clearly and completely described by specific embodiment below.Obviously,
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
Referring to shown in FIG. 1 to FIG. 8, a kind of motor, including casing 1, stator assembly and rotor assembly, stator module includes fixed
Sub- iron core 2, skeleton 3 and winding 4, rotor assembly include shaft 5, bearing part 6, impeller 7 and rotor magnetic ring 8, impeller 7 and rotor
Magnet ring 8 is fixed on the both ends of shaft 5, and bearing part 6 is set between impeller 7 and rotor magnetic ring 8, and stator core 2 is wrapped in rotor magnetic
The outside of ring 8, and multiple windings 4 are provided in stator core 2, stator core 2 is arranged in as the support of winding 4 in skeleton 3
End.Specifically, bearing part 6 includes connecting two bearings by spring.
Further, in order to reduce the material cost of motor, while vibrating noise is reduced, the utility model also provides another
Kind structure, i.e., be arranged to integral structure for bearing part 6 and shaft 5.Wherein, bearing part 6 includes ball 16, bearing 17, bearing
17 include inner ring and outer ring, and inner ring and the shaft 5 of bearing 17 are an integral structure, and ball 16 is arranged around shaft 5 in bearing 17
Inner ring and outer ring between, specific structure can be found in shown in Fig. 9~10.
In order to adhere to reduction windage, the production design requirement of noise is reduced, casing 1 is designed as with inner cylinder 9 and outer cylinder
10 tube-in-tube structure, and stator module and the rotor assembly in addition to impeller 7 are placed in the inner cylinder 9 as support construction, phase
Compared with the structure that motor part in the prior art is not wrapped up all in casing 1, full package provided by the utility model is set
Meter can effectively reduce impact of the air-flow in casing 1 to components such as the stator module of motor, rotor assembly, and then reduce gas
The wind loss in impact process is flowed, the outlet air efficiency of motor is improved.
Meanwhile arc wind guide channel 11, arc wind guide channel 11 are formed along 1 axial direction of casing between inner cylinder 9 and outer cylinder 10
Port at impeller 7 is air inlet 12, and the port at stator core is air outlet 13, and the bore of air inlet 12 is small
In the bore of air outlet 13.Arc wind guide channel 11 is because of its internal arcwall face and air flow contacts, so that entire air duct is more smooth,
Air-flow can be reduced when guiding air-flow to pass through to the impact inside casing 1, reduced windage, substantially reduced noise.
Since the tube-in-tube structure of casing 1 designs, it is being located at 11 air inlet 12 of arc wind guide channel, court on the side wall of inner cylinder 9
Outer cylinder 10 has radially extended multiple streamlined wind blades 14.So that air-flow from air inlet 12 entrance after along stream line motion, gradually
Parallel airflow is formed, and the gap between streamlined wind blade 14 and impeller 7 is controlled in 0.5~3.5mm, with 10 side of outer cylinder
The gap of wall controls obtainable motor optimal noise range and best outlet air efficiency in 0.05~0.1mm.
Furthermore in order to achieve the purpose that improve electric efficiency, reduce electric and magnetic oscillation, stator core 2 is adopted as 6 slot structures,
Internal diameter is 6~8mm, and outer diameter is 17~19mm, 0.4mm diameter or less circle riveting point tinertoy is used between punching or outside stator core
Portion is fixed using laser welding.Cooperate the stator core 2 of 6 slots, rotor magnetic ring 8 is using 2 pole magnet ring of sintered NdFeB or sintering neodymium
4 pole magnet ring of iron boron forms the electric machine structure of 6 slot, 2 pole or 6 slot, 4 pole, realizes vector controlled.And stator core 2 is using sintering neodymium
The magnetic material of iron boron is that the alloy by powder metallurgical technique, after melting is made powder and suppresses in magnetic field, compares
In existing magnetic material, internal air gap density is higher, can be improved 30% or more, has small in size, light-weight, magnetic
Strong advantage effectively reduces motor volume, reduces motor weight, reaches light-weighted design requirement.
Impeller 7 is formed by polyether-ether-ketone resin (PEEK), and density of material lower than aluminium alloy 40%, product weight is lighter, and
Mold injection molding can be used in this kind of material that impeller 7 uses, and production efficiency can be improved 10 times or more relative to machining,
Advantage is provided to enhance production capacities, and the cost of this kind of material is low, thus also further reduced the production cost of motor, it is full
Requirement of the sufficient market to price.
Further, impeller 7 uses the design of 17 or 19 blades, and increasing for 15 quantity of blade can effectively drop
Low wind noise, through obtained by overtesting, motor provided by the utility model has 17 leaves in 7~80,000 turns of middle speed operation
The frequency of making an uproar of wind caused by the impeller 7 of piece or 19 blades is maintained at greater than 20,000 hertz or more, is above auditory perceptual frequency
Range, motor provided by the utility model can keep lower noise under the operating condition of a variety of revolving speeds as a result,.
Referring to shown in Figure 11~Figure 12 and 1~table of table 2, motor and existing motor, selection are provided for the utility model
Noise ratio pair is carried out to the air outlet of motor and side at different distances, is analyzed by data it is found that the utility model mentions
The motor noise of confession is significantly less than existing motor, can provide the user with better usage experience.
1. the utility model of table and the parameter of electric machine in the prior art compare
2. the utility model of table and motor noise performance data in the prior art compare
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of motor for hair care appliance, including casing, stator assembly and rotor assembly, the stator module includes
Stator core, skeleton and winding, the rotor assembly include shaft, bearing part, impeller and rotor magnetic ring, the impeller and rotor
Magnet ring is fixed on the both ends of shaft, and the bearing part is set between the impeller and the rotor magnetic ring, the stator core packet
It is rolled in the outside of the rotor magnetic ring, and is provided with multiple windings in stator core, the skeleton is arranged as the support of winding
In the end of stator core, it is characterised in that: the casing is the tube-in-tube structure with inner barrel and outer barrel, and the stator module
It is placed in the inner cylinder as support construction with the rotor assembly in addition to impeller, edge between the inner cylinder and outer cylinder
Chassis axial direction is formed with arc wind guide channel, and the bearing part is an integral structure with shaft.
2. a kind of motor for hair care appliance according to claim 1, it is characterised in that: the arc wind guide channel
Port at the impeller is air inlet, and the port at the stator core is air outlet, the mouth of the air inlet
Diameter is less than the bore of the air outlet.
3. a kind of motor for hair care appliance according to claim 2, it is characterised in that: the inner cylinder is being located at
Towards outer cylinder diameter to being extended with multiple streamlined wind blades on side wall at arc wind guide channel air outlet.
4. a kind of motor for hair care appliance according to claim 3, it is characterised in that: the streamlined wind-guiding
There are the gaps of 0.05~0.1mm with the outer tube side wall for the side of blade.
5. a kind of motor for hair care appliance according to claim 3, it is characterised in that: the impeller is located at institute
The air inlet of arc wind guide channel is stated, there are between 0.5~3.5mm for the bottom of the streamlined wind blade and the impeller
Gap.
6. a kind of motor for hair care appliance according to claim 1, it is characterised in that: the bearing part includes
Ball, bearing, the bearing include inner ring and outer ring, and the inner ring of the bearing is an integral structure with the shaft, the rolling
Pearl is arranged between the inner ring and outer ring of bearing around shaft.
7. a kind of motor for hair care appliance according to claim 1, it is characterised in that: the stator core is
6 slot structures, internal diameter are 6~8mm, and outer diameter is 17~19mm.
8. a kind of motor for hair care appliance according to claim 1, it is characterised in that: the rotor magnetic ring is
4 pole magnet ring of 2 pole magnet ring of sintered NdFeB or sintered NdFeB.
9. a kind of motor for hair care appliance according to claim 1, it is characterised in that: the impeller is by polyethers
Ether ketone resin is formed, and impeller has 17 or 19 blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240409.0U CN208539718U (en) | 2018-08-02 | 2018-08-02 | A kind of motor for hair care appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240409.0U CN208539718U (en) | 2018-08-02 | 2018-08-02 | A kind of motor for hair care appliance |
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| Publication Number | Publication Date |
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| CN208539718U true CN208539718U (en) | 2019-02-22 |
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ID=65386618
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821240409.0U Active CN208539718U (en) | 2018-08-02 | 2018-08-02 | A kind of motor for hair care appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112806902A (en) * | 2019-11-18 | 2021-05-18 | 珠海格力电器股份有限公司 | Motor and dust catcher |
-
2018
- 2018-08-02 CN CN201821240409.0U patent/CN208539718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112806902A (en) * | 2019-11-18 | 2021-05-18 | 珠海格力电器股份有限公司 | Motor and dust catcher |
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