CN110247484A - Food processor and stator core, motor for food processor - Google Patents
Food processor and stator core, motor for food processor Download PDFInfo
- Publication number
- CN110247484A CN110247484A CN201810187842.0A CN201810187842A CN110247484A CN 110247484 A CN110247484 A CN 110247484A CN 201810187842 A CN201810187842 A CN 201810187842A CN 110247484 A CN110247484 A CN 110247484A
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- China
- Prior art keywords
- stator
- food processor
- motor
- rotor core
- food
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/08—Driving mechanisms
-
- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- 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
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Stator core, motor the invention discloses a kind of food processor and for food processor, the stator core include: the stator yoke of annular, and the width of the stator yoke is W and the width of the stator yoke is equal everywhere；Multiple stator teeths, multiple stator teeths are set to the inner peripheral surface of the stator yoke, stator tooth socket is formed between the two neighboring stator teeth, multiple stator teeths limit the stator hole coaxial with the stator yoke, each stator teeth includes the stator tooth boots of the stator teeth main body being connected with the stator yoke and the inner end for being located at the stator teeth main body, the width of each stator teeth main body is V, wherein W:V=0.6-0.7.Stator core magnetic flux density distribution according to an embodiment of the present invention for food processor is more reasonable, and temperature rise is more balanced, is conducive to improve service life and safety.
Description
Technical field
The present invention relates to food processor technical fields, more particularly, to a kind of food processor and are used for product contents
Stator core, the motor of reason machine.
Background technique
In the related art, motor will appear stator temperature rise imbalance, the excessively high problem of stator yoke temperature rise.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding:
In the related art, the magnetic yoke of motor stator is wide and the wide ratio of teeth portion does not have fixed value, and usual ratio is mostly
0.4-0.6 makes stator yoke undertake the iron loss of greater proportion, to reduce the fever temperature rise of stator teeth, but can bring stator
The excessively high problem of yoke portion temperature rise.If being solved the above problems by a magnetically permeable shell jacketed on motor, to a certain degree
On can reduce the magnetic flux density of stator yoke, reduce the iron loss of stator yoke, but will increase material and process costs.
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 use
In the stator core of food processor, the stator core temperature rise for food processor is more balanced.
The invention also provides a kind of motors with said stator iron core.
The invention also provides a kind of food processors with above-mentioned motor.
Stator core according to an embodiment of the present invention for food processor, comprising: annular stator yoke, it is described fixed
The width in sub- yoke portion is W and the width of the stator yoke is equal everywhere；Multiple stator teeths, multiple stator teeths are set to
The inner peripheral surface of the stator yoke is formed with stator tooth socket, multiple stator teeths between the two neighboring stator teeth
The stator hole coaxial with the stator yoke is limited, each stator teeth includes the stator being connected with the stator yoke
The stator tooth boots of teeth portion main body and the inner end for being located at the stator teeth main body, the width of each stator teeth main body are V,
Wherein, W:V=0.6-0.7.
Stator core magnetic flux density distribution according to an embodiment of the present invention for food processor is more reasonable, and temperature rise is more
Equilibrium, is conducive to improve service life and safety.
In addition, the stator core according to the above embodiment of the present invention for food processor can also have following add
Technical characteristic:
Stator core according to an embodiment of the present invention for food processor, W and V further satisfaction: W:V=0.64-
0.66。
According to some embodiments of the present invention, the width of each stator teeth main body is equal everywhere.
Further, the stator yoke is Internal periphery and outer profile is circular circular ring shape.
Further, in the circumferential direction of the stator yoke, the both ends of the stator tooth boots are each extended over beyond described fixed
The abutting end of sub- teeth portion main body, the two neighboring stator tooth boots is spaced apart or connected.
According to some embodiments of the present invention, the stator core further include: multiple positioning protrusion, multiple convexes
The circumferentially-spaced outer peripheral surface for being opened in the stator yoke along the stator yoke is played, each positioning protrusion is along described fixed
Sub- yoke portion radially extends.
Motor according to an embodiment of the present invention for food processor includes: according to an embodiment of the present invention for food
The stator core of cooking machine；Rotor core, the rotor core be rotatably arranged in the stator hole and with the stator hole
Coaxially.
Further, the maximum radial dimension of the stator yoke is D, and the maximum radial dimension of the rotor core is d,
Wherein, D and d meets: 0.4≤d/D≤0.55.
According to some embodiments of the present invention, it is equipped in the rotor core along its circumferentially spaced setting and for plugging
Multiple magnet slots of permanent magnet, the both ends of the magnet slot extend respectively to the axial ends of the rotor core, each described
At least one end of magnet slot in the circumferential direction of the rotor core is equipped with the locating slot for being positioned to the permanent magnet.
Further, the linear distance at both ends of each magnet slot in the circumferential direction of the rotor core is b, described
The maximum radial distance of the outer peripheral surface of rotor core described in the centre distance of rotor core is R, wherein b:R=0.95-1.0.
In some embodiments of the invention, the minimum range of outer peripheral surface of the magnet slot apart from the rotor core is
A1, the minimum range of outer peripheral surface of the locating slot apart from the rotor core are a2, wherein min (a1, a2)=0.8mm-
1.8mm。
Optionally, the magnet slot is the arc groove or straight-line groove of strip and dividing equally for the length direction of the magnet slot
Line passes through the center of the rotor core.
According to some embodiments of the present invention, the outer periphery of the rotor core be formed with it is multiple circumferentially distributed along its and to
The pole tooth of outer protrusion is formed with tooth socket between the two neighboring pole tooth.
Further, the normal profile of the pole tooth is formed as arc-shaped, using the center of the rotor core as the center of circle and
The radius of tangent circle is R, center tangent with the slot bottom of the tooth socket and with the rotor core with the tooth top of the pole tooth
Radius for the circle in the center of circle is r, wherein r:R=0.96-0.98.
In some embodiments of the invention, the motor is frequency conversion brushless motor.
Food processor according to an embodiment of the present invention includes: cooking container, is formed in the cooking container for containing
Put the food accommodating chamber of food；Motor according to an embodiment of the present invention for food processor；For handling food
Food processing part, the Food processing part protrudes into the food accommodating chamber and under the drive of the motor relative to described
Arrange container rotation.
Further, the food processor further include: base, the cooking container are to be detachably arranged at the base
Cup body component, the motor is installed on the base, and the Food processing part is the knife assembly being connected with the cup body component,
The motor is sequentially connected when the cup body component is set to the base with the knife assembly to drive the knife assembly opposite
It is rotated in the cup body component.
Further, the food processor further include: electric-control system, the electric-control system include electric-controlled plate, the electricity
Control plate is installed on the base and is electrically connected with the motor to control the motor work；For showing the food processor
Working condition display component, the display component is installed on the base and is electrically connected with the electric-control system.
Optionally, the food processor is blender, wall-breaking machine, Normal juice machine, juice extractor or soy bean milk making machine.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the assembling schematic diagram of the rotor core of stator core and motor according to an embodiment of the invention；
Fig. 2 is the structural schematic diagram of the rotor core of motor according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of the rotor core of motor in accordance with another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of food processor according to an embodiment of the present invention.
Appended drawing reference:
Food processor 200；Arrange container 210；Base 220；Electric-control system 230；Display component 240；
Motor 100；
Stator core 10；Stator tooth socket 101；Stator hole 102；Stator yoke 11；Stator teeth 12；Stator teeth main body
121；Stator tooth boots 122；Positioning protrusion 13；Winding 14；
Rotor core 20；Pole tooth 21；Tooth socket 22；Magnet slot 23；Locating slot 24；Permanent magnet 25.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can carry out a variety of changes to these embodiments without departing from the principle and spirit of the present invention
Change, modification, replacement and variant, the scope of the present invention is defined by the claims and their equivalents.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The orientation or positional relationship of the instructions such as "lower", "front", "rear", "left", "right", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with
On.
Below with reference to the accompanying drawings stator core 10 according to an embodiment of the present invention for food processor 200 is described.
Referring to Fig.1 shown in-Fig. 4, the stator core 10 according to an embodiment of the present invention for food processor 200 be can wrap
It includes: stator yoke 11 and stator teeth 12.
Specifically, stator teeth 12 can be to be multiple, stator yoke 11 can be annular, and multiple stator teeths 12 can be with
Inner peripheral surface set on annular stator yoke portion 11, and multiple stator teeths 12 can limit the stator coaxial with stator yoke 11
Hole 102.Stator yoke 11 can provide mechanical support for multiple stator teeths 12, fix 12 position of stator teeth.It is multiple fixed
Sub- teeth portion 12 can could be formed with stator between the circumferentially spaced distribution of stator yoke 11, two neighboring stator teeth 12
Tooth socket 101, winding 14 can be wrapped in stator teeth 12 by stator tooth socket 101.
It should be noted that in the present invention, the quantity of stator teeth 12 can need flexible setting according to the actual situation,
Stator teeth 12 is six purposes for being given for example only explanation in Fig. 1, in other embodiments of the invention, stator teeth 12
Or two, four or more, this is all within protection scope of the present invention.
In the related art, the magnetic yoke of motor stator is wide and the wide ratio of teeth portion does not have fixed value, and usual ratio is mostly
0.4-0.6 makes stator yoke undertake the iron loss of greater proportion, to reduce the fever temperature rise of stator teeth, but can bring stator
The excessively high problem of yoke portion temperature rise.If being solved the above problems by a magnetically permeable shell jacketed on motor, to a certain degree
On can reduce the magnetic flux density of stator yoke, reduce the iron loss of stator yoke, but will increase material and process costs.
And in the present invention, shown referring to Fig.1, each stator teeth 12 may include: stator teeth main body 121 and stator
Tooth boots 122.Wherein, stator teeth main body 121 is connected with stator yoke 11, can connect stator teeth 12 with stator yoke 11
It is integrated.Stator tooth boots 122 are located at the inner end of stator teeth main body 121, can reduce stator teeth 12 and rotor core 20 it
Between air-gap reluctance, improve Distribution of Magnetic Field.
In addition, the width of stator yoke 11 is equal everywhere, in order to which stator core 10 forms, and the width of stator yoke 11
Degree is W, and the width of each stator teeth main body 121 is V.For etc. shapes stator core 10, i.e. the maximum of stator core 10
Mono- timing of radial dimension D, if W:V is too small, the magnetic flux density that will lead to stator teeth 12 is excessively high, or even magnetic flux density occurs and satisfy
With in 10 course of work of stator core, the iron loss of stator teeth 12 is larger, and the temperature rise of stator teeth 12 is excessively high.And it is adjacent
Stator tooth socket 101 between two stator teeths 12 is too small, and two neighboring stator teeth 12 is apart from too short, electromagnetism easy to form time
Road, and then reduce the efficiency of stator core 10.
If W:V is excessive, the magnetic flux density that will lead to stator yoke 11 is excessively high, or even flux density saturation occurs, in stator
In 10 course of work of iron core, the iron loss of stator yoke 11 is larger and the excessively high phenomenon of temperature rise occurs.
Therefore, in some embodiments of the invention, the width W of stator yoke 11 and each stator teeth main body 121
Width V can satisfy W:V=0.6-0.7, and stator yoke 11 and stator teeth 12 can more reasonably distribute stator core 10
Magnetic flux density prevents 10 local temperature rise of stator core higher, keeps the temperature rise of stator core 10 more balanced, to improve stator core
10 service lifes and security performance.For example, in some embodiments of the invention, the width W and stator of stator yoke 11
The ratio W:V of the width V of teeth portion main body 121 can be respectively 0.6,0.62,0.65,0.68 and 0.7 etc..
It should be noted that in the present invention, the width W of stator yoke 11 can be understood as the stator yoke 11 of annular
The distance between inner peripheral surface and outer peripheral surface, the width V of stator teeth main body 121 can be understood as the edge of stator teeth main body 121
Circumferential the distance between two sides of stator yoke 11.
In addition, the distance between the inner peripheral surface and outer peripheral surface of the stator yoke 11 of annular can be identical everywhere, and certainly, annular
Stator yoke 11 inner peripheral surface and the distance between outer peripheral surface be also possible to not exactly the same, annular stator yoke 11
The distance between inner peripheral surface and outer peripheral surface can be everywhere identical or not exactly the same.But in the present invention, stator yoke
The width V of any position of the width W and stator teeth main body 121 of 11 any position meets W:V=0.6-0.7.
The width W of the stator yoke 11 of stator core 10 according to an embodiment of the present invention for food processor 200 and
The width V of stator teeth main body 121 meets W:V=0.6-0.7, and magnetic flux density distribution is more reasonable, and temperature rise is more balanced, is conducive to
It improves service life and safety.
Further to make the temperature rise of stator core 10 lower, further embodiment according to the present invention, stator yoke 11
Width W and the width V of stator teeth main body 121 can be with further satisfactions: W:V=0.64-0.66.
According to some embodiments of the present invention, as shown in Figure 1, the width of each stator teeth main body 121 can phase everywhere
Deng in order to the mold design of 10 forming process of stator core, technique is simpler.
Further, with continued reference to shown in Fig. 1, stator yoke 11 can be circular annulus for Internal periphery and outer profile
The structure of shape, stator yoke 11 is simple and convenient for molding.
In addition, the width bisector of each stator teeth main body 121 can pass through the center of stator hole 102, that is to say, that
Each radially extending along stator hole 102 of stator teeth main body 121 is conducive to keep Distribution of Magnetic Field more symmetrical uniformly.
Further, shown in referring to Fig.1, in the circumferential direction of stator yoke 11, the both ends of stator tooth boots 122 can prolong respectively
It stretches beyond stator teeth main body 121, the abutting end of two neighboring stator tooth boots 122 is spaced apart or connected.Thus, it is possible to around
The winding 14 for being located at stator teeth 12 is fixed, and prevents winding 14 from being loosened by the inner end of stator teeth 12, and winding 14 is fixed more
Add reliable.
Stator core 10 according to an embodiment of the present invention can also include multiple positioning protrusion 13, and multiple positioning protrusion 13 can
With along the circumferentially-spaced outer peripheral surface for being opened in stator yoke 11 of stator yoke 11, and each positioning protrusion 13 can be along stator
Yoke portion 11 radially extends.As a result, when motor 100 is assembled, stator core 10 can pass through positioning protrusion 13 and motor
100 bracket is positioned, and motor 100 is made to assemble simpler convenience and accurate positioning.
It should be noted that the present invention quantity of positioning protrusion 13 and setting position are not done it is specifically limited, for example, such as
In specific embodiment shown in FIG. 1, the quantity of positioning protrusion 13 is equal with the quantity of stator teeth 12, and positioning protrusion 13 with
The outer peripheral surface of stator yoke 11 is arranged in 12 position of stator teeth correspondingly, convenient for stator core 10 mold design and at
Type.In some unshowned embodiments of the invention, the quantity of positioning protrusion 13 and position can also be with stator teeths 12 not
It corresponds, it is only necessary to it is fixed to stator core 10 to realize to meet the outer peripheral surface spaced apart set on stator yoke 11 of positioning protrusion 13
The requirement of position.
Motor 100 according to an embodiment of the present invention for food processor 200 may include: according to embodiments of the present invention
The stator core 10 and rotor core 20 for food processor 200.
Specifically, rotor core 20 can be located in stator hole 102, and rotor core 20 can be with stator hole 102
Coaxially.Rotor core 20 can be rotated about axis in stator hole 102, and the inner circumferential with stator hole 102 of rotor core 20
Preset distance can be spaced apart between face, so that the rotation of rotor core 20 is more smooth.
As a result, after 14 circulating current of winding of motor 100, multiple stator teeths 12 can be made to form multipair magnetic pole, stator hole
Magnetic field is generated in 102, the rotor core 20 in stator hole 102 can be rotated about axis under the influence of a magnetic field, to realize
The conversion and output of electric energy.
Since the stator core 10 according to an embodiment of the present invention for food processor 200 has above-mentioned beneficial technology
Effect, therefore motor 100 magnetic flux density according to an embodiment of the present invention for food processor 200 distributes more reasonable, temperature rise
It is more balanced, be conducive to improve service life and safety.
Further, as depicted in figs. 1 and 2, the maximum radial dimension of stator yoke 11 is D, the maximum of rotor core 20
Radial dimension is d.For etc. shapes stator core 10, i.e. the timing of maximum radial dimension D mono- of stator yoke 11, when d/D mistake
Hour, the maximum radial dimension d of rotor core 20 is too small, if 100 low speed of motor is run, for example, the revolving speed < of motor 100
The load capacity of 5000rpm, rotor core 20 are too small, drive under the operating condition loaded on an equal basis, maximum radial dimension d too small rotor
Iron core 20 can seriously generate heat, and influence the normal operation of motor 100, reduce by 100 efficiency of motor, in some instances it may even be possible to be damaged.
When d/D is excessive, the cogging torque that will lead to motor 100 becomes larger, and the rotary inertia of rotor core 20 becomes larger, if
100 high-speed cruising of motor, for example, motor 100 can generate vibration, and then generate larger when the revolving speed > 10000rpm of motor 100
Noise, influence the use feeling of motor 100 performance and user.
Therefore, in some embodiments of the invention, the maximum radial dimension D Yu rotor core 20 of stator yoke 11 be most
Big radial dimension d can satisfy 0.4≤d/D≤0.55, and the power output of the rotor core 20 of motor 100, motor 100 can be improved
It is more efficient, prevent rotor core 20 generate heat, it is safer, and the maximum radial dimension d of rotor core 20 can be done it is small,
The inertia that rotor core 20 generates when eliminating high-speed rotation, prevents motor 100 from generating biggish vibrating noise.For example, at this
In some specific embodiments of invention, the maximum radial dimension d's of the maximum radial dimension D and rotor core 20 of stator yoke 11
Ratio d/D can be respectively 0.45,0.48,0.51 and 0.54 etc..
In addition, it is necessary to explanation, in some embodiments of the invention, the foreign steamer of stator core 10 and rotor core 20
Exterior feature is circle, then maximum radial dimension refers to the diameter of the rounded outer profiles of stator core 10 and rotor core 20.And in the present invention
Other embodiments in, the outer profile of stator core 10 and rotor core 20 be not it is round, then maximum radial dimension can manage
Solution is the size of the maximum position of radial dimension for crossing axis of the outer profile of stator core 10 and rotor core 20.
According to some embodiments of the present invention, as shown in Figure 1-Figure 3, multiple magnet slots can be equipped in rotor core 20
23, multiple magnet slots 23 can be along the circumferentially spaced setting of rotor core 20, and the both ends of magnet slot 23 can prolong respectively
The axial ends of rotor core 20 is extended to, multiple permanent magnets 25 can be plugged in correspondingly in multiple magnet slots 23.
Permanent magnet 25 can extend to the axial ends of rotor core 20, the position of permanent magnet 25 in magnet slot 23 as a result,
It is reliable to set fixation, permanent magnet 25 can be effectively prevented and loosen.And multiple permanent magnets 25 can form multipair magnetic pole, to produce
Magnetisation field, and then induced electromotive force is generated, realize the conversion of electric energy.Using no setting is required the excitation of rotor core 20 of permanent magnet 25
Coil not only improves the weight for mitigating motor 100, reduces the volume of motor 100, and opens on startup without starting excitation
It is dynamic more quick, it is more energy saving.
It should be noted that the present invention quantity of magnet slot 23 and permanent magnet 25 is not done it is specifically limited, it is only necessary to meet
Multiple permanent magnets 25 are plugged in multiple magnet slots 23 correspondingly to realize the fixation of permanent magnet 25 and form multiple magnetic poles
Requirement.For example, magnet slot 23 and permanent magnet 25 are respectively four in specific embodiment as shown in Figures 2 and 3,
Four permanent magnets 25 are plugged in respectively in four magnet slots 23.For another example in other embodiments of the invention, magnet slot 23
With permanent magnet 25 can also be respectively two, six, eight or more, this is all within protection scope of the present invention.
In addition, at least one end of each magnet slot 23 in the circumferential direction of rotor core 20 can be equipped with locating slot 24, permanent magnetism
Locating slot 24 can be inserted while being inserted into magnet slot 23 in body 25, and locating slot 24 can further limit the position of permanent magnet 25
It sets, keeps 25 position of permanent magnet fixed more accurate secured.
Further, as shown in Figures 2 and 3, the straight line at both ends of each magnet slot 23 in the circumferential direction of rotor core 20
Distance is b, and the maximum radial distance of the outer peripheral surface of the centre distance rotor core 20 of rotor core 20 is R, and b and R meets
B:R=0.95-1.0.
As b:R < 0.95, the length of permanent magnet 25 is too short in magnet slot 23, reduces the utilization rate of rotor core 20, from
And reduce the efficiency of motor 100；As b:R > 1, the leakage field of rotor core 20 will increase, can also reduce the energy of motor 100
Effect.Therefore, in some embodiments of the invention, when b:R=0.95-1.0, for example, in some specific embodiments of the present invention
In, b:R can be respectively 0.95,0.96,0.97,0.98,0.99 and 1.0 etc., and the efficiency of motor 100 has been effectively ensured.
According to some embodiments of the present invention, as shown in Figures 2 and 3, magnet slot 23 and the outer peripheral surface of rotor core 20
Minimum range is a1, and the minimum range of the outer peripheral surface of stator slot 24 and rotor core 20 is a2, permanent magnet 25 and rotor core 20
The minimum range of outer peripheral surface can be understood as lesser one value in a1 and a2, i.e. min (a1, a2).Min (a1, a2)
When too small, the mechanical strength of rotor core 20 can be made to reduce, to reduce the reliability of rotor core 20；And min (a1, a2)
When excessive, the leakage field of rotor core 20 will increase, thereby reduce the efficiency of motor 100.
Therefore, in some embodiments of the invention, min (a1, a2)=0.8mm-1.8mm, while ensure that rotor iron
The mechanical strength and efficiency of core 20.For example, in some embodiments of the invention, min (a1, a2) can be respectively
0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm and 1.8mm etc..
In addition, the present invention shape of magnet slot 23 is not done it is specifically limited, it is only necessary to meet the length direction of magnet slot 23
Bisector by rotor core 20 center requirement, the Distribution of Magnetic Field for generating permanent magnet 25 in magnet slot 23 is more
Uniformly.For example, in the example shown in fig. 2, magnet slot 23 is the straight-line groove of strip, string of the straight-line groove along rotor core 20
Line direction extends, and the distance b at the both ends of straight-line groove is the development length of straight-line groove.In example as shown in Figure 3, magnet slot
23 be the arc groove of strip, and for arc groove along the circumferentially extending of rotor core 20, the distance b at the both ends of arc groove is arc groove
Chord length.
In some embodiments of the invention, as shown in Figures 2 and 3, the outer periphery of rotor core 20 could be formed with more
A pole tooth 21, multiple pole teeth 21 along the circumferentially distributed of rotor core 20 and can outwardly protrude, shape between two neighboring pole tooth 21
At there is tooth socket 22, also, in the embodiment with multiple magnet slots 23, magnet slot 23 can be set correspondingly with pole tooth 21
It sets.At this point, rotor core 20 is formed as salient-pole structure rotor, and compared with the rotor of wholecircle shape in the related technology, salient-pole structure
Rotor can prevent the leakage field and slot effect of rotor interpolar, to improve the efficiency of rotor core 20.
In addition, it is necessary to explanation, for the rotor core 20 with multiple pole teeth 21, the maximum outside diameter of rotor core 20
Size d refers to that the line of tooth top crosses the connection line size of the tooth top of two pole teeth 21 of the axis of rotor core 20.
Further, with continued reference to shown in Fig. 2 and Fig. 3, the normal profile of pole tooth 21 can be formed as arc-shaped, rotor iron
The outer periphery of the shaft section of core 20 can be formed by multiple arc-shaped are sequentially connected, and two neighboring arc-shaped junction is formed with
Tooth socket 22.
In addition, as shown in Figures 2 and 3, using the center of rotor core 20 as the center of circle and the circle tangent with the tooth top of pole tooth 21
Radius be R (at this point, R=0.5d), it is tangent with the slot bottom of tooth socket 22 and using the center of rotor core 20 as the half of the circle in the center of circle
Diameter is r.If r:R < 0.96, the circumferential development length along rotor core 20 that will lead to pole tooth 21 is too short, reduces motor 100
Performance；If r:R > 0.98, it is too small to will lead to tooth socket 22, and when motor 100 is run, it is corresponding and produce that tooth socket cannot be effectively reduced
Raw noise jamming.Therefore, in some embodiments of the invention, r:R=0.96-0.98, for example, in some tools of the invention
In body embodiment, r:R can be respectively 0.96,0.97 and 0.98 etc., effectively reduce slot effect, while ensure that motor
100 efficiency.
Motor 100 according to an embodiment of the present invention for food processor 200 can be frequency conversion brushless motor, according to food
The difference of food species to be processed needed for product cooking machine 200, frequency conversion brushless motor can provide different revolving speeds, torque and
Time etc. keeps the food processor 200 with motor 100 intelligent.In addition, frequency conversion brushless motor is carried out without structures such as carbon brush
Carbon brush abrasion is not present in commutation, and operation noise is lower, is conducive to the service life for improving food processor 200 and improves user
Use feeling.
As shown in figure 4, food processor 200 according to an embodiment of the present invention may include: cooking container 210, at food
Manage part (not shown) and the motor 100 according to an embodiment of the present invention for food processor 200.
Specifically, could be formed with the food accommodating chamber for holding food in cooking container 210, Food processing part can
To be sequentially connected with motor 100, and Food processing part can protrude into food accommodating chamber.Food processing part can be as a result,
It rotates, and then the food in food accommodating chamber can be handled relative to cooking machine container 210 under the drive of motor 100.
Since the motor 100 according to an embodiment of the present invention for food processor 200 has above-mentioned beneficial technology effect
Fruit, therefore the distribution of 200 magnetic flux density of food processor according to an embodiment of the present invention is more reasonable, temperature rise is more balanced, is conducive to
It improves service life and safety.
Further, food processor 200 can also include base 220, and cooking container 210 can be cup body component, cup
Body component is detachably arranged at base 220, in order to pick and place food and clean to cup body component.Motor 100 can be installed
In base 220, Food processing part can be the knife assembly being connected with cup body component, when cup body component is set to base 220, motor
100 can be sequentially connected with knife assembly, and motor 100 can drive knife assembly to rotate relative to cup body component as a result, so that knife group
Part can carry out food the processing such as cutting.
With continued reference to shown in Fig. 4, food processor 200 can also include: electric-control system 230 and display component 240.Its
In, electric-control system 230 includes electric-controlled plate, and electric-controlled plate can be installed on base 220, and electric-controlled plate can be electrically connected with motor 100
It connects to control the work of motor 100.
Display component 240 can also be installed on base 220, and display component 240 can be electrically connected with electric-control system 230
It connects, display component 240 is made to be displayed for the working condition of food processor 200.In further embodiment of the invention
In, it can have operation button on display component 240, user can control electric-control system 230 by operation button, and then control
The operating mode of food processor 200 and state etc., it is more convenient to use.
Optionally, in the present invention, food processor 200 can for blender, wall-breaking machine, Normal juice machine, juice extractor or
Soy bean milk making machine etc..Blender revolving speed is higher, food can be made to mix by high-speed stirred more uniform；Wall-breaking machine revolving speed is high, can be with
For handling harder food, and it can will be present in the element of a large amount of plants at pericarp, fruit stone and rhizome in food sufficiently
Broken wall release；Normal juice machine revolving speed is lower, is squeezed push type, handles food by way of less flexible extraction；Juice extractor revolving speed compared with
Being pulverized and mixed for a greater variety of foods may be implemented in height；Soy bean milk making machine revolving speed is higher, and preheating, mashing, mashing off may be implemented and prolong
When the functions such as infusion process full-automation.Motor 100 according to an embodiment of the present invention can be applied to a greater variety of product contents
Reason machine 200, meets more use demands, and practicability is stronger.
Other of food processor 200 according to an embodiment of the present invention, motor 100 and stator core 10 are constituted and operation
Be for those of ordinary skill in the art it is known, be not described in detail herein.
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
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
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.
In the description of this specification, the description of reference term " embodiment ", " specific embodiment ", " example " etc. means to tie
It closes the embodiment or example particular features, structures, materials, or characteristics described and is contained at least one embodiment of the present invention
Or in example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.And
And particular features, structures, materials, or characteristics described can not done in any one or more of the embodiments or examples
It relates to, can be combined with each other in an appropriate manner in reconcilable situation.
Claims (19)
1. a kind of stator core for food processor characterized by comprising
The stator yoke of annular, the width of the stator yoke is W and the width of the stator yoke is equal everywhere；
Multiple stator teeths, multiple stator teeths are set to the inner peripheral surface of the stator yoke, the two neighboring stator tooth
Stator tooth socket is formed between portion, multiple stator teeths limit the stator hole coaxial with the stator yoke, Mei Gesuo
Stating stator teeth includes the stator teeth main body being connected with the stator yoke and the inner end for being located at the stator teeth main body
Stator tooth boots, the width of each stator teeth main body are V, wherein W:V=0.6-0.7.
2. the stator core according to claim 1 for food processor, which is characterized in that W and V further satisfaction:
W:V=0.64-0.66.
3. the stator core according to claim 1 for food processor, which is characterized in that each stator teeth
The width of main body is equal everywhere.
4. the stator core according to claim 3 for food processor, which is characterized in that the stator yoke is interior
Profile and outer profile are circular circular ring shape.
5. the stator core according to claim 3 for food processor, which is characterized in that in the stator yoke
In circumferential direction, the both ends of the stator tooth boots are each extended over beyond the stator teeth main body, the two neighboring stator tooth boots
Abutting end is spaced apart or connected.
6. the stator core according to claim 1 for food processor, which is characterized in that further include:
Multiple positioning protrusion, multiple positioning protrusion are opened in the stator yoke along the circumferentially-spaced of the stator yoke
Outer peripheral surface, each positioning protrusion radially extending along the stator yoke.
7. a kind of motor for food processor characterized by comprising
Stator core according to claim 1 to 6 for food processor；
Rotor core, the rotor core are rotatably arranged in the stator hole and coaxial with the stator hole.
8. the motor according to claim 7 for food processor, which is characterized in that the maximum diameter of the stator yoke
It is d to the maximum radial dimension having a size of D, the rotor core, wherein D and d meets: 0.4≤d/D≤0.55.
9. the motor according to claim 7 for food processor, which is characterized in that be equipped with edge in the rotor core
Its circumferentially spaced setting and multiple magnet slots for plugging permanent magnet, the both ends of the magnet slot extend respectively to described turn
The axial ends of sub- iron core, at least one end of each magnet slot in the circumferential direction of the rotor core are equipped with for described
The locating slot that permanent magnet is positioned.
10. the motor according to claim 9 for food processor, which is characterized in that each magnet slot is in institute
The linear distance at the both ends in the circumferential direction of rotor core is stated for b, outside rotor core described in the centre distance of the rotor core
The maximum radial distance of circumferential surface is R, wherein b:R=0.95-1.0.
11. the motor according to claim 9 for food processor, which is characterized in that described in the magnet slot distance
The minimum range of the outer peripheral surface of rotor core is a1, and the minimum range of outer peripheral surface of the locating slot apart from the rotor core is
A2, wherein min (a1, a2)=0.8mm-1.8mm.
12. being used for the motor of food processor according to any one of claim 9-11, which is characterized in that the magnet
Slot is the arc groove or straight-line groove of strip and the bisector of the length direction of the magnet slot is by the rotor core
The heart.
13. the motor according to claim 7 for food processor, which is characterized in that the periphery of the rotor core
Along being formed with multiple tooth socket is formed between the pole tooth that its is circumferentially distributed and outwardly protrudes, the two neighboring pole tooth.
14. the motor according to claim 13 for food processor, which is characterized in that the normal profile of the pole tooth
Be formed as arc-shaped, by the center of circle of the center of the rotor core and with the tooth top of the pole tooth, the radius of tangent circle is R, with
The slot bottom of the tooth socket is tangent and is r by the radius of the circle in the center of circle of the center of the rotor core, wherein r:R=0.96-
0.98。
15. the motor according to claim 7 for food processor, which is characterized in that the motor is frequency conversion brushless
Motor.
16. a kind of food processor characterized by comprising
Container is arranged, the food accommodating chamber for holding food is formed in the cooking container；
The motor of food processor is used for according to any one of claim 7-15；
Food processing part for being handled food, the Food processing part protrude into the food accommodating chamber and described
It is rotated under the drive of motor relative to the cooking container.
17. food processor according to claim 16, which is characterized in that further include:
Base, the cooking container is the cup body component for being detachably arranged at the base, and the motor is installed on the base,
The Food processing part is the knife assembly being connected with the cup body component, and the motor is set to the base in the cup body component
When with the knife assembly transmission connection to drive the knife assembly to rotate relative to the cup body component.
18. food processor according to claim 17, which is characterized in that further include:
Electric-control system, the electric-control system include electric-controlled plate, and the electric-controlled plate is installed on the base and is electrically connected with the motor
It connects to control the motor work；
For showing the display component of the working condition of the food processor, the display component be installed on the base and with
The electric-control system electrical connection.
19. food processor according to claim 16, which is characterized in that the food processor is blender, broken wall
Machine, Normal juice machine, juice extractor or soy bean milk making machine.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187842.0A CN110247484A (en) | 2018-03-07 | 2018-03-07 | Food processor and stator core, motor for food processor |
| EP18908712.5A EP3731374A4 (en) | 2018-03-07 | 2018-08-03 | Food processor and electric motor for food processor |
| JP2020540417A JP7070975B2 (en) | 2018-03-07 | 2018-08-03 | Motors for food cookers and food cookers |
| US16/968,876 US11936259B2 (en) | 2018-03-07 | 2018-08-03 | Food processor and electric motor for food processor |
| KR1020207019898A KR102434245B1 (en) | 2018-03-07 | 2018-08-03 | Motors used in food cookers and food cookers |
| PCT/CN2018/098625 WO2019169828A1 (en) | 2018-03-07 | 2018-08-03 | Food processor and electric motor for food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187842.0A CN110247484A (en) | 2018-03-07 | 2018-03-07 | Food processor and stator core, motor for food processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110247484A true CN110247484A (en) | 2019-09-17 |
Family
ID=67882554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810187842.0A Pending CN110247484A (en) | 2018-03-07 | 2018-03-07 | Food processor and stator core, motor for food processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110247484A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493612A (en) * | 2020-04-09 | 2020-08-07 | 段鹏 | Granule cup capable of automatically stirring |
| US11612865B1 (en) | 2022-05-13 | 2023-03-28 | Sharkninja Operating Llc | Agitator for a carbonation system |
| US11634314B1 (en) | 2022-11-17 | 2023-04-25 | Sharkninja Operating Llc | Dosing accuracy |
| US11647860B1 (en) | 2022-05-13 | 2023-05-16 | Sharkninja Operating Llc | Flavored beverage carbonation system |
| US11738988B1 (en) | 2022-11-17 | 2023-08-29 | Sharkninja Operating Llc | Ingredient container valve control |
| US11745996B1 (en) | 2022-11-17 | 2023-09-05 | Sharkninja Operating Llc | Ingredient containers for use with beverage dispensers |
| US11751585B1 (en) | 2022-05-13 | 2023-09-12 | Sharkninja Operating Llc | Flavored beverage carbonation system |
| US11871867B1 (en) | 2023-03-22 | 2024-01-16 | Sharkninja Operating Llc | Additive container with bottom cover |
| US11925287B1 (en) | 2023-03-22 | 2024-03-12 | Sharkninja Operating Llc | Additive container with inlet tube |
| US11931704B1 (en) | 2023-06-16 | 2024-03-19 | Sharkninja Operating Llc | Carbonation chamber |
| US12005404B2 (en) | 2022-08-22 | 2024-06-11 | Sharkninja Operating Llc | Beverage carbonation system flow control |
| US12005408B1 (en) | 2023-04-14 | 2024-06-11 | Sharkninja Operating Llc | Mixing funnel |
| US12017192B1 (en) | 2023-06-16 | 2024-06-25 | Sharkninja Operating Llc | Carbonation mixing nozzles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111493612A (en) * | 2020-04-09 | 2020-08-07 | 段鹏 | Granule cup capable of automatically stirring |
| US11751585B1 (en) | 2022-05-13 | 2023-09-12 | Sharkninja Operating Llc | Flavored beverage carbonation system |
| US11647860B1 (en) | 2022-05-13 | 2023-05-16 | Sharkninja Operating Llc | Flavored beverage carbonation system |
| US11612865B1 (en) | 2022-05-13 | 2023-03-28 | Sharkninja Operating Llc | Agitator for a carbonation system |
| US12005404B2 (en) | 2022-08-22 | 2024-06-11 | Sharkninja Operating Llc | Beverage carbonation system flow control |
| US11634314B1 (en) | 2022-11-17 | 2023-04-25 | Sharkninja Operating Llc | Dosing accuracy |
| US11738988B1 (en) | 2022-11-17 | 2023-08-29 | Sharkninja Operating Llc | Ingredient container valve control |
| US11745996B1 (en) | 2022-11-17 | 2023-09-05 | Sharkninja Operating Llc | Ingredient containers for use with beverage dispensers |
| US12006202B1 (en) | 2022-11-17 | 2024-06-11 | Sharkninja Operating Llc | Ingredient container valve control |
| US11871867B1 (en) | 2023-03-22 | 2024-01-16 | Sharkninja Operating Llc | Additive container with bottom cover |
| US11925287B1 (en) | 2023-03-22 | 2024-03-12 | Sharkninja Operating Llc | Additive container with inlet tube |
| US12005408B1 (en) | 2023-04-14 | 2024-06-11 | Sharkninja Operating Llc | Mixing funnel |
| US11931704B1 (en) | 2023-06-16 | 2024-03-19 | Sharkninja Operating Llc | Carbonation chamber |
| US12017192B1 (en) | 2023-06-16 | 2024-06-25 | Sharkninja Operating Llc | Carbonation mixing nozzles |
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Application publication date: 20190917 |