CN208353101U - Magneto, compressor and air conditioner - Google Patents
Magneto, compressor and air conditioner Download PDFInfo
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- CN208353101U CN208353101U CN201821213287.6U CN201821213287U CN208353101U CN 208353101 U CN208353101 U CN 208353101U CN 201821213287 U CN201821213287 U CN 201821213287U CN 208353101 U CN208353101 U CN 208353101U
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Abstract
The utility model discloses a kind of magneto, compressor and air conditioners, magneto includes stator and rotor, stator includes stator core and stator winding, stator core includes multiple stator tooths, multiple stator tooths along stator core circumferentially, stator slot is limited between two neighboring stator tooth, stator winding winding is on the stator teeth, rotor and stator internal and external partition are arranged, rotor includes rotor core and is embedded the permanent magnet on rotor core, and the maximum distance between the cross-sectional circumference profile of rotor and the cross-section center of rotor is D1, the axial length of rotor core is L, and the rated power of magneto is P, D1, L, P meet: D1/ L >=1.7 and P/ (D1 2× L) >=8.5, wherein the unit of P is W, D1, L unit be cm.Magneto according to the present utility model, power density and operational efficiency with higher, while it being easy to implement Miniaturization Design, reduce cost.
Description
Technical field
The utility model relates to living electric apparatus technical fields, more particularly, to a kind of magneto, compressor and air conditioner.
Background technique
In compressor industry, power density highest, the efficiency highest of rare-earth permanent-magnet electric machine.However, in the related technology, permanent magnetism
The promotion of the power density and efficiency of motor is restricted.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model
One purpose is to propose a kind of magneto, magneto power density with higher and operational efficiency, while just
In realizing Miniaturization Design, cost is reduced.
Another purpose of the utility model is to propose the compressor of magneto.
The further object of the utility model is to propose a kind of air conditioner with above-mentioned compressor.
According to the magneto of the utility model first aspect embodiment, comprising: stator, the stator include stator core
And stator winding, the stator core include multiple stator tooths, multiple stator tooths along the stator core circumferentially,
Stator slot is limited between the two neighboring stator tooth, the stator winding is wound around on the stator tooth；Rotor, described turn
Sub to be arranged with the stator internal and external partition, the rotor includes rotor core and the permanent magnet that is embedded on the rotor core,
Maximum distance between the cross-sectional circumference profile of the rotor and the cross-section center of the rotor is D1, the rotor core
Axial length be L, the rated power of the magneto is P, the D1, L, P meet: D1/ L >=1.7 and P/ (D1 2×L)
>=8.5, wherein the unit of the P is W, the D1, L unit be cm.
According to the magneto of the utility model embodiment, by by the transversal of the cross-sectional circumference profile of rotor and rotor
Maximum distance D between the center of face1, rotor core 21 axial length L, the rated power P of magneto is set as meeting: D1/
L >=1.7 and P/ (D1 2× L) >=8.5, the flattening design of rotor is realized, the power density for promoting magneto is conducive to,
The high efficiency for realizing magneto, while reducing the volume of magneto, is easy to implement the miniaturization of magneto, reduce at
This.
Some embodiments according to the present utility model, the stator are set in the outside of the rotor, the cross of the stator
Maximum distance between cross sectional periphery profile and the cross-section center of the stator is D2, the D2Meet: D2/ L >=3, wherein institute
State D2Unit be cm.
Some embodiments according to the present utility model, the stator winding are centralized winding, and the stator winding is led
Body is copper conductor.
Some embodiments according to the present utility model, the number of poles of the rotor are Q, and the Q meets: Q >=8.
Some embodiments according to the present utility model, when the stator slot is 9, the Q meets: Q=8 or Q=
10。
Some embodiments according to the present utility model, the permanent magnet are made of sintered NdFeB.
Some embodiments according to the present utility model, the stator tooth include the yoke being arranged radially along the stator core
Portion and teeth portion, the stator winding are wound around in the teeth portion, weld phase between the yoke portion of the two neighboring stator tooth
It is connected even or pivotly.
Some embodiments according to the present utility model, the axial ends of the rotor are respectively equipped with end plate, described in limiting
For permanent magnet along the axial movement of the rotor core, the end plate is un-conducted magnetic material part.
It is real according to the compressor of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model
Apply the magneto of example.
The fortune of compressor is improved by using above-mentioned magneto according to the compressor of the utility model embodiment
Row power, while the Miniaturization Design of compressor may be implemented, save the occupied space of compressor.
It is real according to the air conditioner of the utility model third aspect embodiment, including according to the above-mentioned second aspect of the utility model
Apply the compressor of example.
According to the air conditioner of the utility model embodiment, by using above-mentioned compressor, improve the refrigeration of air conditioner/
Heating efficiency, while saving the occupied space of air conditioner.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the partial structural diagram according to the magneto of the utility model embodiment；
Fig. 2 is the cross-sectional view of magneto shown in Fig. 1；
Fig. 3 is the cross-sectional view of rotor shown in Fig. 2；
Fig. 4 is power-volume relationship of the magneto and traditional technology magneto according to the utility model embodiment
Schematic diagram；
Fig. 5 is another partial structural diagram of magneto shown in Fig. 1；
Fig. 6 is another partial structural diagram of magneto shown in Fig. 1；
Fig. 7 is the cross-sectional view according to the compressor of the utility model embodiment.
Appended drawing reference:
Compressor 200, casing 101, air inlet 101a, gas outlet 101b, crankshaft 102, compression mechanical part 103,
Cylinder 103a, base bearing 103b, supplementary bearing 103c, piston 103d, balance weight 104,
Magneto 100, magneto central axis 100a,
Stator 1, stator core 11, stator winding 12,
Stator slot 110, stator tooth 111, yoke portion 111a, teeth portion 111b,
Rotor 2, rotor core 21, permanent magnet trough 21a, permanent magnet 22,
End plate 3,
Insulating end plate 4, mounting post 41, guide part 411, insulating part 5.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to Fig. 1-Fig. 6 description according to the magneto 100 of the utility model first aspect embodiment.
As shown in figs 1 to 6, according to the magneto of the utility model embodiment 100, including stator 1 and rotor 2.
Stator 1 includes stator core 11 and stator winding 12, and stator core 11 includes multiple stator tooths 111, multiple stators
Tooth 111 circumferentially, limits stator slot 110 along stator core 11 between two neighboring stator tooth 111, stator winding 12 around
It is located on stator tooth 111.Rotor 2 and 1 internal and external partition of stator are arranged, and rotor 2 includes rotor core 21 and is embedded in rotor core
Permanent magnet 22 on 21, the maximum distance between the cross-sectional circumference profile of rotor 2 and the cross-section center of rotor 2 are D1, turn
The axial length of sub- iron core 21 is L, and the rated power of magneto 100 is P, D1, L, P meet: D1/ L >=1.7 and P/ (D1 2×
L) >=8.5, wherein the unit of the P is W (watt), the D1, L unit be cm (centimetre).
For example, as Figure 1-Figure 4, multiple stator tooths 111 can successively join end to end along the axial direction of stator core 11, it is fixed
Sub- winding 12 is located in stator slot 110；It is could be formed on rotor core 21 along the circumferentially spaced more of rotor core 21
A permanent magnet trough 21a, each permanent magnet trough 21a can along the both ends end face for axially penetrating through rotor core 21 of rotor core 21,
Multiple permanent magnets 22, which can correspond to, to be embedded in multiple permanent magnet trough 21a, so that each permanent magnet trough 21a is embedded at least one
To form a magnetic pole after permanent magnet 22.
The cross section outer profile of rotor core 21 can be generally formed into circle, and the cross-section center of rotor 2 can be upper
State the circular center of circle, D1It can be the maximum gauge of the cross section outer profile of rotor core 21, D1It is long with the axial direction of rotor core 21
Meet D between degree L1/ L >=1.7 (" 1.7 " are dimensionless factor), to a certain extent, improve the flattening degree of rotor 2,
The flattening design for realizing rotor 2, is conducive to the power density for promoting magneto 100, to realize magneto 100
High efficiency.However, due to D1/ L >=1.7 are not easy to realize the Miniaturization Design of magneto 100 to a certain extent, lead to
It crosses and is set as the rated power P of magneto 100 to meet P/ (D1 2× L) >=8.5 (unit of " 8.5 " be W/cm3), so that
Under the premise of identical rated power, the small volume of the rotor 2 of the application, to reduce the volume of magneto 100, phase
Can be reduced by about 10%, and then guaranteed for the magneto 100 of traditional technology, the volume of the magneto 100 of the application
Under the premise of 100 efficient operation of magneto, the Miniaturization Design of magneto 100 is realized, reduces magneto 100
Cost is especially reduction of the material cost of magneto 100.
Wherein, for a magneto 100, rated power P and (D1 2× L) ratio can be fixed for one
Value；When " rated power P " can refer to that magneto 100 is applied to compressor 200, compressor 200 is applied to air conditioner, air conditioner
Under specified cooling condition, the input power of magneto 100；The meaning of " plurality " is two or more.
According to the magneto 100 of the utility model embodiment, by by the cross-sectional circumference profile of rotor 2 and rotor 2
Cross-section center between maximum distance D1, rotor core 21 axial length L, magneto 100 rated power P setting
To meet: D1/ L >=1.7 and P/ (D1 2× L) >=8.5, the flattening design of rotor 2 is realized, is conducive to promote magneto
100 power density, realizes the high efficiency of magneto 100, while reducing the volume of magneto 100, is easy to implement forever
The miniaturization of magneto 100, reduces cost.
Optionally, as depicted in figs. 1 and 2, stator 1 is set in the outside of rotor 2, and magneto 100 is internal rotor at this time
Motor, the maximum distance between the cross-sectional circumference profile of stator 1 and the cross-section center of stator 1 are D2, D2Meet: D2/L≥3
(" 3 " are dimensionless factor), wherein the D2Unit be cm, thus to a certain extent, improve the flattening journey of stator 1
Degree realizes the flattening design of stator 1, is conducive to the power density for further promoting magneto 100, realizes magneto
100 efficient operation.Wherein, the axial length of stator core 11 can be roughly equal with the axial length L of rotor core 21,
That is the axial length of stator core 11 is equal with the axial length L of rotor core 21 or the axial of stator core 11 is grown
There are difference and difference very littles for the axial length L of degree and rotor core 21.
It is understood that rotor 2 can be set in outside stator 1, magneto 100 is external rotor electric machine at this time.
Specifically, stator winding 12 is centralized winding, and centralized winding can be applied to salient pole type stator 1, generally about
Be made square coil, warp band wrapping sizing, then after paint-dipping drying is handled, winding on the stator 1, to reduce stator 1
Processing cost, while the Miniaturization Design demand for the magneto 100 that is content with very little, and the tip lengths of centralized winding compared with
It is short, it can reduce the resistance of magneto 100, guarantee the efficiency of magneto 100.Wherein, the conductor of stator winding 12 is copper
Conducting wire, copper conductor has good electric conductivity and mechanical property, easy to process.
Optionally, the number of poles of rotor 2 is Q, and Q meets: the rotor 2 of 4 or 6 magnetic poles being arranged in Q >=8, with traditional technology
It compares, due to increasing pole number, so that the power density of magneto 100 is able to further effectively be promoted, reduces simultaneously
The copper loss of magneto 100, is conducive to the high efficiency for further realizing magneto 100, and can reduce the knot of rotor 2
Structure size, convenient for further realizing the miniaturization of magneto 100.
Still optionally further, the number of poles Q of rotor 2 meets: 8≤Q≤14, to avoid since the number of poles of rotor 2 is excessive, makes
The iron loss for obtaining magneto 100 obviously rises, and leads to the promotion for inhibiting the efficiency of magneto 100 to a certain extent, from
And it ensure that the performance of magneto 100.
Specifically, when stator slot 110 is 9, Q meets: Q=8 or Q=10, that is to say, that stator slot 110 is 9
A, rotor 2 number of poles Q is or stator slot 110 is 9, and the number of poles Q of rotor 2 was 10 (for example, as shown in Figure 1).
Certainly, the quantity of stator slot 110 and 2 number of poles of rotor setting can also be other forms.For example, stator slot 110 is
12, the number of poles Q of rotor 2 is 14；Alternatively, stator slot 110 is 12, the number of poles Q of rotor 2 is 10.But not limited to this.
Optionally, permanent magnet 22 is made of sintered NdFeB, so that permanent magnet 22 has excellent magnetic property, is guaranteed forever
The use reliability of magnet 22.
In some embodiments of the utility model, as shown in Figure 1, stator tooth 111 includes the radial direction along stator core 11
The yoke portion 111a and teeth portion 111b of setting, the yoke portion 111a of multiple stator tooths 111 successively join end to end to form the stator of annular
Yoke can be weldingly connected or be pivotably connected between the yoke portion 111a of two neighboring stator tooth 111, multiple stator tooths 111
Teeth portion 111b is provided at circumferentially spaced along magneto 100, and stator winding 12 can be wound around on the teeth portion 111b of stator tooth 111
To be located in stator slot 110.Wherein, when being pivotly connected between the yoke portion 111a of two neighboring stator tooth 111, adjacent two
Circumferential one end of the yoke portion 111a of one of them in a stator tooth 111 can be equipped with pivot protrusion, two neighboring stator tooth 111
In circumferential one end of another yoke portion 111a could be formed with pivot openings, pivot protrusion can be opened with corresponding matching in pivot
In mouthful, allow in two neighboring stator tooth 111 it is above-mentioned one of them in a certain range around the central axis of pivot openings
Line is promoted relative to above-mentioned one of rotation in two neighboring stator tooth 111 in order to the quick assembling of stator core 11
The packaging efficiency of stator 1.
Specifically, the axial ends of rotor 2 is respectively equipped with end plate 3, to limit permanent magnet 22 along the axial direction of rotor core 21
Mobile, end plate 3 is un-conducted magnetic material part.For example, end plate 3 is two, and each end plate 3 can be equal in the example of Fig. 2 and Fig. 3
Be formed as plate structure, end plate 3 can be close to the end face setting of rotor core 21, to stop the movement of permanent magnet 22, realize
The axial limiting of permanent magnet 22 avoids permanent magnet 22 from being detached from from rotor core 21, ensure that the structural stability of rotor 2.Its
In, end plate 3 is un-conducted magnetic material part, such as end plate 3 can be stainless steel part, so that end plate 3 can be with 2 leakage field of shielding rotor.
According to the compressor 200 of the utility model second aspect embodiment, including according to the above-mentioned first party of the utility model
The magneto 100 of face embodiment.Wherein, compressor 200 can be applied to household electrical appliance, such as air conditioner；Compressor 200 can
Think vertical compressor 200；Compressor 200 can be single cylinder compressor 200 or multicylinder compressor 200.But not limited to this.
For example, as shown in fig. 7, compressor 200 can be single cylinder compressor 200 and compressor 200 can be rotatably to press
Contracting machine 200, compressor 200 can also include casing 101, crankshaft 102 and compression mechanical part 103, crankshaft 102, compression mechanical part
103 and magneto 100 be each provided in casing 101, the top of casing 101 could be formed with gas outlet 101b, the week of casing 101
It could be formed with air inlet 101a on wall, crankshaft 102 is threaded through on magneto 100 and compression mechanical part 103, thus Permanent Magnet and Electric
Machine 100 run when, rotor 1 rotation with by crankshaft 102 drive compression mechanical part 103 operation with realize refrigerant sucking, pressure
Contracting and discharge；Compression mechanical part 103 includes cylinder 103a and the base bearing 103b, the supplementary bearing that are located at the both ends cylinder 103a
103c limits compression chamber in compression mechanical part 103, and could be formed in compression structure part with compression chamber be respectively communicated with into
Mouth and outlet, compression chamber is interior to be equipped with piston 103d, and the eccentric part of crankshaft 102 is threaded through in piston 103d to drive piston 103d inclined
Heart operating, import is connected to air inlet 101a so that refrigerant is flowed into compression chamber by air inlet 101a and import to be pressed
Contracting.Wherein, balance weight 104 can be set in the end of the rotor 2 of magneto 100, to realize the dynamic balancing of crankshaft 102.
Compression is improved by using above-mentioned magneto 100 according to the compressor 200 of the utility model embodiment
The operation power of machine, while the Miniaturization Design of compressor may be implemented, save the occupied space of compressor.
It is real according to the air conditioner of the utility model third aspect embodiment, including according to the above-mentioned second aspect of the utility model
Apply the compressor of example.Specifically, air conditioner may include casing, and compressor can be located in casing.Air conditioner may be implemented to make
Cold and/or heating, air conditioner can be cabinet air-conditioner, wall-hanging air conditioner, embedded type air conditioner or window air conditioner etc..
The system of air conditioner is improved by using above-mentioned compressor 200 according to the air conditioner of the utility model embodiment
Cold/heating efficiency, while saving the occupied space of air conditioner.
According to other compositions of the air conditioner of the utility model embodiment and operate for those of ordinary skill in the art
For be all it is known, be not detailed herein.
Below with reference to Fig. 1-Fig. 6 with a specific embodiment detailed description according to the Permanent Magnet and Electric of the utility model embodiment
Machine 100.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of utility model.
In the description of the present invention, it should be understood that term " center ", " transverse direction ", " length ", "upper", "lower",
The orientation or positional relationship of the instructions such as "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in figs 1 to 6, magneto 100 includes rotor 1 and stator 2, rotor 1 include rotor core 11 and ten forever
Magnet 12, the cross section outer profile of rotor core 11 are formed as round, and rotor core 11 is by multiple second electromagnetic steel plates along permanent magnetism
The axially stacked of motor 100 forms, and iron loss measured value when the second electromagnetic steel plate is magnetized into 1.5T under 50Hz frequency is no more than
2.5W/kg；Circumferentially spaced ten permanent magnet troughs 11a, Mei Geyong along rotor core 11 are formed on rotor core 11
Magnet slot 11a can be corresponded along the both ends end face for axially penetrating through rotor core 11 of rotor core 11, ten permanent magnets 12
It is embedded in ten permanent magnet trough 11a, so that ten permanent magnets 12 are embedded in rotor core 11, the number of poles Q=10 of rotor 1.
Wherein, each permanent magnet 12 is made of sintered NdFeB.
Stator 2 is set in outside rotor 1, and stator 2 includes stator core 21 and stator winding 22, and stator core 21 is by multiple the
One electromagnetic steel plate is formed along the axially stacked of magneto 100, when the first electromagnetic steel plate is magnetized into 1.5T under 50Hz frequency
Iron loss measured value is 2.3W/kg；Stator core 21 includes nine be circumferentially arranged the stator tooth 211 along magneto 100, each
Stator tooth 211 includes the yoke portion 211a being diametrically arranged and teeth portion 211b along magneto 100, and teeth portion 211b is located at yoke
The inside of portion 211a, the yoke portion 211a of multiple stator tooths 211 successively join end to end to form the stator yoke of annular, multiple stator tooths
211 teeth portion 211b being provided at circumferentially spaced along magneto 100 limits stator slot between two neighboring stator tooth 211
210, i.e. stator slot 210 is nine, and stator winding 22 is wound around on the teeth portion 211b of stator tooth 211 to be located in stator slot 210,
And stator winding 22 is centralized winding, the conductor of stator winding 22 is copper conductor.Wherein, insulating part is equipped in stator slot 210
5, the coil of stator winding 22 and stator tooth 211 are separated, realize insulation, insulating part 5 can be insulating paper.
Wherein, the maximum distance between the cross-sectional circumference profile of rotor 2 and the cross-section center of rotor 2 is D1, rotor
The axial length of iron core 21 is L, and the rated power of magneto 100 is P, the cross-sectional circumference profile of stator 1 and the cross of stator 1
Maximum distance between kernel of section is D2, D1、L、P、D2Meet: D1/L≥1.7、P/(D1 2× L) >=8.5 and D2/ L >=3, P
Unit be W, D1, L and D2Unit be cm.
Here, it should be noted that direction "outside" refers to the direction of the central axis 100a far from magneto, opposite
Direction is defined as "inner"；" axial direction of magneto 100 " is parallel with the extending direction of central axis 100a of magneto.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, the axial ends of rotor 2 is respectively equipped with end plate 3, to limit 22 edge of permanent magnet
The axial movement of rotor core 21, end plate 3 are stainless steel part；The axial ends (for example, top and bottom in Fig. 5) of stator 2
It is respectively equipped with insulating end plate 4, two insulating end plates 4 are separately mounted to the endface of the axial ends of stator core 21, each exhausted
Acies plate 4 is formed as insulation framework, and each insulating end plate 4 is equipped with circumferentially spaced multiple peaces along stator core 21
Column 41 is filled, each mounting post 41 can extend along the stator core 21 that is axially facing of stator core 21, the axis of stator core 21
Multiple mounting holes are respectively formed on the end face of both ends, each mounting hole can be by the portion end surface concave shape of stator core 21
At multiple mounting posts 41 correspond cooperation in multiple mounting holes, so that insulating end plate 4 is quick installed at stator core 21
On.
Wherein, each mounting post 41 can be formed as cylindrical structure, and the free end of each mounting post 41 can be equipped with guiding
The periphery wall in portion 411, guide part 411 forms guide surface, and guide part 411 can be formed as frustum cone structure, so that guide part 411
Axial direction of the cross-sectional area along stator core 21,21 center of separate stator core by guide part 411 one end towards guide part 411
The one end at 21 center of adjacent stator iron core be gradually reduced, allow in the installation process of insulating end plate 4, guide surface plays
Good guiding role further improves the installation effectiveness of insulating end plate 4.
According to the magneto 100 of the utility model embodiment, compared in the magneto of traditional technology, it is corresponding
D1/ L≤1.5 and P/ (D1 2× L)≤8, the power density of the magneto 100 in the application is able to further effectively be promoted, from
And the efficiency of magneto 100 is effectively improved, it is easy to implement the high efficiency of magneto 100, and can from Fig. 4
Out, in identical rated input power P0When, the corresponding (D of magneto 100 of the application1 2× L) value is compared to traditional technology
Corresponding (the D of magneto1 2× L) value is smaller, so that the magneto 100 of the application realizes forever with lesser volume
The miniaturization of magneto 100, reduces cost.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of magneto characterized by comprising
Stator, the stator include stator core and stator winding, and the stator core includes multiple stator tooths, multiple described fixed
Sub- tooth circumferentially, limits stator slot, the stator winding along the stator core between the two neighboring stator tooth
It is wound around on the stator tooth；
Rotor, the rotor and the stator internal and external partition are arranged, and the rotor includes rotor core and is embedded in the rotor
Permanent magnet on iron core, the maximum distance between the cross-sectional circumference profile of the rotor and the cross-section center of the rotor are
D1, the axial length of the rotor core is L, and the rated power of the magneto is P, the D1, L, P meet:
D1/ L >=1.7 and P/ (D1 2× L) >=8.5, wherein the unit of the P is W, the D1, L unit be cm.
2. magneto according to claim 1, which is characterized in that the stator is set in the outside of the rotor, institute
Stating the maximum distance between the cross-sectional circumference profile of stator and the cross-section center of the stator is D2, the D2Meet: D2/L
>=3, wherein the D2Unit be cm.
3. magneto according to claim 1, which is characterized in that the stator winding is centralized winding, described fixed
The conductor of sub- winding is copper conductor.
4. magneto according to claim 1, which is characterized in that the number of poles of the rotor is Q, and the Q meets: Q >=
8。
5. magneto according to claim 4, which is characterized in that when the stator slot is 9, the Q meets: Q
=8 or Q=10.
6. magneto according to claim 1, which is characterized in that the permanent magnet is made of sintered NdFeB.
7. magneto according to claim 1, which is characterized in that the stator tooth includes the diameter along the stator core
To the yoke portion of setting and teeth portion, the stator winding is wound around in the teeth portion, the yoke portion of the two neighboring stator tooth
Between be weldingly connected or be pivotly connected.
8. magneto described in any one of -7 according to claim 1, which is characterized in that the axial ends of the rotor is distinguished
Equipped with end plate, to limit the permanent magnet along the axial movement of the rotor core, the end plate is un-conducted magnetic material part.
9. a kind of compressor, which is characterized in that including magneto according to claim 1 to 8.
10. a kind of air conditioner, which is characterized in that including compressor according to claim 9.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213287.6U CN208353101U (en) | 2018-07-27 | 2018-07-27 | Magneto, compressor and air conditioner |
| KR1020207033229A KR20200143737A (en) | 2018-07-27 | 2018-11-16 | Permanent magnet motors, compressors and air conditioners |
| EP18927601.7A EP3793073A4 (en) | 2018-07-27 | 2018-11-16 | Permanent magnet motor, compressor, and air conditioner |
| JP2020564378A JP2021523671A (en) | 2018-07-27 | 2018-11-16 | Permanent magnet motors, compressors and air conditioners |
| PCT/CN2018/115876 WO2020019588A1 (en) | 2018-07-27 | 2018-11-16 | Permanent magnet motor, compressor, and air conditioner |
| US17/126,559 US20210143690A1 (en) | 2018-07-27 | 2020-12-18 | Permanent magnet motor, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213287.6U CN208353101U (en) | 2018-07-27 | 2018-07-27 | Magneto, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353101U true CN208353101U (en) | 2019-01-08 |
Family
ID=64906134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821213287.6U Active CN208353101U (en) | 2018-07-27 | 2018-07-27 | Magneto, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208353101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829740A (en) * | 2019-09-29 | 2020-02-21 | 北京精密机电控制设备研究所 | Immersion type integrated permanent magnet synchronous motor |
-
2018
- 2018-07-27 CN CN201821213287.6U patent/CN208353101U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829740A (en) * | 2019-09-29 | 2020-02-21 | 北京精密机电控制设备研究所 | Immersion type integrated permanent magnet synchronous motor |
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