CN205846884U - Magneto and there is its compressor - Google Patents
Magneto and there is its compressor Download PDFInfo
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- CN205846884U CN205846884U CN201620688923.5U CN201620688923U CN205846884U CN 205846884 U CN205846884 U CN 205846884U CN 201620688923 U CN201620688923 U CN 201620688923U CN 205846884 U CN205846884 U CN 205846884U
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Abstract
The utility model discloses a kind of magneto and have its compressor, magneto includes: rotor and stator, and rotor includes rotor core and the rotor permanent magnet being located on rotor core；Stator includes stator core and stator winding, stator winding is located on stator core, stator core includes yoke portion and multiple stator tooth, multiple stator tooths are provided at circumferentially spaced along yoke portion, limit stator slot between adjacent two stator tooths, and stator slot has notch, wherein, the width of notch is w, and the external diameter of stator is D, and the width w of notch meets with the outer diameter D of stator: 0.02≤w/D≤0.04.According to magneto of the present utility model, by the width w of notch and the outer diameter D of stator are sized to: 0.02≤w/D≤0.04, reduce the noise of magneto, decrease leakage field, improve the performance of magneto, and can ensure that effective groove area of stator slot, it is simple to and the coiling of stator winding, reduce manufacture difficulty.
Description
Technical field
This utility model relates to Compressor Technology field, especially relates to a kind of magneto and has its compressor.
Background technology
In correlation technique, the size of stator rabbet is a key index of magneto.When notch is excessive, stator is set
Effective groove area of winding reduces, the degraded performance of magneto, and noise is high simultaneously；When notch is too small, the leakage field of magneto
Increase, will also result in magneto degraded performance, make stator winding be difficult to coiling simultaneously, manufacture difficulty.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, it is of the present utility model
One purpose is to propose a kind of magneto, and the notch size of this magneto is suitable, and the noise of magneto is little and performance
High.
Another purpose of the present utility model is to propose a kind of compressor with above-mentioned magneto.
According to the magneto of this utility model first aspect, including: rotor, described rotor includes rotor core and is located at
Rotor permanent magnet on described rotor core；And stator, described stator includes stator core and stator winding, described stator winding
Being located on described stator core, described stator core includes yoke portion and multiple stator tooth, and the plurality of stator tooth is along described yoke portion
Be provided at circumferentially spaced, limit stator slot between adjacent two described stator tooths, described stator slot has notch, wherein, institute
The width stating notch is w, and the external diameter of described stator is D, and the width w of described notch meets with the outer diameter D of described stator: 0.02≤
w/D≤0.04。
According to magneto of the present utility model, by the width w of notch and the outer diameter D of stator are sized to:
0.02≤w/D≤0.04, reduces the noise of magneto, decreases leakage field, improves the performance of magneto, and can protect
Effective groove area of card stator slot, it is simple to the coiling of stator winding, reduces manufacture difficulty.
It addition, can also have the technical characteristic added as follows according to magneto of the present utility model:
According to embodiments more of the present utility model, the outer diameter D of described stator meets: 0mm ＜ D≤65mm.
Alternatively, described stator winding is centralized stator winding.
Specifically, described stator winding is directly wound on described stator tooth.
Further, the inwall of described stator slot is coated with insulating barrier.
Specifically, after coating described insulating barrier, the width of described notch is w1, described w1Meet: w1≥0.8w。
According to embodiments more of the present utility model, described stator is located at outside described rotor.
Specifically, described rotor permanent magnet is magnet ring structure, and described rotor core is located at the radial direction of described rotor permanent magnet
Inner side.
Alternatively, described rotor permanent magnet is Agglutinate neodymium-iron-boron part.
According to the compressor of this utility model second aspect, including the Permanent Magnet and Electric according to the above-mentioned first aspect of this utility model
Machine.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation of the magneto according to this utility model embodiment；
Fig. 2 is the structural representation of the stator of the magneto according to this utility model embodiment；
Fig. 3 is another structural representation of the stator of the magneto according to this utility model embodiment；
Fig. 4 is the structural representation of the stator of the magneto according to another embodiment of this utility model；
Fig. 5 is the structural representation of the rotor of the magneto according to this utility model embodiment；
Fig. 6 is the structural representation of the compressor according to this utility model embodiment.
Reference:
Magneto 100, compressor 200,
Rotor 1, rotor core 11, rotor permanent magnet 12,
Stator 2, stator core 21, yoke portion 211, stator tooth 212, tooth boots portion 2121, stator slot 213, notch 2131, stator
Winding 22, locating slot 23,
Insulating barrier 3,
Housing 201, reservoir 202, compresses mechanism 203.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
In description of the present utility model, it is to be understood that term " length ", " width ", " thickness ", " on ", D score,
Orientation or the position relationship of the instruction such as " interior ", " outward ", " axially ", " radially ", " circumferential " are based on orientation shown in the drawings or position
Put relation, be for only for ease of and describe this utility model and simplify description rather than instruction or the device of hint indication or element
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.This
Outward, term " first ", " second " are only used for describing purpose, and it is not intended that indicate or imply relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or implicitly include
One or more this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or two
More than individual.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
D score can include that the first and second features directly contact, it is also possible to includes that the first and second features are not directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 6, the magneto 100 according to this utility model embodiment is described.Wherein, magneto 100
Can be used on compressor 200 such as rotary compressor 200, but be not limited to this.
As it is shown in figure 1, according to the magneto 100 of this utility model first aspect embodiment, including: rotor 1 and stator
2.Stator 2 can be formed generally as annular, and rotor 1 can be located at the radially inner side of stator 2, it is also possible to is located at the footpath of stator 2
Laterally, this is not especially limited by this utility model.
Specifically, with reference to Fig. 5, rotor 1 includes rotor core 11 and the rotor permanent magnet 12 being located on rotor core 11, ginseng
According to Fig. 1-Fig. 4, stator 2 includes stator core 21 and stator winding 22, and stator winding 22 is located on stator core 21.Stator core
21 include yoke portion 211 and multiple stator tooth 212, multiple stator tooth 212 being provided at circumferentially spaced along yoke portion 211.For example, referring to figure
1, the yoke portion 211 of stator core 21 can circumferentially extending along stator core 21, stator tooth 212 can be along the footpath of stator core 21
To extension, limiting stator slot 213 between adjacent two stator tooths 212, stator winding 22 can be located in stator slot 213.Fixed
Pilot trench 213 has notch 2131, and for example, referring to Fig. 1, notch 2131 is formed at one end away from yoke portion 211 of stator slot 213,
Specifically, one end away from yoke portion 211 of stator tooth 212 is provided with tooth boots portion 2121, and tooth boots portion 2121 is along the week of stator core 21
To, be directed away from stator tooth 212 both sides direction extend, between adjacent two tooth boots portions 2121 formed notch 2131.
Wherein, the width of notch 2131 is w, and the external diameter of stator 2 is D, and the width w of notch 2131 is full with the outer diameter D of stator 2
Foot: 0.02≤w/D≤0.04.Its concrete numerical value can be according to actual requirement adjusted design, and such as, w/D can meet further:
W/D=0.25, w/D=0.03 etc..Thus, it is possible to reduce the noise of magneto 100, reduce leakage field, improve magneto 100
Performance, and can ensure that effective groove area of stator slot 213, it is simple to the coiling of stator winding 22, reduce manufacture difficulty.
Magneto 100 according to this utility model embodiment, by by the width w of notch 2131 and the outer diameter D of stator 2
It is sized to: 0.02≤w/D≤0.04, reduces the noise of magneto 100, decrease leakage field, improve Permanent Magnet and Electric
The performance of machine 100, and can ensure that effective groove area of stator slot 213, it is simple to the coiling of stator winding 22, reduce manufacture difficulty
Degree.
According to embodiments more of the present utility model, the outer diameter D of stator 2 meets: 0mm ＜ D≤65mm.Such as, stator 2
Outer diameter D can meet further: D=60mm etc..Thus, it is possible to effectively reduce the volume and weight of magneto 100, reduce
Taking up room of magneto 100, and the material cost of magneto 100 can be reduced.
Further, the axial length of stator 2 is L, and the axial length L of stator 2 meets: L≤20mm.Thus, it is possible to ground
Reduce the volume of magneto 100 further, meet the market demand of magneto 100 miniaturization.
Alternatively, stator winding 22 is centralized stator winding, but is not limited to this.Alternatively, with reference to Fig. 3, stator winding
22 can directly be wound on stator tooth 212.Here, it should be noted that centralized stator winding refers to same coil winding
On a stator tooth 212.Thus, it is possible to improve the coiling efficiency of stator winding 22, and so that the end of stator winding 22
Portion's size is short, improves the performance of magneto 100.
Further, the inwall of stator slot 213 is coated with insulating barrier 3.Thus, it is possible to stator core 21 and stator around
Group 22 is dielectrically separated from, thus while ensureing the reliability of magneto 100, it is ensured that the utilization rate of stator winding 22,
Reduce the size of stator winding 22 end, promote the performance of magneto 100.
Specifically, with reference to Fig. 2 and Fig. 3, after painting insulating layer coating 3, the width of notch 2131 is w1, w1Meet: w1≥0.8w.Example
As, w1Can meet further: w1=0.09w.Thus, it is possible in the insulation ensured between stator core 21 and stator winding 22
While effect, it is ensured that the utilization rate of stator slot 213, it is simple to stator winding 22 is wound on stator tooth 212.
Further, a part for the end face of stator core 21 is provided with insulating barrier 3.For example, referring to Fig. 2 and Fig. 3, stator
The insulating barrier 3 of the end face of iron core 21 is spaced apart from each other with the outer peripheral face of stator core 21.Thus, further increasing stator around
Group 22 and the insulation effect of stator core 21, and it is easy to stator core 21 by end face and fabricating tools precision-fit, thus carry
The high efficiency of assembling of magneto 100.
It is, of course, understood that the part insulation in the insulating barrier 3 that can also will be located on stator core 21 end face
Layer 3 is spaced apart with the outer peripheral face of stator core 21.For example, referring to Fig. 4, in insulating barrier 3 on stator core 21 end face
Point insulating barrier 3 can be spaced apart with the outer peripheral face of stator core 21, and another part insulating barrier 3 can extend to stator core 21
Edge.As long as ensureing that fabricating tools can be with the uncoated insulating barrier 3 of the end face being positioned at stator core 21 during assembling
Part precision-fit.
Further, the outer peripheral face of stator core 21 is formed at least one locating slot 23, is positioned at stator core 21
The insulating barrier 3 of end face is tangent with locating slot 23.Wherein, locating slot 23 can be one, it is also possible to for multiple.Specifically, at least
Insulating barrier 3 it is not provided with on the inwall of one locating slot 23.Thus, during assembling, by locating slot 23, stator 2 can be entered
Row location, thus further increasing efficiency of assembling.
Specifically, the cross section of locating slot 23 can be formed generally as semicircle or trapezoidal, is positioned at stator core 21
The insulating barrier 3 of end face is tangent with locating slot 23.Thus, it is simple on the end face of stator core 21, be coated with insulating layer coating 3.
Alternatively, insulating barrier 3 can be epoxy resin part, but is not limited to this.As long as insulating barrier 3 can with refrigerant,
This is not especially limited by this utility model.
According to embodiments more of the present utility model, with reference to Fig. 1 and combine Fig. 5, stator 2 is located at outside rotor 1, rotor permanent magnet
Body 12 is magnet ring structure, and rotor core 11 is located at the radially inner side of rotor permanent magnet 12.Wherein, magnet ring structure is surface-mount type structure
In one, surface-mount type structure can provide more permanent magnet in limited space, thus improve magneto 100
Power density.Additionally, the reliability height that magnet ring structure is easily installed and runs up.
Alternatively, rotor permanent magnet 12 can be Agglutinate neodymium-iron-boron part, but is not limited to this.
One specific embodiment of the magneto 100 according to this utility model embodiment is described below with reference to Fig. 1-Fig. 4.
With reference to Fig. 1-Fig. 4, according to the magneto 100 of this utility model embodiment, including rotor 1 and stator 2.Rotor 1
It is located at the radially inner side of stator 2.
Rotor 1 includes rotor core 11 and the rotor permanent magnet 12 being located on rotor core 11, wherein, rotor permanent magnet 12
For magnet ring structure, rotor permanent magnet 12 is Agglutinate neodymium-iron-boron part.Stator 2 includes stator core 21 and stator winding 22.Stator 2 shape
Becoming annular, the external diameter of stator 2 is 60mm, and the axial length of stator 2 is 15mm.Stator core 21 includes: yoke portion 211 is with many
Individual stator tooth 212, multiple stator tooth 212 being provided at circumferentially spaced along yoke portion 211.Wherein, the yoke portion 211 of stator core 21 is permissible
Circumferentially extending along stator core 21, stator tooth 212 can radially extending along stator core 21, adjacent two stator tooths 212
Between limit stator slot 213, stator winding 22 is directly wound on stator tooth 212.
One end away from yoke portion 211 of stator tooth 212 is provided with tooth boots portion 2121, and tooth boots portion 2121 is along the week of stator core 21
To, be directed away from stator tooth 212 both sides direction extend, between adjacent two tooth boots portions 2121 formed notch 2131.Wherein, groove
The width of mouth 2131 is w, and the external diameter of stator 2 is D, and the width w of notch 2131 meets with the outer diameter D of stator 2: w/D=0.03.
Multiple locating slot 23, a part for the end face of stator core 21 and stator it is formed with on the outer peripheral face of stator core 21
The inwall of groove 213 is provided with insulating barrier 3.Wherein, insulating barrier 3 is epoxy resin part.The width of notch 2131 after painting insulating layer coating 3
For w1, w1Meet: w1=0.09w.
Magneto 100 according to this utility model embodiment, reduces the noise of magneto 100, improves permanent magnetism
The performance of motor 100, and can ensure that effective groove area of stator slot 213, it is simple to the coiling of stator winding 22, manufacturability is good
Good.
According to the compressor 200 of this utility model second aspect embodiment, including according to the above-mentioned first party of this utility model
The motor of the permanent magnetism of face embodiment.Wherein, compressor 200 can be micro-compressor such as Miniature rotary compressor etc., but not
It is limited to this.
Here, it should be noted that it is 500W's etc. that micro-compressor refers to refrigerating capacity less than 1KW, such as refrigerating capacity
Refrigeration compressor.Micro-compressor may be used for mini-refrigerator system, such as, may be used for on-board air conditioner, car refrigerator etc..Micro-
The diameter of type compressor housing is usually more than 65mm.
Specifically, with reference to Fig. 6, compressor 200 includes housing 201, reservoir 202, magneto 100 and compression mechanism
203 parts such as grade.Wherein, magneto 100 is arranged in compressor 200, the outer peripheral face of the stator 2 of magneto 100 and compression
The housing 201 of machine 200 coordinates, and the rotor 1 of magneto 100 is coordinated with the compression mechanism 203 of compressor 200 by rotating shaft.
According to the compressor 200 of this utility model second aspect embodiment, by arranging according to this utility model above-mentioned
Magneto 100 on the one hand, improves the overall performance of compressor 200.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
In the case of without departing from principle of the present utility model and objective, these embodiments can be carried out multiple change, revise, replace
And modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a magneto, it is characterised in that including:
Rotor, described rotor includes rotor core and the rotor permanent magnet being located on described rotor core；With
Stator, described stator includes that stator core and stator winding, described stator winding are located on described stator core, described fixed
Sub-iron core includes yoke portion and multiple stator tooth, and the plurality of stator tooth is provided at circumferentially spaced along described yoke portion, adjacent two institutes
Stating and limit stator slot between stator tooth, described stator slot has notch, and wherein, the width of described notch is w, described stator
External diameter is D, and the width w of described notch meets with the outer diameter D of described stator: 0.02≤w/D≤0.04.
Magneto the most according to claim 1, it is characterised in that the outer diameter D of described stator meets: 0mm ＜ D≤65mm.
Magneto the most according to claim 1, it is characterised in that described stator winding is centralized stator winding.
Magneto the most according to claim 3, it is characterised in that described stator winding is directly wound on described stator tooth.
5. according to the magneto according to any one of claim 1-4, it is characterised in that coat on the inwall of described stator slot
There is insulating barrier.
Magneto the most according to claim 5, it is characterised in that after coating described insulating barrier, the width of described notch is
w1, described w1Meet: w1≥0.8w。
Magneto the most according to claim 1, it is characterised in that described stator is located at outside described rotor.
Magneto the most according to claim 1, it is characterised in that described rotor permanent magnet is magnet ring structure, described turn
Sub-iron core is located at the radially inner side of described rotor permanent magnet.
Magneto the most according to claim 8, it is characterised in that described rotor permanent magnet is Agglutinate neodymium-iron-boron part.
10. a compressor, it is characterised in that include according to the magneto according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688923.5U CN205846884U (en) | 2016-06-30 | 2016-06-30 | Magneto and there is its compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688923.5U CN205846884U (en) | 2016-06-30 | 2016-06-30 | Magneto and there is its compressor |
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| Publication Number | Publication Date |
|---|---|
| CN205846884U true CN205846884U (en) | 2016-12-28 |
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ID=58150790
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|---|---|---|---|
| CN201620688923.5U Active CN205846884U (en) | 2016-06-30 | 2016-06-30 | Magneto and there is its compressor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877542A (en) * | 2017-04-18 | 2017-06-20 | 安徽美芝制冷设备有限公司 | Stator and the motor with it |
| CN107017710A (en) * | 2017-05-31 | 2017-08-04 | 广东美芝制冷设备有限公司 | The stator of compressor, magneto, the winding method of compressor and stator coil |
| CN107453498A (en) * | 2017-08-28 | 2017-12-08 | 广东美芝制冷设备有限公司 | Stator core, motor stator, motor and compressor |
| WO2020019588A1 (en) * | 2018-07-27 | 2020-01-30 | 广东美芝制冷设备有限公司 | Permanent magnet motor, compressor, and air conditioner |
| CN110768420A (en) * | 2018-07-27 | 2020-02-07 | 广东美芝制冷设备有限公司 | Permanent magnet motor, compressor and air conditioner |
| CN113839476A (en) * | 2021-09-18 | 2021-12-24 | 广东美芝制冷设备有限公司 | Motor, compressor and refrigeration plant |
-
2016
- 2016-06-30 CN CN201620688923.5U patent/CN205846884U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877542A (en) * | 2017-04-18 | 2017-06-20 | 安徽美芝制冷设备有限公司 | Stator and the motor with it |
| CN107017710A (en) * | 2017-05-31 | 2017-08-04 | 广东美芝制冷设备有限公司 | The stator of compressor, magneto, the winding method of compressor and stator coil |
| CN107453498A (en) * | 2017-08-28 | 2017-12-08 | 广东美芝制冷设备有限公司 | Stator core, motor stator, motor and compressor |
| WO2020019588A1 (en) * | 2018-07-27 | 2020-01-30 | 广东美芝制冷设备有限公司 | Permanent magnet motor, compressor, and air conditioner |
| CN110768420A (en) * | 2018-07-27 | 2020-02-07 | 广东美芝制冷设备有限公司 | Permanent magnet motor, compressor and air conditioner |
| US11996733B2 (en) | 2018-07-27 | 2024-05-28 | Guangdong Meizhi Compressor Co., Ltd. | Permanent magnet motor, compressor and air conditioner |
| CN113839476A (en) * | 2021-09-18 | 2021-12-24 | 广东美芝制冷设备有限公司 | Motor, compressor and refrigeration plant |
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| C14 | Grant of patent or utility model | ||
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