CN206542262U - Motor and the compressor with it - Google Patents

Motor and the compressor with it Download PDF

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Publication number
CN206542262U
CN206542262U CN201720261922.7U CN201720261922U CN206542262U CN 206542262 U CN206542262 U CN 206542262U CN 201720261922 U CN201720261922 U CN 201720261922U CN 206542262 U CN206542262 U CN 206542262U
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CN
China
Prior art keywords
stator
center
fluting
tooth
punching
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CN201720261922.7U
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Chinese (zh)
Inventor
赵东亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Meizhi Precision Manufacturing Co Ltd
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Guangdong Meizhi Precision Manufacturing Co Ltd
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Priority to CN201720261922.7U priority Critical patent/CN206542262U/en
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Abstract

The utility model discloses a kind of motor and the compressor with it, the motor includes:Stator, the stator includes multiple folded stator punchings set, each stator punching has multiple along its circumferentially spaced stator tooth, stator slot is limited between the two neighboring stator tooth, wherein, the side at the center toward or away from the stator punching of the free end of at least one stator tooth is provided with fluting, and the notch of the neighbouring stator slot of fluting sets and is in asymmetric distribution relative to the center line of the stator tooth.According to the motor of the utility model embodiment, fluting is set by the side at the center toward or away from stator punching in the free end of stator tooth, and be in asymmetric distribution by the center line slotted relative to stator tooth, the low order subharmonic produced during motor operation can be made to cancel out each other, so as to reduce the noise of motor.

Description

Motor and the compressor with it
Technical field
The utility model is related to Compressor Technology field, more particularly, to a kind of motor and the compressor with it.
Background technology
Concentration volume permagnetic synchronous motor in correlation technique is a large amount of due to containing in the air gap between stator core and rotor Harmonic wave, and the symmetrical distribution of center line of the stator core along stator tooth, are overlapped mutually low order subharmonic, it is easier to produce The lower electromagnetic force of raw exponent number, so that the problems such as causing motor noise vibration increase.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model is carried Go out a kind of motor, the noise of the motor is low.
The utility model also proposes a kind of compressor with above-mentioned motor.
According to the motor of the utility model first aspect embodiment, including:Stator, the stator include it is multiple it is folded set determine Sub- punching, each stator punching have it is multiple along its circumferentially spaced stator tooth, the two neighboring stator tooth it Between limit stator slot;Wherein, the center toward or away from the stator punching of the free end of at least one stator tooth Side provided with fluting, the notch of the neighbouring stator slot of fluting set and relative to the stator tooth center line in non- It is symmetrical.
According to the motor of the utility model embodiment, by the free end of stator tooth toward or away from stator punching The side at center sets fluting, and is in asymmetric distribution relative to the center line of stator tooth by fluting, when can make motor operation The low order subharmonic of generation is cancelled out each other, so as to reduce the noise of motor.
According to one embodiment of the present utility model, the middle part of the stator punching is provided with endoporus, each stator tooth The direction stator punching center side be provided with least one described fluting.
According to one embodiment of the present utility model, the motor also includes:Rotor, the rotor is rotatably mounted around In the stator, center line using the process of each stator tooth stator punching center is d axle, and the stator tooth is opened Groove is located at the side of the rotation direction of the direction rotor of the d axles.
Alternatively, in the circumference of the stator punching, the side of the remote notch of each fluting and described The angle of the imaginary line at the center of stator punching and the d axles is θ 1, and the stator tooth is towards the end of the notch and institute The angle of the imaginary line and the d axles of stating the center of stator punching is θ 2, the < θ 2 of θ 1.
Further, the < 1 of 0.4 < θ, 1/ θ 2.
Alternatively, the ultimate range at the bottom wall of the fluting and the stator punching center is R1, the position of the stator tooth The inner minimum range with the center of the stator punching in the d axles dorsad side of the rotation direction of the rotor is R2, R1 > R2.
According to one embodiment of the present utility model, the contour line of the fluting is straight line, broken line or arc.
According to one embodiment of the present utility model, the wheel of the side at the direction stator punching center of the stator tooth Center line asymmetric arrangement of the profile relative to the stator tooth.
According to one embodiment of the present utility model, the ratio between total quantity of the number of poles of the rotor and the stator slot is 2: 3。
According to the utility model second aspect embodiment compressor, including the motor according to above-described embodiment.
According to the compressor of the utility model embodiment, by using the electricity according to the utility model first aspect embodiment Machine, so as to have the advantages that operating noise is low.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein:
Fig. 1 is the structural representation of the motor according to the utility model embodiment;
Fig. 2 is the structural representation of the stator punching of the motor according to the utility model one embodiment;
Fig. 3 is the partial schematic diagram of the stator tooth of the stator punching according to the utility model another embodiment;
Fig. 4 is the partial schematic diagram of the stator tooth of the stator punching according to the utility model another embodiment;
Fig. 5 is the structural representation of the compressor according to the utility model embodiment.
Reference:
Compressor 100,
Shell 10, accommodating chamber 11,
It is motor 20, stator 21, stator punching 211, endoporus 2111, stator tooth 2112, stator slot 2113, fluting 2114, fixed Sub- winding 22, rotor 23,
The pump housing 30, reservoir 40.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.
In description of the present utility model, it is to be understood that term " " center ", " length ", " on ", " under ", " preceding ", " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", " counterclockwise ", " axial direction ", " footpath To ", the orientation of the instruction such as " circumference " or position relationship be, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch State the utility model and simplify and describe, rather than indicate or imply signified device or element must have specific orientation, with Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
The motor 20 according to the utility model first aspect embodiment is described below with reference to Fig. 1-Fig. 4.
As Figure 1-Figure 4, stator 21 is included according to the motor 20 of the utility model embodiment.Stator 21 includes multiple folded If stator punching 211 and multiple stator punchings 211 shape, size all same.Each stator punching 211 has multiple along it Stator slot 2113 is limited between circumferentially spaced stator tooth 2112, two neighboring stator tooth 2112.
Wherein, the free end of at least one stator tooth 2112 of stator punching 211 toward or away from stator punching 211 The side at center is provided with fluting 2114.The quantity of fluting 2114 can specifically be selected according to actual needs.Fluting 2114 is adjacent The notch of nearly stator slot 2113 sets and is in asymmetric distribution relative to the center line of corresponding stator tooth 2112.
According to the motor 20 of the utility model embodiment, by the free end of stator tooth 2112 toward or away from stator The side at the center of punching 211 sets fluting 2114, and is in asymmetric relative to the center line of stator tooth 2112 by fluting 2114 Distribution, the low order subharmonic produced when can run motor 20 is cancelled out each other, so as to reduce the noise of motor 20.
Some specific embodiments of motor 20 according to the utility model embodiment are described with reference to Fig. 1-Fig. 4.
As shown in figure 1, including stator 21 and rotor 23 according to the motor 20 of the utility model one embodiment.Stator 21 by Folded set of multiple stator punchings 211 forms.The middle part of each stator punching 211 is provided with endoporus 2111.The inner side tool of stator punching 211 Have multiple along its circumferentially spaced stator tooth 2112, two neighboring stator tooth 2112 is limited and determining that endoporus 2111 is connected Pilot trench 2113.The side at the center towards stator punching 211 of each stator tooth 2112 is provided with a fluting 2114.Rotor 23 is set In the endoporus 2111 of stator 21 and coaxially arranged with stator 21, rotor 23 can rotate counterclockwise relative to stator 21.
Alternatively, the contour line of the side towards the center of stator punching 211 of each stator tooth 2112 is relative to stator tooth 2112 center line asymmetric arrangement, i.e., the inner peripheral surface contour line of multiple stator tooths 2112 is asymmetrical shape.Thus motor is made The low order subharmonic produced during 20 operation is cancelled out each other, and is effectively reduced the operating noise of motor 20.
According to some specific embodiments of the present utility model, as shown in Fig. 2 rotor 23 revolves counterclockwise relative to stator 21 Turn.Center line using the center of process stator punching 211 of each stator tooth 2112 is d axle, the fluting of stator tooth 2,112 2114 Direction (left side of d axles as shown in Figure 2) is skidded off in the side of the rotation direction towards rotor 23 of d axles, i.e. rotor 23.By This fluting 2114 is relative to the center line unsymmetrical arrangement of corresponding stator tooth 2112, the low order produced when running motor 20 time Harmonic wave is cancelled out each other, and reduces the noise of motor 20.
It is understood that if rotor 23 turns clockwise relative to stator 21, the fluting 2114 of stator tooth 2112 is located at d The side of the rotation direction towards rotor 23 of axle, the i.e. right side positioned at d axles as shown in Figure 2.
In some instances, as shown in Fig. 2 in the circumference of stator punching 211, the remote notch of each fluting 2114 The imaginary line at center of side (right side of fluting 2114 as shown in Figure 2) and stator punching 211 and the angle of d axles are θ 1, Stator tooth 2112 is θ 2, the < θ 2 of θ 1 with the imaginary line at the center of stator punching 211 and the angle of d axles towards the end of notch.
Alternatively, the < 1 of 0.4 < θ, 1/ θ 2.For example, the θ 2 of θ 1/ can be 0.5,0.8,0.9 etc., specifically can be according to actual need Selected, realize that production cost is low to the structure optimization and processing of stator punching 211, easy to manufacture.
According to the utility model further embodiment, as shown in Fig. 2 in the bottom wall and stator punching 211 of fluting 2114 The ultimate range of the heart is R1, side (the d axles as shown in Figure 2 for being located at the d axles dorsad rotation direction of rotor 23 of stator tooth 2112 Right side) the minimum range of the inner and the center of stator punching 211 be R2, and meet condition:R1 > R2.Thereby guarantee that fluting 2114 are formed as breach of the inner circumferential relative to stator tooth 2112 away from the center position depression of stator punching 211.
As shown in Fig. 2 in some instances, the contour line of each fluting 2114 of stator punching 211 is broken line, fluting 2114 bottom wall formation straight line, a side wall formation of fluting 2114 is straight relative to what the centerline dip of stator tooth 2112 was set Line, opposite side is communicated to the notch of stator slot 2113.
Further, arrangement along its circumferentially-spaced is opened and along stator punching 211 in the periphery of stator punching 211 provided with multiple The groove being radially-inwardly recessed, multiple grooves are corresponded with multiple positions of stator tooth 2112.Each groove can be rectangular channel Or deep-slotted chip breaker etc..The close position of at least one in multiple grooves is provided with a size compared to the less gap slot of groove.
As shown in figure 3, in some optional examples, the contour line formation of each fluting 2114 is relative to stator tooth 2112 Centerline dip set straight line, i.e., one end of the notch of the adjacent stator groove 2113 of stator tooth 2112 is chamfer to form fluting 2114。
As shown in figure 4, in other optional examples, the inner of each stator tooth 2112 is arranged spaced apart provided with two Fluting 2114, the contour line formation circular arc of each fluting 2114.
Certainly, the fluting in the profile wire shaped and each stator tooth 2112 of each fluting 2114 of the present utility model 2114 quantity is not limited to this.
According to another embodiment of the present utility model, the ratio between the number of poles of rotor 23 and the total quantity of stator slot 2113 are 2: 3.Specific in the example shown in Fig. 1, the total quantity of the stator slot 2113 of the stator 21 of motor 20 is 9, and the number of poles of rotor 23 is 6。
According to the motor 20 of the utility model embodiment, design is optimized by the stator punching 211 to stator 21, made The low order subharmonic that motor 20 is produced when running can cancel out each other, so as to reduce the operating noise of motor 20, and then be conducive to Reduce the operating noise of compressor.
The compressor 100 according to the utility model second aspect embodiment is described with reference to Fig. 5.
As shown in figure 5, according to the compressor 100 of the utility model embodiment including shell 10, above-described embodiment Motor 20, the pump housing 30 and reservoir 40.Shell 10 forms the column of vertically (above-below direction as shown in Figure 5) extension, Defined in shell 10 along its axially extending accommodating chamber 11.Here " axial direction " is the upper and lower of shell 10 as shown in Figure 5 To.
Motor 20 and the pump housing 30 are connected and are separately mounted in accommodating chamber 11.Motor 20 includes stator 21, stator winding 22 With rotor 23, the middle part of stator 21 has an endoporus 2111, and stator winding 22 is around being located on stator tooth 2112.Rotor 23 is located at endoporus Rotate in 2111 and relative to stator 21.Reservoir 40 is located at outside shell 10 and is connected with the pump housing 30.
During work, the rotor 23 of motor 20 drives the pump housing 30 to operate together, and refrigerant is entered in the pump housing 30 by reservoir 40, After overcompression, discharged by the exhaust outlet on shell 10 outside compressor 100.
Due to there is above-mentioned technique effect according to the motor 20 of the utility model embodiment, thus it is real according to the utility model Applying the compressor 100 of example also has an above-mentioned technique effect, i.e., described compressor 100 it is simple in construction, small, noise is vibrated during work It is low.
According to other compositions of the motor 20 of the utility model embodiment and compressor 100 and operation for this area All it is known for those of ordinary skill, is not detailed herein.
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 to combine specific features, the knot that the embodiment or example are described 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.Moreover, description specific features, structure, material or Person's feature can in an appropriate manner be combined in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced And modification, scope of the present utility model limits by claim and its equivalent.

Claims (10)

1. a kind of motor, it is characterised in that including:
Stator, the stator includes multiple folded stator punchings set, and each stator punching has multiple circumferentially-spaced along its Stator slot is limited between the stator tooth of arrangement, the two neighboring stator tooth;
Wherein, the side at the center toward or away from the stator punching of the free end of at least one stator tooth is provided with and opened Groove, the fluting sets adjacent to the notch of the stator slot and is in asymmetric distribution relative to the center line of the stator tooth.
2. motor according to claim 1, it is characterised in that the middle part of the stator punching is provided with endoporus, each described The side at the center of the direction stator punching of stator tooth is provided with least one described fluting.
3. motor according to claim 2, it is characterised in that also include:Rotor, the rotor is rotatably mounted around institute State in stator,
Center line using the process of each stator tooth stator punching center is d axle, and the fluting of the stator tooth is located at The side of the rotation direction of the direction rotor of the d axles.
4. motor according to claim 3, it is characterised in that in the circumference of the stator punching, each fluting The side of the remote notch and the imaginary line at center and the angle of the d axles of the stator punching be θ 1, it is described fixed Sub- tooth is θ 2, the < θ of θ 1 with the imaginary line at the center of the stator punching and the angle of the d axles towards the end of the notch 2。
5. motor according to claim 4, it is characterised in that the < 1 of 0.4 < θ, 1/ θ 2.
6. motor according to claim 3, it is characterised in that the bottom wall of the fluting and the stator punching center are most Big distance is R1,
The stator tooth is located at the d axles dorsad inner and stator punching of the side of the rotation direction of the rotor The minimum range at center is R2, R1 > R2.
7. the motor according to any one of claim 1-6, it is characterised in that the contour line of the fluting is straight line, folding Line or arc.
8. the motor according to any one of claim 2-6, it is characterised in that the direction stator punching of the stator tooth Center line asymmetric arrangement of the contour line of the side at piece center relative to the stator tooth.
9. the motor according to any one of claim 3-6, it is characterised in that the number of poles of the rotor and the stator slot The ratio between total quantity be 2:3.
10. a kind of compressor, it is characterised in that the motor according to any one of claim 1-9.
CN201720261922.7U 2017-03-16 2017-03-16 Motor and the compressor with it Active CN206542262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720261922.7U CN206542262U (en) 2017-03-16 2017-03-16 Motor and the compressor with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720261922.7U CN206542262U (en) 2017-03-16 2017-03-16 Motor and the compressor with it

Publications (1)

Publication Number Publication Date
CN206542262U true CN206542262U (en) 2017-10-03

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CN201720261922.7U Active CN206542262U (en) 2017-03-16 2017-03-16 Motor and the compressor with it

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109245353A (en) * 2018-11-26 2019-01-18 史政齐 The short magnetic circuit of electric car is without rare-earth permanent-magnet electric machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109245353A (en) * 2018-11-26 2019-01-18 史政齐 The short magnetic circuit of electric car is without rare-earth permanent-magnet electric machine

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