CN107425624A - Motor stator, motor and compressor - Google Patents

Motor stator, motor and compressor Download PDF

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Publication number
CN107425624A
CN107425624A CN201710749998.9A CN201710749998A CN107425624A CN 107425624 A CN107425624 A CN 107425624A CN 201710749998 A CN201710749998 A CN 201710749998A CN 107425624 A CN107425624 A CN 107425624A
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CN
China
Prior art keywords
stator
motor
teeth
tooth
yoke
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.)
Granted
Application number
CN201710749998.9A
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Chinese (zh)
Other versions
CN107425624B (en
Inventor
郑军洪
邱小华
孙国伟
陈汉锡
王正祥
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 Compressor Co Ltd
Original Assignee
Guangdong Meizhi Compressor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Meizhi Compressor Co Ltd filed Critical Guangdong Meizhi Compressor Co Ltd
Priority to CN201710749998.9A priority Critical patent/CN107425624B/en
Publication of CN107425624A publication Critical patent/CN107425624A/en
Application granted granted Critical
Publication of CN107425624B publication Critical patent/CN107425624B/en
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Classifications

    • 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
    • H02K1/16—Stator cores with slots for windings
    • H02K1/165—Shape, form or location of the slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
    • H02K15/026—Wound cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention provides a kind of motor stator, motor and compressor, motor stator, stator teeth, rotor hole is provided with stator teeth, the circumferentially-spaced of stator teeth is provided with multiple stator tooths；Stator yoke, receiving hole is provided with stator yoke, stator yoke is set on stator teeth by receiving hole, and multiple recesses are arranged at intervals with the side wall of receiving hole, is the auxiliary section coordinated with stator tooth between two neighboring recess；Armature winding, in receiving hole, and around the home on multiple stator tooths；Wherein, stator teeth and stator yoke are split-type structural and are interference fit, and a diameter of D1 of the stator teeth at stator tooth, a diameter of D2,0mm ＜ D1 D2≤0.1mm of the part that stator yoke cooperates with stator tooth.The larger of the coiling notch setting of stator so as to ensure the high copper factor of motor, can be realized the coiling of lenticular wire, improves electric efficiency by the program.Stator is closed slot, additionally it is possible to the vibration of motor is reduced, to reduce noise.

Description

Motor stator, motor and compressor
Technical field
The present invention relates to household appliance technical field, more specifically, is related to a kind of motor stator, motor and compressor.
Background technology
At present, as shown in figure 1, permagnetic synchronous motor includes motor stator 1' and rotor 2', wherein, motor stator 1' Tooth and yoke be integral type structure, be formed separately notch between crown and crown, the armature winding of motor is by notch by winding Around the home on the stator teeth, in order to meet Automated winding, stator rabbet is bigger, and notch is to along the radial direction of notch to bottom land Part all can not coiling, and winding intersect cause winding displacement it is irregular, cause the copper factor of motor low, electric efficiency can not enter one Step is improved, and the power density of motor can not be improved further.In addition, this kind of structure also make it that the notch of motor stator is bigger, Cause the harmonic content of air gap magnetic density waveform is high to be pulsed greatly with cogging torque, the vibration of motor is big, and noise is big.And in order to further The utilization rate of motor slot is improved, electromagnetic wire needs to use lenticular wire, so as to electric efficiency and power density are improved, but current The tooth and yoke of the stator of permagnetic synchronous motor are integral type structure, and lenticular wire is directly around on the stator teeth, it may appear that lenticular wire turn-knob, causes Lenticular wire is misaligned, and winding overhang is high, and lenticular wire turn-knob insulation breakdown easily occurs and make it that electric machine winding manufacture yields is low, because This lenticular wire can not directly around the home on the stator teeth.And lenticular wire uses formed coil, straight cutting is to solve lenticular wire application on the stator teeth Better method, but need new stator structure.
Therefore, how to propose that a kind of new copper factor is high, and electric efficiency can be made high, with small vibration, the small motor of noise Stator turns into current urgent problem to be solved.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.
Therefore, it is an advantage of the invention to provide a kind of motor stator.
It is a further object of the invention to provide a kind of motor for including above-mentioned motor stator.
It is still another object of the present invention to provide a kind of compressor for including above-mentioned motor.
To achieve the above object, first aspect present invention embodiment provides a kind of motor stator, including：Stator teeth, Rotor hole is provided with the stator teeth, the circumferentially-spaced of the stator teeth is provided with multiple stator tooths；Stator yoke, Receiving hole is provided with the stator yoke, the stator yoke is set on the stator teeth by the receiving hole, institute State and multiple recesses are arranged at intervals with the side wall of receiving hole, be to match somebody with somebody with what the stator tooth coordinated between the two neighboring recess Conjunction portion；Armature winding, in the receiving hole, and around the home on the multiple stator tooth；Wherein, the stator teeth and institute It is split-type structural to state stator yoke, is interference fit between the stator teeth and the receiving hole, and the stator teeth A diameter of D1 at the stator tooth, a diameter of D2 for the part that the stator yoke cooperates with the stator tooth, its In, 0mm ＜ D1-D2≤0.1mm.
The motor stator provided according to an embodiment of the invention, because stator teeth and stator yoke are split-type structural, Therefore the tooth yoke separation of stator can be realized, therefore, in coiling, armature winding can be first wrapped in the stator tooth of stator teeth On, then it is sleeved on by stator yoke outside stator teeth.This kind of structure, the coiling notch of stator can be set it is larger, from And the copper factor of motor is able to ensure that, and then can further improve electric efficiency.Meanwhile stator is closed slot, so that can Cogging torque pulsation is enough effectively reduced, and can enough reduces the vibration of motor, to reduce noise.Meanwhile preferably by stator teeth It is arranged to be interference fitted between receiving hole, like this can makes what is coordinated between stator teeth and stator yoke more to step up It is close, so as to further improve the copper factor of motor, and then electric efficiency can be further improved, reduce the vibration of motor, To reduce noise.Specifically, when stator teeth and receiving hole are interference fitted, stator teeth stator tooth diameter than receiving hole The big 0mm-0.1mm of diameter is advisable.Because stator teeth can either so be interference fitted with receiving hole, and can enough makes stator teeth It is proper with the size of receiving hole, thus be more convenient for installing.Further, since multiple spaced settings of stator tooth, therefore, can The internal face of stator yoke is divided into two parts, i.e., one is to correspond to the auxiliary section that stator tooth is set, and another is corresponding two Recess between stator tooth, and preferably, the size of recess meets to carry out Gao Chong when stator teeth can be placed on corresponding recess position Manufacture.
In addition, the motor stator provided according to the above embodiment of the present invention also has following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the stator yoke is set in the stator tooth by hot cover process interference In portion.
In those technical schemes, when producing and processing motor stator, stator yoke can will be first heated, then hot jacket is realized Its installation of interference fit between stator teeth.This kind of mode, it can make to be interference fitted between stator yoke and stator teeth That installs is more firm.
In any of the above-described technical scheme, it is preferable that the recess is in plane or cambered surface.
In those technical schemes, recess can think that plane can also be cambered surface, preferably arc surface.
In any of the above-described technical scheme, it is preferable that the end shape of the stator tooth is in plane or cambered surface, the cooperation The shape in portion and the end shape of the stator tooth are mutually adapted.
In those technical schemes, the end shape of stator tooth is alternatively cambered surface, such as arc-shaped surface in plane, and coordinates The shape in portion and the end shape of stator tooth are mutually adapted, and so stator tooth can be made to coordinate with stator yoke more preferable, again Stator tooth can be made with stator yoke to coordinate to make to realize interference fit using the high punching of same silicon steel sheet material progress.
In any of the above-described technical scheme, it is preferable that the stator teeth is formed by stacking by multiple silicon steel plates；It is two neighboring The stator tooth is connected by crown, and smallest radial width of the stator teeth at the crown is more than the silicon steel plate Thickness.
In those technical schemes, connected between two stator tooths of stator teeth by crown, and the most path of crown It is not easy to width too small, is at least greater than the thickness of silicon steel plate, can so ensure the intensity of stator tooth.
In any of the above-described technical scheme, it is preferable that the quantity of the multiple stator tooth is 6 or 9 or 12, multiple The stator tooth is centrosymmetric arrangement with the center of the rotor hole.
, can be according to the quantity for being actually needed setting stator tooth in those technical schemes, specifically, can be by multiple stator tooths Quantity be arranged to 6 or 9 or 12.In addition, preferably by center symmetric setting of multiple stator tooths on rotor hole, this Sample can make the power of stator in all directions consistent.
In any of the above-described technical scheme, it is preferable that the stator teeth and the stator yoke are made by silicon steel plate.
In those technical schemes, stator teeth and stator yoke are preferably processed by silicon steel plate, because silicon steel plate It is relatively common, and better performances, it is thus possible to ensure the performance of stator teeth and stator yoke.
In any of the above-described technical scheme, it is preferable that the stator teeth and the stator yoke are by same silicon steel plate It is made.
In those technical schemes, because each silicon steel plate has difference after processing, thus preferably using same One silicon steel plate processes stator teeth and stator yoke, so can ensure that the performance such as stator teeth and the thickness of stator yoke Parameter is consistent, and then can make the more preferable of the cooperation between stator teeth and stator yoke.
In any of the above-described technical scheme, it is preferable that motor stator also includes：Insulate wire frame, and it is described fixed to be set in On sub- tooth, and the armature winding insulate on wire frame described around the home.
In those technical schemes, first coil can insulated on wire frame around the home in advance, then directly cover insulation wire frame It is located on stator teeth, so, does not just have to scene and carry out coil around the home, thus on the one hand can improves processing efficiency, it is another Aspect can also make coil around the home more neat, it is thus possible to further improve the copper factor of motor, the efficiency of motor and The power density of motor.
Wherein it is preferred to which the armature winding is formed around the home by coil, the coil is lenticular wire.
In the technical scheme, using coil around be set to armature winding when, coil preferably uses lenticular wire, so just can First lenticular wire is wound on insulation wire frame, wire frame straight cutting then will be insulated on the stator teeth, and can so solve lenticular wire turn-knob, lead Cause lenticular wire misaligned, winding overhang is high, and lenticular wire turn-knob insulation breakdown easily occurs and make it that electric machine winding manufacture yields is low The problem of.In addition, coil preferably uses lenticular wire, motor slot utilization rate improves 20% compared to existing circular electromagnetic wire scheme, because And it can further improve the power density of motor copper factor, the efficiency of motor and motor.
The embodiment of second aspect of the present invention provides a kind of motor, and the motor includes any one of first aspect embodiment and carried The motor stator of confession；Rotor, in the rotor hole of the stator teeth of the motor stator.
The motor provided according to an embodiment of the invention, there is the motor stator that first aspect any embodiment provides, because This, embodiments of the invention provide motor have first aspect any embodiment provide motor stator all beneficial to imitate Fruit, it is numerous to list herein.
The embodiment of third aspect present invention provides a kind of compressor, and the compressor, which includes any one of first aspect, to be implemented The motor that example provides.
The compressor provided according to an embodiment of the invention, there is the motor that first aspect any embodiment provides, therefore, The compressor that embodiments of the invention provide has whole beneficial effects of the motor of first aspect any embodiment offer, herein Do not enumerate.
It will be provided according to the additional aspect and advantage of the present invention in following description section, partly by from following description In become obvious, or by the present invention practice recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein：
Fig. 1 is a part of structural representation of the motor stator provided according to existing embodiment.
Wherein, the corresponding relation in Fig. 1 between reference and component names is：
1' motor stators, 2' rotors.
A part of structural representation for the motor stator that Fig. 2 is provided according to an embodiment of the invention；
The structural representation of the stator yoke for the motor stator that Fig. 3 is provided according to an embodiment of the invention；
The structural representation of the stator teeth for the motor stator that Fig. 4 provides according to embodiments of the invention；
The knot when stator yoke for the motor stator that Fig. 5 provides according to embodiments of the invention and the high punching of stator teeth are made Composition；
Fig. 6 is the structural representation for the motor that embodiments of the invention provide.
Wherein, the corresponding relation between the reference in Fig. 2 to Fig. 6 and component names is：
1 motor stator, 12 stator teeths, 122 rotor holes, 124 stator tooths, 126 crowns, 14 stator yokes, 142 accommodate Hole, 144 recesses, 146 auxiliary sections, 16 armature winding, 2 electronics rotors.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also By using other be different from it is described here in a manner of implement, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.
The motor stator 1, motor and the pressure that there is provided according to one embodiment of present invention are described referring to Fig. 2 to Fig. 6 Contracting machine.
As shown in Figures 2 to 6, first aspect present invention embodiment provides a kind of motor stator 1, including：Stator teeth 12, rotor hole 122 is provided with stator teeth 12, and the circumferentially-spaced of stator teeth 12 is provided with multiple stator tooths 124；Stator Yoke portion 14, receiving hole 142 is provided with stator yoke 14, stator yoke 14 is set on stator teeth 12 by receiving hole 142, Multiple recesses 144 are arranged at intervals with the side wall of receiving hole 142, are to coordinate with stator tooth 124 between two neighboring recess 144 Auxiliary section 146；Armature winding 16, in receiving hole 142, and around the home on multiple stator tooths 124；Wherein, stator teeth 12 It is split-type structural with stator yoke 14, is interference fit between stator teeth 12 and receiving hole 142, stator teeth 12 is in stator A diameter of D1 at tooth 124, a diameter of D2 for the part that stator yoke 14 cooperates with stator tooth 124, wherein, 0mm ＜ D1- D2≤0.1mm。
The motor stator 1 provided according to an embodiment of the invention, because stator teeth 12 and stator yoke 14 are split type Structure, therefore the tooth yoke separation of stator can be realized, therefore, in coiling, armature winding 16 first can be wrapped in stator teeth On 12 stator tooth 124, then it is sleeved on by stator yoke 14 outside stator teeth 12.This kind of structure, can be by the coiling of stator Notch is set larger, so as to ensure the copper factor of motor, and then can further improve electric efficiency.Meanwhile stator For closed slot, so as to can effectively reduce cogging torque pulsation, and can enough reduces the vibration of motor, to reduce noise.Meanwhile It is preferred that will be arranged to be interference fitted between stator teeth 12 and receiving hole 142, it can like this make stator teeth 12 and stator What is coordinated between yoke portion is even closer, so as to further improve the copper factor of motor, and then can further improve motor Efficiency, the vibration of motor is reduced, to reduce noise.Specifically, when stator teeth 12 is interference fitted with receiving hole 142, stator tooth Portion 12 bigger 0mm-0.1mm than the diameter of receiving hole 142 is advisable in the diameter of stator tooth 124.Because it can either so make stator tooth Portion 12 is interference fitted with receiving hole 142, and and can enough makes stator teeth 12 and the size of receiving hole 142 proper, thus more just In installation.Further, since multiple 124 spaced settings of stator tooth, therefore, can be divided into two by the internal face of stator yoke Point, i.e., one is to correspond to the auxiliary section 146 that stator tooth 124 is set, and another is the recess between corresponding two stator tooths 124 144, and preferably, the size of recess 144 meets that high punching is carried out when stator teeth 12 can be placed on 144 position of corresponding recess makes.
In any of the above-described embodiment, it is preferable that stator yoke 14 is set in stator teeth 12 by hot cover process interference On.
In those embodiments, when producing and processing motor stator 1, first stator yoke 14 can will be heated, then hot jacket is real Its existing installation of interference fit between stator teeth 12.This kind of mode, it can make between stator yoke 14 and stator teeth 12 Interference fit is installed more firm.
In any of the above-described embodiment, it is preferable that as shown in figure 3, recess 144 is in plane, certainly, recess 144 also can be in Cambered surface.
In those embodiments, recess 144 can think that plane can also be cambered surface, preferably arc surface.
In any of the above-described embodiment, it is preferable that as shown in figure 3, the end shape of stator tooth 124 is in plane, certainly The end shape of stator tooth 124 also can be in cambered surface, and the shape and the end shape of stator tooth 124 of auxiliary section 146 are mutually adapted.
In those embodiments, the end shape of stator tooth 124 is alternatively cambered surface, such as arc-shaped surface in plane, and matches somebody with somebody The shape in conjunction portion 146 and the end shape of stator tooth 124 are mutually adapted, and so stator tooth 124 can be made to match somebody with somebody with stator yoke That closes is more preferable, and and can enough makes stator tooth 124 be made with stator yoke cooperation using the high punching of same silicon steel sheet material progress to realize Interference fit.
In any of the above-described embodiment, it is preferable that as shown in figure 4, stator teeth 12 is formed by stacking by multiple silicon steel plates；Phase Adjacent two stator tooths 124 are connected by crown 126, and smallest radial width L1 of the stator teeth 12 at crown 126 is more than silicon steel The thickness of plate.
In those embodiments, connected between two stator tooths 124 of stator teeth 12 by crown 126, and crown 126 Smallest radial width be not easy too small, be at least greater than the thickness of silicon steel plate, can so ensure the intensity of stator tooth 124.
In any of the above-described embodiment, it is preferable that as shown in Figures 2 to 6, the quantity of multiple stator tooths 124 is 9, stator The quantity of tooth 124 is alternatively 6 12, and as shown in Fig. 2, Fig. 4 to Fig. 6, multiple stator tooths 124 are in the center of rotor hole 122 Central Symmetry is arranged.
, can be according to the quantity for being actually needed setting stator tooth 124 in those embodiments, specifically, can be by multiple stators The quantity of tooth 124 is arranged to 6 or 9 or 12.In addition, preferably by center of multiple stator tooths 124 on rotor hole 122 It is symmetrical arranged, can so makes the power of stator in all directions consistent.
In any of the above-described embodiment, it is preferable that stator teeth 12 and stator yoke 14 are made by silicon steel plate.
In those embodiments, stator teeth 12 and stator yoke 14 are preferably processed by silicon steel plate, because silicon steel Plate is relatively common, and better performances, it is thus possible to ensures the performance of stator teeth 12 and stator yoke 14.
In any of the above-described embodiment, it is preferable that stator teeth 12 and stator yoke 14 are made up of same silicon steel plate.
In those embodiments, because each silicon steel plate has difference after processing, thus preferably using same Individual silicon steel plate processes stator teeth 12 and stator yoke 14, so can ensure that stator teeth 12 and the thickness of stator yoke 14 It is consistent etc. performance parameter, and then the more preferable of the cooperation between stator teeth 12 and stator yoke can be made.
In any of the above-described embodiment, it is preferable that motor stator 1 also includes：Insulate wire frame, can be set in stator tooth On, and armature winding 16 is insulating on wire frame around the home.
In those embodiments, first coil can insulated on wire frame around the home in advance, then directly be arranged insulation wire frame On stator teeth 12, so, just do not have to scene and carry out coil around the home, thus on the one hand can improve processing efficiency, it is another Aspect can also make coil around the home more neat, it is thus possible to further improve the copper factor of motor, the efficiency of motor and The power density of motor.
Wherein it is preferred to which armature winding 16 is formed around the home by coil, coil is lenticular wire.
In this embodiment, using coil around be set to armature winding 16 when, coil preferably uses lenticular wire, so just can First lenticular wire is wound on insulation wire frame, wire frame straight cutting then will be insulated on the stator teeth, and can so solve lenticular wire turn-knob, lead Cause lenticular wire misaligned, winding overhang is high, and lenticular wire turn-knob insulation breakdown easily occurs and make it that electric machine winding manufacture yields is low The problem of.In addition, coil preferably uses lenticular wire, motor slot utilization rate improves 20% compared to existing circular electromagnetic wire scheme, because And it can further improve the power density of motor copper factor, the efficiency of motor and motor.
As shown in fig. 6, the embodiment of second aspect of the present invention provides a kind of motor, it is any that the motor includes first aspect The motor stator 1 that item embodiment provides；Rotor 2, in the rotor hole 122 of the stator teeth 12 of motor stator 1.
The motor provided according to an embodiment of the invention, there is the motor stator 1 that first aspect any embodiment provides, because This, embodiments of the invention provide motor have first aspect any embodiment provide motor stator 1 all beneficial to imitate Fruit, it is numerous to list herein.
The embodiment of third aspect present invention provides a kind of compressor, and the compressor, which includes any one of first aspect, to be implemented The motor that example provides.
The compressor provided according to an embodiment of the invention, there is the motor that first aspect any embodiment provides, therefore, The compressor that embodiments of the invention provide has whole beneficial effects of the motor of first aspect any embodiment offer, herein Do not enumerate.
In the description of this specification, term " connection ", " installation ", " fixation " etc. all should be interpreted broadly, for example, " even Connect " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also be in Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be Concrete meaning in invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with Suitable mode combines.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. motor stator, it is characterised in that including：
    Stator teeth, is provided with rotor hole on the stator teeth, the stator teeth it is circumferentially-spaced be provided with it is multiple fixed Sub- tooth；
    Stator yoke, receiving hole is provided with the stator yoke, and the stator yoke is set in described by the receiving hole On stator teeth, be arranged at intervals with multiple recesses in the side wall of the receiving hole, be between the two neighboring recess with it is described The auxiliary section that stator tooth coordinates；
    Armature winding, in the receiving hole, and around the home on the multiple stator tooth；
    Wherein, the stator teeth and the stator yoke are split-type structural, between the stator teeth and the receiving hole To be interference fitted, and a diameter of D1 of the stator teeth at the stator tooth, the stator yoke and the stator tooth phase A diameter of D2 of the part mutually coordinated, wherein, 0mm ＜ D1-D2≤0.1mm.
  2. 2. motor stator according to claim 1, it is characterised in that
    The stator yoke is set on the stator teeth by hot cover process interference.
  3. 3. motor stator according to claim 1, it is characterised in that
    The recess is in plane or cambered surface；And/or
    The end shape of the stator tooth is in plane or cambered surface, the shape of the auxiliary section and the end shape phase of the stator tooth Mutually adaptation.
  4. 4. motor stator according to claim 1, it is characterised in that
    The stator teeth is formed by stacking by multiple silicon steel plates；
    The two neighboring stator tooth is connected by crown, and smallest radial width of the stator teeth at the crown is more than The thickness of the silicon steel plate.
  5. 5. motor stator according to any one of claim 1 to 4, it is characterised in that
    The quantity of the multiple stator tooth is 6 or 9 or 12, during multiple stator tooths are in the center of the rotor hole Heart symmetry arrangement.
  6. 6. motor stator according to any one of claim 1 to 4, it is characterised in that
    The stator teeth and the stator yoke are made by silicon steel plate；Or
    The stator teeth and the stator yoke are made up of same silicon steel plate.
  7. 7. motor stator according to any one of claim 1 to 4, it is characterised in that also include：
    Insulate wire frame, can be set on the stator tooth, and the armature winding insulate on wire frame described around the home.
  8. 8. motor stator according to claim 7, it is characterised in that
    The armature winding is formed around the home by coil, and the coil is lenticular wire.
  9. A kind of 9. motor, it is characterised in that including：
    Motor stator as any one of claim 1 to 8；
    Rotor, in the rotor hole of the stator teeth of the motor stator.
  10. 10. a kind of compressor, it is characterised in that including the motor described in claim 9.
CN201710749998.9A 2017-08-28 2017-08-28 Motor stator, motor and compressor Active CN107425624B (en)

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CN107425624B CN107425624B (en) 2023-09-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110768501A (en) * 2019-10-10 2020-02-07 珠海格力电器股份有限公司 Efficient stator core, stator assembling and forming method, motor and air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007104879A (en) * 2005-10-07 2007-04-19 Sumitomo Electric Ind Ltd Split core for dynamo-electric machine, and stator using that split core
CN204741349U (en) * 2015-05-15 2015-11-04 温岭市宇海机电有限公司 Split combined type motor stator
CN207134885U (en) * 2017-08-28 2018-03-23 广东美芝制冷设备有限公司 motor stator, motor and compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007104879A (en) * 2005-10-07 2007-04-19 Sumitomo Electric Ind Ltd Split core for dynamo-electric machine, and stator using that split core
CN204741349U (en) * 2015-05-15 2015-11-04 温岭市宇海机电有限公司 Split combined type motor stator
CN207134885U (en) * 2017-08-28 2018-03-23 广东美芝制冷设备有限公司 motor stator, motor and compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110768501A (en) * 2019-10-10 2020-02-07 珠海格力电器股份有限公司 Efficient stator core, stator assembling and forming method, motor and air conditioner

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