CN107359707A - Core assembly, motor stator, motor and compressor - Google Patents

Core assembly, motor stator, motor and compressor Download PDF

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Publication number
CN107359707A
CN107359707A CN201710750201.7A CN201710750201A CN107359707A CN 107359707 A CN107359707 A CN 107359707A CN 201710750201 A CN201710750201 A CN 201710750201A CN 107359707 A CN107359707 A CN 107359707A
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CN
China
Prior art keywords
groove
iron core
dowel
rivet
core
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
CN201710750201.7A
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Chinese (zh)
Other versions
CN107359707B (en
Inventor
陈汉锡
孙国伟
邱小华
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
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Filing date
Publication date
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Priority to CN201710750201.7A priority Critical patent/CN107359707B/en
Publication of CN107359707A publication Critical patent/CN107359707A/en
Application granted granted Critical
Publication of CN107359707B publication Critical patent/CN107359707B/en
Active legal-status Critical Current
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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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • 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)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The invention provides a kind of core assembly, motor stator, motor and compressor, core assembly includes：Iron core, it is overrided to form by multi-disc steel plate, to iron core sunken inside and the 3rd groove and the 4th groove is formed to iron core sunken inside and the first groove of formation and the second groove, its both sides being oppositely arranged in addition on its both sides being oppositely arranged；Plastic packaging skeleton, including the first end plate being arranged on the one end of iron core, the second end plate being arranged on the other end of iron core and it is arranged between first end plate and the second end plate and is fitted in multiple dowels on the sidepiece of iron core, multiple dowels includes the first dowel being arranged in the first groove, the second dowel and the 3rd dowel being arranged in the 3rd groove and the 4th dowel being arranged in the 4th groove that are arranged in the second groove.The technical scheme can prevent iron core from occurring offseting between sheet steel in coiling by plastic packaging skeleton, by setting multiple grooves and dowel, can strengthen the intensity of plastic packaging skeleton.

Description

Core assembly, motor stator, motor and compressor
Technical field
The present invention relates to household appliance technical field, more specifically, is related to a kind of core assembly, motor stator, motor and pressure Contracting machine.
Background technology
With national energy-saving emission reduction requirement and the increasingly raising of people's environmental consciousness, market is to air-conditioning and its uses compression The efficiency requirement of machine is also synchronous to improve, i.e., also has tightened up requirement to the efficiency of compressor core assembly.Core assembly makes With the structure of block stator iron core, by the way that iron core development to be carried out to the coiling of coil windings, finally again by with coil windings Core assembly is spliced into one-piece stator, and the copper factor of core assembly is increased substantially with this.And in the prior art, to ensure iron Core assembly occurs without the iron core caused by being offset between sheet steel in coil winding process and deformed, and iron core need to have sufficient folded Riveting intensity, and in the prior art, the V-arrangement rivet that every piece of core assembly is both needed to 3 or more is fixed, and because V-arrangement rivet rivets Depth is 1.5 times -2 times of steel plate thickness, and sheet steel sections can be broken so that steel plate interlayer conduction, multi-disc steel plate and big face at riveting Long-pending interlayer conduction causes iron core vortex iron loss significantly to rise, and core assembly efficiency is by degradation.Although core assembly is also Core assembly work effect can be improved in a manner of improving power density increasing rotor number of poles and greatly improving rotating speed Rate, but because both the above mode can all bring the significantly rising of iron core iron loss, have impact on the lifting effect of core assembly efficiency Fruit, therefore how to reduce core assembly iron loss is urgent problem.
Therefore, how to propose that a kind of core assembly that can reduce core assembly iron loss turns into urgently to be resolved hurrily at present and asked Topic.
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 core assembly.
It is a further object of the invention to provide a kind of motor stator for including above-mentioned core assembly.
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 core assembly, including：Iron core, it is described Iron core is overrided to form by multi-disc steel plate, to the iron core sunken inside and is formed first recessed on the both sides that the iron core is oppositely arranged Groove and the second groove, the both sides that the iron core is oppositely arranged in addition to the iron core sunken inside and form the 3rd groove and the 4th Groove；Plastic packaging skeleton, the plastic packaging skeleton include first end plate, the second end plate and multiple dowels, wherein, the first end plate It is arranged on the end of one end of the iron core, it is described on the end for the other end that second end plate is arranged on the iron core Multiple dowels are arranged between the first end plate and second end plate, and are fitted on the sidepiece of the iron core, described Multiple dowels include the first dowel being arranged in first groove, the second connection being arranged in second groove Muscle and the 3rd dowel being arranged in the 3rd groove and the 4th dowel being arranged in the 4th groove.
The core assembly provided according to an embodiment of the invention, by being provided with plastic packaging skeleton on iron core, so as to Fixation between multiple steel discs of iron core is realized by plastic packaging skeleton, and then can prevent iron core from occurring in coiling between sheet steel The situation of skew occurs, accordingly ensure that the performance of core assembly.And the dowel of plastic packaging skeleton, for reinforcing the side of iron core Portion, so as to prevent iron core from diametrically misplacing, on the one hand the first end plate of plastic packaging skeleton and the second end plate are used for secured core Two ends in the axial direction, it is on the other hand integral for enabling multiple dowels to connect.This kind of scheme can utilize plastic packaging Skeleton substitutes the effect of 3 or more V-arrangement rivets in the prior art, therefore motor eddy-current loss can be greatly reduced, and then i.e. Electric efficiency can be improved.And the both sides for being oppositely arranged iron core, such as the left and right sides cave inward and form the first groove and the Two grooves, on the other hand can be respectively in the first groove so as on the one hand can be by wire around the home in the first groove and the second groove With one first dowel and the second dowel are set respectively in the second groove, so as to strengthen the intensity of plastic packaging skeleton, meanwhile, Can be on the both sides that iron core is oppositely arranged in addition, for example the 3rd groove and the 4th groove are set on front and rear side, and in the 3rd groove One the 3rd dowel of interior setting, sets the 4th dowel, so as to further strengthen the intensity of plastic packaging skeleton in the 4th groove. Meanwhile the 3rd groove and the 4th groove are set, iron core can be prevented when mounted, interfered with other parts of motor.In addition, Iron core is preferably symmetrical structure, can so make the structure of iron core simpler, thus more preferable processing.
In addition, the core assembly 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 iron core and the plastic packaging skeleton integrated injection molding.
In the technical scheme, iron core and plastic packaging skeleton are preferably molded by way of injection, so can ensure that plastic packaging Bonding strength between skeleton and iron core, thus can be more firm by what is fixed between multiple steel discs.
In any of the above-described technical scheme, it is preferable that the thickness of first dowel and/or second dowel is big It is less than or equal in equal to 0.2mm, or the thickness of first dowel and/or second dowel more than or equal to 0.2mm 1.0mm。
In those technical schemes, the thickness of the first dowel and/or the second dowel is unsuitable too small, otherwise can cause to add Work difficulty is big, it is therefore preferred that 0.2mm can be more than or equal to by what the thickness of the first dowel and/or the second dowel was set, Certainly, also 0.2mm can be more than or equal to by what the thickness of the first dowel and/or the second dowel was set, but preferably, by first What the thickness of dowel and/or the second dowel was set is less than or equal to 1.0mm more than or equal to 0.2mm, can so make the first company Connect that the difficulty of processing of muscle and/or the second dowel is little, the thickness mistake of the first dowel and/or the second dowel can be prevented again Thickness, and then the volume of iron core can be reduced as far as possible.Further, since be provided with the sidepiece of iron core the first groove for caving inward and Second groove, therefore, it is less than or equal to what the thickness of the first dowel and/or the second dowel was set more than or equal to 0.2mm It 1.0mm, can also prevent that the first dowel and/or the second dowel are blocked up, and cause the first groove and the too small feelings of the second groove Condition occurs, thus can improve copper factor, the size of the first groove and the second groove is increased, to facilitate wire around the home.
Wherein, the thickness of the 3rd dowel and the thickness of the 4th dowel can be according to the sizes of the 3rd groove and the 4th groove Choose at random.
In any of the above-described technical scheme, it is preferable that the arbitrary neighborhood two panels steel plate of the iron core is riveted on by rivet Together.
In the technical scheme, two steel plates of arbitrary neighborhood can be pre-fixed together by rivet, made by this way The iron core that must be produced is a global facility, so that iron core does not need extra fixing tool to be noted thereon Mould to form plastic packaging skeleton.
In any of the above-described technical scheme, it is preferable that the rivet is cylindricality rivet, and the depth of the cylindricality rivet is H, Any steel plate thickness is d, wherein, 0.5d≤H≤1.0d.
In those technical schemes, rivet is preferably cylindricality rivet, because cylindricality rivet riveting depth is shallower, so as to Reduce deflection of the steel plate in rivet of iron core, so as in rivet, reduce destruction to the insulating barrier of steel plate and Enable to steel plate interlayer conduction smaller, therefore iron core vortex iron loss also can be relatively low.In addition here what deserves to be explained is, due to iron It is finally finally to be fixed by plastic packaging skeleton to realize between multiple steel plates of core.Therefore, although cylindricality rivet rivets depth It is shallower, but it can pre-fix adjacent two panels steel plate in iron core completely, so as to can by multiple Interal fixations into a global facility, To be subsequently directly molded on iron core to form plastic packaging skeleton.Wherein, the depth H of cylindricality rivet is not easy too deep, otherwise Steel plate iron loss can be caused more, meanwhile, the depth H of cylindricality rivet was not easy shallow, and rivet is not between otherwise causing two steel plates It is firm.It is therefore preferred that can be between 0.5-1 times of the H thickness that is arranged on steel plate by the depth of cylindricality rivet.
In above-mentioned another technical scheme, it is preferable that the rivet is V-arrangement rivet.Under the principle for realizing rivet, also may be used It will be riveted together between arbitrary neighborhood two panels steel plate by V-arrangement rivet.
In any of the above-described technical scheme, it is preferable that the rivet is cylindricality rivet, and the end face of the cylindricality rivet is in circle Shape.
In those technical schemes, when rivet is cylindricality rivet, the end face of cylindricality rivet is preferably circular, because circular Area is smaller, so that the deformation of steel plate is small, so as to reduce iron loss.
In any of the above-described technical scheme, it is preferable that the quantity of the 3rd groove is one or more, and the described 3rd is recessed The quantity of groove for it is multiple when, multiple 3rd grooves be located at the same side of the iron core, the quantity of the 3rd dowel and The quantity of 3rd groove is consistent, and is provided with the 3rd dowel in multiple 3rd grooves；It is and/or described The quantity of 4th groove is one or more, and when the quantity of the 4th groove is multiple, multiple 4th grooves are located at institute The same side of iron core is stated, the quantity of the 4th dowel is consistent with the quantity of the 4th groove, and multiple described 4th recessed The 4th dowel is provided with groove.
In those technical schemes, one or more 3rd grooves can be set in the unilateral of iron core, so as to each One the 3rd dowel is respectively provided with individual 3rd groove, so as to strengthen the strong of plastic packaging skeleton using more 3rd dowels Degree.Similarly, one or more 4th grooves can be also set on the opposite side of iron core, so as in each the 4th groove One the 4th dowel is inside respectively provided with, so as to strengthen the intensity of plastic packaging skeleton using more 4th dowels.
In any of the above-described technical scheme, it is preferable that the iron core is axially symmetric structure, first groove and described Two grooves are symmetrical arranged on the symmetry axis of the iron core；And/or the iron core is axially symmetric structure, the 3rd groove and institute When the quantity for stating the 4th groove is one, the 3rd groove and the 4th groove are located on the symmetry axis of the iron core, institute State the quantity of the 3rd groove and the 4th groove for it is multiple when, multiple 3rd grooves and/or multiple 4th grooves Symmetry axis on the iron core is symmetrical arranged.
, can be by the first groove, the second groove, one or more 3rd grooves, one or more in those technical schemes 4th groove is symmetrical arranged on iron core, so just can be by iron core into axially symmetric structure is arranged to, so as to just make iron The structure of core is simpler, so that iron core is more preferably processed.
In any of the above-described technical scheme, it is preferable that the plastic packaging skeleton is mixed by insulating materials and glass fibre.
In those technical schemes, plastic packaging skeleton is preferably mixed by insulating materials and glass fibre, wherein, insulation material Material causes plastic packaging skeleton to have insulating properties, therefore, does not have to increase insulating materials between wire and iron core again after coiling, from And the process for inserting multiple insulating materials can be removed from, and then motor manufacturing efficiency can be improved.And glass fibre can strengthen modeling The intensity of skeleton is sealed, it can thus be ensured that plastic packaging skeleton will not be fractureed easily.
In any of the above-described technical scheme, it is preferable that the insulating materials is PBT (poly- to stupid dioctyl phthalate butanediol fat, custom Claim polyester resin), PET (poly- to stupid dioctyl phthalate ethylene glycol fat, be commonly called as polyester resin), PPS (gathering stupid vulcanization ether) or LCP (liquid crystal Polymer).
In those technical schemes, insulating materials can be any in PBT, PET, PPS and LCP, because, PBT, PET, PPS and LCP are relatively common materials, thus are easy to purchase, and above material not with compressor refrigerant and refrigerator Oil produces chemical reaction or physical reactions, thus can prevent storeroom of the plastic packaging skeleton at work with compressor from mutually disturbing.This Outside, PBT, PET, PPS and LCP insulating properties are all preferable, it is thus possible to ensure the insulating properties of plastic packaging skeleton.
The embodiment of second aspect of the present invention provides a kind of motor stator, and the motor stator includes any one of first aspect The core assembly that embodiment provides；Wire, around the home on the core assembly, and around being equipped with one on each core assembly The wire.
The motor stator provided according to an embodiment of the invention, there is the iron core group that first aspect any embodiment provides Part, therefore, the motor stator that embodiments of the invention provide have the complete of the core assembly of first aspect any embodiment offer Portion's beneficial effect, it is numerous to list herein.
The embodiment of third aspect present invention provides a kind of motor, and the motor includes rotor and second aspect is any The motor stator that item embodiment provides.
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 fourth 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 the structural representation of the iron core of the core assembly provided according to one embodiment of the invention；
Fig. 2 is the structural representation of the iron core of the core assembly provided according to another embodiment of the present invention；
Fig. 3 is the structural representation of the plastic packaging skeleton of the core assembly provided according to one embodiment of the invention；
The structural representation for the core assembly that Fig. 4 provides according to one embodiment of the invention；
Another structural representation for the core assembly that Fig. 5 provides according to one embodiment of the invention；
One structural representation of the core assembly that Fig. 6 provides according to another embodiment of the present invention；
The part-structure schematic diagram for the motor stator that Fig. 7 provides according to embodiments of the invention；
The structural representation for the motor stator that Fig. 8 provides according to embodiments of the invention；
Fig. 9 is the structural representation of the cylindricality rivet for the core assembly that embodiments of the invention provide；
Figure 10 is another structural representation of the cylindricality rivet for the core assembly that embodiments of the invention provide；
Figure 11 is the structural representation of the V-arrangement rivet for the core assembly that embodiments of the invention provide；
Figure 12 is another structural representation of the V-arrangement rivet for the core assembly that embodiments of the invention provide；
Figure 13 is the structural representation for the compression that embodiments of the invention provide.
Wherein, the corresponding relation between the reference in Fig. 1 to Figure 13 and component names is：
1 iron core, 12 first grooves, 14 second grooves, 16 the 3rd grooves, 18 the 4th grooves, 2 plastic packaging skeletons, 22 First end plate, 24 second end plates, 26 dowels, 262 first dowels, 264 second dowels, 266 the 3rd dowels, 268 the 4th dowels, 3 cylindricality rivets, 4 wires, 5 V-arrangement rivets, 6 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 core assembly 1, electronics and the pressure that there is provided according to one embodiment of present invention are described referring to Fig. 1 to Figure 13 Contracting machine.
As shown in Figures 1 to 12, first aspect present invention embodiment provides a kind of core assembly, including：Iron core 1, such as Shown in Fig. 1, iron core 1 is overrided to form by multi-disc steel plate, and to the sunken inside of iron core 1 and the is formed on the both sides that iron core 1 is oppositely arranged One groove 12 and the second groove 14, the both sides that iron core 1 is oppositely arranged in addition to the sunken inside of iron core 1 and form the He of the 3rd groove 16 4th groove 18；Plastic packaging skeleton 2, as shown in figure 3, plastic packaging skeleton 2 includes first end plate 22, the second end plate 24 and multiple dowels 26, wherein, as shown in figure 4, first end plate 22 is arranged on the end of one end of iron core 1, the second end plate 24 is arranged on iron core 1 On the end of the other end, multiple dowels 26 are arranged between the end plate 24 of first end plate 22 and second, and are fitted in the side of iron core 1 In portion, as shown in Figure 5 and Figure 6, multiple dowels 26 include be arranged in the first groove 12 the first dowel 262, be arranged on The second dowel 264 in second groove 14 and the 3rd dowel 266 being arranged in the 3rd groove 16 and it is arranged on the 4th The 4th dowel 268 in groove 18.
The core assembly provided according to an embodiment of the invention, by being provided with plastic packaging skeleton 2 on iron core 1, so as to It is enough that fixation between multiple steel discs of iron core 1 is realized by plastic packaging skeleton 2, and then can prevent iron core 1 from steel occur in coiling Situation about being offset between plate occurs, accordingly ensure that the performance of core assembly.And the dowel 26 of plastic packaging skeleton 2, for reinforcing The sidepiece of iron core 1, so as to prevent iron core 1 from diametrically misplacing, the side of 22 and second end plate of first end plate 24 1 of plastic packaging skeleton 2 Face is used for two ends of secured core 1 in the axial direction, on the other hand integral for enabling multiple dowels 26 to connect.Should Kind scheme can substitute the effect of 3 or more V-arrangement rivets 5 in the prior art using plastic packaging skeleton 2, therefore electricity can be greatly reduced Machine eddy-current loss, and then electric efficiency can be improved.And the both sides for being oppositely arranged iron core 1, such as the left and right sides cave inward And the first groove 12 and the second groove 14 are formed, so as to which one side can be by wire 4 around the home in the first groove 12 and the second groove 14 It is interior, on the other hand one first dowel 262 and the second connection can be set respectively in the first groove 12 and the second groove 14 respectively Muscle 264, so as to strengthen the intensity of plastic packaging skeleton 2, meanwhile, can be such as front and rear on the both sides that iron core 1 is oppositely arranged in addition 3rd groove 16 and the 4th groove 18 are set on side, and one the 3rd dowel 266 is set in the 3rd groove 16, in the 4th groove 4th dowel 268 is set in 18, so as to further strengthen the intensity of plastic packaging skeleton 2.Meanwhile the 3rd groove 16 and the are set Four grooves 18, can prevent iron core 1 when mounted, be interfered with other parts of motor.In addition, iron core 1 is preferably symmetrical junction Structure, it can so make the structure of iron core 1 simpler, thus more preferable processing.
In the above embodiment, it is preferable that iron core 1 and the integrated injection molding of plastic packaging skeleton 2.
In this embodiment, iron core 1 and plastic packaging skeleton 2 are preferably molded by way of injection, so can ensure that plastic packaging Bonding strength between skeleton 2 and iron core 1, thus can be more firm by what is fixed between multiple steel discs.
In any of the above-described embodiment, it is preferable that the thickness of the first dowel 262 and/or the second dowel 264 be more than etc. It is less than or equal to 1.0mm more than or equal to 0.2mm in 0.2mm, or the thickness of the first dowel 262 and/or the second dowel 264.
In those embodiments, the thickness of the first dowel 262 and/or the second dowel 264 is unsuitable too small, otherwise can lead Cause difficulty of processing big, it is therefore preferred that can be more than what the thickness of the first dowel 262 and/or the second dowel 264 was set Equal to 0.2mm, certainly, can also be more than or equal to what the thickness of the first dowel 262 and/or the second dowel 264 was set 0.2mm, but preferably, be less than what the thickness of the first dowel 262 and/or the second dowel 264 was set more than or equal to 0.2mm It equal to 1.0mm, can so make the difficulty of processing of the first dowel 262 and/or the second dowel 264 little, can be prevented again The thickness of one dowel 262 and/or the second dowel 264 is blocked up, and then can reduce the volume of iron core 1 as far as possible.Further, since The first groove 12 and the second groove 14 to cave inward is provided with the sidepiece of iron core 1, therefore, by the first dowel 262 and/or What the thickness of the second dowel 264 was set is less than or equal to 1.0mm more than or equal to 0.2mm, can also prevent the first dowel 262 with/ Or second dowel 264 it is blocked up, and cause the first groove 12 and the too small situation of the second groove 14 to occur, thus groove can be improved Full rate, the size of the first groove 12 and the second groove 14 is increased, to facilitate wire 4 around the home.
Wherein, the thickness of the thickness of the 3rd dowel 266 and the 4th dowel 268 can be recessed according to the 3rd groove 16 and the 4th The size of groove 18 chooses at random.
In any of the above-described embodiment, it is preferable that as shown in Figure 1, Figure 2 with shown in Fig. 9 to Figure 12, the arbitrary neighborhood two of iron core 1 Piece steel plate is riveted together by rivet.
In this embodiment, two steel plates of arbitrary neighborhood can be pre-fixed together by rivet, caused by this way The iron core 1 produced is a global facility, so that iron core 1 does not need extra fixing tool to be noted thereon Mould to form plastic packaging skeleton 2.
In any of the above-described embodiment, it is preferable that as shown in Figure 1, Figure 2, shown in Fig. 9 and Figure 10, rivet is cylindricality rivet 3, post The depth of shape rivet 3 is H, and any steel plate thickness is d, wherein, 0.5d≤H≤1.0d.
In those embodiments, rivet is preferably cylindricality rivet 3, because the riveting of cylindricality rivet 3 depth is shallower, so as to Reduce deflection of the steel plate in rivet of iron core 1, so as in rivet, reduce destruction to the insulating barrier of steel plate and Enable to steel plate interlayer conduction smaller, therefore the vortex iron loss of iron core 1 also can be relatively low.In addition here what deserves to be explained is, due to It is finally finally to be fixed by plastic packaging skeleton 2 to realize between multiple steel plates of iron core 1.Therefore, although cylindricality rivet 3 rivets Depth is shallower, but it can pre-fix adjacent two panels steel plate in iron core 1 completely, so as to can be by multiple Interal fixations into an entirety Part, to be subsequently directly molded on iron core 1 to form plastic packaging skeleton 2.Wherein, the depth H of cylindricality rivet 3 was not easy It is deep, steel plate iron loss otherwise can be caused more, meanwhile, the depth H of cylindricality rivet 3 be not easy it is shallow, otherwise can cause two steel plates it Between rivet it is not firm.It is therefore preferred that can be between 0.5-1 times of the H thickness that is arranged on steel plate by the depth of cylindricality rivet 3.
In above-mentioned another embodiment, it is preferable that as is illustrated by figs. 11 and 12, rivet is V-arrangement rivet 5.Realizing rivet Principle under, will can be also riveted together between arbitrary neighborhood two panels steel plate by V-arrangement rivet 5.
In any of the above-described embodiment, it is preferable that as shown in Figure 1, Figure 2, shown in Fig. 9 and Figure 10, rivet is cylindricality rivet 3, post The end face of shape rivet 3 is rounded.
In those embodiments, when rivet is cylindricality rivet 3, the end face of cylindricality rivet 3 is preferably circular, because circular Area is smaller, so that the deformation of steel plate is small, so as to reduce iron loss.
In any of the above-described embodiment, it is preferable that as shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, the quantity of the 3rd groove 16 is one It is individual, certainly, the quantity of the 3rd groove 16 be alternatively it is multiple, the quantity of the 3rd groove 16 for it is multiple when, multiple 3rd grooves 16 In the same side of iron core 1, the quantity of the 3rd dowel 266 is consistent with the quantity of the 3rd groove 16, and in multiple 3rd grooves 16 It is provided with one the 3rd dowel 266；And/or as shown in Figure 1 and Figure 5, the quantity of the 4th groove 18 is for one or such as Fig. 2 and figure Shown in 6, the quantity of the 4th groove 18 is multiple, and when the quantity of the 4th groove 18 is multiple, multiple 4th grooves 18 are located at iron core 1 The same side, the quantity of the 4th dowel 268 is consistent with the quantity of the 4th groove 18, and is provided with multiple 4th grooves 18 One the 4th dowel 268.
In those embodiments, one or more 3rd grooves 16 can be set in the unilateral of iron core 1, so as to each One the 3rd dowel 266 is respectively provided with individual 3rd groove 16, so as to strengthen plastic packaging using more 3rd dowels 266 The intensity of skeleton 2.Similarly, one or more 4th grooves 18 can be also set on the opposite side of iron core 1, so as to each One the 4th dowel 268 is respectively provided with individual 4th groove, so as to strengthen plastic packaging using more 4th dowels 268 The intensity of skeleton 2.
In any of the above-described embodiment, it is preferable that as shown in Figures 1 to 8, iron core 1 is axially symmetric structure, the first groove 12 It is symmetrical arranged with the second groove 14 on the symmetry axis of iron core 1；And/or iron core 1 is axially symmetric structure, the 3rd groove 16 and the 4th When the quantity of groove 18 is one, the 3rd groove 16 and the 4th groove 18 are located on the symmetry axis of iron core 1, the 3rd groove 16 and the When the quantity of four grooves 18 is multiple, the symmetrical axial symmetry of multiple 3rd grooves 16 and/or multiple 4th grooves 18 on iron core 1 Set.
In those embodiments, can by the first groove 12, the second groove 14, one or more 3rd groove 16, one or Multiple 4th grooves 18 are symmetrical arranged on iron core 1, so just can be by iron core 1 into axially symmetric structure is arranged to, so as to just The structure of iron core 1 can be made simpler, so that iron core 1 is more preferably processed.
In any of the above-described embodiment, it is preferable that plastic packaging skeleton 2 is mixed by insulating materials and glass fibre.
In those embodiments, plastic packaging skeleton 2 is preferably mixed by insulating materials and glass fibre, wherein, insulation material Material causes plastic packaging skeleton 2 to have insulating properties, therefore, does not have to increase insulation material between wire 4 and iron core 1 again after coiling Material, so as to remove the process for inserting multiple insulating materials from, and then can improve motor manufacturing efficiency.And glass fibre can increase The intensity of strong plastic packaging skeleton 2, it can thus be ensured that plastic packaging skeleton 2 will not be fractureed easily.
In any of the above-described embodiment, it is preferable that insulating materials is that PBT (gathers to stupid dioctyl phthalate butanediol fat, is commonly called as terylene Resin), PET (poly- to stupid dioctyl phthalate ethylene glycol fat, be commonly called as polyester resin), PPS (gathering stupid vulcanization ether) or LCP (polymerizable mesogenics Thing).
In those embodiments, insulating materials can be any in PBT, PET, PPS and LCP, because, PBT, PET, PPS and LCP are relatively common materials, thus are easy to purchase, and above material not with compressor refrigerant and refrigerator Oil produces chemical reaction or physical reactions, thus can prevent storeroom of the plastic packaging skeleton 2 at work with compressor from mutually disturbing.This Outside, PBT, PET, PPS and LCP insulating properties are all preferable, it is thus possible to ensure the insulating properties of plastic packaging skeleton 2.
As shown in Figure 7 and Figure 8, the embodiment of second aspect of the present invention provides a kind of motor stator, the motor stator bag The core assembly of any one of first aspect embodiment offer is provided；Wire 4, around the home on core assembly, and on each core assembly Around being equipped with a wire 4.
The motor stator provided according to an embodiment of the invention, there is the iron core group that first aspect any embodiment provides Part, therefore, the motor stator that embodiments of the invention provide have the complete of the core assembly of first aspect any embodiment offer Portion's beneficial effect, it is numerous to list herein.
As shown in figure 13, the embodiment of third aspect present invention provides a kind of motor, and the motor includes the He of rotor 6 The motor stator that any one of second aspect embodiment provides.
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.
As shown in figure 13, the embodiment of fourth aspect present invention provides a kind of compressor, and the compressor includes first party The motor that any one of face embodiment 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 (12)

  1. A kind of 1. core assembly, for motor stator, it is characterised in that including：
    Iron core, the iron core are overrided to form by multi-disc steel plate, and the both sides that the iron core is oppositely arranged are to the iron core sunken inside And the first groove and the second groove are formed, the both sides that the iron core is oppositely arranged in addition to the iron core sunken inside and form the Three grooves and the 4th groove；
    Plastic packaging skeleton, the plastic packaging skeleton include first end plate, the second end plate and multiple dowels, wherein, the first end plate It is arranged on the end of one end of the iron core, it is described on the end for the other end that second end plate is arranged on the iron core Multiple dowels are arranged between the first end plate and second end plate, and are fitted on the sidepiece of the iron core, described Multiple dowels include the first dowel being arranged in first groove, the second connection being arranged in second groove Muscle and the 3rd dowel being arranged in the 3rd groove and the 4th dowel being arranged in the 4th groove.
  2. 2. core assembly according to claim 1, it is characterised in that
    The iron core and the plastic packaging skeleton integrated injection molding；And/or
    The thickness of first dowel and/or second dowel is more than or equal to 0.2mm, or first dowel and/ Or the thickness of second dowel is less than or equal to 1.0mm more than or equal to 0.2mm.
  3. 3. core assembly according to claim 1, it is characterised in that
    The arbitrary neighborhood two panels steel plate of the iron core is riveted together by rivet.
  4. 4. core assembly according to claim 3, it is characterised in that
    The rivet is cylindricality rivet, and the depth of the cylindricality rivet is H, and any steel plate thickness is d, wherein, 0.5d≤H ≤1.0d；Or
    The rivet is V-arrangement rivet.
  5. 5. core assembly according to claim 4, it is characterised in that
    The rivet is cylindricality rivet, and the end face of the cylindricality rivet is rounded.
  6. 6. core assembly according to any one of claim 1 to 5, it is characterised in that
    The quantity of 3rd groove is one or more, and when the quantity of the 3rd groove is multiple, multiple described three is recessed Groove is located at the same side of the iron core, and the quantity of the 3rd dowel is consistent with the quantity of the 3rd groove, and multiple institutes State and the 3rd dowel is provided with the 3rd groove；And/or
    The quantity of 4th groove is one or more, and when the quantity of the 4th groove is multiple, multiple described four is recessed Groove is located at the same side of the iron core, and the quantity of the 4th dowel is consistent with the quantity of the 4th groove, and multiple institutes State and the 4th dowel is provided with the 4th groove.
  7. 7. core assembly according to claim 6, it is characterised in that
    The iron core is axially symmetric structure, and first groove and second groove are set on the symmetrical axial symmetry of the iron core Put；And/or
    The iron core is axially symmetric structure, and when the quantity of the 3rd groove and the 4th groove is one, the described 3rd is recessed Groove and the 4th groove are located on the symmetry axis of the iron core, and the quantity of the 3rd groove and the 4th groove is multiple When, multiple 3rd grooves and/or multiple 4th grooves are symmetrical arranged on the symmetry axis of the iron core.
  8. 8. core assembly according to any one of claim 1 to 5, it is characterised in that
    The plastic packaging skeleton is mixed by insulating materials and glass fibre.
  9. 9. core assembly according to claim 8, it is characterised in that the insulating materials is PBT, PET, PPS or LCP.
  10. A kind of 10. motor stator, it is characterised in that including：
    At least one core assembly as claimed in any one of claims 1-9 wherein；
    Wire, around the home on the core assembly, and around being equipped with a wire on each core assembly.
  11. 11. a kind of motor, it is characterised in that including rotor and motor stator as claimed in claim 10.
  12. 12. a kind of compressor, it is characterised in that including the motor described in claim 11.
CN201710750201.7A 2017-08-28 2017-08-28 Iron core assembly, motor stator, motor and compressor Active CN107359707B (en)

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CN114243956A (en) * 2021-12-16 2022-03-25 珠海格力电器股份有限公司 Motor stator, motor and compressor

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CN114243956A (en) * 2021-12-16 2022-03-25 珠海格力电器股份有限公司 Motor stator, motor and compressor

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