CN207410126U - Stator core stamping sheet, stator core, stator, motor and rotary compressor - Google Patents

Stator core stamping sheet, stator core, stator, motor and rotary compressor Download PDF

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Publication number
CN207410126U
CN207410126U CN201721602655.1U CN201721602655U CN207410126U CN 207410126 U CN207410126 U CN 207410126U CN 201721602655 U CN201721602655 U CN 201721602655U CN 207410126 U CN207410126 U CN 207410126U
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China
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flat
stator core
bottom slot
slot
stator
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CN201721602655.1U
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Chinese (zh)
Inventor
余国优
齐秀秀
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Guangdong Meizhi Compressor Co Ltd
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Guangdong Meizhi Compressor Co Ltd
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Abstract

The utility model is related to rotary compressor fields,Disclose a kind of stator core stamping sheet,Stator core,Stator,Motor and rotary compressor,Stator core stamping sheet includes ring body (1),A pair of of the trimming (13) being mutually parallel is provided on periphery wall,Multiple teeth portion (11) are arranged at intervals on internal perisporium,Line outlet groove (12) is formed between adjacent fingers,Line outlet groove includes multiple first flat-bottom slots (121) and multiple peariform slots (123),Multiple first flat-bottom slots correspond to trimming setting,It is equal using the yoke portion width at the trimming of the stator core of stator core stamping sheet manufacture,Flux density is uniform,It is not easily formed depth saturation,Trimming amount can suitably be increased in the case where ensureing that flux density meets requirement,Increase flow area,Improve oil return,The slot bottom leakage reactance of first flat-bottom slot is smaller,Be conducive to improve the comprehensive performance of motor,And the setting of multiple peariform slots makes offline simple and flute profile utilization rate high,Advantageously reduce manufacture cost.

Description

Stator core stamping sheet, stator core, stator, motor and rotary compressor
Technical field
The utility model is related to rotary compressor fields, more particularly to a kind of stator core stamping sheet, stator core, determine Son, motor and rotary compressor.
Background technology
In order to eliminate the higher hamonic wave in motor magnetic potential and ensure the circulation area in compression mechanism cold loop, it will usually Machine winding sineization simultaneously opens trimming on electric machine iron core, due to the single-phase asynchronous motor currently used for determining frequency rotary compressor Stator core generally there was only a kind of groove profile, peariform slot or flat-bottom slot, and circular arc is arranged at the lower part of peariform slot, this causes at trimming Stator yoke width differ, cause yoke portion flux density uneven, and the yoke portion width at slot bottom is minimum, so at slot bottom Yoke portion flux density is easily saturated, due to the yoke portion flux density amplitude maximum at the position of center line of single-phase asynchronous motor main winding, therefore It is easiest to forming depth saturation close to the yoke portion of slot bottom herein, makes the motor temperature rise at the position increase, influence the use of motor Performance, in addition, the circular arc of peariform slot is deeper, slot bottom leakage reactance is larger, can influence the starting torque and torque capacity of motor.It is and flat The slot bottom of slot is flat, and yoke portion is uniform, and flux density is also relatively uniform, while slot bottom leakage reactance is smaller, is more advantageous to the hair of motor performance Starting and torque capacity are waved and improve, but the utilization rate of flat-bottom slot is relatively low compared to peariform slot, and offline difficult and Life of Punch Die is poor, It increases manufacturing cost.In addition, conventional stator iron core also alternates the design of arrangement there are two types of groove profile, but also it is difficult to obtain life It produces efficient, circulation area properly and manufactures the lower-cost preferable comprehensive design of motor performance, can not preferably meet use Family demand.
Accordingly, there exist design a kind of stator core stamping sheet, stator iron that can be improved motor performance and reduce manufacture cost Core, stator, the needs of motor and rotary compressor.
Utility model content
The purpose of this utility model is to overcome motor performance existing in the prior art is poor or the problem of cost is higher, A kind of stator core stamping sheet is provided, which can improve motor performance and reduce manufacture cost.
The another object of the utility model is to provide for a kind of stator core for including said stator core stamping.
A further object of the utility model is to provide for a kind of stator for including said stator iron core.
The further object of the utility model is to provide for a kind of motor including said stator.
The another object of the utility model is to provide for a kind of rotary compressor for including above-mentioned motor.
To achieve these goals, on the one hand the utility model provides a kind of stator core stamping sheet, the stator core stamping Piece includes ring body, and a pair of of the trimming being mutually parallel is provided on the periphery wall of the ring body, the ring body Multiple teeth portion are arranged at intervals on internal perisporium, line outlet groove is formed between the adjacent teeth portion, the line outlet groove includes multiple first Flat-bottom slot and multiple peariform slots, multiple first flat-bottom slots correspond to the trimming and set.
Preferably, the radius of tangent circle is distinguished with the outer end face of first flat-bottom slot and the peariform slot for R1, R3, 0.945≤R1/R3≤0.985;And/or the outer end face of first flat-bottom slot and the peariform slot and the ring body Minimum range between periphery wall is respectively H1, H3,0.81≤H1/H3≤1.
Preferably, the line outlet groove includes the second flat-bottom slot, and second flat-bottom slot corresponds to pacifies on the ring body The position for filling main winding is set, and the peariform slot is arranged between adjacent first flat-bottom slot and second flat-bottom slot.
Preferably, the radius of the circle tangent with the outer end face of second flat-bottom slot be R2,0.965≤R2/R3≤ 0.995;And/or the minimum range between the outer end face of second flat-bottom slot and the periphery wall of the ring body be H2,1 ≤H2/H3≤1.1。
Preferably, the ring body is symmetrical on orthogonal first center line and the second center line, and described first Flat-bottom slot is close to first center line distribution, and second flat-bottom slot is close to the second center line distribution, and described the Teeth portion of one center line through first flat-bottom slot or adjacent first flat-bottom slot is set, and second center line is worn The teeth portion crossed between second flat-bottom slot or adjacent second flat-bottom slot is set.
Preferably, the trimming extends along the direction parallel to second center line, the length of side of the trimming be equal to or More than in first flat-bottom slot with continuously being set on the internal perisporium of the ring body outermost two it is described first flat The periphery of the corresponding ring bodies of center of circle angle α between the center line for two teeth portion being respectively connected on the outside of kerve Chord length;And/or the value range of the outer diameter of the ring body is 85~112mm.
The utility model second aspect provides a kind of stator core, the stator core include it is multiple be stacked it is upper The stator core stamping sheet stated.
The utility model third aspect provides a kind of stator core, the stator core include it is multiple be stacked it is upper The stator core stamping sheet stated.
The utility model fourth aspect provides a kind of stator, and the stator includes winding assembly and the utility model second party The stator core that face provides, the winding assembly are embedded in the line outlet groove;Or, the stator includes winding assembly and this practicality The stator core that the new third aspect provides, the winding assembly are embedded in the line outlet groove, and the winding assembly includes winding Center line is overlapped into 90 degree of main winding and auxiliary winding, the winding center line of the main winding with second center line.
The 5th aspect of the utility model provides a kind of motor, and the motor includes rotor assembly and above-mentioned stator, described Rotor assembly is arranged in the stator.
The 6th aspect of the utility model provides a kind of rotary compressor, and the rotary compressor includes above-mentioned electricity Machine.
In the above-mentioned technical solutions, since line outlet groove includes multiple first flat-bottom slots and multiple peariform slots, and multiple first Flat-bottom slot corresponds to trimming setting, makes the stator core using stator core stamping sheet manufacture, and the stator yoke at trimming is wide Spend equal, flux density is uniform, it is not easy to form depth saturation, can suitably increase in the case where ensureing that flux density meets requirement and cut Bian Liang increases flow area, improves oil return, and the slot bottom leakage reactance of the first flat-bottom slot is smaller, so as to be conducive to improve the comprehensive of motor Performance (such as improving starting and torque capacity) is closed, in addition, the setting of multiple peariform slots utilizes offline simple and flute profile Rate is high, advantageously reduces manufacture cost.
Description of the drawings
Fig. 1 is the structure diagram of the stator core stamping sheet of the utility model preferred embodiment;
Fig. 2 is the structure diagram of the stator core stamping sheet of another preferred embodiment of the utility model;
Fig. 3 is the structure diagram of the stator of the utility model preferred embodiment;
Fig. 4 is the structure diagram of the rotary compressor of the utility model preferred embodiment.
Reference sign
1 ring body, 11 teeth portion
12 line outlet groove, 13 trimming
121 first flat-bottom slot, 122 second flat-bottom slot
123 the first center lines of peariform slot X
10 winding assembly of the second center lines of Y
20 stator core, 100 rotor assembly
200 stator, 300 housing unit
301 upper housing component, 302 lower housing component
400 pump assembly, 500 liquid storage device assembly
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be appreciated that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the utility model in the case where not making explanation on the contrary, the noun of locality such as " upper and lower, left and right " used is usual Refer to the upper and lower, left and right shown in refer to the attached drawing;" inside and outside " refers to the inside and outside of the profile compared with each component in itself.
On the one hand the utility model provides a kind of stator core stamping sheet, the stator core stamping sheet includes ring body 1, institute A pair of of the trimming 13 for being provided with and being mutually parallel on the periphery wall of ring body 1 is stated, is spaced and sets on the internal perisporium of the ring body 1 Multiple teeth portion 11 are equipped with, line outlet groove 12 is formed between the adjacent teeth portion 11, the line outlet groove 12 includes multiple first flat-bottom slots 121 and multiple peariform slots 123, multiple first flat-bottom slots 121 correspond to the trimming 13 and set.
In the above-mentioned technical solutions, it is contemplated that the motor on rotary compressor needs certain flow area, with Ensure refrigerant can normal circulation and lubricating oil can return to compressor from the gap between stator trimming and housing, it is therefore, fixed A pair of trimming 13 being mutually parallel is provided on the periphery wall of the ring body 1 of sub- core stamping, as depicted in figs. 1 and 2, due to Line outlet groove 12 includes multiple first flat-bottom slots 121 and multiple peariform slots 123, and multiple first flat-bottom slots 121 correspond to trimming 13 It sets, makes the stator core using stator core stamping sheet manufacture, the stator yoke width at trimming 13 is equal, and flux density is equal It is even, it is not easy to form depth saturation, can suitably increase trimming amount in the case where ensureing that flux density meets requirement, increase is through-flow Area improves oil return, and the slot bottom leakage reactance of the first flat-bottom slot 121 is smaller, so as to be conducive to improve the synthesis performance of motor (such as improving starting and torque capacity) in addition, the setting of multiple peariform slots 123 makes offline simple and flute profile utilization rate high, has Cost is manufactured beneficial to reducing.
Wherein, the thickness of stator core stamping sheet can be 0.3-0.5mm, and multiple stator core stamping sheet stackings can form stator iron Core.
Further, the size of first flat-bottom slot 121 and peariform slot 123 can make choice according to need of work, excellent Selection of land distinguishes the radius of tangent circle for R1, R3 with the outer end face of first flat-bottom slot 121 and the peariform slot 123, 0.945≤R1/R3≤0.985, selectively, outer end face and the ring of first flat-bottom slot 121 and the peariform slot 123 Minimum range between the periphery wall of shape body 1 is respectively H1, H3,0.81≤H1/H3≤1.It can so reduce to a certain extent Flux density degree of saturation at trimming ensures that flux density can increase trimming amount in the case of meeting requirement, increases through-flow face Product improves oil return.
The utility model second aspect provides a kind of stator core, the stator core include it is multiple be stacked it is upper The stator core stamping sheet stated.Wherein, the line outlet groove 12 of stator core stamping sheet includes multiple first flat-bottom slots 121 and multiple peariform slots 123, and multiple first flat-bottom slots 121 correspond to trimming 13 and set, make that the stator yoke width at trimming 13 is equal, and flux density is equal It is even, it is not easy to form depth saturation, can suitably increase trimming amount in the case where ensureing that flux density meets requirement, increase is through-flow Area improves oil return, and the slot bottom leakage reactance of the first flat-bottom slot 121 is smaller, so as to be conducive to improve the synthesis performance of motor (such as improving starting and torque capacity) in addition, the setting of multiple peariform slots 123 makes offline simple and flute profile utilization rate high, has Cost is manufactured beneficial to reducing.
Since the magnetic structure of single-phase asynchronous motor limits, the yoke portion flux density amplitude of usual main winding approximate centerline is most Greatly, therefore the yoke portion flux density in this position is easiest to saturation.If wire casing herein is peariform slot, the yoke portion width at slot bottom will Further become smaller, cause this position will generate depth saturation, increase motor temperature rise, iron loss increase, influence electrical machinery life and Performance plays, it is preferred that the line outlet groove 12 includes the second flat-bottom slot 122, described in second flat-bottom slot 122 is corresponding The position that main winding is installed on ring body 1 is set, and the peariform slot 123 is arranged on adjacent 121 He of the first flat-bottom slot Between second flat-bottom slot 122.
Wherein, the size of the second flat-bottom slot 122 also can flexibly be selected according to need of work, it is preferable that with described The radius of the tangent circle of the outer end faces of two flat-bottom slots 122 is R2,0.965≤R2/R3≤0.995, second flat-bottom slot 122 Minimum range between the periphery wall of outer end face and the ring body 1 is respectively H2,1≤H2/H3≤1.1.So ensureing On the premise of main winding can generate certain effective turn, the yoke portion of main winding approximate centerline, which does not allow to be also easy to produce depth, satisfies With.
It is understood that outer end face (slot bottom) phase with the first flat-bottom slot 121, the second flat-bottom slot 122 and peariform slot 123 The radius for the circle cut can be different, and the area of three kinds of wire casings also can be unequal, are so conducive to the design of winding sineization and subtract Few harmonic content to improve the runnability of compressor, reduces noise content.
Wherein, determined to set peariform slot 123 as much as possible on the premise of work requirements are met and improve using this The working performance of motor made of sub- core stamping, it is preferable that the ring body 1 is on orthogonal first center line X Symmetrical with the second center line Y, first flat-bottom slot 121 is close to the first center line X distributions (i.e. first flat-bottom slot 121 It is distributed at the first center line X), second flat-bottom slot 122 is close to the second center line Y distributions, and (i.e. second is flat Slot 122 is distributed at the second center line Y), the first center line X is through first flat-bottom slot 121 or adjacent described the Teeth portion 11 between one flat-bottom slot 121 is set, and the second center line Y is through second flat-bottom slot 122 or adjacent described the Teeth portion 11 between two flat-bottom slots 122 is set.When the first center line X is set through first flat-bottom slot 121, such as scheme Shown in 2, the quantity of the first flat-bottom slot 121 is 2 multiple, when the second center line Y is set through second flat-bottom slot 122 When, the quantity of the second flat-bottom slot 122 is 2 multiple, and the sum of line outlet groove can be 18,22 or 26 at this time;When first center When teeth portion of the line X through adjacent first flat-bottom slot 121 is set, as shown in Figure 1, times that the quantity of the first flat-bottom slot 121 is 4 Number, when teeth portion of the second center line Y through adjacent second flat-bottom slot 122 is set, the quantity of the second flat-bottom slot 122 For 4 multiple, the sum of line outlet groove can be 20,24 or 28 at this time.
Furthermore it is preferred that as shown in Figure 1, the trimming 13 along parallel to the second center line Y direction extension, institute The length of side of trimming 13 is stated equal to or more than first flat-bottom slot 121 with continuously being set on the inner round wall of the ring body 1 In outermost two first flat-bottom slots 121 the center line of two teeth portion 11 that is respectively connected with of outside between central angle Spend the corresponding chord lengths of α.That is, when one end (upper end or lower end) of the first center line X nearby have it is multiple continuously set the During one flat-bottom slot 121, as shown in Figure 1, for example, 2, the outside of outermost two flat-bottom slots in multiple first flat-bottom slots 121 Center of circle angle between the center line for the teeth portion being respectively connected with is α, the chord length of the periphery of the corresponding ring body 1 of the center of circle angle Equal with the length of side of trimming 13, selectively, the length of side of trimming 13 is also greater than the chord length;When one end of the first center line X There are one during the first flat-bottom slot 121, central angle that the center line of the teeth portion being respectively connected with first flat-bottom slot, 121 outside is formed It is equal with the length of side of trimming 13 to spend the corresponding chord lengths of α, selectively, as shown in Fig. 2, the length of side of trimming 13 is also greater than the string It is long), the length of specific trimming 13 can be adjusted according to need of work.In addition, the outer diameter of the ring body 1 can be according to work It needs to select, for example, the value range of the outer diameter of the ring body 1 is 85~112mm.
The utility model third aspect provides a kind of stator core, the stator core include it is multiple be stacked it is upper The stator core stamping sheet stated.Wherein, the line outlet groove 12 of stator core stamping sheet includes multiple first flat-bottom slots 121, multiple peariform slots 123 and second flat-bottom slot 122, multiple first flat-bottom slots 121 correspond to trimming 13 and set, described in the second flat-bottom slot 122 is corresponding The position that main winding is installed on ring body 1 is set, and the peariform slot 123 is arranged on adjacent 121 He of the first flat-bottom slot Between second flat-bottom slot 122, so that the stator core is in the stator core provided with the utility model second aspect The advantages of on the basis of, due to including the second flat-bottom slot, and the second flat-bottom slot 122 corresponds to and master is installed on the ring body 1 The position of winding is set, and can avoid causing the yoke portion at this position due to the yoke portion flux density amplitude maximum of main winding approximate centerline Flux density is easiest to the problem of saturation, improves the performance of motor, extends the service life of motor to a certain extent.
The utility model fourth aspect provides a kind of stator, as shown in figure 3, the stator includes winding assembly 10 and this reality The stator core 20 provided with new second aspect, the winding assembly 10 are embedded in the line outlet groove;Selectively, it is described fixed Attached bag includes winding assembly 10 and the stator core 20 of the utility model third aspect offer, goes out described in the insertion of winding assembly 10 In wire casing, the winding assembly 10 includes winding center line into 90 degree of main winding and auxiliary winding, the winding of the main winding Center line is overlapped with the second center line Y.
The aspect of the utility model the 5th provides a kind of motor, as shown in figure 4, the motor includes rotor assembly 100 and upper The stator 200 stated, the rotor assembly 100 are arranged in the stator 200.
The 6th aspect of the utility model provides a kind of rotary compressor, and the rotary compressor includes above-mentioned electricity Machine.As shown in figure 4, the rotary compressor forms accommodating chamber including covering conjunction by upper housing component 301 and lower housing component 302 Housing unit 300, mounted on the indoor motor including rotor assembly 100 and stator 200 of the accommodating chamber, mounted on motor The pump assembly 400 of one end and the liquid storage device assembly 500 being connected with the pump assembly 400, liquid storage device assembly 500 are located at shell Outside body component 300.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model, It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute Disclosure belongs to the scope of protection of the utility model.

Claims (11)

1. a kind of stator core stamping sheet, which is characterized in that the stator core stamping sheet includes ring body (1), and the annular is originally A pair of of the trimming (13) being mutually parallel is provided on the periphery wall of body (1), is arranged at intervals on the internal perisporium of the ring body (1) There are multiple teeth portion (11), line outlet groove (12) is formed between the adjacent teeth portion (11), the line outlet groove (12) includes multiple first Flat-bottom slot (121) and multiple peariform slots (123), multiple first flat-bottom slots (121) correspond to the trimming (13) setting.
2. stator core stamping sheet according to claim 1, it is characterised in that:
The radius of tangent circle is distinguished for R1, R3 with the outer end face of first flat-bottom slot (121) and the peariform slot (123), 0.945≤R1/R3≤0.985;And/or
Between the periphery wall of the outer end face and the ring body (1) of first flat-bottom slot (121) and the peariform slot (123) Minimum range be respectively H1, H3,0.81≤H1/H3≤1.
3. stator core stamping sheet according to claim 2, which is characterized in that the line outlet groove (12) includes the second flat-bottom slot (122), second flat-bottom slot (122) corresponds to the position setting that main winding is installed on the ring body (1), the pyriform Slot (123) is arranged between adjacent first flat-bottom slot (121) and second flat-bottom slot (122).
4. stator core stamping sheet according to claim 3, it is characterised in that:
With the outer end face of second flat-bottom slot (122) radius of tangent circle be R2,0.965≤R2/R3≤0.995;With/ Or,
Minimum range between the outer end face of second flat-bottom slot (122) and the periphery wall of the ring body (1) is H2,1 ≤H2/H3≤1.1。
5. the stator core stamping sheet according to claim 3 or 4, which is characterized in that the ring body (1) is on mutually vertical Symmetrically, first flat-bottom slot (121) is close to first center line for straight the first center line (X) and the second center line (Y) (X) it is distributed, second flat-bottom slot (122) is close to the second center line (Y) distribution, and first center line (X) passes through Teeth portion (11) between first flat-bottom slot (121) or adjacent first flat-bottom slot (121) is set, second center line (Y) teeth portion (11) through second flat-bottom slot (122) or adjacent second flat-bottom slot (122) is set.
6. stator core stamping sheet according to claim 5, it is characterised in that:
The trimming (13) extends along the direction parallel to second center line (Y), the length of side of the trimming (13) be equal to or More than outermost two institutes in first flat-bottom slot (121) with continuously being set on the internal perisporium of the ring body (1) The center of circle angle (α) stated between the center line for two teeth portion (11) being respectively connected on the outside of the first flat-bottom slot (121) is corresponding The chord length of the periphery of the ring body (1);And/or
The value range of the outer diameter of the ring body (1) is 85~112mm.
7. a kind of stator core, which is characterized in that the stator core include it is multiple be stacked according to claim 1 or Stator core stamping sheet described in 2.
8. a kind of stator core, which is characterized in that the stator core include it is multiple be stacked according to claim 5 or Stator core stamping sheet described in 6.
9. a kind of stator, it is characterised in that:
The stator includes winding assembly (10) and stator core according to claim 7 (20), the winding assembly (10) in the embedded line outlet groove;Or,
The stator includes winding assembly (10) and stator core according to claim 8 (20), the winding assembly (10) in the embedded line outlet groove, the winding assembly (10) includes winding center line into 90 degree of main winding and auxiliary winding, institute The winding center line for stating main winding is overlapped with second center line (Y).
10. a kind of motor, which is characterized in that the motor includes rotor assembly (100) and stator according to claim 9 (200), the rotor assembly (100) is arranged in the stator (200).
11. a kind of rotary compressor, which is characterized in that the rotary compressor includes electricity according to claim 10 Machine.
CN201721602655.1U 2017-11-24 2017-11-24 Stator core stamping sheet, stator core, stator, motor and rotary compressor Active CN207410126U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721602655.1U CN207410126U (en) 2017-11-24 2017-11-24 Stator core stamping sheet, stator core, stator, motor and rotary compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721602655.1U CN207410126U (en) 2017-11-24 2017-11-24 Stator core stamping sheet, stator core, stator, motor and rotary compressor

Publications (1)

Publication Number Publication Date
CN207410126U true CN207410126U (en) 2018-05-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020020363A1 (en) * 2018-07-27 2020-01-30 广东美芝制冷设备有限公司 Air conditioner, compressor and motor for rotary compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020020363A1 (en) * 2018-07-27 2020-01-30 广东美芝制冷设备有限公司 Air conditioner, compressor and motor for rotary compressor

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