CN116388418A - Stator, motor, compressor and refrigeration equipment - Google Patents
Stator, motor, compressor and refrigeration equipment Download PDFInfo
- Publication number
- CN116388418A CN116388418A CN202310317168.4A CN202310317168A CN116388418A CN 116388418 A CN116388418 A CN 116388418A CN 202310317168 A CN202310317168 A CN 202310317168A CN 116388418 A CN116388418 A CN 116388418A
- Authority
- CN
- China
- Prior art keywords
- stator
- punching
- punching sheets
- segmented
- sheets
- 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.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 98
- 238000003475 lamination Methods 0.000 claims description 57
- 238000004804 winding Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- 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
- 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
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a stator, a motor, a compressor and refrigeration equipment, wherein the stator comprises: stator core, stator core includes: the stator punching sheets comprise tooth parts and yoke parts, the tooth parts are connected with the yoke parts, the outer diameter of the stator punching sheet is phi, the radial width of the yoke parts is L, and the first connecting parts are used for connecting two adjacent layers of stator punching sheets. Wherein the distance from any point on the first connecting part to the axis of the stator punching sheet is H, which satisfies (phi-2 xL)/3.ltoreq.H.ltoreq.phi-2 xL)/2.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a stator, a motor, a compressor and refrigeration equipment.
Background
As shown in fig. 1, in the related art, a stator core is formed by stacking a plurality of laminations 100', and adjacent two layers of laminations 100' are connected by a fixing portion 200 '.
The motor can produce the vortex when the during operation, and the vortex can lead to stator core to produce the heat loss, causes the efficiency of motor to reduce.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
In view of this, the present invention proposes, in a first aspect, a stator comprising: a stator core; the stator core includes: the stator punching sheets are axially stacked and arranged, each stator punching sheet comprises a tooth part and a yoke part, the tooth parts are connected with the yoke parts, the outer diameter of each stator punching sheet is phi, and the radial width of the yoke part is L; the first connecting part is used for connecting two adjacent layers of stator punching sheets; wherein the distance from any point on the first connecting part to the axis of the stator punching sheet is H, which satisfies (phi-2 xL)/3.ltoreq.H.ltoreq.phi-2 xL)/2.
According to the stator provided by the invention, the plurality of stator punching sheets are stacked to form the stator core, the adjacent two layers of stator punching sheets are connected through the first connecting part, so that the plurality of stator punching sheets are connected through the first connecting part to form the stator core, and the connecting effect of the first connecting part on the adjacent two layers of stator punching sheets ensures that the adjacent two layers of stator punching sheets are not easy to separate, and the structural stability of the stator core is ensured.
The outer diameter of the stator punching sheet is the distance from the outer edge of the stator punching sheet to the axis of the stator punching sheet, the outer diameter phi of the stator punching sheet, the radial width L of the yoke part and the distance H from one point on the first connecting part to the axis are satisfied, the (phi-2 xL)/3 is less than or equal to H and less than or equal to (phi-2 xL)/2, the arrangement position of the first connecting part on the stator punching sheet is limited in the range through the formula, and the connection positions of two adjacent stator punching sheets are limited in the range, so that the eddy current loss of the stator is restrained, the heat loss of the stator core is reduced, and the efficiency of the motor is improved.
Illustratively, the first connecting portion is a welding portion or an adhesive portion, and the adjacent two layers of stator laminations can be connected by welding or adhesive.
In addition, the stator in the technical scheme provided by the invention can also have the following additional technical characteristics:
in the above technical solution, the stator core further includes: and the second connecting part is arranged on one side, away from the axis, of the yoke part and is used for connecting two adjacent layers of stator punching sheets.
In the technical scheme, on the basis that two adjacent layers of stator punching sheets are connected through the first connecting part, the two adjacent layers of stator punching sheets are further connected through the second connecting part, at least two connecting points are arranged between the two adjacent layers of stator punching sheets, and the connection stability of the two adjacent layers of stator punching sheets is guaranteed.
The second connecting portion is arranged on one side, deviating from the axis, of the yoke portion, so that the connecting portion can fix the outer edges of the stator punching sheets, separation of the outer edges of the adjacent two layers of stator punching sheets is avoided, noise generated when the motor is operated is reduced, and the motor is guaranteed to have higher efficiency.
By adding the second connecting part, the stator core has the advantages of good manufacturability and high binding force of the stator core.
In any of the above solutions, the plurality of stator laminations includes: the first punching sheets are provided with first wire slots; the second punching sheets are positioned on two sides of the plurality of first punching sheets along the axial direction, the first punching sheets and the second punching sheets are concentrically arranged, a second wire slot is arranged on the second punching sheets, and the sectional area of the second wire slot is larger than the sectional area of the first wire slot along the radial direction of the stator punching sheets; the stator further includes: the insulation framework is provided with a plug-in connection part, and the plug-in connection part stretches into the second wire slot.
In the technical scheme, along the axial direction of the stator core, the second punching sheet is positioned at the end part in the axial direction, the first punching sheet is provided with a first wire slot, the second punching sheet is provided with a second wire slot, and the radial sectional area of the second wire slot is larger than that of the first wire slot. When the insulating framework and the stator core are assembled, the plug-in part on the insulating framework is required to be plugged into the second wire slot of the stator core, so that a part of the insulating framework is embedded into the second wire slot. The insulating framework only needs to be inserted into the second wire slot, but does not need to be inserted into the first wire slot, so that the sectional area of the first wire slot does not need to be increased for the insertion part to be inserted, the yoke part of the first chip is ensured to have a larger volume, and the performance of the motor is prevented from being influenced.
In any of the above technical solutions, the end surface cross-sectional area of the first punched sheet is S1, and the end surface cross-sectional area of the second punched sheet is S2, S2 > s1×0.7.
In this technical scheme, the radial sectional area of first wire casing is different with the radial sectional area of second wire casing, so first towards piece and second towards piece entity part different. The proportional relation between the cross-sectional areas of the first and second punching sheets is defined, which corresponds to the proportional relation between the end surface cross-sectional areas of the first and second wire grooves. The cross-sectional area of the first punched piece and the cross-sectional area of the second punched piece satisfy the following conditions: under the condition that S2 is larger than S1.times.0.7, the first punching sheet is ensured to have a large enough sectional area, and the influence on the performance of the motor is avoided.
In any of the above technical solutions, along the axial direction of the stator core, the length of the insertion portion is L1, and the length of the second slot is L2, where L1 is less than or equal to L2.
In this technical scheme, the length that insulating skeleton stretched into in the second wire casing is less than the degree of depth of second wire casing to make stator core's terminal surface can with insulating skeleton's bottom surface direct contact cooperation, guarantee stator core and insulating skeleton's connection stability.
In any of the above technical solutions, the number of the second punched pieces is plural, the lengths of the plural first punched pieces are T1, and the lengths of the plural second punched pieces are T2, where T2 is less than t1×0.3, along the axial direction of the stator core.
In the technical scheme, the length T1 of the first punching sheet and the length T2 of the second punching sheet are met, T2 is smaller than T1 multiplied by 0.3, so that the length of the second punching sheet is smaller, the number of layers of the second punching sheet is also smaller, the width of the yoke part on the second punching sheet is smaller than that of the yoke part of the first punching sheet, and therefore, the solid volume of the stator core can be increased by reducing the number of the second punching sheets, and the performance of the motor is improved.
In any of the above technical solutions, the stator lamination includes a plurality of segmented lamination, and the plurality of segmented lamination are spliced to form the stator lamination along the circumferential direction of the stator; the stator core further includes: the first matching part is arranged at one edge extending along the radial direction in the block punching sheet; the second matching part is arranged at the other edge of the segmented punching sheet extending along the radial direction, and the first matching part in one segmented punching sheet is connected with the second matching part in the adjacent segmented punching sheet.
In this technical scheme, in order to reduce the processing degree of difficulty of stator to and improve the groove full rate of motor, set up the stator towards the piece into split type structure. The stator laminations include a plurality of segmented laminations. Through setting up the piecemeal towards the piece into a plurality ofly to when processing the stator, only process a plurality of piecemeal towards the piece can, splice a plurality of piecemeal towards the piece part again and be the stator towards the piece, compare in processing a complete stator, the degree of difficulty of processing the piecemeal towards the piece part reduces, thereby has reduced manufacturing cost, and this kind of stator simple structure, the automated production to the stator is realized to the accessible automated production line.
And, design the split type mosaic structure with the stator, be convenient for realize the winding of coil and establish, can be around establishing the back of accomplishing to installing two adjacent piecemeal punching again in the coil, reduce the degree of difficulty of establishing the coil, consequently can the stator size the same circumstances, around establishing more coils, improve the winding of coil and establish the number of turns, be favorable to improving the groove filling rate of motor. On the basis of not increasing the size of the motor, the number of turns of the winding coil is increased, so that the output torque and the motor efficiency of the motor can be improved.
The yoke has two radially extending edges, one of which is provided with a first mating portion and the other of which is provided with a second mating portion, i.e. each yoke is provided with a first mating portion and a second mating portion. The plurality of the partitioned stamped sheets are sequentially connected to form the stator stamped sheet, and in the process of assembling the partitioned stamped sheets, the first matching part on one partitioned stamped sheet is matched with the second matching part on the adjacent partitioned stamped sheet, so that the radial relative sliding of the two adjacent partitioned stamped sheets along the stator is avoided, and the structural stability of the stator stamped sheet is improved.
In one possible application, one of the first mating portion and the second mating portion is a male portion and the other is a female portion.
In a second aspect, the present invention proposes an electric machine comprising: a stator assembly comprising a stator as in any one of the aspects of the first aspect and windings wound on the stator; and the rotor is arranged in the stator.
In a third aspect, the present invention provides a compressor comprising: the motor in the technical scheme; or a stator as in the above-described embodiments.
In a fourth aspect, the present invention proposes a refrigeration apparatus comprising: the compressor in the technical scheme.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view showing the structure of a related art punching sheet;
FIG. 2 shows one of the schematic structural diagrams of a segmented stamping in an embodiment of the present invention;
FIG. 3 illustrates one of the structural schematic diagrams of a stator lamination in an embodiment of the invention;
FIG. 4 shows a second schematic view of a block-punched sheet according to an embodiment of the present invention;
FIG. 5 illustrates a second schematic structural view of a stator lamination in accordance with an embodiment of the present invention;
FIG. 6 illustrates a third schematic structural view of a stator lamination in accordance with an embodiment of the present invention;
FIG. 7 shows a fourth schematic structural view of a stator lamination in accordance with an embodiment of the invention;
FIG. 8 illustrates a fifth schematic structural view of a stator lamination in accordance with an embodiment of the present invention;
FIG. 9 illustrates an exploded view of a stator lamination and an insulating skeleton in an embodiment of the invention;
fig. 10 shows a schematic structural view of a stator in an embodiment of the present invention.
Reference numerals:
100 'sheet, 200' connection.
100 stator punching sheets, 110 tooth parts, 120 yoke parts, 130 block punching sheets, 140 first punching sheets, 141 first wire slots, 150 second punching sheets, 151 second wire slots, 200 first connecting parts, 300 second connecting parts, 400 first matching parts, 500 second matching parts, 700 insulating frameworks and 710 plug-in parts.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A stator, a motor, a compressor, and a refrigerating apparatus provided according to some embodiments of the present invention are described below with reference to fig. 2 to 10.
As shown in fig. 2 and 3, in an embodiment of the present invention, a stator is provided, including: stator core, stator core includes: the stator punching sheet 100 includes a tooth 110 and a yoke 120, the tooth 110 and the yoke 120 are connected, the stator punching sheet 100 has an outer diameter Φ, the yoke 120 has a radial width L, and the first connecting portion 200 is used for connecting two adjacent stator punching sheets 100. Wherein the distance from any point on the first connecting portion 200 to the axis of the stator lamination 100 is H, satisfying (Φ -2 XL)/3. Ltoreq.H.ltoreq.Φ -2 XL)/2.
The stator that this embodiment provided, a plurality of stator punching 100 range upon range of setting and form stator core, adjacent two-layer stator punching 100 are connected through first connecting portion 200 for a plurality of stator punching 100 are connected through first connecting portion 200 and are formed stator core, and first connecting portion 200 is to the connection effect of adjacent two-layer stator punching 100, makes adjacent two-layer stator punching 100 be difficult for the separation, guarantees stator core's structural stability.
The outer diameter of the stator lamination 100 is the distance from the outer edge of the stator lamination 100 to the axis of the stator lamination 100, the outer diameter Φ of the stator lamination 100, the thickness L of the yoke 120, and the distance H from a point on the first connection portion 200 to the axis satisfy (Φ -2×l)/3+.ltoreq.Φ -2×l)/2, and by the above formula, the arrangement position of the first connection portion 200 on the stator lamination 100 is limited in the range, and the connection position of two adjacent stator laminations 100 is limited in the above range, so that eddy current loss of the stator can be suppressed, thereby reducing heat loss of the stator core, and being beneficial to improving the efficiency of the motor.
As shown in fig. 1, in the related art, a plurality of connection parts 200' are generally provided on the stator lamination 100', but in the present embodiment, the arrangement positions of the first connection parts 200 on the stator lamination 100 are limited to the above-mentioned range, so that two adjacent stator laminations 100 can be stably connected, and the redundant connection parts 200' in the related art can be removed, thereby not only reducing the processing difficulty of the stator, but also ensuring the structural stability of the stator, and simultaneously suppressing the eddy current loss.
Illustratively, the first connecting portion 200 is a welded portion or an adhesive portion, and the adjacent two layers of stator laminations 100 can be connected by welding or adhesive.
In one possible application, the distance from the center point of the first connection portion 200 to the axis is H, satisfying (Φ -2 XL)/3 < H < (Φ -2 XL)/2.
As shown in conjunction with fig. 2, 3, 4 and 5, in the above embodiment, the stator core further includes: the second connecting portion 300 is disposed on a side of the yoke 120 away from the axis, and the second connecting portion 300 is used for connecting two adjacent stator laminations 100.
In this embodiment, on the basis that the adjacent two-layer stator laminations 100 are connected by the first connecting portion 200, the adjacent two-layer stator laminations 100 are further connected by the second connecting portion 300, so that at least two connection points are formed between the adjacent two-layer stator laminations 100, and the connection stability of the adjacent two-layer stator laminations 100 is ensured.
The second connecting portion 300 is disposed at a side of the yoke 120 away from the axis, which enables the connecting portion to fix the outer edges of the stator laminations 100, prevents the outer edges of the adjacent two layers of stator laminations 100 from being separated, reduces noise when the motor is operated, and ensures higher efficiency of the motor.
By adding the second connection part 300, the stator core has the advantages of good manufacturability and high binding force of the stator core.
In any of the above embodiments, the number of the second connection parts 300 is at least one.
As shown in connection with fig. 2, 4 and 5, the number of the second connection parts 300 may be one, two or more in this embodiment.
When the number of the second connection portions 300 is one, the second connection portions 300 may be disposed at any position of the outer edge of the yoke portion 120, in this embodiment, the yoke portion 120 is cut along the radial direction of the yoke portion 120, and the symmetry line of the cross section of the yoke portion 120 passes through the second connection portions 300, so as to avoid edge tilting of the yoke portion 120.
When the number of the second connection parts 300 is two, the two second connection parts 300 are located at both sides of the outer edge of the yoke 120, the yoke 120 is cut along the radial direction of the yoke 120, and the two second connection parts 300 are symmetrically distributed compared with the symmetry line of the cross section of the yoke 120.
As shown in connection with fig. 6, 7, 8, 9 and 10, in any of the above embodiments, the plurality of stator laminations 100 includes: the stator punching device comprises a plurality of first punching sheets 140 and second punching sheets 150, wherein the first punching sheets 140 are provided with first wire grooves 141, the second punching sheets 150 are positioned on two sides of the plurality of first punching sheets 140 along the axial direction, the first punching sheets 140 and the second punching sheets 150 are concentrically arranged, the second punching sheets 150 are provided with second wire grooves 151, and the sectional area of the second wire grooves 151 is larger than that of the first wire grooves 141 along the radial direction of the stator punching sheet 100; the stator further includes: the insulating skeleton 700, be equipped with grafting portion 710 on the insulating skeleton 700, grafting portion 710 stretches into in the second wire casing 151.
In this embodiment, the second lamination 150 is located at an end portion in the axial direction of the stator core, the first lamination 140 is provided with the first wire groove 141, the second lamination 150 is provided with the second wire groove 151, and a radial sectional area of the second wire groove 151 is larger than a radial sectional area of the first wire groove 141. When the insulating frame 700 is assembled with the stator core, the insertion portion 710 of the insulating frame 700 needs to be inserted into the second slot 151 of the stator core, so that a part of the insulating frame 700 is inserted into the second slot 151. The insulating skeleton 700 only needs to be plugged into the second wire groove 151, but does not need to be plugged into the first wire groove 141, so that the cross section area of the first wire groove 141 does not need to be increased for the plugging portion 710 to plug, the yoke portion 120 of the first chip is ensured to have a larger volume, and the performance of the motor is not affected.
In one possible application, the number of layers of the second die 150 is multiple.
In the motor, the insulation skeleton 700 is provided with a third wire slot, and windings in the motor need to be wound into the first wire slot 141, the second wire slot 151 and the third wire slot. Embedding a portion of the insulating skeleton 700 into the second wire slot 151 may reduce the resistance of the winding, and reduce the material of the winding for improving the motor efficiency.
In any of the above embodiments, the end surface cross-sectional area of the first punch 140 is S1, and the end surface cross-sectional area of the second punch 150 is S2, S2 > s1×0.7.
In this embodiment, the radial sectional areas of the first wire groove 141 and the second wire groove 151 are different, so that the sectional areas of the solid portions of the first and second punches 140 and 150 are different. By defining the proportional relationship between the cross-sectional area of the first sheet 140 and the cross-sectional area of the second sheet 150, the proportional relationship between the end surface cross-sectional areas of the first wire groove 141 and the second wire groove 151 is defined. The cross-sectional area of the first die 140 and the cross-sectional area of the second die 150 satisfy: under the condition that S2 is larger than S1×0.7, the first punching sheet 140 is ensured to have a large enough sectional area, and the influence on the performance of the motor is avoided.
In the present embodiment, the first and second punches 140 and 150 are taken along the radial direction of the stator, and the area of the cross section of the first punch 140 and the area of the cross section of the second punch 150 are the end surface cross sectional areas indicated above.
In any of the above embodiments, the length of the insertion portion 710 is L1, and the length of the second slot 151 is L2, where L1 is less than or equal to L2, along the axial direction of the stator core.
In this embodiment, the length of the insulating skeleton 700 extending into the second wire slot 151 is smaller than the depth of the second wire slot 151, so that the end surface of the stator core can be in direct contact fit with the bottom surface of the insulating skeleton 700, and the connection stability of the stator core and the insulating skeleton 700 is ensured.
In any of the above embodiments, the number of the second laminations 150 is plural, the lengths of the first laminations 140 are T1, and the lengths of the second laminations 150 are T2, T2 < t1×0.3 along the axial direction of the stator core.
In this embodiment, the length T1 of the first sheet 140 and the length T2 of the second sheet 150 are satisfied, T2 < t1×0.3, and therefore, the length of the second sheet 150 is smaller, the number of layers of the second sheet 150 is smaller, and the width of the yoke 120 on the second sheet 150 is smaller than the width of the yoke 120 of the first sheet 140, and therefore, by reducing the number of the second sheets 150, the solid volume of the stator core can be increased, thereby improving the performance of the motor.
As shown in connection with fig. 2 and 3, in any of the above embodiments, the stator lamination 100 includes a plurality of segmented lamination 130, and the plurality of segmented lamination 130 are spliced to form the stator lamination 100 along the circumferential direction of the stator. The stator core further includes: the first fitting part 400 is provided at one edge of the segmented lamination 130 extending in the radial direction, and the second fitting part 500 is provided at the other edge of the segmented lamination 130 extending in the radial direction, and the first fitting part 400 in one segmented lamination 130 is connected with the second fitting part 500 in an adjacent segmented lamination 130.
In this embodiment, in order to reduce the difficulty of processing the stator and to increase the slot fill rate of the motor, the stator laminations 100 are provided in a split type structure. Stator laminations 100 include a plurality of segmented laminations 130. Through setting up the piecewise punching 130 into a plurality ofly to when processing the stator, only processing a plurality of piecewise punching 130 can, splice a plurality of piecewise punching 130 parts and be stator punching 100, compare in processing a complete stator, the degree of difficulty of processing the piecewise punching 130 part reduces, thereby has reduced manufacturing cost, and this kind of stator simple structure, the automated production to the stator is realized to the accessible automated production line.
And, design the stator into split type mosaic structure, be convenient for realize the winding of coil and establish, can be around establishing the back of accomplishing to two adjacent segmentation punching 130 again and install, reduce the degree of difficulty of establishing the coil around, consequently can the same circumstances of stator size around establishing more coils, improve the winding number of turns of coil, be favorable to improving the groove full rate of motor. On the basis of not increasing the size of the motor, the number of turns of the winding coil is increased, so that the output torque and the motor efficiency of the motor can be improved.
The yoke 120 has two radially extending edges, one edge being provided with a first mating portion 400 and the other edge being provided with a second mating portion 500, i.e. each yoke 120 is provided with a first mating portion 400 and a second mating portion 500. The plurality of segmented sheets 130 are sequentially connected to form the stator sheet 100, and in the process of assembling the plurality of segmented sheets 130, the first matching part 400 on one segmented sheet 130 is matched with the second matching part 500 on the adjacent segmented sheet 130, so that the two adjacent segmented sheets 130 are prevented from sliding relatively along the radial direction of the stator, and the structural stability of the stator sheet 100 is improved.
In one possible application, one of the first mating portion 400 and the second mating portion 500 is a male portion and the other is a female portion.
In an embodiment of the present invention, there is provided a motor including: the stator assembly comprises the stator in any one of the embodiments and the winding wound on the stator, and the rotor is arranged in the stator, so that the motor in the embodiment can achieve the technical effects in any one of the embodiments, and the description is omitted herein.
In an embodiment of the present invention, there is provided a compressor including: the motor as in the above embodiment; or the stator in the above embodiment, and can achieve the same technical effects, which are not described herein.
In an embodiment of the present invention, there is provided a refrigeration apparatus including: the compressor in the above embodiment can achieve the same technical effects, and will not be described in detail herein.
The refrigeration device in this embodiment may be a refrigerator, freezer, refrigerator, or the like.
In an embodiment of the present invention, there is provided a motor including: the stator assembly comprises a stator and a winding wound on the stator as in any one of the above embodiments, and the rotor is disposed in the stator, so that the motor in this embodiment can achieve the technical effects in any one of the above embodiments, and will not be described herein.
In an embodiment of the present invention, there is provided a compressor including: a motor as in any one of the embodiments above; or the stator in any of the above embodiments, and can achieve the same technical effects, which are not described herein.
In an embodiment of the present invention, there is provided a refrigeration apparatus including: the compressor in the above embodiment can achieve the same technical effects, and will not be described in detail herein.
The refrigeration device in this embodiment may be a refrigerator, freezer, refrigerator, or the like.
In the present invention, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A stator, comprising:
a stator core;
the stator core includes:
the stator punching sheets are axially stacked and arranged, the stator punching sheets comprise tooth parts and yoke parts, the tooth parts are connected with the yoke parts, the outer diameter of the stator punching sheets is phi, and the radial width of the yoke parts is L;
the first connecting part is used for connecting two adjacent layers of stator punching sheets;
wherein, the distance from any point on the first connecting part to the axis of the stator punching sheet is H, which satisfies that H is more than or equal to 3 and less than or equal to 2.
2. The stator of claim 1, wherein the stator core further comprises:
the second connecting part is arranged on one side, away from the axis, of the yoke part and is used for connecting two adjacent layers of stator punching sheets.
3. The stator according to claim 1 or 2, wherein the plurality of stator laminations comprises:
the first punching sheets are provided with first wire slots;
the second punching sheets are positioned on two sides of the plurality of first punching sheets along the axial direction, the first punching sheets and the second punching sheets are concentrically arranged, a second wire slot is arranged on the second punching sheets, and the sectional area of the second wire slot is larger than the sectional area of the first wire slot along the radial direction of the stator punching sheets;
the stator further includes:
the insulation framework is provided with an inserting part, and the inserting part extends into the second wire slot.
4. A stator according to claim 3, wherein the cross-sectional area of the end face of the first punch is S1 and the cross-sectional area of the end face of the second punch is S2, S2 > s1×0.7.
5. A stator according to claim 3, wherein the length of the insertion portion is L1, and the length of the second slot is L2, L1 is equal to or less than L2, in the axial direction of the stator core.
6. A stator according to claim 3, wherein the number of the second punched pieces is plural, the lengths of the plural first punched pieces are T1, and the lengths of the plural second punched pieces are T2, T2 < t1×0.3, in the axial direction of the stator core.
7. The stator according to claim 1 or 2, wherein the stator lamination comprises a plurality of segmented laminations, the plurality of segmented laminations being spliced to form the stator lamination along a circumferential direction of the stator;
the stator core further includes:
the first matching part is arranged at one edge extending along the radial direction in the segmented punching sheet;
the second matching parts are arranged at the other edge of the segmented punching sheet, which extends along the radial direction, and the first matching part in one segmented punching sheet is connected with the second matching part in the adjacent segmented punching sheet.
8. An electric machine, the electric machine comprising:
a stator assembly comprising the stator of any one of claims 1 to 7 and a winding wound on the stator;
and the rotor is arranged in the stator.
9. A compressor, comprising:
the motor of claim 8; or (b)
The stator of any one of claims 1 to 7.
10. A refrigeration appliance, comprising:
the compressor of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310317168.4A CN116388418A (en) | 2023-03-27 | 2023-03-27 | Stator, motor, compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310317168.4A CN116388418A (en) | 2023-03-27 | 2023-03-27 | Stator, motor, compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116388418A true CN116388418A (en) | 2023-07-04 |
Family
ID=86962784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310317168.4A Pending CN116388418A (en) | 2023-03-27 | 2023-03-27 | Stator, motor, compressor and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116388418A (en) |
-
2023
- 2023-03-27 CN CN202310317168.4A patent/CN116388418A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9362809B2 (en) | Stator for electric rotary machine and fabricating method of the same | |
| US20110175485A1 (en) | Rotating electrical machine and manufacturing method of a stator thereof | |
| JP5623498B2 (en) | Stator core and stator, electric motor and compressor | |
| CN111033980A (en) | Divided core connection body and armature manufacturing method | |
| US20050264123A1 (en) | Stator of rotating electric machine and manufacturing method of the stator | |
| CN112821608B (en) | Rotor punching sheet, rotor core, motor rotor, assembling method and motor | |
| CN113346644A (en) | Permanent magnet motor | |
| JP5174794B2 (en) | Stator core and stator, electric motor and compressor | |
| WO2023103638A1 (en) | Stator, motor, compressor, and electrical equipment | |
| CN115632502A (en) | Stator, motor and compressor | |
| JPH10145990A (en) | Stator iron core of outer rotor motor | |
| CN219436721U (en) | Stator, motor, compressor and refrigeration equipment | |
| CN111900810A (en) | Axial magnetic field motor and stator structure and stator core structure thereof | |
| CN219436722U (en) | Stator, motor, compressor and refrigeration equipment | |
| JP5244363B2 (en) | Split stator and motor | |
| JP2018133850A (en) | Rotary electric machine | |
| CN116388418A (en) | Stator, motor, compressor and refrigeration equipment | |
| CN116231897A (en) | Stator, motor, compressor and refrigeration equipment | |
| EP3200319B1 (en) | Stator assembly, and, motor and electric pump having the same | |
| CN209282943U (en) | A kind of closed slot stator core, motor stator and motor | |
| CN111146882A (en) | Armature of rotating electric machine | |
| CN217240416U (en) | Stator core, motor and household appliance | |
| CN219372125U (en) | Spliced stator | |
| CN218678604U (en) | Winding iron core structure and motor | |
| CN214255889U (en) | Stator and rotor punching sheet of single-phase series excited motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |