CN110535257A - A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8 - Google Patents
A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8 Download PDFInfo
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- CN110535257A CN110535257A CN201910612476.3A CN201910612476A CN110535257A CN 110535257 A CN110535257 A CN 110535257A CN 201910612476 A CN201910612476 A CN 201910612476A CN 110535257 A CN110535257 A CN 110535257A
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- 238000004080 punching Methods 0.000 title claims abstract description 26
- 239000011449 brick Substances 0.000 title claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000004907 flux Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 241000220324 Pyrus Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000021017 pears Nutrition 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8, belongs to threephase asynchronous technical field, solves to reduce the stray loss of threephase asynchronous, the temperature rise of reduction motor and noise, improves the technical issues of electric efficiency.Solution are as follows: be evenly arranged at least six groups for placing the stator slot group of copper wire according to circumferencial direction of the motor series on the anchor ring of the substrate along substrate is radial, MgO-ZrO_2 brick is 8 in stator slot group described in each group, stator slot group includes big stator slot, middle stator slot and small stator slot, the area of small stator slot is the 80%~95% of big stator groove area, and the area of middle stator slot is between big stator slot and small stator groove area.The present invention can be such that slot utilization rate greatly improves, improve the distribution mechanism of stator punching yoke portion flux density by the flute profile distribution of big stator slot, middle stator slot and small stator slot in design stator slot group.
Description
Technical field
The invention belongs to threephase asynchronous technical fields, and in particular to be a kind of MgO-ZrO_2 brick be 8 it is big
Sulculus stator punching.
Background technique
Threephase asynchronous includes five lossies, i.e. stator copper loss, rotor copper loss, core loss, mechanical consumption and miscellaneous
Dissipate loss.In order to make electric efficiency reach the different brackets such as efficient, ultra high efficiency, super ultra high efficiency, those skilled in the art are to items
Loss, which classifies, to be analyzed and is judged, countermeasure is taken to reduce loss.
Stator coil uses not equal circles low harmonic winding form, and the actual resistance of winding can not only reduced, reaches reduction
The purpose of stator copper loss, and the harmonic wave of different the number of turns is analyzed, judged and selected, thus effectively reduce motor due to
The stray loss that harmonic wave generates.In face of the different numerical value of every coil turn, the same flute profile of stator punching can cause different slots full
Rate.Big sulculus punching design is come into being as a result,.On the one hand in order to optimize embedding technology, keep the copper factor in each slot basic
Unanimously, effective to improve embedding quality；On the other hand the corresponding not yoke portion size of the big sulculus of same punching is miscellaneous for reducing motor
Dissipate loss and motor temperature rise, reduce noise etc., further refinement is needed by careful design and test.
Summary of the invention
It is an object of the invention to develop and improve the technical level of existing stator punching groove design, three are effectively reduced
The stray loss of phase asynchronous motor reduces temperature rise and the noise of motor, improves electric efficiency.The present invention provides every grade of one kind often
The big sulculus stator punching that phase slot number is 7.
The present invention is achieved by the following technical programs.
A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8, it includes the substrate of annulus shape, in which: according to electricity
Circumferencial direction of the machine series on the anchor ring of the substrate along substrate is radial to be evenly arranged at least six groups for placing copper
The stator slot group of line, MgO-ZrO_2 brick is 8 in stator slot group described in each group, and stator slot group includes big stator slot and small stator
Slot, the area of small stator slot are the 80%~95% of big stator groove area, the center of circle between adjacent big stator slot and small stator slot
Angle is equal, and big stator slot and small stator slot flute profile are distributed as one of following flute profile distribution forms or two in stator slot group
Kind:
1), two big stator slot is set to the middle part of stator slot group, there are three the two sides of two big stator slot are respectively set
The small stator slot of small stator slot, big stator slot two sides is symmetrical arranged about the middle line of two big stator slot；
2), four big stator slot is set to the middle part of stator slot group, there are two the two sides of four big stator slot are respectively set
Two small stator slots of small stator slot, two small stator slots of four big stator slot side and the four big stator slot other side about
The middle line of four big stator slot is symmetrical arranged；
3), six big stator slot is set to the middle part of stator slot group, and the two sides of six big stator slot are respectively arranged with one
Small stator slot, two small stator slots are symmetrical arranged about the middle line of six big stator slot；
The big stator slot or small stator slot include rectangular slot, the first isosceles trapezoid slot, the second isosceles trapezoid slot
And semi-circular groove, it is set as rectangular slot close to one end of substrate inner headed face, the width of rectangular slot is 2.5~4.2mm, rectangular
The height of shape slot is 0.9~2.0mm；The second isosceles trapezoid slot is set to separate center of circle one end of the first isosceles trapezoid slot,
The upper bottom edge of first isosceles trapezoid slot is conllinear with the long side of the rectangular slot, the bottom and second etc. of the first isosceles trapezoid slot
The upper bottom edge of waist dovetail groove is conllinear, and the width of the first isosceles trapezoid slot bottom is 5~10mm, the bevel edge of the first isosceles trapezoid slot
Angle between bottom is 20 °~30 °, and the width of the second isosceles trapezoid slot bottom is 8~15mm, the second isosceles trapezoid
The height of slot is 12~40mm；The semi-circular groove is set at the bottom position of the second isosceles trapezoid slot, semi-circular groove
Diameter is equal with the width of the second isosceles trapezoid slot bottom.
Further, middle stator slot is additionally provided in the stator slot group, the area of middle stator slot is between small stator slot
Between area and big stator groove area, the central angle between adjacent big stator slot, small stator slot and middle stator slot is equal；Stator
The flute profile of big stator slot, small stator slot and middle stator slot is distributed as one or both of following flute profile distribution forms in slot group:
1), four big stator slot is set to the middle part of stator slot group, and the two sides of stator slot group are respectively set that there are two small fixed
The small stator slot of pilot trench, stator slot group two sides is symmetrical arranged about the middle line of four big stator slot, and two middle stator slots are right respectively
Title is set between big stator slot and the small stator slot of two sides；
2), two big stator slot is set to the middle part of stator slot group, the two sides of stator slot group be respectively arranged with one it is small fixed
The small stator slot of pilot trench, two sides is symmetrical arranged about the middle line of four big stator slot, and two middle stator slots are respectively arranged at big fixed
Between pilot trench and the small stator slot of two sides, the middle line that two middle stator slots also relate to four big stator slot is symmetrical arranged.
Further, the circumferencial direction on the periphery of the substrate along substrate is evenly arranged 8~16 for installing
The cramp slot of cramp, the bottom of the cramp slot are set as straight line, and the upper bottom edge of cramp slot is natural along the circumferencial direction of substrate
Reasonable film trap is arranged in the bottom of wherein any one cramp slot in opening, and the shape of the reason film trap is rectangle or trapezoidal.
Further, the width of the cramp slot is 14~25mm, is highly 3~5mm, between cramp slot bevel edge and bottom edge
Angle be 15 °~25 °.
Further, the big stator slot in the stator slot group and small stator slot are on the inner circle anchor ring of substrate along substrate
Circumferencial direction is radial to be evenly arranged 21 × n, and wherein n is the number of poles of motor.
Compared with prior art the invention has the benefit that
The big sulculus stator punching that a kind of MgO-ZrO_2 brick provided by the invention is 8, for not waiting embedding of circles coil
Craftsmanship and embedding increased quality are larger, and for promoting the efficiency of motor, improvement starts, it is significant to reduce noise of motor.It can
So that slot utilization rate greatly improves, improve the distribution mechanism of stator punching yoke portion flux density.It reduces the stray loss of motor, improve electricity
The starting performance of machine reduces the temperature rise of motor, improves the efficiency of motor, saves the overall cost of motor.
Detailed description of the invention
Fig. 1 is the size stator slot overall structure diagram of embodiment one.
Fig. 2 is that the IIIth part is cramp slot and reason film trap partial enlargement structural representation in Fig. 1.
Fig. 3 is the size stator slot overall structure diagram of embodiment two.
Fig. 4 is the size stator slot overall structure diagram of embodiment three.
After Fig. 5 is part i in Fig. 4 (either Fig. 1 or Fig. 3) and the IIth part partial enlargement and projected position overlapping
Flute profile comparative structure schematic diagram, two-dot chain line is small stator slot flute profile wheel profile in figure.
Fig. 6 is the size stator slot overall structure diagram of example IV.
Fig. 7 is the size stator slot overall structure diagram of embodiment five.
After Fig. 8 is part i, the IIth part and the IVth part partial enlargement in Fig. 7 (or Fig. 6) and projected position overlapping
Flute profile comparative structure schematic diagram, two-dot chain line is small stator slot flute profile wheel profile in figure, and dotted line is middle stator slot channel shaped configuration
Line.
In figure, 1 is substrate, and 2 be stator slot group, and 21 be rectangular slot, and 22 be the first isosceles trapezoid slot, and 23 be the second isosceles
Dovetail groove, 24 be semi-circular groove, and 25 be small stator slot, and 26 be big stator slot, and 27 be middle stator slot, and 3 be cramp slot, and 4 be reason piece
Slot.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment one
A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8, it includes the substrate 1 of annulus shape, in which: according to electricity
Circumferencial direction of the machine series on the anchor ring of the substrate 1 along substrate 1 is radial to be evenly arranged at least six groups for placing
The stator slot group 2 of copper wire, MgO-ZrO_2 brick is 8 in stator slot group 2 described in each group, and stator slot group 2 includes big stator slot 26
With small stator slot 25, the flute profile and area equation of all big stator slots 26, the slot of all small stator slots 25 in a stator punching
The flute profile of shape and area equation, big stator slot 26 or small stator slot 25 is open slot, is conducive to copper wire and places；Small stator slot 25
Area be the 80%~95% of big 26 area of stator slot, the central angle between adjacent big stator slot 26 and small stator slot 25 is homogeneous
Deng, in stator slot group 2 big stator slot 26 and 25 flute profile of small stator slot distribution as shown in Figure 1, Figure 2 and Fig. 5 shown in, two big stator slot 26
It is set to the middle part of stator slot group 2, the two sides of two big stator slot 26 are respectively set that there are three small stator slot 25, big stator slots 26
The small stator slot 25 of two sides is symmetrical arranged about the middle line of two big stator slot 26, i.e., the big stator slot 26 of every extremely every 8 slots of phase
" small-small-small-big-big-small-small-small " is distributed as with small stator slot 25；
The big stator slot 26 or the basic flute profile of small stator slot 25 are " pears " shape slot, include rectangular slot 21, the
One isosceles dovetail groove 22, the second isosceles trapezoid slot 23 and semi-circular groove 24, one end close to 1 inner headed face of substrate are set as rectangle
Slot 21, the width of rectangular slot 21 are 2.5~4.2mm, and the height of rectangular slot 21 is 0.9~2.0mm；The second isosceles ladder
Shape slot 23 is set to separate center of circle one end of the first isosceles trapezoid slot 22, the upper bottom edge of the first isosceles trapezoid slot 22 with it is described rectangular
The long side of shape slot 21 is conllinear, and the bottom of the first isosceles trapezoid slot 22 is conllinear with the upper bottom edge of the second isosceles trapezoid slot 23, and first
The width of 22 bottom of isosceles trapezoid slot is 5~10mm, and the angle between the bevel edge and bottom of the first isosceles trapezoid slot 22 is
20 °~30 °, the width of 23 bottom of the second isosceles trapezoid slot is 8~15mm, the height of the second isosceles trapezoid slot 23 is 12~
40mm；The semi-circular groove 24 is set at the bottom position of the second isosceles trapezoid slot 23, the diameter of semi-circular groove 24 and
The width of two isosceles dovetail grooves, 23 bottom is equal.
Further, the circumferencial direction on the periphery of the substrate 1 along substrate 1 is evenly arranged 8~16 for pacifying
The cramp slot 3 for filling cramp, plays the role of fixed iron core, cramp flute profile is set similar to isosceles trapezoid, the bottom of the cramp slot 3
It is set to straight line, the upper bottom edge of cramp slot 3 is naturally open along the circumferencial direction of substrate 1, in the bottom of wherein any one cramp slot 3
Reasonable film trap 4 is set, and the shape of the reason film trap 4 is rectangle or trapezoidal, and reason film trap 4 is used for laminating stator cores, guarantees
Punching directionality is unanimously used, and it is highly 1.5~4mm that the width of reason 4 upper bottom edge of film trap, which is 3~4mm,.
Further, the width of the cramp slot 3 is 14~25mm, is highly 3~5mm, 3 bevel edge of cramp slot and bottom edge it
Between angle be 15 °~25 °.
Further, the big stator slot 26 in the stator slot group 2 and small stator slot 25 edge on the inner circle anchor ring of substrate 1
The circumferencial direction of substrate 1 is radial to be evenly arranged 24 × n, i.e., 3 (phase) × 8 (MgO-ZrO_2 brick) × n, wherein n is
The number of poles of motor.
The threephase asynchronous test data for the big sulculus stator punching that acquisition is 8 using MgO-ZrO_2 brick saves copper
In 0.1~0.25Kg/KW, electric efficiency is all satisfied and is slightly above standard IE2 and IE3 efficiency value.
Embodiment two
The geomery of big stator slot 26 and small stator slot 25 is the same as example 1 in stator slot group 2, big stator slot 26
As shown in Figure 3 and Figure 5 with the distribution of small 25 flute profile of stator slot, four big stator slot 26 is set to the middle part of stator slot group 2, four big
The two sides of stator slot 26 are respectively set there are two small stator slot 25, the two small stator slot 25 of four 26 sides of big stator slot and
The two small stator slot 25 of four 26 other sides of big stator slot is symmetrical arranged about the middle line of four big stator slot 26, i.e., every pole
The big stator slot 26 and small stator slot 25 of 8 slots of every phase are distributed as " small-small-big-big-big-big-small-small ".
The threephase asynchronous test data for the big sulculus stator punching that acquisition is 8 using MgO-ZrO_2 brick saves copper
In 0.1~0.25Kg/KW, electric efficiency is all satisfied and is slightly above standard IE2 and IE3 efficiency value.
Embodiment three
The geomery of big stator slot 26 and small stator slot 25 is the same as example 1 in stator slot group 2, big stator slot 26
As shown in Figure 4 and Figure 5 with the distribution of small 25 flute profile of stator slot, six big stator slot 26 is set to the middle part of stator slot group 2, six big
The two sides of stator slot 26 are respectively arranged with one small stator slot 25, and two small stator slot 25 is about in six big stator slot 26
Line is symmetrical arranged, i.e., the big stator slot 26 and small stator slot 25 of every extremely every 8 slots of phase be distributed as " it is small-big-big-big-big-big-
Greatly-small ".
The threephase asynchronous test data for the big sulculus stator punching that acquisition is 8 using MgO-ZrO_2 brick saves copper
In 0.1~0.25Kg/KW, electric efficiency is all satisfied and is slightly above standard IE2 and IE3 efficiency value.
Example IV
As shown in Figure 6 and Figure 8, in the present embodiment four, middle stator slot 27 is additionally provided in the stator slot group 2, in it is fixed
The area of pilot trench 27 is between 26 area of area and big stator slot of small stator slot 25, adjacent big stator slot 26, small stator slot
Central angle between 25 and middle stator slot 27 is equal；Big stator slot 26, small stator slot 25 and middle stator slot 27 in stator slot group 2
Flute profile distribution are as follows: four big stator slot 26 is set to the middle part of stator slot group 2, and the two sides of stator slot group 2 are respectively arranged with two
The small stator slot 25 of a small stator slot 25,2 two sides of stator slot group is symmetrical arranged about the middle line of four big stator slot 26, in two
Stator slot 27 is symmetrically arranged between big stator slot 26 and the small stator slot 25 of two sides；The big of i.e. every extremely every 8 slots of phase is determined
Pilot trench 26, being distributed as of small stator slot 25 and middle stator slot 27 " it is small-in-it is big-big-big-big-in-it is small ".
The threephase asynchronous test data for the big sulculus stator punching that acquisition is 8 using MgO-ZrO_2 brick saves copper
In 0.1~0.25Kg/KW, electric efficiency is all satisfied and is slightly above standard IE2 and IE3 efficiency value.
Embodiment five
The geomery of big stator slot 26, small stator slot 25 and middle stator slot 27 is identical as example IV in stator slot group 2,
As shown in Figure 7 and Figure 8, two big stator slot 26 is arranged for the flute profile distribution of big stator slot 26, small stator slot 25 and middle stator slot 27
In the middle part of stator slot group 2, the two sides of stator slot group 2 are respectively arranged with one small stator slot 25, and the small stator slot 25 of two sides closes
It is symmetrical arranged in the middle line of four big stator slot 26, two middle stator slots 27 are respectively arranged at the small fixed of big stator slot 26 and two sides
Between pilot trench 25, the middle line that two middle stator slots 27 also relate to four big stator slot 26 is symmetrical arranged, i.e., every extremely every 8 slots of phase
Big stator slot 26, being distributed as of small stator slot 25 and middle stator slot 27 " it is small-in-in-it is big-big-in-in-it is small ".
The threephase asynchronous test data for the big sulculus stator punching that acquisition is 8 using MgO-ZrO_2 brick saves copper
In 0.1~0.25Kg/KW, electric efficiency is all satisfied and is slightly above standard IE2 and IE3 efficiency value.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
It is familiar with those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (5)
1. the big sulculus stator punching that a kind of MgO-ZrO_2 brick is 8, it includes the substrate (1) of annulus shape, it is characterised in that:
At least six have been evenly arranged according to circumferencial direction of the motor series on the anchor ring of the substrate (1) along substrate (1) is radial
Group is for placing the stator slot group (2) of copper wire, and MgO-ZrO_2 brick is 8 in stator slot group (2) described in each group, stator slot group
It (2) include big stator slot (26) and small stator slot (25), the area of small stator slot (25) is the 80% of big stator slot (26) area
~95%, the central angle between adjacent big stator slot (26) and small stator slot (25) is equal, big stator slot in stator slot group (2)
(26) and small stator slot (25) flute profile is distributed as one or both of following flute profile distribution forms:
1), two big stator slot (26) is set to the middle part of stator slot group (2), and the two sides of two big stator slot (26) are respectively set
There are three small stator slot (25), middle line pair of the small stator slot (25) of big stator slot (26) two sides about two big stator slot (26)
Claim setting；
2), four big stator slot (26) is set to the middle part of stator slot group (2), and the two sides of four big stator slot (26) are respectively set
There are two small stator slot (25), the two small stator slot (25) of four big stator slot (26) side and four big stator slot (26) are another
The small stator slot (25) of two of side is symmetrical arranged about the middle line of four big stator slot (26)；
3), six big stator slot (26) is set to the middle part of stator slot group (2), and the two sides of six big stator slot (26) are respectively set
There is one small stator slot (25), two small stator slot (25) is symmetrical arranged about the middle line of six big stator slot (26)；
The big stator slot (26) or small stator slot (25) include rectangular slot (21), the first isosceles trapezoid slot (22), the
Two isosceles dovetail grooves (23) and semi-circular groove (24), one end close to substrate (1) inner headed face is set as rectangular slot (21), rectangular
The width of shape slot (21) is 2.5~4.2mm, and the height of rectangular slot (21) is 0.9~2.0mm；The second isosceles trapezoid slot
(23) separate center of circle one end of the first isosceles trapezoid slot (22), the upper bottom edge of the first isosceles trapezoid slot (22) and the length are set to
The long side of square groove (21) is conllinear, and the upper bottom edge of the bottom of the first isosceles trapezoid slot (22) and the second isosceles trapezoid slot (23) is total
Line, the width of first isosceles trapezoid slot (22) bottom are 5~10mm, the bevel edge of the first isosceles trapezoid slot (22) and bottom it
Between angle be 20 °~30 °, the width of second isosceles trapezoid slot (23) bottom is 8~15mm, the second isosceles trapezoid slot (23)
Height be 12~40mm；The semi-circular groove (24) is set at the bottom position of the second isosceles trapezoid slot (23), semicircle
The diameter of shape slot (24) is equal with the width of second isosceles trapezoid slot (23) bottom.
2. the big sulculus stator punching that a kind of MgO-ZrO_2 brick according to claim 1 is 8, it is characterised in that: described
Be additionally provided in stator slot group (2) middle stator slot (27), the area of middle stator slot (27) between small stator slot (25) area with
Between big stator slot (26) area, the central angle between adjacent big stator slot (26), small stator slot (25) and middle stator slot (27)
It is equal；The flute profile of big stator slot (26), small stator slot (25) and middle stator slot (27) is distributed as following slots in stator slot group (2)
One or both of shape distribution form:
1), four big stator slot (26) is set to the middle part of stator slot group (2), and the two sides of stator slot group (2) are respectively arranged with two
The small stator slot (25) of a small stator slot (25), stator slot group (2) two sides is symmetrically set about the middle line of four big stator slot (26)
It sets, two middle stator slots (27) are symmetrically arranged between the small stator slot (25) of big stator slot (26) and two sides；
2), two big stator slot (26) is set to the middle part of stator slot group (2), and the two sides of stator slot group (2) are respectively arranged with one
The small stator slot (25) of a small stator slot (25), two sides is symmetrical arranged about the middle line of four big stator slot (26), fixed in two
Pilot trench (27) is respectively arranged between big stator slot (26) and the small stator slot (25) of two sides, and two middle stator slots (27) also relate to
The middle line of four big stator slot (26) is symmetrical arranged.
3. the big sulculus stator punching that a kind of MgO-ZrO_2 brick according to claim 1 is 8, it is characterised in that: in institute
It states the circumferencial direction on the periphery of substrate (1) along substrate (1) and is evenly arranged 8~16 cramp slots (3) for being used to install cramp,
The bottom of the cramp slot (3) is set as straight line, and the upper bottom edge of cramp slot (3) is naturally open along the circumferencial direction of substrate (1),
The bottom of any one cramp slot (3) is arranged reasonable film trap (4) wherein, the shape of reason film trap (4) be rectangle or
It is trapezoidal.
4. the big sulculus stator punching that a kind of MgO-ZrO_2 brick according to claim 3 is 8, it is characterised in that: described
The width of cramp slot (3) is 14~25mm, is highly 3~5mm, angle of the cramp slot (3) between bevel edge and bottom edge be 15 °~
25°。
5. the big sulculus stator punching that a kind of MgO-ZrO_2 brick according to claim 1 is 8, it is characterised in that: described
Big stator slot and small stator slot in stator slot group (2) radiate on the inner circle anchor ring of substrate (1) along the circumferencial direction of substrate (1)
Shape has been evenly arranged 24 × n, and wherein n is the number of poles of motor.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612476.3A CN110535257A (en) | 2019-07-09 | 2019-07-09 | A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8 |
| PCT/CN2020/096955 WO2021004251A1 (en) | 2019-07-09 | 2020-06-19 | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
| EP20837493.4A EP3998694B1 (en) | 2019-07-09 | 2020-06-19 | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
| EP20837147.6A EP3998697B1 (en) | 2019-07-09 | 2020-06-19 | Ie5 three-phase asynchronous motor based on cast aluminum rotor and stator laminations having slots of unequal size |
| PCT/CN2020/096945 WO2021004250A1 (en) | 2019-07-09 | 2020-06-19 | Ie5 three-phase asynchronous motor based on cast aluminum rotor and stator laminations having slots of unequal size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612476.3A CN110535257A (en) | 2019-07-09 | 2019-07-09 | A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110535257A true CN110535257A (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910612476.3A Pending CN110535257A (en) | 2019-07-09 | 2019-07-09 | A kind of big sulculus stator punching that MgO-ZrO_2 brick is 8 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682665A (en) * | 2020-06-19 | 2020-09-18 | 山西电机制造有限公司 | IE5 three-phase asynchronous motor based on unequal-slot punching sheets of stator and cast-aluminum rotor |
| WO2021004251A1 (en) * | 2019-07-09 | 2021-01-14 | 山西电机制造有限公司 | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553134A (en) * | 2016-01-20 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator punching plate as well as stator module and compressor provided with same |
| CN207588570U (en) * | 2017-08-01 | 2018-07-06 | 江天电机有限公司 | A kind of 4 pole ultra high efficiency stator punchings for being applicable in air compressor motor |
| CN207743774U (en) * | 2018-01-11 | 2018-08-17 | 山西电机制造有限公司 | A kind of stator punching |
| CN210985755U (en) * | 2019-07-09 | 2020-07-10 | 山西电机制造有限公司 | Stator punching sheet with large and small slots, each pole and each phase of slots of 8 |
-
2019
- 2019-07-09 CN CN201910612476.3A patent/CN110535257A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553134A (en) * | 2016-01-20 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator punching plate as well as stator module and compressor provided with same |
| CN207588570U (en) * | 2017-08-01 | 2018-07-06 | 江天电机有限公司 | A kind of 4 pole ultra high efficiency stator punchings for being applicable in air compressor motor |
| CN207743774U (en) * | 2018-01-11 | 2018-08-17 | 山西电机制造有限公司 | A kind of stator punching |
| CN210985755U (en) * | 2019-07-09 | 2020-07-10 | 山西电机制造有限公司 | Stator punching sheet with large and small slots, each pole and each phase of slots of 8 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021004251A1 (en) * | 2019-07-09 | 2021-01-14 | 山西电机制造有限公司 | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
| CN111682665A (en) * | 2020-06-19 | 2020-09-18 | 山西电机制造有限公司 | IE5 three-phase asynchronous motor based on unequal-slot punching sheets of stator and cast-aluminum rotor |
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