CN209282941U - Laminated core unit and laminated core - Google Patents
Laminated core unit and laminated core Download PDFInfo
- Publication number
- CN209282941U CN209282941U CN201822006707.XU CN201822006707U CN209282941U CN 209282941 U CN209282941 U CN 209282941U CN 201822006707 U CN201822006707 U CN 201822006707U CN 209282941 U CN209282941 U CN 209282941U
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- lamellar body
- laminated core
- laminated
- core unit
- lamellar
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000003475 lamination Methods 0.000 claims abstract description 18
- 230000035515 penetration Effects 0.000 claims abstract description 10
- 230000004927 fusion Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241001515806 Stictis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a kind of laminated core unit and laminated core, wherein the laminated core unit includes multiple lamellar bodies.Each lamellar body has opposite first side and second side, lamellar body elder generation laminated is unfolded to be formed radial arc-shaped with predetermined curvature around a central axis after being welded and fixed together at the first side of predetermined length and each adjacent two lamellar body, the second side of each adjacent two lamellar body is disconnected from each other to scatter, and the fusion penetration wherein welded between the first side of each adjacent two lamellar body is less than or equal to 0.3mm.The utility model solves the problems, such as that existing longitudinal arrangement iron core can not really realize the radial circumference arrangement of the silicon steel sheet of each monolithic, and this production method radiates path center consistency when being easier to ensure that lamination compared with the existing technology, deflection, the problems such as verticality is bad after lamination molding are substantially improved, is conducive to improve volume production ability.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of laminated core unit and including the laminated core
The laminated core of unit, wherein the laminated core unit and the laminated core are radial.
Background technique
Existing electric machine iron core is generally formed by laminated after silicon steel sheet punching press, also referred to as laminated core.With current motor skill
The update and development of art need to rely on some special, distinguished magnetic Circuit Designs in some new technologies of motor field, special
Different magnetic Circuit Design determines the particularity in lamination direction.Wherein longitudinal magnetic Circuit Design is exactly a kind of at present more special unique
By the way of magnetic Circuit Design, and longitudinal magnetic Circuit Design needs the laminated core of longitudinal arrangement, i.e. laminated core need to be using longitudinal direction laminations,
Silicon steel sheet wound core axis is laminated.But its manufacturing process of the laminated core of longitudinal arrangement is extremely complex, difficult forming,
Some significant dimensions such as the verticality, circularity, concentricity of laminated core are caused to be difficult to ensure due to a lack of reasonable structure, when volume production
Consistency be even more do not know where to begin.Specifically, there is the frequent problem when laminated core production of longitudinal arrangement: first,
It is inconsistent that path center is radiated when each silicon steel sheet lamination, silicon steel sheet is in crooked shape and directly results in motor operation vortex greatly, magnetic
Road path is longer, and iron loss is big；Second, to side deflection after iron core forming, follows the example of and guarantee the good preferable verticality of iron core, thus
Cause motor gas-gap is extremely uneven even to rub；Third, existing production method inefficiency, the amount of significantly limiting
Production capacity power etc..
A kind of laminated core structure of longitudinal arrangement is that multi-disc silicon steel sheet riveting is first built up iron core block, then again by multiple iron
Pellet is integral in radiation divergent shape arrangement connection around a central point.Although this core structure has been provided with productivity,
But its structure be only by multiple iron core blocks formed circumference arrangement, and and proper each individual silicon steel is not implemented
Piece is all arranged radially to form circumference arrangement around central point, and so as to cause the lengthening of motor magnetic circuit path, iron core vortex increases
To which iron loss is higher, the demand of longitudinal magnetic Circuit Design cannot be adapted to completely.
Utility model content
The purpose of the utility model is to provide a kind of laminated core unit and the lamination iron including the laminated core unit
Core, its verticality of the laminated core of longitudinal arrangement, circularity, concentricity are difficult to ensure in the prior art for solution, cannot be adapted to completely
The problem of demand of longitudinal magnetic Circuit Design, limit amount production capacity power, to effectively improve iron core manufacturing quality and optimize motor magnetic
Electric efficiency and power density are improved in road, reduce motor volume.
To solve the above problems, the utility model provides a kind of laminated core unit, the laminated core unit includes more
A lamellar body.Each lamellar body has opposite first side and second side, and lamellar body elder generation laminated is at predetermined length and every phase
It is unfolded to be formed with predetermined curvature around a central axis after being welded and fixed together in the first side of adjacent two lamellar bodies
Radial arc-shaped, the second side of each adjacent two lamellar body is disconnected from each other to scatter, wherein each adjacent two lamellar body
First side between the fusion penetration that welds be less than or equal to 0.3mm.
According to an embodiment of the present invention, welded between the first side of each adjacent two lamellar body by multiple positions
It is fixed.
According to an embodiment of the present invention, it is unfolded and joins end to end around central axis after all lamellar body laminateds
To form circumference.
Another aspect according to the present utility model, the utility model further provide for a kind of laminated core, the lamination iron
Core includes one or more according to laminated core unit described in any of the above embodiments.When laminated core unit is one, institute
It is unfolded and joins end to end to form circumference around central axis after some lamellar body laminated；When laminated core unit is multiple
When, all laminated core cell rings connect integral around central axis arrangement head and the tail.
According to an embodiment of the present invention, the laminated core further includes fixed ring, the lamination that Fixing shrink ring residence has
Body is to reinforce the intensity between lamellar body.
According to an embodiment of the present invention, Fixing shrink ring is in the first side or second side of lamellar body.
According to an embodiment of the present invention, Fixing shrink ring is between the first side and second side of lamellar body.
According to an embodiment of the present invention, the first side or second side of each lamellar body have groove, or every
There is groove, fixed ring is nested in groove between the first side and second side of one lamellar body.
According to an embodiment of the present invention, fixed ring entangles lamination by way of welding, bonding or interference fit
Body.
According to an embodiment of the present invention, the quantity of laminated core unit is multiple, all laminated core unit rows
Cloth forms circumference or petal.
Compared with prior art, the technical program has the advantage that
The utility model by will be first welded and fixed between the first side of multiple lamellar bodies and laminated together, and weld
The fusion penetration connect is less than or equal to 0.3mm, i.e. welding penetration between lamellar body is very shallow, then by the lamellar body after laminated around one
Central axis expansion, so that all lamellar bodies are still secured to together by the welding effect of first side, but it is all
The second side of lamellar body is mutually scattered, to realize that the lamellar body of each monolithic is surround on real stricti jurise
Central axis expands radially, and forms the arc-shaped laminated core unit with curvature.According to the number of lamellar body quantity
With the difference of curvature after expansion, lamellar body, which can both have been wound, to be formed 360 ° of concentric plans and obtains laminated core unit annular in shape,
The laminated core unit to form the circular shape of the other angles such as 60 °, 90 °, 180 ° can be made.Furthermore multiple laminations
Iron core unit can be connected further around a central axis form 360 ° of circumference to be made laminated core annular in shape or
The laminated core of other irregular petal shapes of person.This production molding mode of the utility model is unique novel, due to adjacent
Welding penetration is very shallow between two lamellar bodies, both ensure that be capable of fixing between the first side of lamellar body together in this way,
In turn ensure that opposite second side can scatter with radial arrangement.The utility model solves longitudinal row in the prior art
The iron core of column can not really realize the problem of silicon steel sheet radial circumference of each monolithic is arranged, and this production side
Path center consistency is radiated when formula is easier to ensure that lamination compared with the existing technology, substantially improve deflection after lamination molding,
The problems such as verticality is bad is conducive to improve volume production ability.
The lamellar body that the utility model has by Fixing shrink ring residence can reinforce the bonding strength between lamellar body, keep away
Exempt from lamellar body to scatter each other in use, extends the service life of the laminated core.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the single lamellar body of laminated core unit provided by the utility model；
Fig. 2 be the lamellar body laminated together after side view；
Fig. 3 be laminated together after the lamellar body expand radially to form arc-shaped laminated core unit
Top view；
Fig. 4 be laminated together after the lamellar body expand radially to form circular laminated core unit
Top view, wherein all lamellar bodies are unfolded around central axis and join end to end to form circumference；
Fig. 5 is the schematic perspective view of the circular laminated core unit in Fig. 4；
Fig. 6 be laminated together after the lamellar body expand radially to form petal-like laminated core unit
Top view；
Fig. 7 is a kind of top view of laminated core provided by the utility model, and wherein Fixing shrink ring is in the top margin of lamellar body
And between first side and second side；
Fig. 8 is the top view of another laminated core provided by the utility model, wherein Fixing shrink ring in lamellar body the
Dual side-edge.
Specific embodiment
It is described below and is served only for disclosing the utility model so that those skilled in the art can implement the utility model.With
Embodiment in lower description is only used as illustrating, it may occur to persons skilled in the art that other obvious deformations.It is retouched following
The basic principle of the utility model defined in stating can be applied to other embodiments, deformation scheme, improvement project, equivalent program
And other are without departing from other schemes of the spirit and scope of the utility model.
The utility model provides a kind of laminated core unit more particularly to a kind of laminated core list being arranged radially
Member, the laminated core unit are suitable for the laminated core of motor.Specifically, the laminated core unit 1 includes multiple laminations
Body 10.
As shown in Figure 1, lamellar body 10 is the silicon steel sheet of rectangle made of punching press.Each lamellar body 10 has opposite first
Side 11 and second side 12.
Lamellar body 10 has at least one groove 101, and groove 101 is set to first side 11 or second side 12, or
Person's groove 101 is located between the first side 11 and second side 12 of lamellar body 10.That is, the position of groove 101 has
A variety of situations: first is that groove 101 is set to first side 11；Second is that second side 12 is arranged in groove 101；Third is that groove 101 is set
The top margin being placed between the first side 11 of lamellar body 10 and second side 12 or bottom edge, as shown in figure 1 location A and B location
Shown, wherein being based on direction shown in FIG. 1, the top edge of lamellar body 10 is the top margin of lamellar body 10, as shown in figure 1 shown in location A,
Conversely, the lower edge of lamellar body 10 is the bottom edge of lamellar body 10, as shown in figure 1 shown in B location.Optionally, in addition, groove 101
Quantity be it is multiple, the position of the multiple groove 101 can be different, can also be identical.For example, lamination shown in Fig. 1
The tool of body 10 is there are four groove 101, and two of them groove 101 is all set in second side 12, and two grooves 101 in addition are set respectively
It is placed between the first side 11 of lamellar body 10 and second side 12.In another example in another embodiment, the quantity of groove 101
It is two, two grooves 101 are all set in the first side 11 of lamellar body 10.The shape of groove 101 can be rectangular channel, such as scheme
Shown in 1, or the groove of other shapes, such as the groove of arc.
As shown in Fig. 2, the first laminated of lamellar body 10, at predetermined length, the lamellar body 10 after laminated forms strip.Per adjacent
The first side 11 of two lamellar bodies 10 is welded and fixed together, and the first side 11 of each adjacent two lamellar body 10 it
Between the fusion penetration that welds be less than or equal to 0.3mm, that is to say, that the fusion penetration welded between lamellar body 10 is very shallow.
Optionally, in order to guarantee that the connection between all lamellar bodies 10 is sufficiently tight, each adjacent two lamellar body 10
It is fixed between first side 11 by the welding of multiple positions.Lamellar bodies 10 all in this way can form a plurality of weld mark
Mark.For example, the different location at two intervals of the first side of each adjacent two lamellar body 10 is welded respectively, in a pile
The first side 11 of the lamellar body 10 of laminated together forms two parallel weld marks.
As shown in figure 3, the first laminated of lamellar body 10 is welded at the first side of predetermined length and each adjacent two lamellar body 10
It connects after being fixed together and to be unfolded to be formed around a central axis radial arc-shaped with predetermined curvature, each adjacent two is folded
The second side 12 of sheet body 10, which mutually separates, scatters.It is understood that due to there was only first side 11 between lamellar body 10
It is weldingly fixed on together, and second side 12 is not fixed together, therefore, when the more of laminated growth strip
When a lamellar body 10 is wound around a central axis towards first side 11, the second side 12 of all lamellar bodies 10 will mutually be divided
It is discrete to open so that all lamellar bodies 10 around central axis radially distribute and formed it is arc-shaped, each monolithic
Lamellar body 10 is distributed in using central axis as on the circumference in the center of circle, each lamellar body 10 is towards central axis.For changing
It, this production method realizes the lamellar body 10 of each proper monolithic around radial point of central axis
Cloth simultaneously forms the arc-shaped laminated core unit 1 with predetermined curvature.
It is noted that since the fusion penetration welded between the first side 11 of each adjacent two lamellar body 10 is no more than
0.3mm, fusion penetration is very shallow, on the one hand such design ensure that multiple lamellar bodies 10 together of laminated around central axis
It will not be separated from each other and scatter between first side 11 when winding, on the other hand can guarantee again can divide between second side 12 each other
It is discrete to open, so that can be opened slightly with shape in an angle by a small margin between two lamellar bodies 10 of arbitrary neighborhood, thus institute
Being formed after some expansion of lamellar body 10 has the radial arc-shaped of predetermined curvature.
In practical manufacturing process, by laminated together after multiple lamellar bodies 10 be put into molding die and according to setting
Fixed radius forms the laminated core unit 1 being arranged radially with predetermined curvature.In other words, all laminations
Body 10, which is molded, is worth the laminated core unit 1.
In Fig. 4 and the laminated core unit 1 shown in fig. 5, around central axis after all 10 laminateds of lamellar body
Line is unfolded and joins end to end to form circumference, i.e., all windings of lamellar body 10 form 360 ° of closed circumferences to be made annular in shape
The laminated core unit 1, wherein the first side 11 of lamellar body 10 is located at the inside of annulus, and second side 12 is then located at
The outside of annulus, all lamellar bodies 10 are distributed around the central axis of annulus.It is noted that according to the number of lamellar body 10
The difference of amount is different with curvature after expansion, and lamellar body 10 can both wind to form circular laminated core unit 1, can also make
Form the arc-shaped laminated core unit 1 of other angles.For example, lamellar body 10 can wind to be formed 30 °, 45 °, 60 °,
The laminated core unit 1 of the multiple angles such as 75 °, 90 °, 120 ° or 180 °.No matter which kind of arc angle winding forms
The laminated core unit 1, all lamellar bodies 10 radially distribute on the circumference using central axis as the center of circle, own
Lamellar body 10 towards central axis.
The utility model also provides a kind of laminated core, and the laminated core is suitable for motor.Specifically, the lamination iron
Core includes one or more above-mentioned laminated core units 1.When being one for laminated core unit 1, all lamellar bodies 10
It is unfolded and joins end to end around central axis to form circumference after laminated, as shown in Figure 4 and Figure 5, forms circle in such cases
The cricoid laminated core unit 1 becomes the laminated core.
When laminated core unit 1 is multiple, laminated core unit 1 is in the arc less than 360 °, all laminated cores
Unit 1 connects integral around central axis arrangement head and the tail.For example, 6 windings can be formed 60 ° it is arc-shaped described folded
The laminated core circular around central axis arrangement head and the tail connection composition of piece iron core unit 1.In another example can be by one
A winding forms 180 ° of arc-shaped laminated core units 1 and two winding shape arc-shaped laminated cores in 90 °
1 three of the unit laminated core circular around central axis arrangement head and the tail connection composition.
It is noted that the multiple laminated core unit 1 can be with when the laminated core unit 1 is multiple
It is formed petal.For example, as shown in fig. 6,60 ° of arc-shaped laminated core units 1 can be rolled into one by 8
The arrangement head and the tail connection of mandrel line forms petal.To sum up, owning in the case where the laminated core unit 1 is multiple
The laminated core unit 1 arrangement form circumference or petal.
Further, the laminated core further includes fixed ring 2, and fixed ring 2 is using rigid material, for example, fixed ring 2
Material can be metal, carbon fiber or other high-strength materials.Fixed ring 2 entangles all lamellar bodies 10 to reinforce lamellar body 10
Between intensity.As shown in figure 8, fixed ring 2 is placed on the second side 12 of lamellar body 10, that is, it is surrounded on and connects integral lamination
The outer rim of iron core unit 1 and by all 10 bandings of lamellar body.Specifically, the second side 12 of all lamellar bodies 10 is in same position
It sets and all has groove 101, as shown in Figure 1, fixed ring 2 is nested in the groove 101 for being set to second side 12 of lamellar body 10,
Thus by all 10 bandings of lamellar body.
In another embodiment, fixed ring 2 is placed on the first side 11 of lamellar body 10, that is, is surrounded on and connects integral fold
The inner edge of piece iron core unit 1 and by all 10 bandings of lamellar body.Specifically, the first side 11 of all lamellar bodies 10 is same
One position all has groove 101, and fixed ring 2 is nested in the groove 101 for being set to first side 11 of lamellar body 10, thus will
All 10 bandings of lamellar body.
In another embodiment, as shown in fig. 7, fixed ring 2 is placed on the first side 11 and second side 12 of lamellar body 10
Between top margin.Same position of all lamellar bodies 10 between first side 11 and second side 12 has groove 101, Gu
Determine ring 2 to be nested in groove 101, thus by all 10 bandings of lamellar body.
In another embodiment, lamellar body 10 omits groove 101, and fixed ring 2 is directly placed on the second side of lamellar body 10
12, i.e. fixed ring 2 is surrounded on the outer rim for connecting integral laminated core unit 1, and by all 10 bandings of lamellar body.
To sum up, the position setting of fixed ring 2 has a variety of situations, the cross-sectional shape of fixed ring 2 and groove 101
Shape matching coincide, fixed ring 2 by being nested in the groove 101 of 10 different location of the lamellar body lamellar body 10 all come banding,
To reinforce the bonding strength between lamellar body 10, separation is avoided to scatter.In addition, the quantity of fixed ring 2 can be multiple,
Such as 2,3 or 4, different fixed rings 2 is respectively nested in the groove 101 of 10 different location of lamellar body.
For example, be equipped at intervals with the lamellar body 10 of 2 grooves 101 in second side 12, the quantity of fixed ring 2 is correspondingly 2, two
A fixed ring 2 is nested in respectively in two grooves 101 of second side 12.In another example if 12 He of second side of lamellar body 10
Top margin is respectively provided with a groove 101, and the quantity of fixed ring 2 is also correspondingly two, and one of fixed ring 2 is nested in second
In the groove 101 of side 12, another fixed ring 2 is nested in the top margin of lamellar body 10.Multiple fixed rings 2 are set, it can be from difference
All 10 bandings of lamellar body are further strengthened the bonding strength between lamellar body 10 by position.
In practical manufacturing process, fixed ring 2 entangles lamellar body 10 by way of welding, bonding or interference fit ground.
For example, by the way that tighter fit dimension is arranged in fixed ring 2 and lamellar body 10, making in a manner of using interference fit
Fixed ring 2 be placed on after lamellar body 10 can banding lamellar body 10, and no longer need such as weld by other or glue
The mode connect is further connected and fixed.For example, all lamellar bodies 10 can be put into and depend on a cylindrical mold
Carry out laminated core unit 1 described in molding making, cylindrical mold may insure that the laminated core unit 1 obtained has foot
Enough round and smooth arc-shaped profiles and the diameter for limiting circular arc.
The laminated core unit 1 provided by the utility model and the laminated core including the laminated core unit 1
Structure and the more unique novelty of production method.By first that multiple 10 laminateds of lamellar body are blocking then around a central axis exhibition
The mode opened realizes the radial arrangement of all single lamellar bodies 10 and is formed with the arc-shaped of predetermined curvature, and
And iron core technique of this production method relative to traditional longitudinal arrangement, laminated core obtained its verticality, circularity, with one heart
The significant dimensions indexs such as degree are preferable, have good productibility, can guarantee consistency when volume production, improve volume production ability,
Also solve the problems, such as that the motor operation of the iron core of conventionally employed longitudinal arrangement is vortexed big magnetic circuit path length, to reduce motor iron
Consumption.In addition, the laminated core unit 1 provided by the utility model can make the circular shape to form a variety of different angles,
The laminated core unit 1 of the circular shape of multiple and different angles further may be made formation rule annulus shape or
The irregular various petal shapes of person.The laminated core can be wound by the single laminated core unit 1 brake forming or
By multiple 1 combination formings of laminated core unit, production form is varied, flexible and changeable.
It will be appreciated by those skilled in the art that foregoing description and the embodiments of the present invention shown in the drawings are only made
For citing, it is not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.The function of the utility model
It can show and illustrate in embodiment with structural principle, without departing from the principle, the implementation of the utility model
Mode can have any deformation and modification.
Claims (10)
1. a kind of laminated core unit characterized by comprising
Multiple lamellar bodies, each lamellar body have opposite first side and second side, lamellar body elder generation laminated at
It is unfolded after being welded and fixed together around a central axis first side of lamellar body described in predetermined length and each adjacent two
Being formed has the radial arc-shaped of predetermined curvature, and the second side of lamellar body described in each adjacent two is disconnected from each other to be dissipated
It opens, the fusion penetration wherein welded between the first side of lamellar body described in each adjacent two is less than or equal to 0.3mm.
2. laminated core unit according to claim 1, which is characterized in that the first side of lamellar body described in each adjacent two
It is fixed between side by the welding of multiple positions.
3. according to claim 1 or 2 any laminated core units, which is characterized in that all lamellar body laminateds
It is unfolded and joins end to end to form circumference around central axis later.
4. a kind of laminated core characterized by comprising
One or more according to claim 1 or 2 any laminated core units, when the laminated core unit is one
When a, it is unfolded and joins end to end to form circumference around central axis after all lamellar body laminateds；When the lamination
When iron core unit is multiple, all laminated core cell rings connect integral around central axis arrangement head and the tail.
5. laminated core according to claim 4, which is characterized in that the laminated core further includes fixed ring, described solid
The lamellar body that ring set residence has is determined to reinforce the intensity between the lamellar body.
6. laminated core according to claim 5, which is characterized in that the Fixing shrink ring in the lamellar body described
A side or the second side.
7. laminated core according to claim 5, which is characterized in that the Fixing shrink ring in the lamellar body described
Between a side and the second side.
8. any laminated core of according to claim 6 or 7, which is characterized in that described the first of each lamellar body
Side or second side have and have between groove or the first side and the second side of each lamellar body
Groove, the fixed ring are nested in the groove.
9. according to any laminated core of claim 5-7, which is characterized in that the fixed ring by welding, bonding or
The mode of person's interference fit entangles the lamellar body.
10. according to any laminated core of claim 4-7, which is characterized in that the quantity of the laminated core unit is
Multiple, all laminated core units arrange to form circumference or petal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006707.XU CN209282941U (en) | 2018-11-30 | 2018-11-30 | Laminated core unit and laminated core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006707.XU CN209282941U (en) | 2018-11-30 | 2018-11-30 | Laminated core unit and laminated core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209282941U true CN209282941U (en) | 2019-08-20 |
Family
ID=67609191
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006707.XU Expired - Fee Related CN209282941U (en) | 2018-11-30 | 2018-11-30 | Laminated core unit and laminated core |
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| Country | Link |
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| CN (1) | CN209282941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347218A (en) * | 2018-11-30 | 2019-02-15 | 卧龙电气集团股份有限公司 | Laminated core unit and laminated core |
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2018
- 2018-11-30 CN CN201822006707.XU patent/CN209282941U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347218A (en) * | 2018-11-30 | 2019-02-15 | 卧龙电气集团股份有限公司 | Laminated core unit and laminated core |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 |