CN207782499U - stator punching and stator core - Google Patents
stator punching and stator core Download PDFInfo
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- CN207782499U CN207782499U CN201820133188.0U CN201820133188U CN207782499U CN 207782499 U CN207782499 U CN 207782499U CN 201820133188 U CN201820133188 U CN 201820133188U CN 207782499 U CN207782499 U CN 207782499U
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Abstract
The utility model provides a kind of stator punching and stator core, is related to the technical field of motor, the stator punching includes punching ontology, and the circular sheet-like structures part of through-hole is offered centered on the punching ontology；The outer edge of the punching ontology offers the outer diameter groove of multiple openings outwardly, and multiple outer diameter grooves are arranged successively along the outer edge of the punching ontology；Multiple outer diameter grooves are used for wiring, and for passing through cooling medium at the notch of the outer diameter groove；Outer diameter tooth is formed between the adjacent outer diameter groove of each two；Outer diameter tooth was equipped with recirculation hole, and the recirculation hole of crossing is used to pass through for cooling medium；The inside edge of the punching ontology offers multiple inner diameter channels；The outer diameter groove and the inner diameter channel are correspondingly arranged.Alleviate the technical issues of temperature liter existing for the stator core of motor in the prior art cannot be controlled effectively.
Description
Technical field
The utility model is related to motor technology fields, more particularly, to a kind of stator punching and stator core.
Background technology
Magneto has its distinctive excellent performance, with the increasingly raising required environmental protection and energy saving so that Permanent Magnet and Electric
The application range of machine at home and abroad is more extensive.The stator punching of conventional motors is punching inner radius punching dress wiring slot, punching
Piece outer diameter is cramp slot that is smooth or only having a small amount of shallower stator punching to laminate tension.Conventional motors iron core uses
The silicon steel plate stacking of 0.5mm thickness forms.Motor uses thicker silicon steel sheet, and eddy-current loss is bigger, i.e., iron loss is bigger.Motor ventilation
Heat dissipation mainly carries out by inner cavity ventilation into air gap or radial wind path, the cooling medium and inside and outside wall contact surface of out frame cold
But it radiates.
High for ultrahigh speed magneto rotating speed, power density is high, and volume is much smaller than with the common machine of power, Ke Yiyou
The saving material of effect, but the Wen Sheng higher of motor.The temperature of super high speed electric machine increases, and stator core heating problem is therein
One key factor.
Therefore, how to improve the cooling capacity of motor is those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The first of the utility model is designed to provide a kind of stator punching, to alleviate the stator of motor in the prior art
Temperature existing for iron core rises the technical issues of cannot effectively controlling.
Based on above-mentioned first purpose, stator punching provided by the utility model, including punching ontology, the punching ontology is
Center offers the circular sheet-like structures part of through-hole；
The outer edge of the punching ontology offers the outer diameter groove of multiple openings outwardly, and multiple outer diameter grooves are described in
The outer edge of punching ontology is arranged successively；Multiple outer diameter grooves are used for wiring, and for passing through at the notch of the outer diameter groove
Cooling medium；
Outer diameter tooth is formed between the adjacent outer diameter groove of each two；
Outer diameter tooth was equipped with recirculation hole, and the recirculation hole of crossing is used to pass through for cooling medium；
The inside edge of the punching ontology offers multiple inner diameter channels；
The outer diameter groove and the inner diameter channel are correspondingly arranged.
Further, the recirculation hole of crossing includes at least three circular holes, and the two neighboring circular hole overlaps.
Further, one of them described outer diameter tooth is equipped with labeled slots used for positioning.
Further, the outer diameter tooth is set as 36, wherein 12 outer diameter teeth are equipped with welding groove, the welding
Slot is circumferentially uniformly distributed along punching ontology.
Further, the outer edge of the outer diameter tooth is equipped with welding groove.
Further, the inner diameter channel includes wiring slot, flow-conveying groove and fixing groove, and the flow-conveying groove is far from the punching sheet
The one end in the center of circle of body is connected to the wiring slot, and the flow-conveying groove is connected to close to the one end in the center of circle with the fixing groove,
One end open of the fixing groove close to the center of circle is arranged；The wiring slot is for installing stator electromagnet line, the flow-conveying groove
For by cooling medium, the fixing groove to be for installing slot wedge.
Further, the shapes and sizes all same of multiple inner diameter channels, and multiple inner diameter channels are along the punching
The inward flange of ontology is uniformly distributed；The shapes and sizes all same of multiple outer diameter grooves, and multiple outer diameter grooves are described in
The outer edge of punching ontology is uniformly distributed.
Further, the quantity of the outer diameter groove and the quantity of the inner diameter channel are equal.
Further, the thickness of the punching ontology is 0.2 millimeter.
The second of the utility model is designed to provide a kind of stator core, to alleviate the stator of motor in the prior art
Temperature existing for iron core rises the technical issues of cannot effectively controlling.
Based on above-mentioned second purpose, stator core provided by the utility model, including multiple stator punchings；It is multiple
The size and shape all same of the punching ontology, and multiple punching ontologies are stacked gradually by being welded and fixed as entirety；
Multiple outer diameter grooves on multiple punching ontologies correspond, and each outer diameter groove with the corresponding outer diameter groove
Connection.
What the utility model was brought has the beneficial effect that：
Stator punching provided by the utility model includes punching ontology, and the circular piece of through-hole is offered centered on punching ontology
Shape structural member；The outer edge of punching ontology offers the outer diameter groove of multiple openings outwardly, and multiple outer diameter grooves are along punching ontology
Outer edge is arranged successively；Multiple outer diameter grooves are used for wiring, and for passing through cooling medium at the notch of outer diameter groove；Each two is adjacent
Outer diameter tooth is formed between outer diameter groove；Outer diameter tooth was equipped with recirculation hole, crosses recirculation hole and is used to pass through for cooling medium；Punching ontology
Inside edge offer multiple inner diameter channels；Outer diameter groove and inner diameter channel are correspondingly arranged.
Wherein, outer diameter groove and inner diameter channel are correspondingly arranged, and are convenient for coiling.Because organic block, Gu Chong are wrapped up in the outside of stator core
Piece ontology can form channel with engine base in the position of outer diameter groove；Again because stator core is made of being laminated with multiple punching ontologies,
Therefore when motor operates, cooling medium can be injected to one end of stator core, the cooling medium injected can be passed through by rushing
The channel that outer diameter groove on piece ontology is formed with engine base, is finally flowed out by the other end of stator core.
Secondly, outer diameter tooth is formed between the adjacent outer diameter groove of each two, outer diameter tooth was equipped with recirculation hole, crosses recirculation hole and is used for
Pass through for cooling medium.Cooling medium is injected to stator core, the cooling medium injected can sequentially pass through each stator punching
It is flowed out after the recirculation hole excessively of on piece；In the process, cooling medium can be contacted more fully with stator core, and relative to
For traditional stator core, the further contact area for increasing cooling medium and stator core so that produced in stator core
Raw heat cooled medium can be taken out of much sooner；And then the Wen Sheng of motor can be preferably reduced, improve motor
Performance.
Obviously, for traditional stator punching, stator punching provided by the utility model is because increasing outer edge
Channel so that the outer edge for the stator core being made of stator punching can with cooling medium and be reached for the edge of stator core
The purpose of cooling, meanwhile, the cooling medium for flowing through the channel can also be that engine base cools down so that the heat energy generated by stator core
It enough passes to engine base and is distributed by engine base.
Therefore, stator punching provided by the utility model can increase the contact area of cooling medium and stator so that fixed
The heat generated on sub- iron core cooled medium can be taken out of much sooner, preferably to reduce the Wen Sheng of motor, improve electricity
The performance of machine.
In addition, the utility model additionally provides a kind of stator core, including the stator punching.Wherein, stator punching
Structure, operation principle and advantageous effect be described in detail in the advantageous effect of stator punching, details are not described herein.
Possessed advantage is identical compared with the existing technology with stator punching provided by the utility model for said stator punching, herein no longer
It repeats.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the positive structure diagram for the stator punching that the utility model embodiment provides；
Fig. 2 is the enlarged structure schematic diagram of the parts a in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of the parts b in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram of the parts c in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram of the parts d in Fig. 1.
Icon：1- punching ontologies；11- inner diameter channels；111- wiring slots；112- flow-conveying grooves；113- fixing grooves；12-
Outer diameter groove；13- outer diameter teeth；131- labeled slots；132- crosses recirculation hole；1321- circular holes；14- welding grooves.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first " such as occur, " second ", being used for description purposes only, it is not understood to indicate or imply relative importance.
Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model provides a kind of stator punching and stator core, and multiple embodiments are given below to the utility model
The stator punching of offer and stator core are described in detail.
Embodiment one
As shown in Figs. 1-5, the stator punching that the utility model embodiment one provides, including punching ontology 1, punching ontology 1
Centered on offer the circular sheet-like structures part of through-hole；The outer edge of punching ontology 1 offers the outer diameter groove of multiple openings outwardly
12, and multiple outer diameter grooves 12 are arranged successively along the outer edge of punching ontology 1；Multiple outer diameter grooves 12 are used for wiring, and outer diameter groove 12
Notch at for passing through cooling medium；Formation outer diameter tooth 13 between the adjacent outer diameter groove 12 of each two, outer diameter tooth 13 was equipped with
Recirculation hole 132 crosses recirculation hole 132 and is used to pass through for cooling medium；The inside edge of punching ontology 1 offers multiple inner diameter channels
11；Outer diameter groove 12 and inner diameter channel 11 are correspondingly arranged.
Outer diameter groove 12 and inner diameter channel 11 are correspondingly arranged, convenient for coiling, installation electromagnetic wire, because being enclosed with outside stator core
Engine base, therefore punching ontology 1 can form channel with engine base in the position of outer diameter groove 12；Again because stator core is with multiple punching ontologies
1 is overrided to form, therefore when motor operates, cooling medium, the cooling medium that is injected can be injected to one end of stator core
The channel formed with engine base by the outer diameter groove 12 on punching ontology 1 can be passed through, is finally flowed out by the other end of stator core.
Secondly, formation outer diameter tooth 13 between the adjacent outer diameter groove 12 of each two, outer diameter tooth 13 was equipped with recirculation hole 132, mistake
Recirculation hole 132 is used to pass through for cooling medium.Cooling medium is injected to stator core, the cooling medium injected can be worn successively
It is flowed out after crossing the recirculation hole 132 excessively on each stator punching；In the process, cooling medium can more fully with stator iron
The heart contacts, and for traditional stator core, and the further contact area for increasing cooling medium and stator core makes
Obtain the heat generated in stator core cooled medium can take out of much sooner；And then it can preferably reduce the temperature of motor
It rises, improves the performance of motor.
Obviously, for traditional stator punching, stator punching provided by the utility model is because increasing outer edge
Channel so that the outer edge for the stator core being made of stator punching can with cooling medium and be reached for the edge of stator core
The purpose of cooling, meanwhile, the cooling medium for flowing through the channel can also be that engine base cools down so that the heat energy generated by stator core
It enough passes to engine base and is distributed by engine base.
Therefore, stator punching provided by the utility model can increase the contact area of cooling medium and stator so that fixed
The heat generated on sub- iron core cooled medium can be taken out of much sooner, preferably to reduce the Wen Sheng of motor, improve electricity
The performance of machine.
In the alternative of the present embodiment, it includes at least three circular holes 1321, two neighboring circular hole 1321 to cross recirculation hole 132
It overlaps.
As shown in figure 4, two neighboring circular hole 1321 overlaps the internal face undulate for making recirculation hole 132.
Cooling medium is injected to stator core, the cooling medium injected can sequentially pass through the mistake on each stator punching
It is flowed out after recirculation hole 132；In the process, cooling medium can be contacted more fully with stator core, and relative to tradition
Stator core for, the further contact area for increasing cooling medium and stator core so that generated in stator core
Heat cooled medium can be taken out of much sooner；And then the Wen Sheng of motor can be preferably reduced, improve the performance of motor.
In addition, it includes at least three circular holes 1321 to cross recirculation hole 132, processing method is simple, operability is strong.
In the alternative of the present embodiment, one of outer diameter tooth 13 is equipped with labeled slots 131 used for positioning.Labeled slots
131 can be used for punching telltale mark.And convenient for checking the relative position to punching ontology 1 when laminating.
In the alternative of the present embodiment, outer diameter tooth 13 is set as 36, wherein 12 outer diameter teeth 13 are equipped with welding groove
14, welding groove 14 is circumferential uniformly distributed along punching ontology 1.
In the alternative of the present embodiment, the inside edge of punching ontology 1 offers multiple inner diameter channels 11, and multiple internal diameters
Slot 11 is arranged successively along the inward flange of punching ontology 1.
In the alternative of the present embodiment, inner diameter channel 11 includes wiring slot 111, flow-conveying groove 112 and fixing groove 113, overcurrent
The one end in the center of circle of the slot 112 far from punching ontology 1 is connected to wiring slot 111, the one end and fixing groove of flow-conveying groove 112 close to the center of circle
113 connections, one end open of the fixing groove 113 close to the center of circle are arranged；Wiring slot 111 is for installing stator electromagnet line, flow-conveying groove 112
For by cooling medium, fixing groove 113 to be for installing slot wedge.
In the alternative of the present embodiment, the outer edge of outer diameter tooth 13 is equipped with welding groove 14, ensure that the shape of stator core
Position tolerance, and mechanical shock noise when reducing motor operation.
Obviously, stator electromagnet line can be installed, and with installation slot wedge to prevent fastening on punching ontology 1 in inner diameter channel 11
Electromagnetic wire is from the part that notch leaks out；Wherein, the part of the installation of inner diameter channel 11 stator electromagnet line is located at the trench bottom of inner diameter channel 11,
And it is defined as wiring slot 111；The part that inner diameter channel 11 installs slot wedge is located at the groove top portion of inner diameter channel 11, and is defined as
Fixing groove 113；In addition, being additionally provided with flow-conveying groove 112 between wiring slot 111 and fixing groove 113.Therefore when motor operates, quilt
The cooling medium of injection can sequentially pass through the flow-conveying groove 112 on each stator punching, finally by the other end stream of stator core
Go out；In the process, cooling medium can be contacted more fully with the internal structure of stator core；In turn, stator teeth and
Temperature all decreases to some degree at the air gap of yoke portion and motor, meanwhile, the temperature on rotor also can decrease；
Thus, it is possible to preferably reduce the Wen Sheng of motor, the performance of motor is improved.
In the alternative of the present embodiment, flow-conveying groove 112 is arc-shaped.
The further contact area for increasing cooling medium and stator core so that the heat generated in stator core can
Cooled medium is taken out of much sooner；And then the Wen Sheng of motor can be preferably reduced, improve the performance of motor.
In the alternative of the present embodiment, the shapes and sizes all same of multiple inner diameter channels 11, and 11 edge of multiple inner diameter channels
The inward flange of punching ontology 1 is uniformly distributed；The shapes and sizes all same of multiple outer diameter grooves 12, and multiple outer diameter grooves 12 are along punching
The outer edge of ontology 1 is uniformly distributed.In this way, each inner diameter channel 11 can be uniformly flowed into circumferencial direction by allowing for cooling medium
In each outer diameter groove 12, in turn, each position of stator core can more tend to equal Wen Sheng, and effect is more preferable.
In the alternative of the present embodiment, the quantity of outer diameter groove 12 and the quantity of inner diameter channel 11 are equal.
Preferably, the thickness of punching ontology 1 is set smaller than 0.35 millimeter, uses thickness for 0.5 relative to traditional
For the punching ontology 1 of millimeter；The punching ontology 1 that the present embodiment two provides, eddy-current loss smaller, i.e. iron loss smaller have reduction
The effect of motor temperature.
In the alternative of the present embodiment, the thickness of punching ontology 1 is 0.2 millimeter.
Further, the iron loss that feasibility when comprehensive process and stator generate, the thickness of punching ontology 1 can be arranged
It is 0.2 millimeter.
Preferably, punching ontology 11 is manufactured using silicon steel sheet, silicon steel sheet ingredient is that the extremely low silicon-iron soft magnetic of phosphorus content closes
Iron can be improved in silicon resistivity and maximum permeability is added in gold, reduces coercivity, core loss (iron loss) and magnetic aging；In turn,
Reduce the Wen Sheng of motor.
Embodiment two
The stator core that the utility model embodiment two provides includes the stator punching of the offer of multiple embodiments one；It is multiple
The size and shape all same of punching ontology 1, and multiple punching ontologies 1 are stacked gradually by being welded and fixed as entirety；Multiple punchings
Multiple outer diameter grooves 12 on piece ontology 1 correspond, and each outer diameter groove 12 is connected to corresponding outer diameter groove 12.
Obviously, the stator core that the present embodiment two provides is more on multiple punching ontologies 1 because including said stator punching
A outer diameter groove 12 corresponds respectively, and multiple outer diameter grooves 12 on each punching ontology 1 on other punching ontologies 1 with its
Corresponding outer diameter groove 12 is connected to so that cooling medium can pass through each outer diameter groove 12 on every punching ontology 1；Into
And so that stator core can play all advantages of said stator punching, can preferably reduce the Wen Sheng of motor.
Wherein, the structure, operation principle and advantageous effect of stator punching carry out in the advantageous effect of stator punching
It is described in detail, details are not described herein.Said stator punching and stator punching provided by the utility model institute compared with the existing technology
Have the advantage that identical, details are not described herein.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of stator punching, which is characterized in that including punching ontology, the circle of through-hole is offered centered on the punching ontology
Sheet structure；
The outer edge of the punching ontology offers the outer diameter groove of multiple openings outwardly, and multiple outer diameter grooves are along the punching
The outer edge of ontology is arranged successively；Multiple outer diameter grooves are used for wiring, and for passing through cooling at the notch of the outer diameter groove
Medium；Outer diameter tooth is formed between the adjacent outer diameter groove of each two；
Outer diameter tooth was equipped with recirculation hole, and the recirculation hole of crossing is used to pass through for cooling medium；
The inside edge of the punching ontology offers multiple inner diameter channels；
The outer diameter groove and the inner diameter channel are correspondingly arranged.
2. stator punching according to claim 1, which is characterized in that the recirculation hole of crossing includes at least three circular holes, phase
Adjacent two circular holes overlap.
3. stator punching according to claim 1, which is characterized in that one of them described outer diameter tooth is equipped with for positioning
Labeled slots.
4. stator punching according to claim 1, which is characterized in that the outer diameter tooth is set as 36, wherein 12 institutes
It states outer diameter tooth and is equipped with welding groove, the welding groove is circumferentially uniformly distributed along punching ontology.
5. stator punching according to claim 1, which is characterized in that the outer edge of the outer diameter tooth is equipped with welding groove.
6. stator punching according to claim 1, which is characterized in that the inner diameter channel includes wiring slot, flow-conveying groove and consolidates
Determine slot, the one end in the center of circle of the flow-conveying groove far from the punching ontology is connected to the wiring slot, and the flow-conveying groove is close to institute
The one end for stating the center of circle is connected to the fixing groove, and one end open of the fixing groove close to the center of circle is arranged；The wiring slot
For installing stator electromagnet line, the flow-conveying groove is used for through cooling medium, and the fixing groove is for installing slot wedge.
7. stator punching according to claim 1, which is characterized in that the shapes and sizes of multiple inner diameter channels are homogeneous
Together, and multiple inner diameter channels are uniformly distributed along the inward flange of the punching ontology；The shapes and sizes of multiple outer diameter grooves
All same, and multiple outer diameter grooves are uniformly distributed along the outer edge of the punching ontology.
8. stator punching according to claim 1, which is characterized in that the number of the quantity of the outer diameter groove and the inner diameter channel
It measures equal.
9. according to claim 1-8 any one of them stator punchings, which is characterized in that the thickness of the punching ontology is 0.2
Millimeter.
10. a kind of stator core, which is characterized in that including multiple such as claim 1-9 any one of them stator punchings；It is more
The size and shape all same of a punching ontology, and it is whole that multiple punching ontologies, which are stacked gradually by being welded and fixed,
Body；Multiple outer diameter grooves on multiple punching ontologies correspond, and each outer diameter groove with it is corresponding described outer
Diameter slot is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133188.0U CN207782499U (en) | 2018-01-25 | 2018-01-25 | stator punching and stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133188.0U CN207782499U (en) | 2018-01-25 | 2018-01-25 | stator punching and stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782499U true CN207782499U (en) | 2018-08-28 |
Family
ID=63211457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820133188.0U Active CN207782499U (en) | 2018-01-25 | 2018-01-25 | stator punching and stator core |
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| Country | Link |
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| CN (1) | CN207782499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633046A (en) * | 2023-07-20 | 2023-08-22 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
-
2018
- 2018-01-25 CN CN201820133188.0U patent/CN207782499U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633046A (en) * | 2023-07-20 | 2023-08-22 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
| CN116633046B (en) * | 2023-07-20 | 2023-10-03 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
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