CN204316203U - Stator core and the compressor with it - Google Patents
Stator core and the compressor with it Download PDFInfo
- Publication number
- CN204316203U CN204316203U CN201520043377.5U CN201520043377U CN204316203U CN 204316203 U CN204316203 U CN 204316203U CN 201520043377 U CN201520043377 U CN 201520043377U CN 204316203 U CN204316203 U CN 204316203U
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- China
- Prior art keywords
- iron core
- portion iron
- teeth portion
- magnetic conduction
- yoke portion
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Abstract
The utility model discloses a kind of stator core and have its compressor, described stator core comprises: yoke portion iron core, and described yoke portion iron core is formed as annular, and described yoke portion iron core to be reeled along the circumference of described yoke portion iron core by the first magnetic conduction sheet and formed; Multiple teeth portion iron core, multiple described teeth portion iron core is along the spaced apart inner circumferential being located at described yoke portion iron core of circumference of described yoke portion iron core, each described teeth portion iron core comprises the second magnetic conduction sheet of multiple stacked setting of axis along described yoke portion iron core respectively, the magnetic conduction direction of described first magnetic conduction sheet is the circumference of described yoke portion iron core, and the magnetic conduction direction of described second magnetic conduction sheet is the radial direction of described yoke portion iron core.According to the stator core of the utility model embodiment, teeth portion iron core and yoke portion iron core all have employed the magnetic conduction sheet of orientation, achieve the consistency of electromagnetism direction of orientation, have given full play to the optimum performance of magnetic conduction sheet in its magnetic conduction direction of orientation, motor iron loss reduces, and is conducive to the raising of electric efficiency.
Description
Technical field
The utility model relates to Compressor Technology field, more specifically, relates to a kind of stator core and has its compressor.
Background technology
In order to realize motor high efficiency from the angle promoting copper factor, in correlation technique, propose multiple method stator core being designed to be spliced by polylith.Wherein modal one is, stator core is divided into a yoke portion iron core and N number of teeth portion iron core formation.Its N number of teeth portion iron core can adopt oriented electrical steel.But because the direction of magnetic induction line is circumferencial direction in yoke portion iron core outer shroud, can only non-oriented electromagnetic steel sheet be adopted.Under big current operating mode, the magnetic saturation phenomenon of yoke portion iron core is serious, and be unfavorable for the raising of motor output torque, motor iron loss also will increase substantially, thus constrains the high efficiency design of motor.The structure of stator core haves much room for improvement.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of stator core, the favorable orientation of described stator core, iron loss reduction, the efficiency with the motor of described stator core improve.
The utility model also proposed a kind of compressor with said stator iron core.
According to stator core of the present utility model, comprising: yoke portion iron core, described yoke portion iron core is formed as annular, and described yoke portion iron core is formed by the circumference winding of the first magnetic conduction sheet along described yoke portion iron core; Multiple teeth portion iron core, multiple described teeth portion iron core is along the spaced apart inner circumferential being located at described yoke portion iron core of circumference of described yoke portion iron core, each described teeth portion iron core comprises the second magnetic conduction sheet of multiple stacked setting of axis along described yoke portion iron core respectively, the magnetic conduction direction of described first magnetic conduction sheet is the circumference of described yoke portion iron core, and the magnetic conduction direction of described second magnetic conduction sheet is the radial direction of described yoke portion iron core.
According to stator core of the present utility model, teeth portion iron core and yoke portion iron core all have employed the magnetic conduction sheet of orientation, achieve the consistency of electromagnetism direction of orientation, have given full play to the optimum performance of magnetic conduction sheet in its magnetic conduction direction of orientation, motor iron loss reduces, and is conducive to the raising of electric efficiency.
In addition, following additional technical characteristic can also be had according to stator core of the present utility model:
According to an embodiment of the present utility model, the inner peripheral surface of described yoke portion iron core is provided with multiple spaced apart and along its axially extended link slot, each described teeth portion iron core is respectively equipped with pluggable connecting portion in described link slot along its circumference.
According to an embodiment of the present utility model, described link slot is formed as dovetail groove, and described connecting portion is formed as swallow-tail form.
According to an embodiment of the present utility model, the thickness of described first magnetic conduction sheet is less than or equal to 0.05mm.
According to an embodiment of the present utility model, between any two adjacent described teeth portion iron cores, limit winding slot.
According to an embodiment of the present utility model, each described teeth portion iron core comprises respectively: teeth portion body, described teeth portion body along described yoke portion iron core radial direction extend and the outer end of described teeth portion body is provided with described connecting portion; Two teeth portion legs, two described teeth portion legs are connected with the inner of described teeth portion body respectively, two described teeth portion legs extend dorsad along the circumference of described yoke portion iron core respectively, and each winding slot is limited by the teeth portion body of adjacent two described teeth portion iron cores and teeth portion leg and forms.
According to an embodiment of the present utility model, the opening of the described winding slot of spaced apart formation between two adjacent described teeth portion legs of any two adjacent described teeth portion iron cores.
According to an embodiment of the present utility model, two adjacent described teeth portion legs of any two adjacent teeth portion iron cores are connected to close described winding slot.
According to an embodiment of the present utility model, described first magnetic conduction sheet and described second magnetic conduction sheet are respectively silicon steel sheet.
According to the compressor of the utility model embodiment, comprise the stator core according to the utility model embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the stator core according to the utility model embodiment;
Fig. 2 is the structural representation of the yoke portion iron core of stator core according to the utility model embodiment;
Fig. 3 is the stepped construction schematic diagram of the teeth portion iron core of stator core according to the utility model embodiment;
Fig. 4 is the winding-structure schematic diagram of the yoke portion iron core of stator core according to the utility model embodiment;
Fig. 5 is the structural representation of the stator core according to another embodiment of the utility model.
Reference numeral:
Stator core 100;
Yoke portion iron core 10; First magnetic conduction sheet 11; Link slot 12;
Teeth portion iron core 20; Second magnetic conduction sheet 21; Connecting portion 22; Teeth portion body 23; Teeth portion leg 24;
Winding slot 30.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The stator core 100 according to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Shown in Fig. 5, comprise yoke portion iron core 10 and multiple teeth portion iron core 20 according to the stator core 100 of the utility model embodiment.Yoke portion iron core 10 is formed as annular.Multiple teeth portion iron core 20 is along the spaced apart inner circumferential being located at yoke portion iron core 10 of circumference of yoke portion iron core 10.
Yoke portion iron core 10 is formed by the circumference winding of the first magnetic conduction sheet 11 along yoke portion iron core 10.Each teeth portion iron core 20 comprises multiple second magnetic conduction sheet 21 respectively, and multiple second magnetic conduction sheet 21 is along the stacked setting of axis of yoke portion iron core 10.The magnetic conduction direction of the first magnetic conduction sheet 11 is the circumference of yoke portion iron core 10, and the magnetic conduction direction of the second magnetic conduction sheet 21 is the radial direction of yoke portion iron core 10.Wherein, the axial and circumferential of yoke portion iron core 10 are the axial and circumferential of stator core 100.
In other words, stator core 100 is formed primarily of the yoke portion iron core 10 of a ring-type and multiple teeth portion iron core 20.Teeth portion iron core 20 is formed by there being the magnetic conduction sheet of orientation.The constituted mode of teeth portion iron core 20 is axially stacked, and the direction of its magnetic conduction orientation is parallel with the main part of teeth portion iron core 20, vertical with the Width of teeth portion iron core 20, as shown in the direction of arrow in Fig. 3.In this magnetic conduction direction of orientation, the resistance of magnetic line of force circulation is little, is easier to obtain larger magnetic flux density.And in motor runs, just magnetic conduction direction of orientation is identical therewith for the circulating direction of the actual magnetic line of force, makes the saturation point of teeth portion iron core 20 higher, and iron loss is also lower.
The material of yoke portion iron core 10 employing of ring-type is also for there being the magnetic conduction sheet of orientation, and its constituted mode is circumference winding, as shown in Figure 4.Its magnetic conduction direction of orientation as shown by the arrows in Figure 4, is the direction along magnetic conduction sheet rolling.When motor runs, in yoke portion annulus, magnetic line of force circulating direction is just identical with the magnetic conduction direction of orientation in annulus, and make the saturation point of yoke portion iron core 10 better, iron loss is also lower.
Thus, according to the stator core 100 of the utility model embodiment, yoke portion iron core 10 is formed by the first magnetic conduction sheet 11 circumference winding, teeth portion iron core 20 is formed by multiple second magnetic conduction sheet 21 is axially stacked, and the magnetic conduction direction of the first magnetic conduction sheet 11 is the circumference of yoke portion iron core 10, the magnetic conduction direction of the second magnetic conduction sheet 21 is the radial direction of yoke portion iron core 10, this structure achieves to be made unanimously by the direction of orientation of yoke portion iron core 10 and teeth portion iron core 20, make use of the performance of the magnetic conduction sheet of orientation to greatest extent, be conducive to the raising of motor output torque, motor iron loss reduces, be conducive to the raising of electric efficiency.
The advantage performance of the magnetic conduction sheet of orientation can be given full play to according to stator core 100 of the present utility model, a kind of high efficiency, miniaturized spliced stator core, this stator core 100 has the structure of complete stator core different from the past, adopts this stator core 100 can obtain high efficiency motor.
According to embodiments more of the present utility model, the thickness of the first magnetic conduction sheet 11 is less than or equal to 0.05mm.Thus, the first magnetic conduction sheet 11 more easily reels, and the yoke portion iron core 10 of annular is easier to processing, simultaneously, the connection between layers and between yoke portion iron core 10 and teeth portion iron core 20 of the first magnetic conduction sheet 11 is more tight, and be more conducive to the circulation of the magnetic line of force, the performance of stator core 100 is better.
The thickness of the second magnetic conduction sheet 21 can be arranged as required, and such as, the second magnetic conduction sheet 21 thickness also can be arranged on below 0.05mm.Alternatively, the first magnetic conduction sheet 11 and the second magnetic conduction sheet 21 are respectively silicon steel sheet.First magnetic conduction sheet 11 and the second magnetic conduction sheet 21 are formed by Dies ' Blanking.
As depicted in figs. 1 and 2, the inner peripheral surface of yoke portion iron core 10 is provided with multiple link slot 12, and multiple link slot 12 is along the circumference of yoke portion iron core 10 is spaced apart and axis along yoke portion iron core 10 is extended.Each teeth portion iron core 20 is respectively equipped with pluggable connecting portion 22 in link slot 12.Specifically, the outer end of each teeth portion iron core 20 is provided with connecting portion 22, and each connecting portion 22 is pluggable in corresponding link slot 12, makes teeth portion iron core 20 can be spliced into one with yoke portion iron core 10.
Alternatively, link slot 12 roughly can be formed as dovetail groove, and connecting portion 22 can roughly be formed as the swallowtail-shaped structure corresponding with dovetail groove.Dovetail groove is convenient to processing, and the connecting portion 22 of swallow-tail form is good with oat tail groove structure suitability, is convenient to assembly connection and the reliability connected is high.Wherein, the dimensional parameters of dovetail groove can be arranged as required.
As shown in Figure 1 and Figure 5, between any two adjacent teeth portion iron cores 20, limit winding slot 30, winding can winding in this winding slot 30.Each teeth portion iron core 20 comprises teeth portion body 23 and two teeth portion legs 24 respectively.Teeth portion body 23 extends along the radial direction of yoke portion iron core 10.Connecting portion 22 is located on the outer end of teeth portion body 23.
Two teeth portion legs 24 are connected with the inner of teeth portion body 23 respectively.Two teeth portion legs 24 extend dorsad along the circumference of yoke portion iron core 10 respectively.Each winding slot 30 is limited by the teeth portion body 23 of adjacent two teeth portion iron cores 20 and teeth portion leg 24 and forms.That is, each winding slot 30 by the teeth portion body 23 of a teeth portion iron core 20 and the adjacent fingers leg 24 of the teeth portion iron core 20 adjacent with this teeth portion iron core 20 around.
As shown in Figure 1, in embodiments more of the present utility model, the opening of spaced apart formation winding slot 30 between two adjacent teeth portion legs 24 of any two adjacent teeth portion iron cores 20.Thus, winding slot 30 is formed as open slot structure.Again such as, as shown in Figure 5, in other embodiments of the present utility model, adjacent two teeth portion legs 24 of any two adjacent teeth portion iron cores 20 are connected with closed winding slot 30.Thus, winding slot 30 is formed as closed slot structure.
Due to when motor output torque improves, the interaction force between stators and rotators and interaction torque improve all thereupon, and the vibration of teeth portion iron core 20 also can become large.Therefore, in order to ensure yoke portion iron core 10 the first magnetic conduction sheet 11 between connection compactness, the width of rebate of the winding slot 30 of stator core 100 is set to 0.Like this, the teeth portion iron core 20 of multiple piecemeal can be fitted mutually at notch place, forms a small circle ring in stator core 100 inner radius, the vibration of stator teeth can be reduced, keep the connection of each several part tight, stator tooth harmonic wave can also be eliminated simultaneously, reduce noise vibration.
When manufacturing the rotor core according to the utility model embodiment, Dies ' Blanking first can be adopted to go out the first magnetic conduction sheet 11 and the second magnetic conduction sheet 21 of suitable dimension, then the first magnetic conduction sheet 11 is closely wound into cylindrical shape by predetermined internal diameter, external diameter; Multiple dovetail groove is processed again at preposition; Multiple second magnetic conduction sheet 21 is snapped in from the dovetail groove of yoke portion iron core 10, overall stator core 100 can be formed.
In a word, according to the stator core 100 of the utility model embodiment, teeth portion iron core 20 and yoke portion iron core 10 all have employed the magnetic conduction sheet of orientation, have given full play to the optimum performance of magnetic conduction sheet in its magnetic conduction direction of orientation simultaneously, have achieved the high efficiency of motor.
Comprise housing, rotor and the stator core 100 according to the utility model embodiment according to the compressor of the utility model embodiment, stators and rotators iron core is located in housing.Stator is located at the periphery of rotor core.Owing to having above-mentioned useful technique effect according to the stator core 100 of the utility model embodiment, therefore good according to the compressor magnetic property of the utility model embodiment, efficiency is high.
According to the compressor of the utility model embodiment other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In description of the present utility model, it will be appreciated that, term " " center ", " thickness ", " on ", D score, "front", "rear", " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a stator core, is characterized in that, comprising:
Yoke portion iron core, described yoke portion iron core is formed as annular, and described yoke portion iron core is formed by the circumference winding of the first magnetic conduction sheet along described yoke portion iron core;
Multiple teeth portion iron core, multiple described teeth portion iron core is along the spaced apart inner circumferential being located at described yoke portion iron core of circumference of described yoke portion iron core, and each described teeth portion iron core comprises the second magnetic conduction sheet of multiple stacked setting of axis along described yoke portion iron core respectively,
The magnetic conduction direction of described first magnetic conduction sheet is the circumference of described yoke portion iron core, and the magnetic conduction direction of described second magnetic conduction sheet is the radial direction of described yoke portion iron core.
2. stator core according to claim 1, it is characterized in that, the inner peripheral surface of described yoke portion iron core is provided with multiple spaced apart and along its axially extended link slot, each described teeth portion iron core is respectively equipped with pluggable connecting portion in described link slot along its circumference.
3. stator core according to claim 2, is characterized in that, described link slot is formed as dovetail groove, and described connecting portion is formed as swallow-tail form.
4. stator core according to claim 2, is characterized in that, the thickness of described first magnetic conduction sheet is less than or equal to 0.05mm.
5. the stator core according to claim 2 or 4, is characterized in that, limits winding slot between any two adjacent described teeth portion iron cores.
6. stator core according to claim 5, is characterized in that, each described teeth portion iron core comprises respectively:
Teeth portion body, described teeth portion body along described yoke portion iron core radial direction extend and the outer end of described teeth portion body is provided with described connecting portion;
Two teeth portion legs, two described teeth portion legs are connected with the inner of described teeth portion body respectively, two described teeth portion legs extend dorsad along the circumference of described yoke portion iron core respectively, and each winding slot is limited by the teeth portion body of adjacent two described teeth portion iron cores and teeth portion leg and forms.
7. stator core according to claim 6, is characterized in that, the opening of the described winding slot of spaced apart formation between two adjacent described teeth portion legs of any two adjacent described teeth portion iron cores.
8. stator core according to claim 6, is characterized in that, two adjacent described teeth portion legs of any two adjacent teeth portion iron cores are connected to close described winding slot.
9. stator core according to claim 1, is characterized in that, described first magnetic conduction sheet and described second magnetic conduction sheet are respectively silicon steel sheet.
10. a compressor, is characterized in that, comprises the stator core according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043377.5U CN204316203U (en) | 2015-01-21 | 2015-01-21 | Stator core and the compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043377.5U CN204316203U (en) | 2015-01-21 | 2015-01-21 | Stator core and the compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316203U true CN204316203U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520043377.5U Expired - Fee Related CN204316203U (en) | 2015-01-21 | 2015-01-21 | Stator core and the compressor with it |
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| Country | Link |
|---|---|
| CN (1) | CN204316203U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600882A (en) * | 2015-01-21 | 2015-05-06 | 广东美芝制冷设备有限公司 | Stator iron core and compressor with the same |
| CN106451832A (en) * | 2015-08-11 | 2017-02-22 | 皮尔伯格有限责任公司 | Electromotor for electrical compressor of internal combustion engine |
| CN108429366A (en) * | 2018-05-29 | 2018-08-21 | 安徽美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN108429365A (en) * | 2018-05-29 | 2018-08-21 | 安徽美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN111277056A (en) * | 2018-12-04 | 2020-06-12 | 常州威灵电机制造有限公司 | Stator core and motor |
-
2015
- 2015-01-21 CN CN201520043377.5U patent/CN204316203U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600882A (en) * | 2015-01-21 | 2015-05-06 | 广东美芝制冷设备有限公司 | Stator iron core and compressor with the same |
| CN106451832A (en) * | 2015-08-11 | 2017-02-22 | 皮尔伯格有限责任公司 | Electromotor for electrical compressor of internal combustion engine |
| CN108429366A (en) * | 2018-05-29 | 2018-08-21 | 安徽美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN108429365A (en) * | 2018-05-29 | 2018-08-21 | 安徽美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN111277056A (en) * | 2018-12-04 | 2020-06-12 | 常州威灵电机制造有限公司 | Stator core and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20210121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |