CN201134701Y - Disc type motor - Google Patents
Disc type motor Download PDFInfo
- Publication number
- CN201134701Y CN201134701Y CNU2007200995829U CN200720099582U CN201134701Y CN 201134701 Y CN201134701 Y CN 201134701Y CN U2007200995829 U CNU2007200995829 U CN U2007200995829U CN 200720099582 U CN200720099582 U CN 200720099582U CN 201134701 Y CN201134701 Y CN 201134701Y
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- fan
- stator core
- shaped
- disc type
- wire casing
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Abstract
The utility model relates to a disc type motor, a mini ring-shaped stator core is formed by a flexible magnetic body, whose end face is provided with slots whose surfaces take fan shaped, the width of the excircle end of each fan-shaped slot is bigger that that of the inner circle end, and the depth of the inner circle end of each fan-shaped slot is deeper than that of the excircle end. The stator core of the motor is formed by flexible magnetic body, the performance is equivalent to the motor core which is winded by electrical grade sheet with high magnetic conductivity, yoke area of the excircle of the stator core is bigger than that of the inner circle, material is completely used, effective magnetic line on yoke portion can increase about 50%, and groove area can increase about 30%, fore output of the motor can be increased to form a disc type motor with high power and density. The stator core of the utility model has the advantages of simple processing and compact structure, which can obviously improve the power of the disc type motor.
Description
Technical field
The utility model belongs to motor, particularly relates to a kind of disc type electric machine.
Background technology
Existing disc type electric machine, its stator core are to be reeled by the limit groove that band shape silicon steel sheet punching out spacing does not wait to constitute, and the major defect of existence is: 1 processed complex, apparatus expensive.The wide grade of the wire casing of 2 stator faces is dark, if interior circular groove portion's width and tooth portion width equate that then the outer round-end slots of wire casing is wide only is the wide part of cylindrical end tooth, the space that causes this stator winding to occupy dwindles greatly, motor is exerted oneself also reduce greatly.The magnetic line of force of flexible mistakes obviously is less than the magnetic line of force that cylindrical passes through in 3, but the yoke area is identical, causes waste of material on the one hand, makes the motor decline of exerting oneself on the other hand.
Process very complicated technology problem for overcoming the rich iron core of silicon steel sheet punching out limit groove volume, existing multiple technologies scheme is known to the public, wherein adopts the technical scheme of improved stator iron core more representative.
For example, the patent of invention of notification number CN1157502 " no yoke, slotless, axial magnetic circuit motor ", it discloses following technical scheme: by support unit supporting location independently n columnar iron core and the winding above iron core constitute the stator of no stator yoke, no stator slot separately, this stator is loaded on arbor by bearing holder (housing, cover), has rotor at the stator two ends, on rotor, press a circle distribution m magnetic pole, rotor is anchored on arbor by nut, spring washer, and the ratio that number of magnetic poles m and columnar iron core are counted n is 1: 1 or 1: 2,2: 3.
Another kind of technical scheme is to replace support unit in the such scheme by the rich ring-type yoke of silicon steel sheet volume, and columnar iron core is also made by the silicon steel sheet volume is rich.
Summary of the invention
The purpose of this utility model is to overcome the technical problem that exists in the existing improved stator disc type motor technology unshakable in one's determination scheme, and discloses a kind of disc type electric machine that substitutes silicon steel sheet with soft magnetism ferro-aluminum or iron nickel magnetic stampings.
The realization the purpose of this utility model is taked following technical scheme: this disc type electric machine is made up of housing, motor shaft, rotor and flat ring-type stator core and end face wire casing thereof, it is characterized in that: soft magnetic bodies constitutes flat ring-type stator core, it is each fan-shaped wire casing that its end face is provided with surface configuration, the width of described fan-shaped each its outer nose circle of wire casing is greater than the width of interior nose circle, and the groove depth of its interior nose circle of described fan-shaped each wire casing is greater than the groove depth of outer nose circle.
Described soft magnetic bodies is to be made of soft magnetism ferro-aluminum or the compacting of iron nickel magnetic.
The flat ring-type stator core that described soft magnetic bodies constitutes, it is fan-shaped wire casing that its both ends of the surface are equipped with surface configuration, each end face of stator core is provided with the rotor that has air gap with it respectively.
The flat ring-type stator core that described soft magnetic bodies constitutes, the support column that is spacedly distributed and engages at the periphery of corresponding teeth portion with electric machine casing.
Described rotor core is to be made of soft magnetism ferro-aluminum or the compacting of iron nickel magnetic.
Be arranged with fan-shaped recess between described rotor core end face two magnetic poles, it is each fan-shaped wire casing that the magnetic pole end face is provided with surface configuration, the width of described fan-shaped each its cylindrical of wire casing is greater than the width of interior nose circle, and the groove depth of its interior nose circle of described fan-shaped each wire casing is greater than the groove depth of outer nose circle.
The beneficial effects of the utility model and advantage are: the stator core of this disc type electric machine adopts soft magnetic bodies to constitute, with FN50-110 iron nickel magnetic is example, its effective permeability can be selected in the 125-200 scope, and the rich stator core of silicon steel sheet volume of performance and high permeability is suitable.The groove depth of nose circle mouth in each wire casing of the stator core of this disc type electric machine and the groove of cylindrical port is shallow, so cylindrical yoke portion area is greater than interior round yoke portion area, material is fully utilized, and the effective magnetic line of force of yoke portion can increase about 50%.The peripheral groove of each wire casing of stator core of this disc type electric machine is widened, interior circular groove is deepened, so groove area can increase about 30%.The shape of each wire casing of this disk type motor stator core can make exerting oneself of motor strengthen and the formation high power density disc type motor.The utlity model has that stator core processing is simple, compact conformation, can significantly improve the outstanding advantage of disc type electric machine power.
Description of drawings
Accompanying drawing 2 is Fig. 1 a-a views.
Accompanying drawing 3 is rotor core structural representations.
Accompanying drawing 4 is Fig. 3 a-a views.
Accompanying drawing 5 is motor embodiment 1 structural representations.
Accompanying drawing 6 is two generalized sections of stator core construction.
Accompanying drawing 7 is Fig. 6 a-a views.
Accompanying drawing 8 is motor embodiment 2 structural representations.
Number in the figure: 1 stator core, 1-1 wire casing, 1-2 tooth portion, the short support column of 1-3, the 1-4 dagger of drawing money on credit, 2 rotor cores, the 2-1 recess, 2-2 rotor slot, 2-3 rotor tooth portion, 3 bearings, 4 rotor windings, 5 stator winding, 6 bases, 7 rotor magnetic are gripped, 8 permanent magnet magnetic poles, 9 housings, 10 motor shafts.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, 2, flat ring-type stator core is made of soft magnetic bodies, and soft magnetic bodies can be soft magnetism ferro-aluminum or iron nickel magnetic press body.It is each fan-shaped wire casing 1-1 that the end face of stator core is provided with surface configuration, is the 1-2 of tooth portion between the wire casing.The width of the outer nose circle of fan-shaped each wire casing is greater than the width of interior nose circle, and the groove depth of its interior nose circle of fan-shaped each wire casing is greater than the groove depth of outer nose circle.
Shown in Fig. 3,4, rotor core is soft magnetism ferro-aluminum or iron nickel magnetic press body.Be arranged with fan-shaped recess 2-1 between end face two magnetic poles of rotor core, it is each fan-shaped rotor slot 2-2 that the magnetic pole end face is provided with surface configuration, is the 2-3 of rotor tooth portion between the adjacent rotor wire casing.The width of the outer nose circle of fan-shaped each rotor slot is greater than the width of interior nose circle, and the groove depth of its interior nose circle of fan-shaped each wire casing is greater than the groove depth of outer nose circle.
As shown in Figure 5, the disc type electric machine of forming for critical piece by Fig. 1 stator core 1, Fig. 2 rotor core 2.Electric machine casing and the output shaft that is connected in rotor core have been omitted among the figure.
The flat ring-type stator core construction of shown in Fig. 6,7 another also is made of soft magnetic bodies, and soft magnetic bodies is soft ferro-aluminum or iron nickel magnetic press body.It is each fan-shaped wire casing 1-1 that two end faces of stator core 1 are equipped with surface configuration, is the 1-2 of tooth portion between the wire casing.The width of fan-shaped each its outer nose circle of wire casing is greater than the width of interior nose circle, and the groove depth of its interior nose circle of fan-shaped each wire casing is greater than the groove depth of outer nose circle.At the periphery of the flat ring-type stator iron core tooth 1-2 of portion of correspondence the be spacedly distributed short support column 1-3 that engages with electric machine casing and the dagger 1-4 that draws money on credit, the effect of each support column is to make this stator be fixed in electric machine casing.
Single stator and double-rotor DC-disc type motor that Fig. 8 is made up of for critical piece the stator core 1 shown in Fig. 6,7, the rotor of this disc type electric machine adopt of the prior art by rotor magnetic grip 7 and permanent magnet magnetic pole 8 constitute.Stator core 1 is fixed in housing 9 by the short support column (not shown) and the dagger 1-4 that draws money on credit, motor shaft 10 two ends by bearings in the front and rear covers that constitutes a housing part.1 two end faces of the stator core of each wire casing are equipped with stator winding 5, are respectively equipped with air gap between stator core 1 and two rotors.
The magnetic line of force of Fig. 8 list stator and double-rotor DC-disc type motor passes through stator to another rotor S utmost point by a rotor N utmost point, pass through the yoke of this rotor own to this rotor N utmost point by this rotor S utmost point again, pass stator to a rotor S utmost point, get back to a rotor N utmost point through the yoke of a rotor own at last.After the rotor of present embodiment was provided with yoke, stator then need not have yoke, has saved stator yoke, made this disc type electric machine more compact structure.
The soft magnet material of above embodiment is FN50-110 or YB-T 5258-93.
Claims (6)
1, a kind of disc type electric machine, formed by housing, motor shaft, rotor and flat ring-type stator core and end face wire casing thereof, it is characterized in that: soft magnetic bodies constitutes flat ring-type stator core, it is each fan-shaped wire casing that its end face is provided with surface configuration, the width of described fan-shaped each its outer nose circle of wire casing is greater than the width of interior nose circle, and the groove depth of its interior nose circle of described fan-shaped each wire casing is greater than the groove depth of outer nose circle.
2, disc type electric machine according to claim 1 is characterized in that: described soft magnetic bodies is to be made of soft magnetism ferro-aluminum or the compacting of iron nickel magnetic.
3, disc type electric machine according to claim 1 is characterized in that: the flat ring-type stator core that described soft magnetic bodies constitutes, and it is fan-shaped wire casing that its both ends of the surface are equipped with surface configuration, each end face of stator core is provided with the rotor that has air gap with it respectively.
4, disc type electric machine according to claim 1 is characterized in that: the flat ring-type stator core that described soft magnetic bodies constitutes, the support column that is spacedly distributed and engages with electric machine casing at the periphery of corresponding teeth portion.
5, disc type electric machine according to claim 1 is characterized in that: described rotor core is to be made of soft magnetism ferro-aluminum or the compacting of iron nickel magnetic.
6, disc type electric machine according to claim 1 or 5, it is characterized in that: be arranged with fan-shaped recess between described rotor core end face two magnetic poles, it is each fan-shaped wire casing that the magnetic pole end face is provided with surface configuration, the width of described fan-shaped each its cylindrical of wire casing is greater than the width of interior nose circle, and the groove depth of its interior nose circle of described fan-shaped each wire casing is greater than the groove depth of outer nose circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200995829U CN201134701Y (en) | 2007-12-28 | 2007-12-28 | Disc type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200995829U CN201134701Y (en) | 2007-12-28 | 2007-12-28 | Disc type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134701Y true CN201134701Y (en) | 2008-10-15 |
Family
ID=40062971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200995829U Expired - Fee Related CN201134701Y (en) | 2007-12-28 | 2007-12-28 | Disc type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134701Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012031475A1 (en) * | 2010-09-07 | 2012-03-15 | 叶羽经 | Stator iron core of irregular slotted disc type motor |
| CN104875593A (en) * | 2014-02-18 | 2015-09-02 | 李查启学 | Energy efficient vehicle and disc-type dynamic motor thereof |
-
2007
- 2007-12-28 CN CNU2007200995829U patent/CN201134701Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012031475A1 (en) * | 2010-09-07 | 2012-03-15 | 叶羽经 | Stator iron core of irregular slotted disc type motor |
| CN104875593A (en) * | 2014-02-18 | 2015-09-02 | 李查启学 | Energy efficient vehicle and disc-type dynamic motor thereof |
| CN104875593B (en) * | 2014-02-18 | 2017-05-24 | 李查启学 | Energy efficient vehicle and disc-type dynamic motor thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20111228 |