CN100533915C - Stator structure of internal rotor motor - Google Patents
Stator structure of internal rotor motor Download PDFInfo
- Publication number
- CN100533915C CN100533915C CNB2004100194287A CN200410019428A CN100533915C CN 100533915 C CN100533915 C CN 100533915C CN B2004100194287 A CNB2004100194287 A CN B2004100194287A CN 200410019428 A CN200410019428 A CN 200410019428A CN 100533915 C CN100533915 C CN 100533915C
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- China
- Prior art keywords
- word portion
- casting
- word
- rotor motor
- iron core
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Abstract
This invention refers to the stator structure of internal rotor motor, which contains laminated T-shaped iron core board, casting part, line winding convex, yoke part to keep the stable rotation, the winding mode is a continuous outer winding, said invention can raise the motor productivity and motor efficiency by uniform windings.
Description
Technical field
The present invention relates to a kind of motor stator, particularly relate to the stator structure that a kind of inboard is provided with the inner rotor motor of rotor.
Background technology
Motor is usually used as compressor, washing machine, and the core drive source of most of electric home appliances product such as electric fan is divided into external rotor electric machine and inner rotor motor according to the position of rotor.
External rotor electric machine adopts at outer around mode around stator coil of the outer felt of iron core, and the stator coil of internal rotor mode then adopts interior around mode at the inboard spiral of stator core.The internal rotor mode is because of its coil spiral difficulty, and first separating making yoke portion and " T " word portion twine winding coil then and be assembled on the iron core of yoke portion in " T " word portion, this mode widely known to.
Fig. 1 is the oblique view of the inner rotor motor stator in the prior art, and Fig. 2 is the plane graph of the inner rotor motor stator in the prior art.
As shown in the figure, the stator of the inner rotor motor in the prior art, for forming magnetic circuit, and form and radial " T " word portion (2) formation that is attached to the inner peripheral surface of yoke portion (1) the iron core flaggy of individual " T " font is folded for twining winding coil (C) the folded yoke portion (1) that forms of individual iron core flaggy of annular.
Yoke portion (1) within it the side equal intervals be formed with " T " word portion's slot (1a)." T " word portion (2) is " T " font as mentioned above, and the side-prominent formation of one is with " T " word portion's slot (1a) of corresponding yoke portion (1), and opposite side forms magnetic pole (2a) with the circular shape expansion.And behind the bobbin tube (3) of the square tube shape of inserting the insulation material on the outer peripheral face of " T " word portion (2), twine winding coil (C) at its outer peripheral face.
But, in the internal rotor stator in the aforesaid prior art, after each " T " word portion (2) needs single making to twine winding coil, this " T " word portion (2) is assembled into yoke portion (1), so occurred that the winding coil (C) of separately " T " word portion (2) is connected respectively to that printed circuit board (PCB) (PCB) is gone up or the loaded down with trivial details problem of operation such as welding.
Summary of the invention
The present invention provides a kind of and can twine the motor stator structure that winding coil is simplified working process and enhanced productivity continuously in the outside of iron core for solving the technical problem that exists in the above-mentioned technology.
The technical scheme that the present invention takes for the technical problem that exists in the above-mentioned technology of solution is: the stator structure of a kind of inner rotor motor of the present invention, it is characterized in that comprising that making magnetic pole be positioned at stacked individual iron core plate of internal side diameter forms and be radial arrangement ground a plurality of " T " word portion, block the internal diameter of each " T " word portion and make each " T " word portion outside diameter casting station of equidistant casting of isolating mutually, and twine winding coil continuously at its outer peripheral face, and be formed with at least more than one the spiral that tangles reel winder rotation usefulness hang projection on the position that the magnetic pole side of " T " word portion is cast, and the outside diameter that connects all " T " word portions forms the yoke portion that stacked individual iron core plate annular of magnetic circuit forms.Spiral is hung projection and prolong formation with rectilinear direction between each " T " word portion.Spiral is hung and to be formed with the iron core indent that exposes after finishing with each " T " word portion casting of mold compresses between the projection.
Advantage and good effect that the present invention has are: with " T " word portion in mould with the intercepted casting of internal side diameter, and in casting station's formation spiral extension projection, winding coil is twined around mode beyond the rotation continuously in the extension portion that hangs over reel winder, the assembly stable rotation that makes " T " word portion and constitute by casting station, and because of canoe is continuous not only can improve the production efficiency of motor around mode outward, and can twines winding coil uniformly and improve efficiency of motor.
Description of drawings
Fig. 1 is the oblique view of the inner rotor motor stator in the prior art
Fig. 2 is the plane graph of the inner rotor motor stator in the prior art
Fig. 3 is the oblique view that decomposes inner rotor motor stator of the present invention
Fig. 4 be the assembling inner rotor motor of the present invention stator after oblique view
Fig. 5 is Fig. 4 " A " portion enlarged drawing
Fig. 6 is the sectional drawing of the state that utilizes the reel winder spiral of inner rotor motor of the present invention
Main symbol description
10: " T " word portion 11: hanging platform
12: magnetic pole 20: casting station
21: the middle 21a of casting station: spiral is hung projection
21b: iron core indent 22: inboard casting station
23: outside casting station 30: yoke portion
31: hanging groove 40: reel winder
41: the C of extension portion: winding coil
Embodiment
For further understanding content of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Fig. 3 is the oblique view that decomposes inner rotor motor stator of the present invention, and Fig. 4 assembles the oblique view behind the stator of inner rotor motor of the present invention, and Fig. 5 is Fig. 4 " A " portion enlarged drawing, and Fig. 6 is the sectional drawing of the state that utilizes the reel winder spiral of inner rotor motor of the present invention
As shown in the figure, the stator of inner rotor motor of the present invention is laminated by many " T " font core laminations making with the plain steel plate of silicon, and be " T " word portion (10) of radial arrangement and block the internal side diameter of " T " word portion (10) and make casting that its outside diameter isolates mutually form the casting station (20) of the lateral surface of " T " word portion (10), and the plain steel plate of crooked silicon folded the forming of circular arc iron core flaggy of making, be used for constituting in conjunction with the yoke portion (30) in the outside of " T " word portion (10).
" T " word portion (10) is " T " font as mentioned above, and its outer ends is formed with the hanging groove (31) of yoke portion described later (30) is corresponding and forms hanging platform (11) wide at the top and narrow at the bottomly, and opposite side forms magnetic pole (12) with the circular shape expansion.The shape of hanging platform (11) be at its end from very narrow, and more and more wideer along its length direction.
Casting station (20) is by the middle casting station (21) of the lateral surface that encases " T " word portion (10), and in the middle of being formed on certain altitude expansion on the inner peripheral surface of casting station (21), and block the respectively inboard casting station (22) of the circle band shape of " T " word portion (10), and expand tabular outside casting station (23) formation that makes the respectively mutual isolation of " T " word portion (10) on the outer peripheral face that is formed on middle casting station (21) with certain altitude.
Two " T " the word portion (10) that middle casting station (21) closes in order to insulate, form with each " T " word portion (10) in the middle of, shape is identical, plane projection is the tubular of " T " font, its inside end is formed into till the axial two sides that encase magnetic pole (12), and outer ends is formed into the position of hanging platform (11) beginning of " T " word portion (10).
For casting station (21) in the middle of making can be tangled when reel winder (40) rotates, a plurality of spirals are hung on the equidistantly outstanding line of demarcation that is formed between each " T " word portion (10) of inboard casting station (22) of projection (21a), and this spiral is hung projection (21a) preferably vertically, be formed between each " T " word portion (10), to strengthen the intensity of casting station (20).
And, between spiral extension projection (21a), form, with the mould that can encase adjacent two " T " word portion (10) magnetic pole (12) simultaneously, when closing tightly the die cavity casting that the hanging platform of " T " word portion (10) (11) and each " T " word portion (10) are arranged, casting liquid is finished the iron core indent (21b) that exposes after the casting with the state that is full of.
Inboard casting station (22) gives prominence to vertical direction at the position of magnetic pole (12) formation of " T " word portion (10) and forms, and it highly preferably can satisfy the required width of winding winding coil (C) winding and support winding coil (C).
As mentioned above, outside casting station (23) is at the position of hanging platform (11) formation of " T " word portion (10), and in the vertical direction is outstanding to be formed, and it highly preferably can satisfy the required width of winding winding coil (C) winding and support winding coil (C).And as shown in Figure 5, outside casting station (23) is convenient in order to make adjacent outside casting station (23) twine winding coil, and its bight forms fillet.
And outside casting station (23) can form writing board shape as shown in the figure, also can according to circumstances be made into plane projection and the identical arc-shaped surface shape of inboard casting station (22) curvature.
Yoke portion (30) forms annular, and inner circumferential surface is formed with the hanging groove (31) of the hanging platform (11) that is pressed into " T " word portion (10).
Among the figure, the part identical with prior art is with identical symbolic representation.
The following making of the stator of aforesaid inner rotor motor of the present invention.
At first, folded " T " word portion (10) that forms of many " T " font iron core flaggies with the plain steel plate thin slice of silicon is made is inserted into " T " word portion (10) in the mould of definite shape with radial arrangement.At this moment, push down the outer ends (hanging platform position) of each " T " word portion (10) and the axial middle part of magnetic pole (12) simultaneously, prevent when cast casting liquid owing between the iron core plate of each " T " word portion (10) of pouring pressure loosening phenomenon takes place.
Then, inject in the mould as the casting liquid of the material that insulate such as resin, make in the die cavity between the inner peripheral surface of its outer peripheral face that is filled in " T " word portion (10) and mould (M).Through the sclerosis of certain hour, casting liquid solidifies the casting station (20) of formation with middle casting station (21) and inboard casting station (22) and outside casting station (23) formation.At this moment, casting liquid because of the outer ends of shape underfill " T " the word portion (10) of mould all and the axial middle part of magnetic pole (12) harden with the state that exposes.
Then, peel of mould (M) deviates to have " T " word portion (10) of casting station (22), and at the outer peripheral face of " T " word portion (10), the outer peripheral face in middle casting station (21) utilizes reel winder (not shown) to twine winding coil (C) more precisely.At this moment, as shown in Figure 6, the extension portion (41) of reel winder (40) is inserted the side of receiving spiral extension projection (21a), rotation reel winder (40) twines winding coil (C) beyond the inboard, lateral of each " T " word portion around mode.
Then, will be pressed into the outer ends of " T " word portion (10) with the folded yoke portion (30) that forms of the crooked iron core flaggy of making of circular belt shape.At this moment, the outer ends of " T " word portion (10) is formed with the outstanding hanging platform (11) that forms, and the medial surface of yoke portion (30) is formed with hanging groove (31) with firm being assembled into together of " T " word portion (10) and yoke portion (30).
Like this, for the so-called inner rotor motor that rotor is arranged on the stator inboard, make the lateral septal formation of " T " word portion of stator, with adopt from the outer felt of " T " word portion outside winding coil so-called around mode, twine winding coil continuously, connect winding coil relatively by being connected operations such as printed circuit board (PCB) (PCB) or welding again with single winding winding coil, can simplify working process, improve the production efficiency of motor.
When utilizing reel winder to twine winding coil continuously in casting station, the extension portion of reel winder hangs over the spiral extension projection of casting station and rotates, and prevents the assembly idle running of described " T " word portion and casting station, and stable rotation, keeps good spiral state.Therefore the operation of the spiral of winding coil is smooth, improves motor properties.
And, when injecting casting liquid, with mould the outside of each " T " word portion and inboard are pushed and to support and prevent to make the loosening phenomenon of iron core plate of " T " word portion, and therefore can prevent from the difference in height of each " T " word portion to improve motor properties because of pouring pressure.
Claims (3)
1, a kind of stator structure of inner rotor motor comprises that making magnetic pole be positioned at stacked individual iron core plate of its internal side diameter forms, and is radial arrangement ground a plurality of " T " word portion with stator center; And the outside diameter that connects all " T " word portions forms the yoke portion of stacked individual iron core plate annular formation of magnetic circuit; It is characterized in that, also comprise the internal diameter that blocks each " T " word portion and make each " T " word portion outside diameter casting station of equidistant casting of isolating mutually; And twine winding coil continuously at casting station's outer peripheral face; And on the position that the magnetic pole side of " T " word portion is cast, be formed with at least more than one the spiral that tangles reel winder rotation usefulness and hang projection.
2, the stator structure of a kind of inner rotor motor according to claim 1 is characterized in that spiral extension projection prolongs formation with the parallel rectilinear direction of casting station's center line between each " T " word portion.
3, the stator structure of a kind of inner rotor motor according to claim 2 is characterized in that spiral is hung and is formed with the iron core indent that exposes after finishing with each " T " word portion casting of mold compresses between the projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100194287A CN100533915C (en) | 2004-05-27 | 2004-05-27 | Stator structure of internal rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100194287A CN100533915C (en) | 2004-05-27 | 2004-05-27 | Stator structure of internal rotor motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1705191A CN1705191A (en) | 2005-12-07 |
| CN100533915C true CN100533915C (en) | 2009-08-26 |
Family
ID=35577601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100194287A Expired - Fee Related CN100533915C (en) | 2004-05-27 | 2004-05-27 | Stator structure of internal rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100533915C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676112B (en) * | 2017-10-18 | 2021-06-29 | 上海汽车集团股份有限公司 | Connection process of motor stator winding joint and casting mold assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912353A (en) * | 1987-10-02 | 1990-03-27 | Mitsushita Electric Industrial Co., Ltd. | Two-piece motor stator |
-
2004
- 2004-05-27 CN CNB2004100194287A patent/CN100533915C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912353A (en) * | 1987-10-02 | 1990-03-27 | Mitsushita Electric Industrial Co., Ltd. | Two-piece motor stator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1705191A (en) | 2005-12-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| 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: 20090826 Termination date: 20210527 |