KR20120032732A - Flat type rotating apparatus - Google Patents

Flat type rotating apparatus Download PDF

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Publication number
KR20120032732A
KR20120032732A KR1020100094222A KR20100094222A KR20120032732A KR 20120032732 A KR20120032732 A KR 20120032732A KR 1020100094222 A KR1020100094222 A KR 1020100094222A KR 20100094222 A KR20100094222 A KR 20100094222A KR 20120032732 A KR20120032732 A KR 20120032732A
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KR
South Korea
Prior art keywords
stator
core
coupled
support
plate
Prior art date
Application number
KR1020100094222A
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Korean (ko)
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KR101134215B1 (en
Inventor
조윤현
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조윤현
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Application filed by 조윤현 filed Critical 조윤현
Priority to KR1020100094222A priority Critical patent/KR101134215B1/en
Publication of KR20120032732A publication Critical patent/KR20120032732A/en
Application granted granted Critical
Publication of KR101134215B1 publication Critical patent/KR101134215B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/12—Machines characterised by the bobbins for supporting the windings

Abstract

Disclosed is a flat rotary device. The flat rotary machine is in contact with the outer surface of the plurality of first tooth cores coupled to the first support plate of the stator. Therefore, the magnetic flux generated in the rotor flows smoothly through the stator, and no leakage magnetic flux occurs, thereby improving performance. Then, the first tooth core of the stator is pressed into the first coupling rail formed on the first support plate of the stator. In addition, when a plurality of stators are provided, adjacent first tooth cores are pressed into the wedge members, respectively, to be coupled to each other. Therefore, the coupling force between the first base plate and the first tooth core and the coupling force between the first tooth core are improved.

Description

Flat Plate Rotary Machine {FLAT TYPE ROTATING APPARATUS}

The present invention relates to a flat plate rotary machine.

Rotary machines include electric motors or generators.

A flat plate rotating machine is a rotating machine which has a stator and a rotor formed in a plate shape to be slimmed and thinned.

The stator of the plate-type rotary machine disclosed in Korean Patent Registration No. 529118, Korean Utility Registration No. 312895, and Korean Patent Registration No. 562086, filed by the present applicant, has a base core and a tooth core coupled to each other. Core) and a coil wound on the tooth core.

The stator of the conventional plate-type rotary machine is spaced apart from each other the lower side portion of the tooth core coupled to the support core. As a result, a magnetic path of the magnetic flux generated by the rotor of the rotating machine and flowing through the stator is not smoothly formed, and there is a disadvantage in that leakage magnetic flux is generated and performance is degraded.

In addition, since the lower portion of the tooth core is simply inserted into the slot of the support core, the coupling force between the support core and the tooth core is weak.

The present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a flat rotary device that can improve the performance.

It is another object of the present invention to provide a flat rotary device capable of improving the coupling force between the support plate and the tooth core of the stator.

Plate-type rotary device according to the present invention for achieving the above object, a support shaft; A ring-shaped first base plate (base core) having an inner circumferential surface coupled to an outer circumferential surface of the support shaft, and a plurality of first tooth cores having one surface coupled to the first base plate radially with respect to the center of the first base plate A stator ring-shaped stator having a bobbin coupled to the outer surface side of the first tooth core and a coil wound around the bobbin; It is supported on the outer circumferential surface side of the support shaft is rotatably installed, and comprises a flat ring-shaped rotor that rotates in action with the stator,

The outer surface of one side of the first tooth core coupled to the first support plate is in contact with each other, and the outer surface of the first tooth core is spaced apart from each other so that the bobbin is coupled.

In the flat plate rotating apparatus according to the present invention, the outer surfaces of the plurality of first tooth cores coupled to the first support plate of the stator are in contact with each other. Therefore, the magnetic flux generated in the rotor flows smoothly through the stator, and no leakage magnetic flux occurs, thereby improving performance.

Then, the first tooth core of the stator is pressed into the first coupling rail formed on the first support plate of the stator. In addition, when a plurality of stators are provided, adjacent first tooth cores are pressed into the wedge members, respectively, to be coupled to each other. Therefore, the coupling force between the first base plate and the first tooth core and the coupling force between the first tooth core are improved.

1 is a cross-sectional view of a flat plate rotary machine according to a first embodiment of the present invention.
2 is an exploded perspective view of the stator shown in FIG.
3 is a perspective view of the rotor shown in FIG.
4 is a cross-sectional view of a plate type rotary machine according to a second embodiment of the present invention.
Figure 5a is a cross-sectional view of a flat plate rotary machine according to a third embodiment of the present invention.
FIG. 5B is a perspective view of main parts of the stator shown in FIG. 5A; FIG.
6A is a cross-sectional view of a plate type rotary machine according to a fourth embodiment of the present invention.
FIG. 6B is a perspective view of main parts of the stator shown in FIG. 6A; FIG.
7 is a cross-sectional view of a plate type rotary machine according to a fifth embodiment of the present invention.
8 is a cross-sectional view of a flat plate rotary machine according to a sixth embodiment of the present invention.
9 is a perspective view of a rotor of the plate-type rotary machine according to the seventh embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a plate-type rotary machine according to embodiments of the present invention.

First Example

1 is a cross-sectional view of a flat plate rotary machine according to a first embodiment of the present invention.

As shown, the plate-type rotary machine according to the first embodiment of the present invention has a support shaft (110).

Hereinafter, in referring to the surface and the direction of the other components including the support shaft 110, the "upper surface and the upper side", the upper surface and the direction toward the lower side, the "surface and the direction toward the lower side" and Lower side ".

The lower side outer circumferential surface of the support shaft 110 is fixed to the plate-shaped stator 120 is coupled, the upper side outer circumferential surface of the rotor 130 which rotates in response to the stator 120 is rotatably installed.

The stator 120 according to the first embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 2 is an exploded perspective view of the stator shown in FIG. 1.

As shown, the stator 120 has a first backing plate 121, a first tooth core 124, a bobbin 127, and a coil 128.

For the sake of simplicity, the illustration of the bobbin 127 and the coil 128 is omitted for the remaining first tooth core 124 except for the first tooth core 124 disassembled in FIG. 2.

The first support plate 121 is formed in a metal ring shape, and an inner circumferential surface thereof is coupled to a lower outer circumferential surface of the support shaft 110. The first tooth core 124 is formed by stacking a plurality of thin "I" shaped thin plates formed of a metal, and having a bottom surface coupled to an upper surface of the first support plate 121. Preferably, the first tooth core 124 is formed of a silicon steel sheet, and a plurality of the first tooth cores 124 are radially coupled with a plurality of intervals with respect to the center of the first support plate 121.

The bobbin 127 is formed of a synthetic resin and coupled to the upper outer surface of the first tooth core 124, and the coil 128 is wound around the outer circumferential surface of the bobbin 127. The method of coupling the bobbin 127 to the first tooth core 124 may be performed by cutting one side of the bobbin 127 and joining it to the first tooth core 124, or after manufacturing the bobbin 127 elastically. 127 may be extended to couple to the first tooth core 124.

In the flat plate rotating device according to the first embodiment of the present invention, the lower outer surface of the first tooth core 124 coupled to the first support plate 121 protrudes outwardly than the outer surface of other portions, and the upper outer surface Are spaced apart from each other. Thus, the lower outer surface of the first tooth core 124 is in contact with each other, and the bobbin 127 is coupled to the upper outer surface.

A first coupling rail 122 having a “T” shape in a widthwise cross-sectional shape is formed on an upper surface of the first support plate 121, and a widthwise cross-section is formed on a lower surface of the first tooth core 124. A first press-fit groove 125 having a "T" shape is formed. The first coupling rail 122 and the first pressing groove 125 are formed in a corresponding shape, and the first coupling rail 122 is press-fitted into the first pressing groove 125. Thus, the first tooth core 124 is coupled to the first base plate 121.

The first coupling rail 122 is coupled to the first support plate 121 by the fastening member 129.

The rotor 130 according to the first embodiment of the present invention will be described with reference to FIGS. 1 and 3. 3 is a perspective view of the rotor shown in FIG. 1.

As shown, the rotor 130 is based on the center of the ring-shaped metal second support plate 131 and the second support plate 131 rotatably installed on the outer peripheral surface of the upper side of the support shaft 110 The plurality of permanent magnets 135 are radially coupled to the second support plate 131 to face the stator 120 and have a mutual gap therebetween.

The permanent magnet 135 is inserted into the coupling groove 132 formed in the second support plate 131 is adhesively bonded. The second support plate 131 is rotatably installed on the support shaft 110 through the bearing 140 installed on the support shaft 110.

The plate-type rotating device according to the first embodiment of the present invention is a rotor by an electric field formed in the stator 120 and a magnetic field formed in the rotor 130 when power is applied to the coil 128 of the stator 120. 130 rotates.

In the flat plate rotating apparatus according to the first embodiment of the present invention, since the lower outer surfaces of the first tooth cores 124 adjacent to each other are in contact with each other, the magnetic flux generated from the permanent magnet 135 passes through the stator 120. Flows smoothly and no leakage flux occurs. Thus, performance is improved.

In addition, since the first coupling rail 122 of the first supporting plate 121 is press-fitted into the first pressing groove 125 of the first tooth core 124, the first supporting plate 121 and the first tooth core 124 are pressed. The bonding force is improved.

2nd to 7th Example

4 is a cross-sectional view of the plate-type rotary machine according to the second embodiment of the present invention, and only the differences from the first embodiment will be described.

As shown, a plurality of stators 220 and rotors 230 are provided to correspond to each other. The rotor 230 is located at the outermost side, and the stator 220 is positioned between the rotors 230.

At this time, the rotor 230 is coupled to each other. That is, the ring-shaped connecting frame 250 is coupled to the outer circumferential surface of the second support plate 231 of the rotor 230 to couple the rotor 230 integrally with each other.

FIG. 5A is a cross-sectional view of a plate-type rotary machine according to a third embodiment of the present invention, and FIG. 5B is a perspective view of main parts of the stator shown in FIG. 5A, illustrating only differences from the second embodiment.

As shown, the stator 320 adjacent to each other share the first support plate 321, the first tooth core 324 is coupled to the lower surface and the upper surface of the first support plate 321, respectively.

FIG. 6A is a cross-sectional view of a flat plate rotary machine according to a fourth embodiment of the present invention, and FIG. 6B is a perspective view of main parts of the stator shown in FIG. 6A, which describes only differences from the third embodiment.

As shown, the mutually adjacent stators 420 are in contact with opposite surfaces of the first tooth core 424, respectively. When the opposing surfaces of the first tooth cores 424 come into contact with each other, the first press-fit grooves 425 respectively formed in the first tooth cores 424 communicate with each other. At this time, the wedge member 423 is press-fitted to the first press-fit groove 425 communicated with each other. Thus, the first tooth core 424 of the stator 420 located above and the first tooth core 424 of the stator 420 located below are coupled to each other.

One longitudinal end portion of the wedge member 423 protrudes outward of the first tooth core 424 and is coupled to an outer circumferential surface of the support shaft 410.

FIG. 7 is a cross-sectional view of the plate-type rotary machine according to the fifth embodiment of the present invention, and describes only differences from the first embodiment.

As shown, a plurality of stators 520 and rotors 530 are provided to correspond to each other. The stator 520 is located at the outermost side, and the rotor 530 is positioned between the stator 520. At this time, the rotor 530 is integrally coupled to each other by a connecting frame 550.

FIG. 8 is a cross-sectional view of the plate type rotary machine according to the sixth embodiment of the present invention, and only the differences from the fifth embodiment will be described.

As shown, the adjacent rotors 630 share a second support plate 631, and the permanent magnets 635 are coupled to the bottom and top surfaces of the second support plate 631, respectively.

9 is a perspective view of the rotor of the plate-type rotary machine according to the seventh embodiment of the present invention, illustrating only differences from the first embodiment.

As shown, the rotor 750 has a base core 751, a second tooth core 754, and a short ring 757.

The supporting core 751 is formed by laminating a plurality of ring-shaped thin plates formed of metal, and the second tooth core 754 is formed by laminating a plurality of thin plates of substantially inverse "T" shape made of metal. The plurality of second tooth cores 754 are coupled to the support cores 751 with the plurality of second tooth cores 754 radially spaced from the center of the support core 751 to face the stator 140 (see FIG. 1).

The short ring 757 is formed in the support core 751 by die casting and prevents the second tooth core 754 from escaping from the support core 751 and at the same time adjacent to each other the second teeth. The cores 754 are mutually partitioned. At this time, the short ring 757 is provided with any one selected from aluminum or copper.

In order to more firmly couple the support core 751 and the second tooth core 754, a second coupling rail 752 is formed on the support core 751, and a second coupling rail (2) is formed on the second tooth core 754. A second press fit groove 755 is formed through which 752 is press fit.

Of course, the rotor 750 of the plate-type rotary machine according to the seventh embodiment of the present invention can be used as the rotor of the plate-type rotary machine according to the first to sixth embodiments of the present invention.

When the rotor 750 of the plate-type rotary machine according to the seventh embodiment of the present invention is applied to the sixth embodiment of the present invention, the support core 751 is shared.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Of course.

110: support shaft 120: stator
121: first support plate 124: first tooth core
130: rotor 140: connection frame

Claims (14)

Support shaft;
A ring-shaped first base plate (base core) having an inner circumferential surface coupled to an outer circumferential surface of the support shaft, and a plurality of first tooth cores having one surface coupled to the first base plate radially with respect to the center of the first base plate. A stator ring-shaped stator having a bobbin coupled to the outer surface side of the first tooth core and a coil wound around the bobbin;
It is supported on the outer circumferential surface side of the support shaft is rotatably installed, and comprises a flat ring-shaped rotor that rotates in action with the stator,
The outer surface of one surface side of the first tooth core coupled to the first support plate is in contact with each other, the other surface side surface is spaced apart from each other, characterized in that the bobbin is coupled. The method of claim 1,
The one side of the outer surface of the first tooth core is protruded to the outside more than the other surface side of the flat plate type rotary machine, characterized in that the mutual contact. The method of claim 2,
The first support plate is formed with a first coupling rail, the first tooth core is a flat plate rotary device, characterized in that the first pressing groove is formed by the first coupling rail is press-coupled. The method of claim 3, wherein
The first coupling rail is a flat plate rotary device, characterized in that coupled to the first supporting plate by a fastening member. The method of claim 4, wherein
The first coupling rail and the first press-in groove is a flat rotary device, characterized in that the "T" shape corresponding to the cross-sectional shape in the width direction. The method of claim 5, wherein
The rotor is radially coupled to the second support plate while having a mutual distance from the center of the ring-shaped metal second support plate and the second support plate supported on the support shaft via a bearing installed on an outer circumferential surface of the support shaft. And a plurality of permanent magnets facing the stator. The method of claim 5, wherein
The rotor is coupled to the support core radially while having a mutual interval with respect to the center of the support core, the ring-shaped metal support core supported on the support shaft via a bearing installed on the outer peripheral surface of the support shaft, the stator A plurality of second tooth cores of the magnetic body facing each other, the short cores being formed on the support cores and preventing the second tooth cores from escaping from the support cores; Plate type rotary machine, characterized in that. The method of claim 7, wherein
The short-circuit ring is a plate-type rotary device, characterized in that formed by die casting any one selected from aluminum or copper. The method of claim 8,
And a second coupling rail is formed in the support core, and the second tooth core is formed with a second press-fit groove through which the second coupling rail is press-fitted. The method according to claim 6 or 9,
A plurality of stator and the rotor are provided to correspond to each other,
The plurality of rotors are interconnected by a connecting frame,
The stator adjacent to each other share the first support plate,
Flat rotating machine, characterized in that the first coupling rail is formed on one surface and the other surface of the first support plate. The method according to claim 6,
A plurality of stator and the rotor are provided to correspond to each other,
The plurality of rotors are interconnected by a connecting frame,
The rotors adjacent to each other share the second support plate,
Flat plate rotary device, characterized in that the permanent magnet is coupled to one surface and the other surface of the second support plate. The method of claim 9,
A plurality of stator and the rotor are provided to correspond to each other,
The plurality of rotors are interconnected by a connecting frame,
The rotors adjacent to each other share the support core;
And a second tooth core coupled to one side and the other side of the support core, respectively. Support shaft; A plurality of tooth cores disposed radially with respect to the support shaft, a bobbin coupled to an outer surface of the tooth core, and a plate ring stator supported on the support shaft while having a coil wound around the bobbin; In the flat plate type rotary machine, which is supported on the outer circumferential surface side of the support shaft and is rotatably installed, and includes a flat plate-shaped rotor that rotates in action with the stator.
One surface side outer surface of the tooth core protrudes outward than the other surface side is in contact with each other,
The outer surface side of the tooth core is spaced apart from each other and the bobbin is coupled,
A plurality of stator and the rotor are provided to correspond to each other,
And one surface of the tooth core of the stator of one of the stator adjacent to each other and one surface of the tooth core of the other of the stator are in contact with each other. The method of claim 13,
Indentation grooves are formed on one surface of the tooth core,
When one surface of the tooth core is in contact with each other, the indentation grooves are in communication with each other,
Wedge members are press-fitted into the press-fitted grooves communicated with each other,
One side of the wedge member is protruded to the outside of the tooth core flat plate rotary device, characterized in that coupled to the outer peripheral surface of the support shaft.
KR1020100094222A 2010-09-29 2010-09-29 Flat type rotating apparatus KR101134215B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100094222A KR101134215B1 (en) 2010-09-29 2010-09-29 Flat type rotating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100094222A KR101134215B1 (en) 2010-09-29 2010-09-29 Flat type rotating apparatus

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KR20120032732A true KR20120032732A (en) 2012-04-06
KR101134215B1 KR101134215B1 (en) 2012-04-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112350460A (en) * 2019-08-09 2021-02-09 精工爱普生株式会社 Axial gap motor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102155609B1 (en) 2018-07-10 2020-09-14 주식회사 나우테크 Axial type motor for traction machine with stator core and producing appatatus therefor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002247786A (en) 2001-02-16 2002-08-30 Mitsubishi Electric Corp Manufacturing method of motor and motor stator
KR20020090189A (en) * 2002-10-22 2002-11-30 조윤현 Disk type induction motor for washing machine
JP2004328971A (en) 2003-04-28 2004-11-18 Matsushita Electric Ind Co Ltd Motor
KR100791359B1 (en) 2006-07-28 2008-01-03 한국전기연구원 Structure for the fix of stator in axial flux motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112350460A (en) * 2019-08-09 2021-02-09 精工爱普生株式会社 Axial gap motor

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