CN109494892A - A kind of single-phase alternator - Google Patents
A kind of single-phase alternator Download PDFInfo
- Publication number
- CN109494892A CN109494892A CN201811351109.4A CN201811351109A CN109494892A CN 109494892 A CN109494892 A CN 109494892A CN 201811351109 A CN201811351109 A CN 201811351109A CN 109494892 A CN109494892 A CN 109494892A
- Authority
- CN
- China
- Prior art keywords
- stator winding
- rotor
- stator
- phase alternator
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/47—Air-gap windings, i.e. iron-free windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The present invention provides a kind of single-phase alternator, its stator winding is without stator core, stator winding is radially to be buckled togather by two groups of air core coils from the two sides of rotor, serial or parallel connection forms, the coil center of winding forms cylindrical cavity, rotor is made of cylindrical permanent magnet and rotation axis, permanent magnet radial magnetizing.Therefore, when rotor rotates, the permanent magnet of rotation generates the variation of magnetic flux in stator winding coil, and stator winding coil just produces induced current, and structure is simple, high-efficient.
Description
Technical field
The present invention relates to technical field of motors more particularly to single-phase alternator technical fields.
Background technique
In the prior art, brush-less permanent magnetic single-phase alternator is made of stator and rotor two parts, stationary part
It is made of stator core and stator winding, rotor portion is made of rotation axis and cylindrical permanent magnet, and permanent magnet radially fills
Magnetic.
Above-mentioned single-phase alternator has stator core, and the magnetic line of force of permanent magnet is to pass through stator winding by iron core
, magnetic loop is longer, has the gap on magnetic loop, and magnetic resistance is big, and low efficiency, volume is big, and structure is complicated.
In order to overcome the deficiencies of the prior art, the present invention provides a kind of single-phase alternator of stator iron-core-free, permanent magnetic
Iron is arranged in the cavity of stator winding coil, permanent magnet radial magnetizing.Therefore, when rotor rotates, the permanent magnetic of rotation
Iron generates the variation of magnetic flux in stator winding coil, and stator winding coil just produces induced current, and structure is simple, efficiency
It is high.
Summary of the invention
The present invention provides a kind of single-phase alternator, including stator and rotor, characteristic are: stator mainly by casing and
1 stator winding composition, stator winding is radially to be buckled togather by two groups of air core coils from the two sides of rotor, serial or parallel connection
It forms, the coil turn of two groups of air core coils is identical, and stator winding forms cylindrical cavity, the axis of stator winding in peritrochanteric
The intersection of the axis of line and motor is simultaneously vertical, and stator winding has the gap with rotor；Rotor mainly by columnar permanent magnet and turns
Moving axis composition, permanent magnet radial magnetizing.
There are two straight line and two curved sides for the stator winding, and two straight lines are parallel with the axis of motor, and two
The arcuate portion of curved side is buckled in the two sides of rotation axis.
The air core coil is the rigid line circle made of coiling, dipping lacquer, drying and shaping on the online mould of enameled wire.
The permanent magnet is made of sintered neodymium iron boron material.
Detailed description of the invention
Fig. 1 is a kind of sectional view of single-phase alternator provided by the invention；
Fig. 2 is the A-A cross-section diagram of Fig. 1；
Fig. 3 is the B-B cross-section diagram of Fig. 1；
In figure:
1 is casing；
2 be left end cap；
3 be right end cap；
4,5 be bearing；
6 be rotation axis；
7 be cylindrical permanent magnet；
8,9 be air core coil.
With reference to the accompanying drawing and specific embodiment further illustrates the present invention.
Embodiment
Attached drawing 1 is the sectional view of single-phase alternator of the invention, air core coil 8 and air core coil 9 from the two of rotor
Side is radially buckled togather, and forms 1 stator winding in parallel or series, rotor permanent magnetic can be accommodated by forming 1 in winding coil
The cylindrical cavity of iron, air core coil 8 and air core coil 9 are mounted on casing 1, and rotor is by cylindrical permanent magnet 7 and turns
Moving axis 6 forms, and permanent magnet 7 is fixed in rotation axis 6, and rotation axis 6 is mounted on bearing 4, on bearing 5, and bearing 4, bearing 5 are installed
On left end cap 2 and right end cap 3.
Claims (4)
1. a kind of single-phase alternator, including stator and rotor, characteristic are: stator is mainly by casing and 1 stator winding
Composition, stator winding is radially to be buckled togather by two groups of air core coils from the two sides of rotor, and serial or parallel connection forms, and two groups empty
The coil turn of wire-core coil is identical, and stator winding forms cylindrical cavity in peritrochanteric, the axis of stator winding and motor
Axis intersection is simultaneously vertical, and stator winding has the gap with rotor；Rotor is mainly made of columnar permanent magnet and rotation axis, forever
Long magnet radial magnetizing.
2. the single-phase alternator provided according to claim 1, it is characterized in that: there are two straight line and two for the stator winding
A curved side, two straight lines are parallel with the axis of motor, and the arcuate portion of two curved sides is buckled in the two sides of rotation axis.
3. the single-phase alternator provided according to claim 1, it is characterized in that: the air core coil is with the online mould of enameled wire
Rigid line circle made of upper coiling, dipping lacquer, drying and shaping.
4. the single-phase alternator provided according to claim 1, it is characterized in that: the permanent magnet uses sintered NdFeB material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351109.4A CN109494892A (en) | 2018-11-02 | 2018-11-02 | A kind of single-phase alternator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351109.4A CN109494892A (en) | 2018-11-02 | 2018-11-02 | A kind of single-phase alternator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494892A true CN109494892A (en) | 2019-03-19 |
Family
ID=65695759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811351109.4A Pending CN109494892A (en) | 2018-11-02 | 2018-11-02 | A kind of single-phase alternator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494892A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444115A (en) * | 2020-11-24 | 2021-03-05 | 宁波玻尔新材料科技有限公司 | Wool weaving cloth drying device with remove fine hair function |
| CN112983555A (en) * | 2021-02-22 | 2021-06-18 | 立讯电子科技（昆山）有限公司 | Turbine rotor and turbine rotor motor |
| TWI768360B (en) * | 2019-12-17 | 2022-06-21 | 李天德 | Permanent magnet air coil generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728514A (en) * | 2004-07-28 | 2006-02-01 | 浙江陆发微电机有限公司 | Ultra micro DC brushless motor |
| CN106342387B (en) * | 2008-10-13 | 2014-04-16 | 西安航天动力测控技术研究所 | The non-groove stator single-phase alternating current asynchronous machine that sinusoidal drag cup winding forms |
| CN204707013U (en) * | 2015-05-20 | 2015-10-14 | 刘新广 | Iron-core less motor |
| CN105871161A (en) * | 2016-04-07 | 2016-08-17 | 温州的可电器有限公司 | Miniature brushless DC motor |
-
2018
- 2018-11-02 CN CN201811351109.4A patent/CN109494892A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728514A (en) * | 2004-07-28 | 2006-02-01 | 浙江陆发微电机有限公司 | Ultra micro DC brushless motor |
| CN106342387B (en) * | 2008-10-13 | 2014-04-16 | 西安航天动力测控技术研究所 | The non-groove stator single-phase alternating current asynchronous machine that sinusoidal drag cup winding forms |
| CN204707013U (en) * | 2015-05-20 | 2015-10-14 | 刘新广 | Iron-core less motor |
| CN105871161A (en) * | 2016-04-07 | 2016-08-17 | 温州的可电器有限公司 | Miniature brushless DC motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI768360B (en) * | 2019-12-17 | 2022-06-21 | 李天德 | Permanent magnet air coil generator |
| CN112444115A (en) * | 2020-11-24 | 2021-03-05 | 宁波玻尔新材料科技有限公司 | Wool weaving cloth drying device with remove fine hair function |
| CN112983555A (en) * | 2021-02-22 | 2021-06-18 | 立讯电子科技（昆山）有限公司 | Turbine rotor and turbine rotor motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |