CN107317417A - A kind of magneto and its rotor core - Google Patents
A kind of magneto and its rotor core Download PDFInfo
- Publication number
- CN107317417A CN107317417A CN201710757410.4A CN201710757410A CN107317417A CN 107317417 A CN107317417 A CN 107317417A CN 201710757410 A CN201710757410 A CN 201710757410A CN 107317417 A CN107317417 A CN 107317417A
- Authority
- CN
- China
- Prior art keywords
- rotor core
- magneto
- rotor
- magnetic pole
- core
- 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
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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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of rotor core of magneto, the outside of the rotor core is circumferentially arranged multiple grooves, and the groove runs through the axial direction of the rotor core.Said structure is by having multiple grooves by the outside of the rotor core of magneto is circumferentially arranged, and groove runs through the axial direction of rotor core, so that rotor core is during rotation, it can flow to form fluid field as power source drive magneto inner air, the fluid field energy produces acceleration cooling effect in itself to the surface of the stator core of the stator module of magneto, the radial ducts of stator core and rotor core, so as to avoid the arrangement of the power source of external cooling, the consumption of electric energy is reduced, the whole efficiency of the system of magneto is improved.The invention also discloses a kind of magneto in addition.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of magneto and its rotor core.
Background technology
Magneto is widely used in various applications, and it is also more and more in the application of wind power generation field.Due to
Present magneto is for lightweight and the demand more and more higher of reliability, when causing the permanent-magnetic wind driven generator to design, and needs
Meet more efficient ventilation and heat mode and the rotor magnetic pole structure more maintained easily.
Magneto generally uses permanent magnet in the rotor, and multiple permanent magnets are embedded into multiple laminations of rotor, or adopt
Rotor surface is attached to modes such as colligation, stickups.Very close to each other or use mechanical device is filled and reinforced between general rotor magnetic pole,
And the ventilation and heat of magneto relies primarily on the power source of external cooling, so as to need to consume additional electrical energy, the entirety of system
Efficiency is low；Reinforced additionally due to being filled between rotor magnetic pole using mechanical device, cause magnetic pole maintainable and reuse ratio compared with
It is low.
In summary, how to solve magneto radiating consumption electric energy cause the problem of whole efficiency of system is low, into
For those skilled in the art's technical barrier urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of magneto and its rotor core, to solve magneto radiating consumption electric energy
Cause the problem of whole efficiency of system is low.
To achieve these goals, the invention provides a kind of rotor core of magneto, outside the rotor core
Side is circumferentially arranged multiple grooves, and the groove runs through the axial direction of the rotor core.
Preferably, the groove being arranged circumferentially along the rotor core.
Preferably, including be fixed on armature spindle and can be rotated around the axle center of the armature spindle rotor field spider, fixation
Multiple magnetic pole boxes and the permanent magnet being arranged in the cavity of the magnetic pole box on the rotor field spider；Multiple magnetic pole boxes
The groove is constituted along the gap between the circumferentially distributed of the rotor field spider, and the two neighboring magnetic pole box.
Preferably, the magnetic pole box being arranged circumferentially along the rotor field spider.
Preferably, the cavity of the magnetic pole box is the cavity that punching is overrided to form.
Preferably, the cavity of the magnetic pole box is the cavity that sheet metal is bent.
Content is introduced compared to background technology, the rotor core of above-mentioned magneto, the outside of rotor core is circumferentially set
Multiple grooves are equipped with, and groove runs through the axial direction of rotor core.By the way that the outside of the rotor core of magneto is circumferentially set
Multiple grooves are equipped with, and groove runs through the axial direction of rotor core so that rotor core can be used as power during rotation
Source driving magneto inner air flows to form fluid field, the stator core of the fluid field energy to the stator module of magneto
Surface, the radial ducts of stator core and rotor core produce acceleration cooling effect in itself, so as to avoid external cold
But the arrangement of power source, reduces the consumption of electric energy, improves the whole efficiency of the system of magneto.
The present invention also provides a kind of magneto, including stator module and the bore of stator for being arranged on the stator module in addition
Interior rotor assembly, the rotor assembly includes rotor core, and the rotor core is turning described by any of the above-described scheme
Sub- iron core.Because above-mentioned rotor core has above-mentioned technique effect, the magneto with above-mentioned rotor core should also have phase
The technique effect answered, will not be repeated here.
Brief description of the drawings
The structural representation for the magneto that Fig. 1 provides for one embodiment of the invention；
The structural representation for the magneto that Fig. 2 provides for another embodiment of the present invention.
In figure 1 above and Fig. 2,
Stator module 1, rotor assembly 2, armature spindle 3, rotor core 4, groove 5, rotor field spider 6, magnetic pole box 7, permanent magnet
8。
Embodiment
The core of the present invention is to provide a kind of magneto and its rotor core, to solve magneto radiating consumption electric energy
Cause the problem of whole efficiency of system is low.
In order that those skilled in the art more fully understands the technical scheme that provides of the present invention, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
As depicted in figs. 1 and 2, the rotor core of a kind of magneto provided in an embodiment of the present invention, the rotor core 4
Outside is circumferentially arranged multiple grooves 5, and groove 5 runs through the axial direction of rotor core 4.
The rotor core of above-mentioned magneto, by having multiple by the outside of the rotor core of magneto is circumferentially arranged
Groove, and groove runs through the axial direction of rotor core so that rotor core, can be as power source drive forever during rotation
Magneto inner air flows to form fluid field, the fluid field energy to the surface of the stator core of the stator module of magneto,
The radial ducts and rotor core of stator core produce acceleration cooling effect in itself, so as to avoid the power of external cooling
The arrangement in source, reduces the consumption of electric energy, improves the whole efficiency of the system of magneto.
In some specific embodiments, above-mentioned groove 5 being arranged circumferentially along rotor core 4.So
The fluid distrbution of fluid field formed when rotor core is rotated it is more uniform, and then radiating effect also can be relatively equal
It is even.Of course, it should be understood that above-mentioned equally distributed mode be only the embodiment of the present invention for groove be distributed it is a kind of excellent
Selection of land citing or the arrangement of non-uniform Distribution, only present invention preferably employs the mode being evenly arranged.
Further in embodiment, above-mentioned rotor core 4 includes being fixed on armature spindle 3 and can be around armature spindle 3
The rotor field spider 6 of axle center rotation, multiple magnetic pole boxes 7 for being fixed on rotor field spider 6 and be arranged in the cavity of magnetic pole box 7
Permanent magnet 8；Multiple magnetic pole boxes 7 constitute groove along the gap between the circumferentially distributed of rotor field spider 6, and two neighboring magnetic pole box 7
5.Need exist for explanation, constituted above by the gap between magnetic pole box to be formed fluid groove structure be only the present invention
Embodiment sets above-mentioned groove for the other positions beyond the preferable examples of groove or the magnetic pole box of rotor core
Structure forms fluid field to realize during rotor core rotation.Only the gap between above-mentioned magnetic pole box constitutes the structure of groove more
Plus beneficial to the radiating to magnetic pole, therefore present invention preferably employs the structure that the gap between above-mentioned magnetic pole box constitutes groove.
More specifically in some embodiments, above-mentioned magnetic pole box 7 being arranged circumferentially along rotor field spider 6.Certainly
It is understood that the above-mentioned mode being evenly arranged is only citing of the present invention implementation for magnetic pole box circumferentially, also may be used
In the way of being to select nonuniform mutation operator according to the actual requirements.
In addition, the cavity that the cavity of above-mentioned magnetic pole box 7 can be overrided to form for punching；Can also be that sheet metal bending is formed
Cavity, or be those skilled in the art commonly use other formed cavitys structure, such as sheet metal welding into etc..
The present invention also provides a kind of magneto in addition, including stator module 1 and is arranged in the bore of stator of stator module 1
Rotor assembly 2, rotor assembly 2 include rotor core 4, and the rotor core 4 be any of the above-described scheme described by rotor
Iron core.Because above-mentioned rotor core has above-mentioned technique effect, the magneto with above-mentioned rotor core should also have corresponding
Technique effect, will not be repeated here.
Magneto provided by the present invention and its rotor core are described in detail above.It should be noted that
Each embodiment in this specification is described by the way of progressive, and what each embodiment was stressed is and other implementations
The difference of example, between each embodiment identical similar part mutually referring to.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that article or equipment including a series of key elements not only include those key elements, but also
Including other key elements being not expressly set out, or also include for this article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that including the article of above-mentioned key element
Or also there is other identical element in equipment.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (7)
1. a kind of rotor core of magneto, it is characterised in that the outside of the rotor core (4) is circumferentially arranged multiple
Groove (5), and the groove (5) runs through the axial direction of the rotor core (4).
2. the rotor core of magneto as claimed in claim 1, it is characterised in that the groove (5) is along the rotor iron
Core (4) are arranged circumferentially.
3. the rotor core of magneto as claimed in claim 1, it is characterised in that including being fixed on armature spindle (3) and
The rotor field spider (6) that can be rotated around the axle center of the armature spindle (3), the multiple magnetic poles being fixed on the rotor field spider (6)
Box (7) and the permanent magnet (8) being arranged in the cavity of the magnetic pole box (7)；Multiple magnetic pole boxes (7) are along the rotor field spider
(6) circumferentially distributed, and gap between the two neighboring magnetic pole box (7) constitutes the groove (5).
4. the rotor core of magneto as claimed in claim 3, it is characterised in that the magnetic pole box (7) is along the rotor
Support (6) are arranged circumferentially.
5. the rotor core of magneto as described in claim 3 or 4, it is characterised in that the cavity of the magnetic pole box (7) is
The cavity that punching is overrided to form.
6. the rotor core of magneto as described in claim 3 or 4, it is characterised in that the cavity of the magnetic pole box (7) is
The cavity of sheet metal bending.
7. a kind of magneto, including stator module (1) and the rotor assembly being arranged in the bore of stator of the stator module (1)
(2), the rotor assembly (2) includes rotor core (4), it is characterised in that the rotor core (4) is such as claim 1-6
Rotor core described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757410.4A CN107317417A (en) | 2017-08-29 | 2017-08-29 | A kind of magneto and its rotor core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757410.4A CN107317417A (en) | 2017-08-29 | 2017-08-29 | A kind of magneto and its rotor core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317417A true CN107317417A (en) | 2017-11-03 |
Family
ID=60176843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710757410.4A Pending CN107317417A (en) | 2017-08-29 | 2017-08-29 | A kind of magneto and its rotor core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391057A (en) * | 2018-09-27 | 2019-02-26 | 湖南湘电动力有限公司 | A kind of magnet ring modular rotor and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490790U (en) * | 2009-05-06 | 2010-05-26 | 新疆金风科技股份有限公司 | Modular pole rotor structure of high-power permanent magnet synchronous motor |
| CN202352467U (en) * | 2011-12-03 | 2012-07-25 | 孙晖 | Sheet-folding type transformer iron core |
| CN103138449A (en) * | 2013-03-22 | 2013-06-05 | 湘潭电机股份有限公司 | Rotor of permanent magnet motor and permanent magnet motor |
| CN203632390U (en) * | 2013-12-13 | 2014-06-04 | 天津瑞德科技发展有限公司 | Rare earth permanent magnetic torque motor with assembling type rotor |
| CN206226158U (en) * | 2016-12-12 | 2017-06-06 | 河南全新机电设备有限公司 | A kind of cooling structure of permanent-magnetic synchronous motor rotor |
-
2017
- 2017-08-29 CN CN201710757410.4A patent/CN107317417A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490790U (en) * | 2009-05-06 | 2010-05-26 | 新疆金风科技股份有限公司 | Modular pole rotor structure of high-power permanent magnet synchronous motor |
| CN202352467U (en) * | 2011-12-03 | 2012-07-25 | 孙晖 | Sheet-folding type transformer iron core |
| CN103138449A (en) * | 2013-03-22 | 2013-06-05 | 湘潭电机股份有限公司 | Rotor of permanent magnet motor and permanent magnet motor |
| CN203632390U (en) * | 2013-12-13 | 2014-06-04 | 天津瑞德科技发展有限公司 | Rare earth permanent magnetic torque motor with assembling type rotor |
| CN206226158U (en) * | 2016-12-12 | 2017-06-06 | 河南全新机电设备有限公司 | A kind of cooling structure of permanent-magnetic synchronous motor rotor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391057A (en) * | 2018-09-27 | 2019-02-26 | 湖南湘电动力有限公司 | A kind of magnet ring modular rotor and motor |
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| PB01 | Publication | ||
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Application publication date: 20171103 |