CN104734422B - A kind of novel permanent-magnet motor - Google Patents
A kind of novel permanent-magnet motor Download PDFInfo
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- CN104734422B CN104734422B CN201510190059.6A CN201510190059A CN104734422B CN 104734422 B CN104734422 B CN 104734422B CN 201510190059 A CN201510190059 A CN 201510190059A CN 104734422 B CN104734422 B CN 104734422B
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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a kind of novel permanent-magnet motor, including stator and rotor, described stator is included support and the iron core of inboard wall of base is fixed on by hot jacket, iron core is provided with winding, spiral tank is provided with out frame, interior logical cooling water, the two ends of support are connected with end cap by bolt and seam, described rotor includes the rotating shaft for using permeability magnetic material and the magnet for being embedded in rotating shaft surface, it is cased with outside magnet using the sheath of non-magnet_conductible material, the both sides of rotating shaft are fixed with using the end clamp plate of non-magnet_conductible material, the end clamp plate of side is the plate body with smooth surface, the end clamp plate of opposite side is provided with multiple fan blades；The present invention cools down stator using the type of cooling for strengthening support water-cooled, and rotor is cooled down using the axially air-cooled type of cooling of open type, motor is run in the limit of temperature rise for allowing, and significantly strengthens the cooling performance of motor, improves the runnability and reliability of motor.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of compact conformation, the high-speed permanent magnet motor of high power density.
Background technology
Magneto is used widely because of small, efficiency high of generating heat.In general magneto, rotor does not produce copper loss,
Iron loss can also be ignored, and rotor loss is often cooled down close to zero using simple, single support water-cooled or air cooling way
Motor stator, without considering rotor cooling problem.
When Design of PM Motor is run in power density speed conditions high higher, high frequency magnetic field is produced greatly on rotor
Amount iron loss, stator heating can also increase, and the simple type of cooling of rotor heating is not considered can not meet motor operation needs, motor
Especially temperature of rotor is drastically raised, and can cause the ill effects such as magnet loss of excitation, bearing and stator insulation service life reduction.
The content of the invention
The present invention proposes high special of a kind of compact conformation, power density to overcome the shortcoming and defect of prior art
Suitable for the magneto of speed conditions high operation.
The technical solution adopted for the present invention to solve the technical problems is：A kind of novel permanent-magnet motor, including stator and turn
Son, described stator is included support and the iron core of inboard wall of base is fixed on by hot jacket, and iron core is provided with winding, out frame
In be provided with spiral tank, interior logical cooling water, the two ends of support are connected with end cap by bolt and seam, and described rotor includes adopting
With the rotating shaft of permeability magnetic material and the magnet on rotating shaft surface is embedded in, is cased with outside magnet using the sheath of non-magnet_conductible material, rotating shaft
Both sides be fixed with end clamp plate using non-magnet_conductible material, the end clamp plate of side is the plate body with smooth surface, opposite side
End clamp plate is provided with multiple fan blades.
A kind of described novel permanent-magnet motor, is perfused with high heat conduction fluid sealant between the end of its winding and support.
A kind of described novel permanent-magnet motor, its iron core is provided with along the inclined wire casing of rotor direction of rotation, it is described around
The group insertion wire casing, the notch of the wire casing leaves larger space to form the attached groove of ventilation.
A kind of described novel permanent-magnet motor, is provided with some air vents on its end cap.
A kind of described novel permanent-magnet motor, its end clamp plate passes through to cold pressing or hot jacket is fixed on rotating shaft.
The beneficial effects of the invention are as follows：Stator is cooled down using the type of cooling for strengthening support water-cooled, using open type axial direction
The air-cooled type of cooling cools down rotor, and compared with the existing magneto using the simple type of cooling, the present invention makes motor
Run in the limit of temperature rise for allowing, significantly strengthen the cooling performance of motor, improve the runnability and reliability of motor, reduced
The size of motor, weight, make electric machine structure more compact, and power density is higher, and exploitativeness is good, with low cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the schematic cross-section of the attached slot part of stator of the present invention；
Fig. 3 is rotor structure schematic diagram of the invention.
Each reference is：1-stator, 1.1-end cap, 1.2-support, 1.3-winding, 1.4-iron core, 1.5-close
Sealing, 2-rotor, 2.1-rotating shaft, 2.2-end clamp plate, 2.2.1-fan blades, 2.2.2-plate body, 2.3-sheath, 2.4-magnetic
Body.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Shown in reference picture 1, Fig. 2 and Fig. 3, as the first embodiment of the present invention, a kind of novel permanent-magnet motor is disclosed, wrapped
Stator 1 and rotor 2 are included, described stator 1 is included support 1.2 and the iron core 1.4 of the inwall of support 1.2 is fixed on by hot jacket,
Iron core 1.4 is provided with winding 1.3, and spiral tank, interior logical cooling water, due to support 1.2 and iron core are provided with out frame 1.2
Closely connected using hot jacket between 1.4, the middle heat of stator 1 can be effectively passed to cooling water, and the two ends of support 1.2 pass through bolt
End cap 1.1 is connected with seam, described rotor 2 includes using the rotating shaft 2.1 of permeability magnetic material and is embedded in the surface of rotating shaft 2.1
Magnet 2.4, be cased with outside magnet 2.4 using the sheath 2.3 of non-magnet_conductible material, such sheath 2.3 is located at the outermost of rotor 2, Gu
Determine magnet 2.4 and form smooth surface, the both sides of rotating shaft 2.1 are fixed with using the end clamp plate 2.2 of non-magnet_conductible material, the end of side
Pressing plate 2.2 is the plate body 2.2.2 with smooth surface, and the end clamp plate 2.2 of opposite side is provided with multiple fan blades 2.2.1, multiple fan
Piece 2.2.1 forms the laminated structure of similar fan, and the end clamp plate 2.2 of this side is in the attached groove of iron core 1.4 when such rotor 2 rotates
Forming axial cooling air duct is used to cool down the surface of rotor 2.
Used as the second embodiment of the present invention, the difference with first embodiment is, end and the support 1.2 of winding 1.3
Between be perfused with high heat conduction fluid sealant 1.5, the heat of the end of such winding 1.3 can be introduced directly into support by way of conduction
1.2 are taken away by cooling water, substantially increase the cooling effect of the especially End winding 1.3 of stator 1 of stator 1, and magneto can be with
Design thermic load parameter higher.
Used as the third embodiment of the present invention, the difference with first embodiment is that iron core 1.4 is provided with and is revolved along rotor 2
Turn the inclined wire casing in direction, described winding 1.3 is embedded in the wire casing, it is logical to be formed that the notch of the wire casing leaves larger space
The attached groove of wind, some air vents are provided with described end cap 1.1, and used as cooling wind inlet and outlet, air vent exists with the attached groove of ventilation
Open type axial direction cooling air duct is formed in the presence of fan shape end clamp plate 2.2, in the case where other cooling-parts are not increased, is formed
Axial cooling air duct, process is simple is with low cost, can effectively cool down rotor, improves motor performance and safety in operation.
Additionally, used as a kind of specific embodiment, described end clamp plate 2.2 passes through to cold pressing or hot jacket is fixed on rotating shaft
On 2.1, can as needed choose at random, improve the convenience installed.
The present invention strengthens stator cooling effect by way of using water cooling base and the filling heat-conducting glue of stator winding end,
Optimize the structure of the attached groove of stator simultaneously, the rotor end holding plate with fan effect is installed and effectively cools down rotor, rotor cooling
Comprehensive reinforcement of energy, can increase substantially every design parameter of magneto, effectively reduce magneto volume, mitigate forever
Magneto weight, increases magneto power density.Can be used for the product of other similar applications, with important economic benefit and
Social benefit.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For one of ordinary skill in the art, without departing from the concept of the premise of the invention, can also make it is some deformation and
Improve, these belong to protection scope of the present invention.
Claims (4)
1. a kind of novel permanent-magnet motor, including stator（1）And rotor（2）, it is characterised in that：Described stator（1）Including support
（1.2）And support is fixed on by hot jacket（1.2）The iron core of inwall（1.4）, iron core（1.4）It is provided with winding（1.3）, stator
Support（1.2）In be provided with spiral tank, interior logical cooling water, support（1.2）Two ends end cap is connected with by bolt and seam
（1.1）, described rotor（2）Including the rotating shaft using permeability magnetic material（2.1）And it is embedded in rotating shaft（2.1）The magnet on surface
（2.4）, magnet（2.4）It is outer to be cased with using the sheath of non-magnet_conductible material（2.3）, rotating shaft（2.1）Both sides be fixed with using not leading
The end clamp plate of magnetic material（2.2）, the end clamp plate of side（2.2）It is the plate body with smooth surface（2.2.2）, the side pressure of opposite side
Plate（2.2）It is provided with multiple fan blades（2.2.1）；Described iron core（1.4）It is provided with along rotor（2）The inclined line in direction of rotation
Groove, described winding（1.3）The insertion wire casing, the notch of the wire casing leaves larger space to form the attached groove of ventilation.
2. a kind of novel permanent-magnet motor according to claim 1, it is characterised in that described winding（1.3）End with
Support（1.2）Between be perfused with high heat conduction fluid sealant（1.5）.
3. a kind of novel permanent-magnet motor according to claim 1 and 2, it is characterised in that described end cap（1.1）On be provided with
Some air vents.
4. a kind of novel permanent-magnet motor according to claim 3, it is characterised in that described end clamp plate（2.2）By cold
Pressure or hot jacket are fixed on rotating shaft（2.1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190059.6A CN104734422B (en) | 2015-04-21 | 2015-04-21 | A kind of novel permanent-magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190059.6A CN104734422B (en) | 2015-04-21 | 2015-04-21 | A kind of novel permanent-magnet motor |
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| Publication Number | Publication Date |
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| CN104734422A CN104734422A (en) | 2015-06-24 |
| CN104734422B true CN104734422B (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510190059.6A Active CN104734422B (en) | 2015-04-21 | 2015-04-21 | A kind of novel permanent-magnet motor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305704A (en) * | 2015-11-26 | 2016-02-03 | 江苏亿林利达科技有限公司 | Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof |
| CN106374683A (en) * | 2016-09-22 | 2017-02-01 | 浙江吉利控股集团有限公司 | Range-increasing type generator water-cooling structure |
| CN107425645A (en) * | 2017-07-27 | 2017-12-01 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | Low magnetic low-vibration noise motor |
| CN107359743A (en) * | 2017-09-01 | 2017-11-17 | 贵州苏佳乐电动车有限公司 | A kind of direct-cooled motor for electric car |
| CN109713820A (en) * | 2018-12-24 | 2019-05-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of oil immersed type magneto |
| CN110005782A (en) * | 2019-04-17 | 2019-07-12 | 艾德斯汽车电机无锡有限公司 | Magnetic gear-shift mechanism structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705212A (en) * | 2004-05-27 | 2005-12-07 | 乐金电子(天津)电器有限公司 | Rotor having heat sink for use in commutatorless machine |
| CN203368235U (en) * | 2013-07-25 | 2013-12-25 | 顾林男 | Explosion-proof motor |
| CN203444910U (en) * | 2013-08-21 | 2014-02-19 | 武汉征原电气有限公司 | High-frequency isolation transformer |
| CN204068565U (en) * | 2014-06-30 | 2014-12-31 | 大洋电机新动力科技有限公司 | The permagnetic synchronous motor of a kind of axial-flow leaf and application thereof |
| CN204179839U (en) * | 2014-10-16 | 2015-02-25 | 上虞市曹娥电机制造有限公司 | Heat radiating type motor |
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