CN104734422A - Novel permanent magnet motor - Google Patents
Novel permanent magnet motor Download PDFInfo
- Publication number
- CN104734422A CN104734422A CN201510190059.6A CN201510190059A CN104734422A CN 104734422 A CN104734422 A CN 104734422A CN 201510190059 A CN201510190059 A CN 201510190059A CN 104734422 A CN104734422 A CN 104734422A
- Authority
- CN
- China
- Prior art keywords
- magnet
- rotating shaft
- rotor
- stator
- novel permanent
- 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.)
- Granted
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a novel permanent magnet motor. The novel permanent magnet motor comprises a stator and a rotor, wherein the stator comprises a seat and an iron core; the iron core is fixed on the inner wall of the seat through a hot sleeve; a winding is arranged on the iron core; a spiral water groove is formed in the seat of the stator; cooling water is fed in the spiral water groove; two ends of the seat are connected with end caps through bolts and spigots; the rotor comprises a rotating shaft and a magnet; the rotating shaft is made of a permeability magnetic material; the magnet is inlaid in the surface of the rotating shaft; a protecting jacket which is made of a non-magnet-conductible material sleeves the magnet; end pressure plates which are made of non-magnet-conductible materials are fixed on two sides of the rotating shaft; the end pressure plate on one side of the rotating shaft is a plate with a smooth surface; and the end pressure plate on the other side of the rotating shaft is provided with a plurality of fan blades. The stator is cooled down by an enhanced seat cooling mode, the rotor is cooled down by an open type axial air-cooling mode, the motor runs in a permissible temperature rising range, the cooling performance of the motor is enhanced obviously, and the running performance and the reliability of the motor are improved.
Description
Technical field
The invention belongs to technical field of motors, be specifically related to the high-speed permanent magnet motor of a kind of compact conformation, high power density.
Background technology
Magneto because of generate heat little, efficiency is high is used widely.In general magneto, rotor does not produce copper loss, and iron loss is also negligible, and rotor loss, close to zero, often adopts simple, single support water-cooled or air cooling way cooling motor stator, and does not consider rotor cooling problem.
When Design of PM Motor is run at the high speed conditions that power density is higher, high frequency magnetic field produces a large amount of iron loss on rotor, stator heating also can increase, do not consider that the simple type of cooling of rotor heating can not meet motor and run needs, motor especially temperature of rotor sharply raises, and can cause the ill effects such as magnet loss of excitation, bearing and stator insulation service life reduction.
Summary of the invention
The present invention in order to overcome the shortcoming and defect of prior art, propose a kind of compact conformation, power density high be specially adapted to the magneto that high speed conditions runs.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Novel permanent-magnet motor, comprise stators and rotators, described stator is comprised support and is fixed on the iron core of inboard wall of base by hot jacket, iron core is provided with winding, spiral tank is had in out frame, interior logical cooling water, the two ends of support are connected with end cap by bolt and seam, described rotor comprises the rotating shaft adopting permeability magnetic material and the magnet being embedded in rotating shaft surface, magnet overcoat has the sheath adopting non-magnet_conductible material, the both sides of rotating shaft are fixed with the end clamp plate adopting 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.
Described a kind of Novel permanent-magnet motor, is perfused with high conduction heat sealable glue between the end of its winding and support.
Described a kind of Novel permanent-magnet motor, its iron core is provided with the wire casing tilted along rotor direction of rotation, and described winding embeds described wire casing, and the notch of described wire casing leaves larger space to form the attached groove that ventilates.
Described a kind of Novel permanent-magnet motor, its end cap has some ventilation holes.
Described a kind of Novel permanent-magnet motor, its end clamp plate is by cold pressing or hot jacket is fixed on rotating shaft.
The invention has the beneficial effects as follows: adopt the type of cooling strengthening support water-cooled to cool stator, the axial air-cooled type of cooling of open type is adopted to carry out cooled rotor, compared with the magneto of the simple type of cooling of existing employing, the present invention makes motor run in the limit of temperature rise allowed, and significantly strengthens the cooling performance of motor, improve runnability and the reliability of motor, reduce size, the weight of motor, make electric machine structure compacter, power density is higher, exploitativeness is good, with low cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present 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 present invention.
Each Reference numeral is: 1-stator, 1.1-end cap, 1.2-support, 1.3-winding, 1.4-iron core, 1.5-fluid sealant, 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-magnet.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to Fig. 1, shown in Fig. 2 and Fig. 3, as the first embodiment of the present invention, disclose a kind of Novel permanent-magnet motor, comprise stator 1 and rotor 2, described stator 1 is comprised support 1.2 and is fixed on the iron core 1.4 of support 1.2 inwall by hot jacket, iron core 1.4 is provided with winding 1.3, spiral tank is had in out frame 1.2, interior logical cooling water, owing to adopting hot jacket compact siro spinning technology between support 1.2 and iron core 1.4, the middle heat of stator 1 effectively can be delivered to cooling water, the two ends of support 1.2 are connected with end cap 1.1 by bolt and seam, described rotor 2 comprises the rotating shaft 2.1 adopting permeability magnetic material and the magnet 2.4 being embedded in rotating shaft 2.1 surface, magnet 2.4 overcoat has the sheath 2.3 adopting non-magnet_conductible material, such sheath 2.3 is positioned at rotor 2 outermost, fixed magnets 2.4 also forms smooth surface, the both sides of rotating shaft 2.1 are fixed with the end clamp plate 2.2 adopting non-magnet_conductible material, the end clamp plate 2.2 of side is for having the plate body 2.2.2 of smooth surface, the end clamp plate 2.2 of opposite side is provided with multiple fan blades 2.2.1, multiple fan blades 2.2.1 forms the laminated structure of similar fan, when such rotor 2 rotates, the end clamp plate 2.2 of this side forms the surface of axial cooling air duct for cooled rotor 2 in the attached groove of iron core 1.4.
As the second embodiment of the present invention, be with the difference of the first embodiment, high conduction heat sealable glue 1.5 is perfused with between the end of winding 1.3 and support 1.2, the heat of such winding 1.3 end can directly import support 1.2 by the mode of conduction and be taken away by cooling water, substantially increase the cooling effect of stator 1 especially stator 1 End winding 1.3, magneto can design higher heat load parameter.
As the third embodiment of the present invention, be with the difference of the first embodiment, iron core 1.4 is provided with the wire casing tilted along rotor 2 direction of rotation, described winding 1.3 embeds described wire casing, the notch of described wire casing leaves larger space to form the attached groove that ventilates, described end cap 1.1 has some ventilation holes, as cooling air import and outlet, ventilation hole and the attached groove that ventilates form the axial cooling air duct of open type under the effect of fan-shaped end clamp plate 2.2, when not increasing other cooling-parts, define axial cooling air duct, technique is simple, with low cost, energy effective cooling rotor, improve motor performance and safety in operation.
In addition, as a kind of concrete execution mode, described end clamp plate 2.2, by cold pressing or hot jacket is fixed in rotating shaft 2.1, can choose at random as required, improves the convenience of installing.
The present invention strengthens stator cooling effect by adopting the mode of 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 effective cooling rotor with fan effect is installed, comprehensive reinforcement of rotor cooling performance, every design parameter of magneto can be increased substantially, effectively reduce magneto volume, alleviate magneto weight, increase magneto power density.Can be used for the product of other similar applications, there is important economic benefit and social benefit.
Above-described embodiment is illustrative principle of the present invention and effect thereof only; and the embodiment that part is used, for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. a Novel permanent-magnet motor, comprise stator (1) and rotor (2), it is characterized in that: described stator (1) is comprised support (1.2) and is fixed on the iron core (1.4) of support (1.2) inwall by hot jacket, iron core (1.4) is provided with winding (1.3), out frame has spiral tank in (1.2), interior logical cooling water, the two ends of support (1.2) are connected with end cap (1.1) by bolt and seam, described rotor (2) comprises the magnet (2.4) adopting the rotating shaft (2.1) of permeability magnetic material and be embedded in rotating shaft (2.1) surface, magnet (2.4) overcoat has the sheath (2.3) adopting non-magnet_conductible material, the both sides of rotating shaft (2.1) are fixed with the end clamp plate (2.2) adopting non-magnet_conductible material, the end clamp plate (2.2) of side is for having the plate body (2.2.2) of smooth surface, the end clamp plate (2.2) of opposite side is provided with multiple fan blades (2.2.1).
2. a kind of Novel permanent-magnet motor according to claim 1, is characterized in that, is perfused with high conduction heat sealable glue (1.5) between the end of described winding (1.3) and support (1.2).
3. a kind of Novel permanent-magnet motor according to claim 1, it is characterized in that, described iron core (1.4) is provided with the wire casing tilted along rotor (2) direction of rotation, and described winding (1.3) embeds described wire casing, and the notch of described wire casing leaves larger space to form the attached groove that ventilates.
4. a kind of Novel permanent-magnet motor according to claim 1 or 2 or 3, is characterized in that, described end cap (1.1) has some ventilation holes.
5. a kind of Novel permanent-magnet motor according to claim 4, is characterized in that, described end clamp plate (2.2) is by cold pressing or hot jacket is fixed in rotating shaft (2.1).
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104734422A true CN104734422A (en) | 2015-06-24 |
| CN104734422B CN104734422B (en) | 2017-06-23 |
Family
ID=53457983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190059.6A Active CN104734422B (en) | 2015-04-21 | 2015-04-21 | A kind of novel permanent-magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104734422B (en) |
Cited By (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 |
| 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 |
| 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 |
| 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 |
Citations (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 |
-
2015
- 2015-04-21 CN CN201510190059.6A patent/CN104734422B/en active Active
Patent Citations (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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104734422B (en) | 2017-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104734422A (en) | Novel permanent magnet motor | |
| CN107147260A (en) | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure | |
| CN208986739U (en) | Disc type electric machine | |
| CN203086307U (en) | Permanent magnet synchronous motor with ventilation structure | |
| CN202918134U (en) | Compressor/ high speed permanent magnet motor system | |
| CN103580383A (en) | Air-water-hybrid cooled high-speed permanent magnet motor with rotor under hybrid protection | |
| CN102983679A (en) | In-slot self-cooling high-speed permanent magnetic motor system for compressor | |
| BR112012015262B1 (en) | ROTOR, ELECTRIC MOTOR, CENTRIFUGAL PUMP ARRANGEMENT AND METHOD TO PRODUCE A ROTOR OR ELECTRIC MOTOR | |
| CN103441612A (en) | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan | |
| CN202997726U (en) | Stator fanning strip ventilation duct plate and stator core ventilation duct plate | |
| CN204992842U (en) | Permanent -magnet machine rotor sheath | |
| JP6469964B2 (en) | Permanent magnet rotating electric machine | |
| WO2011094909A1 (en) | Heat dissipation device for high power vertical axis wind generator | |
| CN102104297B (en) | Internal circulation oil-cooled permanent-magnet direct-current motor | |
| CN112383191B (en) | Self-fan cold axial flux motor with external centrifugal fan | |
| CN107196474A (en) | A kind of five phase disc type amorphous magnetoes | |
| CN202183693U (en) | Double-fed wind driven generator | |
| CN204517610U (en) | A kind of Hybrid Excitation Switched Reluctance Motor and stator structure thereof | |
| CN107947417A (en) | A kind of heat-dissipating structure of motor stator | |
| CN201928145U (en) | Internal-circulation oil-cooled permanent magnet direct-current (DC) motor | |
| CN211859753U (en) | High-efficiency permanent magnet motor | |
| CN204376666U (en) | Permanent-magnet synchronous submersible electric motor | |
| CN103124127A (en) | Shafting-free outer rotor permanent-magnet synchronous motor with stator water-cooling structure | |
| CN206834933U (en) | A kind of switch reluctance machine rotor with fan leaf | |
| Zhang et al. | Thermal Design of Air-Cooled YASA AFPM Motor with Heat Pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |