CN203086307U - Permanent magnet synchronous motor with ventilation structure - Google Patents
Permanent magnet synchronous motor with ventilation structure Download PDFInfo
- Publication number
- CN203086307U CN203086307U CN 201220177455 CN201220177455U CN203086307U CN 203086307 U CN203086307 U CN 203086307U CN 201220177455 CN201220177455 CN 201220177455 CN 201220177455 U CN201220177455 U CN 201220177455U CN 203086307 U CN203086307 U CN 203086307U
- Authority
- CN
- China
- Prior art keywords
- rotor
- permanent magnet
- magnet
- rotating shaft
- synchronous motor
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Provided by the utility model is a permanent magnet synchronous motor with a ventilation structure. The permanent magnet synchronous motor comprises a stator, a rotor, and an engine base. Non-magnetic conductive material baffle plates are arranged among permanent magnets along the axial direction of the rotating shaft of the rotor and are used for fixing the axial positions of the permanent magnets and enabling certain intervals to be left among the permanent magnets at the axial direction, so that ventilating ducts, at the radial direction, are formed among the separated permanent magnets at the axial direction. Radial air vents communicated with the ventilating ducts arranged among the permanent magnets are arranged at corresponding positions, below the ventilating ducts among the permanent magnets, of corresponding magnetic steel grooves and a corresponding magnetic insulation sleeve along the radial direction. The rotating shaft of the rotor is a hollow one; an axial air vent with two through ends is arranged inside the hollow rotating shaft; and multiple rows of radial air vents are arranged along the axial direction of the rotating shaft. Besides, through radial air vents are arranged on the iron core of the stator; and the positions of the radial air vents correspond to those of air vents arranged on a magnetic steel pressing plate.
Description
Technical field
The utility model relates to a kind of synchronous machine of permanent magnetic material excitation, belongs to the motor technology field.
Background technology
At present the common recognition of motor industry is that the triphase AC synchronous permanent-magnet motor machine is high and ability indexs such as smooth efficiency curve, power factor height are arranged with its efficient, is better than Y series asynchronous motor, is the main direction of electromechanics trade development from now on.And this developing direction of energy-saving efficient motor, also meet national energy-saving and emission-reduction policy, also widelyd popularize by country.But also there are problems in the triphase AC synchronous permanent-magnet motor machine.For example: there is the problem of starting torque deficiency in laminated-pole rotor; And the triphase AC synchronous permanent-magnet motor machine that adopts varying frequency starting can make the user increase the cost of buying frequency converter, and particularly old motor reconstruct also need be transformed the control power cabinet, thereby has increased added burden.Though solid rotor has solved the problem of starting torque, but the heat that exists the eddy current loss of rotor own to produce can't shed, cause the overheated problem that easily makes the magnet steel demagnetization of rotor.Application number is that 200910033329.7 patent application discloses a kind of rotor part with rotor startup cage, its at be split type magnetic pole, by the ventilation cooling duct of the setting in the rotor part, solve the rotor temperature rise problem.Also have some in addition by the method that ventilation slot solves this type of problem is set.
The utility model content
The purpose of this utility model is in order to overcome the defective of prior art, there is the problem that temperature rise is fast, operating temperature is high, magnet steel easily demagnetizes for solving permanent magnet synchronous motor, propose a kind of permagnetic synchronous motor structure that has aeration structure, further also have self-starting function.
A kind of permagnetic synchronous motor that has aeration structure comprises: stator, rotor, support; Wherein stator comprises stator coil and stator core; Rotor comprises pole core, permanent magnet, rotor shaft; Stator and support fixed installation; Described magnetic shield is coaxial with rotor shaft, and the internal diameter of magnetic shield matches with the external diameter of rotor shaft, makes magnetic shield be placed in outside the rotor shaft and with rotor shaft and fixedlys connected; Have the longitudinal flux steel tank between the described rotor magnetic pole iron core, described permanent magnet radially is embedded in the magnet steel groove;
Between stator core internal diameter and the rotor magnetic pole iron core external diameter, be heterogeneous perpendicular to the air gap in each cross section of rotor shaft.
Between stator core internal diameter and the rotor magnetic pole iron core external diameter, be uniform perpendicular to the air gap in each cross section of rotor shaft.
Along the axial direction of rotor shaft, maximum air gap place magnetic is close to be the close 0.9T-1T of being of 0.5T-0.7T, minimal air gap place magnetic between stator core internal diameter and the rotor magnetic pole iron core external diameter.
Described pole core is the split type magnetic pole that the identical shaped pole core of polylith constitutes, and described pole core is fixed on the magnetic shield.As preferably, the middle part of every pole core adopts through hole bolt and described magnetic shield to fix, and the Eight characters pin and the described magnetic shield that are the figure of eight in the both ends of the surface employing of every pole core are fixed.
Described permanent magnet passes through magnet steel pressing plate radial compaction in the magnet steel groove; The two ends of magnet steel groove are provided with the non-magnet material insulation barrier, and permanent magnet is pressed in the magnet steel groove in the axial direction.
As preferably, described magnet steel pressing plate is the swallow-tail form slot wedge.
As preferably, the arranged outside of the non-magnet material insulation barrier that is provided with at described magnet steel groove two ends has end ring, have the axial perforation of equal amount on each pole core but the vertical sulculus that does not radially connect, wherein embed the sulculus copper sheet, the sulculus copper sheet extends rotor end-face and fixes with end ring, constitutes to start mouse cage.As preferably, have 2 on each pole core and axially connect but the vertical sulculus that does not radially connect.
Described permanent magnet is made by rare-earth Nd-Fe-B permanent magnetic material.As preferably, the face that magnetizes of described permanent magnet is square.
Along rotor shaft axially, be provided with the non-magnet material baffle plate between the permanent magnet, be used for fixing the axial location of permanent magnet, and have certain intervals between the permanent magnet on making axially, form air duct diametrically between the permanent magnet that is spaced on promptly making axially; The relevant position of pairing magnet steel groove and magnetic shield below the air duct between the permanent magnet, radially offer and permanent magnet between the radial ventilation hole that connects of air duct; Described rotor shaft is a hollow rotating shaft; Described hollow rotating shaft inside offers the axial ventilation hole that two connects, along the many row's radial ventilations of axially also offering of this rotating shaft hole, the radial ventilation hole of described hollow rotating shaft rotating shaft axially on every row equidistantly distribute, every row's equal angles that makes progress in the footpath of rotating shaft distributes; The axial ventilation hole of described hollow rotating shaft communicates with its radial ventilation hole; And the radial ventilation hole of described magnetic shield is corresponding with the radial ventilation hole site of hollow rotating shaft and be connected; Also have the radial ventilation hole of perforation on the stator core, its position is corresponding with the air duct between the permanent magnet.
When having the magnet steel pressing plate and adopt aforementioned hollow rotating shaft scheme, described magnet steel pressing plate also has ventilation hole, and it is corresponding to form air duct diametrically between the permanent magnet that is spaced on axial in vent locations and the magnet steel groove; Also have the radial ventilation hole of perforation on the stator core, its position is corresponding with the vent locations of magnet steel pressing plate.
As preferably, described rotor shaft is when motor is that 200KW adopts the stainless steel hollow shaft when following, when motor adopts 45 steel or 40Cr steel hollow shaft during for 200KW-710KW.
As preferably, the magnetic shield material is an aluflex.
In two ends of rotor face both sides fan is installed respectively, and the wind direction of the fan of two ends of rotor is relative, at the stator coil both ends and above the fan of rotor both sides fan housing is housed, fan housing is fixedly connected on the support.
Have air inlet and air outlet on the support, and be coated with corresponding air inlet shutter and air outlet shutter, wherein air outlet and air outlet shutter are opened on the support in the stator core outside.
Compared with prior art, the beneficial effects of the utility model are: with air gaps, hollow shaft, magnet steel bottom cannelure and radial hole, make cooling air can be fully to the cooling of dispelling the heat of rotor and stator, make the magnet steel long-term work in lower temperature environment, thereby solved the too high easily problem of demagnetization of magnet steel that makes of Yin Wendu.The cooling air scooter in stator radial ducts exit is to 0.8-1.8m/s.Well solved the heat dissipation problem of rotor and stator.
Description of drawings
Fig. 1 is the vertical semi-section schematic diagram of the structure of the utility model permagnetic synchronous motor;
Fig. 2 is the utility model permagnetic synchronous motor and aeration structure schematic diagram;
Fig. 3 is that described permagnetic synchronous motor adopts segmental rotor structure lateral cross section generalized section;
The self-starting mouse cage schematic diagram of Fig. 4 for inlaying on the rotor;
Wherein:
(1) support, (2) stator core, (3) stator coil, (4) permanent magnet, (5) magnetic shield,
(6) air outlet shutter, (7) bearing cap, (8) end ring, (9) sulculus copper sheet,
(10) " 8 " word pin, (11) magnet steel pressing plate, (12) rotor shaft, (13) fan,
(14) fan housing, (15) end cap, (16) pole core.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail, technical problem and beneficial effect that technical solutions of the utility model solve have also been narrated simultaneously, it is to be noted, described embodiment only is intended to be convenient to understanding of the present utility model, and it is not played any qualification effect.
The utility model provides a kind of permagnetic synchronous motor that has aeration structure.Big radial air gap and axial non-homogeneous air gap; Permanent magnet is radially embedding structure; Be embedded with the startup mouse cage on the rotor; Stator adopts formed coil to be beneficial to the making of High-Voltage Insulation; Stator adopts magnetic slot-seal to eliminate the harmful effect of slot ripples; Stator has radial ducts and is beneficial to take away the heat on solid rotor surface and the heat of stator self from the cooling air that air gaps is passed through.The utility model had both solved the problem of conventional lamination armature permanent magnet motor starting difficulty, had solved the problem of conventional solid-rotor permanent-magnet motor rotor heat radiation difficulty again.Its starting torque is: 2.0-3.0 has overcome the too high easily difficult problem of demagnetization of permanent magnet that makes of temperature of rotor simultaneously.
A kind of permanent magnet synchronous motor is seen accompanying drawing 1, comprises stator, rotor, support; Wherein stator comprises stator coil and stator core (2); Rotor comprises pole core, permanent magnet (4), rotor shaft (12); Stator and support fixed installation; Described magnetic shield (5) is coaxial with rotor shaft (12), and the internal diameter of magnetic shield (5) matches with the external diameter of rotor shaft (12), makes magnetic shield (5) be placed in outside the rotor shaft (12) and with hollow rotating shaft and fixedlys connected; Have the longitudinal flux steel tank between the described rotor magnetic pole iron core, in the magnet steel groove, adjacent two magnetic pole parallel connections provide every utmost point magnetic flux to described permanent magnet (4) by magnet steel pressing plate (11) radial compaction;
Between stator core (2) internal diameter and the rotor magnetic pole iron core external diameter, be heterogeneous perpendicular to the air gap in each cross section of rotor shaft (12), (for example end face have the pole core of convex circular arc external diameter be non-homogeneous).
Perhaps, between stator core (2) internal diameter and the rotor magnetic pole iron core external diameter, be uniformly perpendicular to the air gap in each cross section of rotor shaft (12), (when for example end face has the pole core of fan-shaped circular arc external diameter for evenly).
Along the axial direction of rotor shaft (12), maximum air gap place magnetic is close to be the close 0.9T-1T of being of 0.5T-0.7T, minimal air gap place magnetic between stator core (2) internal diameter and the rotor magnetic pole iron core external diameter.
The split type magnetic pole that described magnetic pole is made of the identical shaped pole core of polylith (16), described magnetic pole is fixed on the magnetic shield (5), as preferably, the middle part of every pole core (16) adopts through hole bolt and described magnetic shield (5) fixing, adopts the Eight characters pin (10) that is the figure of eight to fix with described magnetic shield (5) in the both ends of the surface of every pole core (16).
As preferably, the both ends of the surface of described every pole core (16) are fan-shaped end face.See accompanying drawing 3.
As preferably, the both ends of the surface cylindrical of described every pole core (16) is the circular arc of radius less than this fan-shaped end face cylindrical, be the both ends of the surface of every pole core (16) circular arc that is identical evagination radially (and its center of circle is not necessarily at circle centre positions of pole core (16)), the i.e. radially non-homogeneous air gap situation of correspondence.Described permanent magnet (4) passes through magnet steel pressing plate (11) radial compaction in the magnet steel groove; The two ends of magnet steel groove are provided with the non-magnet material insulation barrier, and described permanent magnet (4) is passed through magnet steel pressing plate (11) radial compaction in the magnet steel groove;
As preferably, described magnet steel pressing plate (11) is the swallow-tail form slot wedge;
Arranged outside at this insulation barrier has end ring (8), have the axial perforation of equal amount on each pole core (16) but the vertical sulculus that does not radially connect, wherein embed sulculus copper sheet (9), sulculus copper sheet (9) extends rotor end-face and fixing with end ring (8), constitute the startup mouse cage, see accompanying drawing 3 and 4; Its grooved can be according to different numbers of poles, model are come designing and calculating to the difference that starting torque requires.
As preferably, described permanent magnet (4), good by magnetic, the high-quality rare-earth Nd-Fe-B permanent magnetic material that thermal conductivity is big is made.The face that magnetizes of described permanent magnet (4) is square, perhaps near foursquare rectangle.
As shown in Figure 2, along rotor shaft (12) axially, permanent magnet is provided with the non-magnet material baffle plate between (4), (the non-magnet material baffle plate also can be the I shape workpiece to be used for fixing the axial location of permanent magnet (4), between permanent magnet (4), form and support, its I-beam has air-vent), and have certain intervals between the permanent magnet (4) on making axially, form air duct diametrically between the permanent magnet (4) that is spaced on promptly making axially; The relevant position of pairing magnet steel groove in the below of the air duct between permanent magnet (4) and magnetic shield (5), radially offer and permanent magnet (4) between the radial ventilation hole that connects of air duct; Described rotor shaft (12) is a hollow rotating shaft; Described hollow rotating shaft inside offers the axial ventilation hole that two connects, along the many row's radial ventilations of axially also offering of this rotating shaft hole, the radial ventilation hole of described hollow rotating shaft rotating shaft axially on every row equidistantly distribute, every row's equal angles that makes progress in the footpath of rotating shaft distributes; The axial ventilation hole of described hollow rotating shaft communicates with its radial ventilation hole; And the radial ventilation hole of described magnetic shield (5) is corresponding with the radial ventilation hole site of hollow rotating shaft and be connected; Also have the radial ventilation hole of perforation on the stator core (2), its position is corresponding with the air duct between the permanent magnet (4).Stator has radial ducts and is beneficial to take away the heat on solid rotor surface and the heat of stator self from the cooling air that air gaps is passed through.The cannelure of the hole of hollow rotating shaft and magnet steel groove bottom is beneficial to the ventilation and heat of rotor by the radial hole air duct that unifies.
In two ends of rotor face both sides fan (13) is installed respectively, and the wind direction of the fan of two ends of rotor (13) is relative, be connected in the rotating shaft by key, at the stator coil both ends and in rotor both sides fans (13) top fan housing (14) be housed, fan housing (14) is bolted to connection on support; Have air inlet and air outlet on the support, and be coated with corresponding air inlet shutter and air outlet shutter (6), wherein air outlet and air outlet shutter (6) are opened on the support in stator core (2) outside.Handle by technique scheme, the cooling air scooter in stator radial ducts exit is to 0.8-1.8m/s.Well solved the heat dissipation problem of rotor and stator.
Stator adopts magnetic slot-seal, the slot ripples amplitude also is effectively suppressed, and adopts big air gap, generally gets 6-12mm, on the one hand further reduced harmonic amplitude; Also improve the ventilation condition of air gap the inside on the other hand.
With air gaps, hollow shaft, magnet steel bottom cannelure and radial hole, make cooling air can be fully to the cooling of dispelling the heat of rotor and stator, make the magnet steel long-term work in lower temperature environment, thereby solved the too high problem that magnet steel is easily demagnetized of Yin Wendu.
In conjunction with the accompanying drawings, a kind of example of permagnetic synchronous motor, each several part is described as follows:
(1) support is used for the fixing and protection of motor internal parts;
(2) stator core is used for fixing stator coil and magnetic flux;
(3) stator coil is used for producing rotating magnetic field under the "on" position;
(4) permanent magnet is used to produce main pole magnetic field, belongs to fixed excitation;
(5) magnetic shield is used to block the rotor magnetic line by rotating shaft;
(6) air outlet shutter is used to prevent that foreign material from entering motor internal;
(7) bearing cap is used for supporting and rigid bearing;
(8) end ring, (9) sulculus copper sheet is used for constituting the startup mouse cage;
(10) " 8 " word pin is used for connecting and fastening pole core and magnetic shield;
(11) magnet steel pressing plate is used for fixing magnet steel at the magnet steel groove;
(12) rotor shaft is used for transmitting torque and support rotor part;
(13) fan is used for producing heat radiation institute required airflow;
(14) fan housing is used to guide the direction that fan produces air quantity;
(15) end cap is used to connect rotor part and casing.
(16) pole core.
Annexation between above-mentioned in the present embodiment building block is:
Stator coil embeds in stator core (2) groove, fix by magnetic slot-seal, stator core (2) is fitted in the support by welding, have air inlet and air outlet on the support, and be coated with corresponding air inlet shutter and air outlet shutter (6), wherein air outlet and air outlet shutter (6) are opened on the support in stator core (2) outside, at the stator coil both ends and in two fans (13) top two fan housings (14) are housed, and fan housing (14) is fastened on the support by bolt.More than constitute stator component.Two fans (13) are connected in the rotating shaft by key, and be installed in two ends of rotor face both sides, magnetic shield (5) adds key by hot jacket and is connected on the rotor shaft (12), pole core (16) is fastened on the magnetic shield (5) by bolt and " 8 " word pin (10), pole core has a plurality of sulculuses on (16), embed sulculus copper sheet (9) and constitute the startup mouse cage with end ring (8), embed permanent magnet (4) between two pole cores (16), described permanent magnet (4) in the magnet steel groove, more than constitutes rotor part by magnet steel pressing plate (11) radial compaction.Respectively there is an end cap (15) at the support two ends, and its cylindrical puts together on the support, and its endoporus is placed bearing, and there is inside and outside back-up ring at the bearing two ends, and fan (13) is sleeved on non-shaft stretching end, and fan housing (14) is arranged on it; Rotor part packs in the stator component, is connected with end cap (15) and bearing cap (7) is housed by bearing, and end cap (15) is connected with support by seam, has constituted a motor integral body at this point.
Embodiment 1:
In order to improve the versatility of parts, shorten construction cycle and cost, serial motors described in the utility model is selected the stator punching of Y series three phase induction motor for use.Capacity is 280KW, 6KV, 6P, Y400-6 stator punching, external diameter φ 670, and internal diameter φ 465, the long L=440mm of iron core, 6 radial ducts, maximum air gap 9mm, minimal air gap 6mm, full load efficiency 94.8%, power factor are 0.96, temperature rise is 71K.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; can understand conversion and the replacement expected; all should be encompassed in of the present utility model comprising within the scope, therefore, protection range of the present utility model should be as the criterion with the protection range of claims.
Claims (10)
1. a permagnetic synchronous motor comprises: stator, rotor, support (1); Wherein stator comprises stator coil (3) and stator core (2); Rotor comprises pole core, permanent magnet (4), rotor shaft (12); Described stator and support (1) fixed installation; Described magnetic shield (5) is coaxial with rotor shaft (12), and the internal diameter of magnetic shield (5) matches with the external diameter of rotor shaft (12), makes magnetic shield (5) be placed in outside the rotor shaft (12) and with rotor shaft (12) and fixedlys connected; Described rotor magnetic pole iron core has the longitudinal flux steel tank between (16), and described permanent magnet (4) is fixed in the magnet steel groove by magnet steel pressing plate (11); It is characterized in that:
Along rotor shaft (12) axially, permanent magnet is provided with the non-magnet material baffle plate between (4), the axial location that is used for fixing permanent magnet (4), and have certain intervals between the permanent magnet (4) on making axially, form air duct diametrically between the permanent magnet (4) that is spaced on promptly making axially; The relevant position of pairing magnet steel groove in the below of the air duct between permanent magnet (4) and magnetic shield (5), radially offer and permanent magnet (4) between the radial ventilation hole that connects of air duct;
Described rotor shaft (12) is a hollow rotating shaft; Described hollow rotating shaft inside offers the axial ventilation hole that two connects, along the many row's radial ventilations of axially also offering of this rotating shaft hole, the radial ventilation hole of described hollow rotating shaft rotating shaft axially on every row equidistantly distribute, every row's equal angles that makes progress in the footpath of rotating shaft distributes; The axial ventilation hole of described hollow rotating shaft communicates with its radial ventilation hole;
And the radial ventilation hole of described magnetic shield (5) is corresponding with the radial ventilation hole site of hollow rotating shaft and be connected; Also have the radial ventilation hole of perforation on the stator core (2), its position is corresponding with the air duct between the permanent magnet (4).
2. according to the described a kind of permagnetic synchronous motor of claim 1, it is characterized in that described pole core is the split type magnetic pole that the identical shaped pole core of polylith (16) constitutes, described pole core (16) is fixed on the magnetic shield (5).
3. according to the described a kind of permagnetic synchronous motor of claim 2, it is characterized in that, the middle part of every pole core (16) adopts through hole bolt and described magnetic shield (5) fixing, adopts the Eight characters pin and the described magnetic shield (5) that are the figure of eight to fix in the both ends of the surface of every pole core (16).
4. according to the described a kind of permagnetic synchronous motor of claim 1, it is characterized in that described permanent magnet (4) passes through magnet steel pressing plate (11) radial compaction in the magnet steel groove; The two ends of magnet steel groove are provided with the non-magnet material insulation barrier, and permanent magnet (4) is pressed in the magnet steel groove in the axial direction.
5. according to the described a kind of permagnetic synchronous motor of claim 1, it is characterized in that described magnet steel pressing plate (11) is the swallow-tail form slot wedge.
6. according to the described a kind of permagnetic synchronous motor of claim 4, it is characterized in that, the arranged outside of the non-magnet material insulation barrier that is provided with at described magnet steel groove two ends has end ring (8), have the axial perforation of equal amount on each pole core (16) but the vertical sulculus that does not radially connect, wherein embed sulculus copper sheet (9), sulculus copper sheet (9) extends rotor end-face and fixing with end ring (8), constitutes to start mouse cage.
7. according to the described a kind of permagnetic synchronous motor of claim 4, it is characterized in that described magnet steel pressing plate (11) has ventilation hole, in vent locations and the magnet steel groove axially on to form air duct diametrically between the permanent magnet (4) that is spaced corresponding; Also have the radial ventilation hole of perforation on the stator core (2), its position is corresponding with the vent locations of magnet steel pressing plate (11).
8. according to the described a kind of permagnetic synchronous motor of claim 1, it is characterized in that, in two ends of rotor face both sides fan (13) is installed respectively, and the wind direction of the fan of two ends of rotor (13) is relative, at stator coil (3) both ends and in rotor both sides fans (13) top fan housing (14) is housed, fan housing (14) is fixedly connected on the support (1).
9. according to the described a kind of permagnetic synchronous motor of claim 1, it is characterized in that, support has air inlet and air outlet on (1), and be coated with corresponding air inlet shutter and air outlet shutter (6), wherein air outlet and air outlet shutter (6) are opened on the support (1) in stator core (2) outside.
10. according to the described a kind of permagnetic synchronous motor of claim 1, it is characterized in that the described non-magnet material baffle plate that is used to separate permanent magnet is the I shape workpiece, between permanent magnet (4), form and support that its I-beam has air-vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220177455 CN203086307U (en) | 2012-04-25 | 2012-04-25 | Permanent magnet synchronous motor with ventilation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220177455 CN203086307U (en) | 2012-04-25 | 2012-04-25 | Permanent magnet synchronous motor with ventilation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086307U true CN203086307U (en) | 2013-07-24 |
Family
ID=48832110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220177455 Expired - Lifetime CN203086307U (en) | 2012-04-25 | 2012-04-25 | Permanent magnet synchronous motor with ventilation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086307U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441613A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-speed motor |
| CN103701238A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Self-circulating heat dissipating device of 5MW doubly-fed air-cooled and water-cooled wind generator |
| CN105245046A (en) * | 2015-10-26 | 2016-01-13 | 王石柱 | High speed motor rotor structure and processing technology |
| CN105553149A (en) * | 2016-03-09 | 2016-05-04 | 胡改清 | Dual-increase and dual-decrease motor and generator with hollow mandrel variable-magnetism structure |
| AT517967A4 (en) * | 2016-02-24 | 2017-06-15 | Traktionssysteme Austria Gmbh | Air-cooled electric machine |
| WO2018054225A1 (en) * | 2016-09-20 | 2018-03-29 | 北京交通大学 | Cooling device for reducing temperature of permanent magnet in permanent magnet motor |
| CN108880106A (en) * | 2018-07-30 | 2018-11-23 | 山东冬瑞高新技术开发有限公司 | A kind of motor with air-cooling apparatus |
| CN109167451A (en) * | 2018-09-21 | 2019-01-08 | 薛春红 | A kind of motor with rotor temperature equalization cooling device |
| CN110474485A (en) * | 2019-07-17 | 2019-11-19 | 南京师范大学 | A kind of high-speed motor cooling system |
| CN111009980A (en) * | 2018-10-08 | 2020-04-14 | 东元电机股份有限公司 | Rotor structure with external airflow generating element |
| CN111211626A (en) * | 2020-01-20 | 2020-05-29 | 哈尔滨理工大学 | High-speed permanent magnet motor with circumferential radial pulse vibration and magnetic assistance matched with multi-path air cooling |
| CN112803634A (en) * | 2021-01-04 | 2021-05-14 | 擎能动力科技(苏州)有限公司 | Ultrahigh-speed motor, electric air compressor and new energy automobile |
| US20220329132A1 (en) * | 2021-04-12 | 2022-10-13 | Infinitum Electric, Inc. | System, method and apparatus for direct liquid-cooled axial flux electric machine with pcb stator |
| CN106816974B (en) * | 2017-02-27 | 2023-03-21 | 百恒石油装备有限公司 | High slip frequency-variable speed-regulating motor for driving beam-pumping unit |
-
2012
- 2012-04-25 CN CN 201220177455 patent/CN203086307U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441613A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-speed motor |
| CN103701238A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Self-circulating heat dissipating device of 5MW doubly-fed air-cooled and water-cooled wind generator |
| CN105245046A (en) * | 2015-10-26 | 2016-01-13 | 王石柱 | High speed motor rotor structure and processing technology |
| AT517967A4 (en) * | 2016-02-24 | 2017-06-15 | Traktionssysteme Austria Gmbh | Air-cooled electric machine |
| AT517967B1 (en) * | 2016-02-24 | 2017-06-15 | Traktionssysteme Austria Gmbh | Air-cooled electric machine |
| CN105553149A (en) * | 2016-03-09 | 2016-05-04 | 胡改清 | Dual-increase and dual-decrease motor and generator with hollow mandrel variable-magnetism structure |
| CN105553149B (en) * | 2016-03-09 | 2018-11-02 | 胡改清 | Hollow core shaft becomes the double down motor of the double increasings of magnetic structure and generator |
| RU2728758C1 (en) * | 2016-09-20 | 2020-07-31 | Бейджинг Цзяотун Юниверсити | Cooling device for reducing temperature of permanent magnet in motor with permanent magnets |
| WO2018054225A1 (en) * | 2016-09-20 | 2018-03-29 | 北京交通大学 | Cooling device for reducing temperature of permanent magnet in permanent magnet motor |
| CN106816974B (en) * | 2017-02-27 | 2023-03-21 | 百恒石油装备有限公司 | High slip frequency-variable speed-regulating motor for driving beam-pumping unit |
| CN108880106A (en) * | 2018-07-30 | 2018-11-23 | 山东冬瑞高新技术开发有限公司 | A kind of motor with air-cooling apparatus |
| CN109167451A (en) * | 2018-09-21 | 2019-01-08 | 薛春红 | A kind of motor with rotor temperature equalization cooling device |
| CN111009980B (en) * | 2018-10-08 | 2020-11-10 | 东元电机股份有限公司 | Rotor structure with external airflow generating element |
| CN111009980A (en) * | 2018-10-08 | 2020-04-14 | 东元电机股份有限公司 | Rotor structure with external airflow generating element |
| CN110474485A (en) * | 2019-07-17 | 2019-11-19 | 南京师范大学 | A kind of high-speed motor cooling system |
| CN111211626A (en) * | 2020-01-20 | 2020-05-29 | 哈尔滨理工大学 | High-speed permanent magnet motor with circumferential radial pulse vibration and magnetic assistance matched with multi-path air cooling |
| CN111211626B (en) * | 2020-01-20 | 2020-09-01 | 哈尔滨理工大学 | High-speed permanent magnet motor with circumferential radial pulse vibration and magnetic assistance matched with multi-path air cooling |
| CN112803634A (en) * | 2021-01-04 | 2021-05-14 | 擎能动力科技(苏州)有限公司 | Ultrahigh-speed motor, electric air compressor and new energy automobile |
| US20220329132A1 (en) * | 2021-04-12 | 2022-10-13 | Infinitum Electric, Inc. | System, method and apparatus for direct liquid-cooled axial flux electric machine with pcb stator |
| US11482908B1 (en) * | 2021-04-12 | 2022-10-25 | Infinitum Electric, Inc. | System, method and apparatus for direct liquid-cooled axial flux electric machine with PCB stator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203086307U (en) | Permanent magnet synchronous motor with ventilation structure | |
| CN102723834A (en) | Permanent magnet synchronous motor | |
| CN203261215U (en) | Semi-magnetic sheet type asynchronously-started rotor of permanent-magnet synchronous motor | |
| EP2372881A3 (en) | Permanent magnetic rotating electric machine and wind power generating system | |
| CN102290922A (en) | Double-fed wind generator | |
| US20110260466A1 (en) | Permanent magnet type rotary electric machine | |
| CN103236771A (en) | Asynchronous starting rotor of half-magnetic-sheet permanent-magnetic synchronous motor | |
| CN104795909A (en) | High-speed electric machine electromagnetism structure for air compressor | |
| CN103580428A (en) | Half-magnetic-sheet outer-rotor type asynchronous starting permanent-magnet synchronous motor | |
| CN101557150A (en) | Permanent magnet synchronous direct-drive wind power generator without iron core | |
| CN101741198B (en) | Forced air cooling high-frequency permanent-magnetism synchronous motor with high power density | |
| CN112688522A (en) | High-power-density axial magnetic field permanent magnet motor structure | |
| CN202586689U (en) | Permanent magnet synchronous motor | |
| CN104113173A (en) | Double-stator single-winding vernier permanent magnet motor | |
| CN202183693U (en) | Double-fed wind driven generator | |
| CN204858923U (en) | A directly drive formula permanent magnetism AC servo motor for forging press | |
| CN204517610U (en) | A kind of Hybrid Excitation Switched Reluctance Motor and stator structure thereof | |
| CN117081280A (en) | Stator assembly and motor | |
| CN103124127A (en) | Shafting-free outer rotor permanent-magnet synchronous motor with stator water-cooling structure | |
| CN101060258A (en) | A transverse flux permanent magnet wind generator | |
| CN114421654B (en) | Transverse magnetic flux C-type embedded stator permanent magnet brushless wind driven generator | |
| CN104753280A (en) | Hybrid excitation switched reluctance motor and stator structure thereof | |
| CN105762955B (en) | A kind of circular winding groove type hydraulic generator stator for being beneficial to radiating | |
| CN103401357B (en) | 60MW brushless excitation steam turbine generator | |
| CN113629903A (en) | High-speed permanent magnet motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: Victory Street 030009 Shanxi Xinghualing district city of Taiyuan province No. 101 building 118 layer 1 Patentee after: Shanxi Beifang machine Holding Co., Ltd. Address before: 030009 Shengli Street, Shanxi, Taiyuan, No. 101 Patentee before: Shanxi North Machine-building Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |