CN109474150B - Three-phase asynchronous motor - Google Patents
Three-phase asynchronous motor Download PDFInfo
- Publication number
- CN109474150B CN109474150B CN201811629349.6A CN201811629349A CN109474150B CN 109474150 B CN109474150 B CN 109474150B CN 201811629349 A CN201811629349 A CN 201811629349A CN 109474150 B CN109474150 B CN 109474150B
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- bracket
- core
- support
- 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.)
- Active
Links
- 210000000614 Ribs Anatomy 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000000875 corresponding Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000011324 bead Substances 0.000 description 2
- 230000002457 bidirectional Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004301 light adaptation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000003014 reinforcing Effects 0.000 description 1
- 239000002965 rope Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- 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
- H02K1/16—Stator cores with slots for windings
-
- 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
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/003—Structural associations of slip-rings
-
- 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
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor
Abstract
The invention discloses a three-phase asynchronous motor, which can provide mechanical power of more than 8000KW at the rotating speed of 400r/min by the specific structural design of a stator, a rotor and a slip ring bracket and the cooperation of the stator, the rotor and the slip ring bracket, has the maximum torque multiple of 3.0 times, has extremely strong overload capacity, can bear the axial thrust of about 8 tons as a whole, and has attractive integral structure and convenient maintenance because the slip ring is arranged on a motor end cover.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a three-phase asynchronous motor.
Background
A three-phase asynchronous motor is a type of induction motor, and is a type of motor that is powered by a three-phase alternating current (phase difference of 120 degrees) of 10kV being simultaneously applied, and is called a three-phase asynchronous motor because a rotor and a stator of the three-phase asynchronous motor rotate at the same direction and different rotation speeds and have slip ratios. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion.
Under the condition that the volume of the three-phase asynchronous motor is not changed, the lower the rotating speed is, the smaller the relative output power is, the output of high power cannot be completed due to the integral strength requirement of the motor and the limitation that the shaft extension end bears bidirectional thrust, and the requirement of the motor in a steel crushing line is difficult to meet.
Therefore, how to improve the structure of the existing three-phase asynchronous motor to realize high-power output thereof becomes a problem to be solved urgently.
Disclosure of Invention
In view of this, the invention provides a three-phase asynchronous motor, which at least solves the problem that the existing three-phase asynchronous motor cannot complete high-power output due to the integral strength requirement of the motor and the limitation of bidirectional thrust borne by a shaft extension end.
The technical scheme provided by the invention is specifically divided into a three-phase asynchronous motor, wherein the motor comprises a stator 1, an end cover 3, a rotor 2, a slip ring assembly 4 and a cooler 5;
the stator 1 includes: the motor comprises a base 11, a stator core 12, a stator coil 13 and a wind shield 14;
the stator core 12 is formed by accumulating a plurality of stator laminations, the plurality of stator laminations are sequentially stacked in the base 11 and fixedly installed through a tensioning screw and a pressing ring on one side, and a notch is formed in the inner side of the stator core 12;
the stator coil 13 penetrates into a notch of the stator core 12, and the end part is fixed through a coil bracket;
the wind shield 14 is provided with through holes at intervals along the circumferential direction, and the wind shield 14 is sleeved outside the coil bracket through the through holes and embedded in a circular ring formed by the end parts of the stator coils 13;
the end covers 3 are mounted at two ends of the base 11 in a sealing manner, and bearings are arranged in the end covers 3;
the rotor 2 is installed in the stator 1 with an air gap left therebetween, and the rotor 2 includes: a rotating shaft 21, a rotor bracket 22, a rotor iron core 23, a dovetail rib and a rotor coil 25;
two ends of the rotating shaft 21 are respectively arranged in the bearings of the end covers 3;
the rotor bracket 22 is fixedly sleeved outside the rotating shaft 21;
the rotor core 23 is fixedly sleeved outside the rotor support 22, the rotor core 23 is formed by accumulating a plurality of rotor sheets, two sides of the rotor core are fixed by a rotor pressing ring 231 and a screw, a notch is formed in the outer side of the rotor core 23, a dovetail groove is formed in the inner side of the rotor core 23, and a support extending outwards along the axial direction is arranged on the outer side of the rotor pressing ring 231;
the dove tail rib is positioned between the bracket 22 and the rotor core 23, one end of the dove tail rib is fixedly connected with the bracket 22, and the other end of the dove tail rib is embedded in a dovetail groove of the rotor core 23 in a matched manner and is fixed through an inclined key;
the rotor coil 25 penetrates through the notch of the rotor core 23, and the end of the rotor coil 25 is positioned on the bracket of the rotor pressing ring 231 and fixedly connected with the bracket;
the slip ring assembly 4 is mounted on the outer surface of the end cover 3 through a slip ring support 41, and the slip ring support 41 is of a claw-type structure;
the cooler 5 is arranged above the stator 1, and an air outlet of the cooler is communicated with an air inlet of a base 11 in the stator 1.
Preferably, the rotating shaft 21 in the rotor 2 is made of 42CrMo forged steel.
Further preferably, the rotor support 22 in the rotor 2 is integrally cylindrical, and a through hole 221 penetrating through two ends is formed in the rotor support 22, transverse ribs 222 are arranged on the outer side face of the rotor support 22 at intervals in the circumferential direction of the rotor support 22, spokes 223 are arranged on the rotor support 22 at intervals in the axial direction, radial round holes 2221 are formed in each transverse rib 222, and axial waist-shaped holes 2231 are formed in each spoke 223.
Further preferably, a plurality of connecting blocks 224 are further disposed on the rotor support 22, the connecting blocks 224 correspond to the transverse ribs 222 one to one, and each connecting block 224 is disposed along the corresponding transverse rib 222 and fixedly welded to the corresponding transverse rib 222 and the adjacent spoke 223.
Further preferably, the outer edge of the rotor pressing ring 231 is provided with tooth-shaped grooves 2311 at intervals along the circumferential direction.
The three-phase asynchronous motor provided by the invention can provide mechanical power of more than 8000KW at the rotating speed of 400r/min through the specific structural design of the stator, the rotor and the slip ring bracket and the cooperation of the stator, the rotor and the slip ring bracket, has the maximum torque multiple of 3.0 times, has extremely strong overload capacity, can bear the axial thrust of about 8 tons as a whole, and has an attractive integral structure and is convenient to maintain because the slip ring is arranged on the end cover of the motor.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a three-phase asynchronous motor according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a stator in a three-phase asynchronous motor according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a rotor in a three-phase asynchronous motor according to an embodiment of the present disclosure;
fig. 4 and 5 are schematic structural diagrams of a rotor support in a three-phase asynchronous motor according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a rotor clamping ring in a three-phase asynchronous motor according to an embodiment of the present disclosure;
fig. 7 and 8 are schematic structural diagrams of a slip ring bracket in a three-phase asynchronous motor according to an embodiment of the disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In view of the restriction that current three-phase asynchronous machine, the end that receives two-way thrust by the motor bulk strength requirement and the axle stretches, can't accomplish the problem of powerful output, this embodiment provides a neotype three-phase asynchronous machine structure, specifically as follows: referring to fig. 1, the motor is mainly composed of a stator 1, an end cover 3, a rotor 2, a slip ring assembly 4, and a cooler 5. Referring to fig. 2, the stator 1 is mainly composed of a base 11, a stator core 12, a stator coil 13 and a wind shield 14, wherein the base 11 is used for ensuring the mechanical strength of the motor, the stator core 12 adopts an internal press-fitting structure, the end part of the stator coil is tied tightly by a spacer binding rope, and the end part is reinforced by an insulated end hoop, specifically, the base 11 supports the stator and the rotor, isolates the internal noise of the motor, and establishes the wind path. The stator core 12 is formed by accumulating a plurality of stator punching sheets, the stator punching sheets are sequentially stacked in the base 11 and fixedly installed through a tension screw and a pressing ring on one side, a notch is formed in the inner side of the stator core 12, the stator coil 13 penetrates into the notch of the stator core 12, the end part of the stator core is fixed through a coil support, through holes are formed in the wind shield 14 at intervals along the circumferential direction, and the wind shield 14 is sleeved outside the coil support through the through holes and embedded in a circular ring formed by the end part of the stator coil 13; wherein, the deep bead 14 is formed by 2 parts concatenation, and the surface through-hole is convenient for drawing forth of stator coil support, and stator coil wiring can be settled in the support upper end deep bead outside, and the frame volume has effectually been reduced to this kind of structure, and the cooler of being convenient for simultaneously takes the fan to construct inside wind path outward, and the design can maximum reinforcing frame intensity like this, satisfies axial thrust requirement.
Referring to fig. 1, the end caps 3 are mounted at two ends of the base 11 in a sealing manner, and bearings are arranged in the end caps 3, the bearings are end cap type sliding bearings with a type a thrust surfaces (i.e. thrust pads with spring supports), the bearings are arranged in two directions of the shaft extension end, and the bearings are composed of 24 independent cylindrical alloy thrust pads, can bear thrust from a load shaft to 8 tons, and can bear the downward gravity of a rotor.
Referring to fig. 1, a rotor 2 is installed in a stator 1 with an air gap left therebetween, referring to fig. 3, the rotor 2 mainly comprises a rotating shaft 21, a rotor bracket 22, a rotor core 23, dovetail ribs and a rotor coil 25, two ends of the rotating shaft 21 are respectively installed in bearings of an end cover 3, the rotor bracket 22 is fixedly sleeved outside the rotating shaft 21, the rotor core 23 is fixedly sleeved outside the rotor bracket 22, the rotor core 23 is formed by accumulating a plurality of rotor sheets, two sides of the rotor core are fixed by a rotor clamping ring 231 and a screw rod, a notch is arranged outside the rotor core 23, a dovetail groove is arranged inside the rotor core 23, a bracket extending outwards along the axial direction is arranged outside the rotor clamping ring 231, the dovetail ribs are located between the bracket 22 and the rotor core 23, one end of the dovetail ribs is fixedly connected with the bracket 22, the other end is embedded in the dovetail groove of the rotor core 23 in a matching manner and fixed by an oblique, the rotor coil 25 penetrates the notch of the rotor core 23, and the end of the rotor coil 25 is located on the bracket of the rotor pressing ring 231 and fixedly connected with the bracket.
The rotating shaft 21 is made of 42CrMo forged steel, so that the basic supporting strength of the rotor is ensured, the critical rotating speed and the deflection are designed within the range of safety standards, the adverse conditions of bending, deformation and the like of the rotating shaft are avoided, and the huge volume of the motor due to large capacity can be met.
Referring to fig. 6, the rotor pressing ring 231 is of a finger pressing type structure, 168 grooves are tightly combined with the surface of the iron core, tooth parts of the rotor iron core are prevented from being bounced, the improvement of the overall strength and the bearing thrust of the motor is greatly facilitated, tooth-shaped grooves 2311 are machined at intervals along the circumferential direction of the outer edge of the rotor pressing ring 231 by adopting a special process, the pressing strength of the rotor punching sheets after being stacked is guaranteed, a support is specially arranged on the rotor pressing ring, the end part of the rotor coil is placed on the support, the end part and the wiring part of the rotor coil after being led out of the iron core are conveniently supported, and the supporting.
Referring to fig. 4 and 5, the rotor support 22 in the rotor 2 is integrally cylindrical, a through hole 221 penetrating through two ends is formed in the rotor support, transverse ribs 222 are arranged on the outer side surface of the rotor support 22 at intervals along the circumferential direction of the rotor support 22, spokes 223 are arranged on the rotor support 22 at intervals along the axial direction, radial round holes 2221 are formed in each transverse rib 222, axial waist-shaped holes 2231 are formed in each spoke 223, and through the arrangement of the radial round holes and the axial waist-shaped holes, on one hand, the internal ventilation and cooling of the motor are facilitated, and on the other hand, the overall strength can be guaranteed.
In order to fix the dovetail rib, referring to fig. 4 and 5, a plurality of connecting blocks 224 are further arranged on the rotor support 22, the connecting blocks 224 correspond to the transverse ribs 222 one to one, each connecting block 224 is arranged along the corresponding transverse rib 222, the corresponding transverse rib 222 and the adjacent spoke 223 are fixedly welded, and the dovetail rib is connected with the connecting blocks to fix the rotor support.
Referring to fig. 1, for convenience of installation and maintenance, a slip ring assembly 4 is arranged on an end cover 3 of a base, when in design, the weight of the slip ring assembly needs to be ensured, and simultaneously, the slip ring assembly also needs to bear thrust, and a sliding bearing oil circuit of a seat type end cover is complex, leading-out pipelines are more, meanwhile, the end cover is of a split structure, and an integral connection path of the slip ring is cut off, referring to fig. 6 and 7, a slip ring bracket 41 is determined to be distributed along the circle center by adopting 9 diagonal vertical ribs 411 through modeling analysis, one end of the slip ring bracket is fixedly connected with an annular base plate 412, the other end of the slip ring bracket is fixedly connected with arc-shaped connecting plates 413 which are correspondingly arranged at intervals and is of a claw-type structure, the discontinuous arc-shaped connecting plates avoid interference parts of the end cover, the thrust and the gravity of the slip ring are ensured to be borne, the, and constructing an inner and outer air passage.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (3)
1. A three-phase asynchronous motor is characterized by comprising a stator (1), an end cover (3), a rotor (2), a slip ring assembly (4) and a cooler (5);
the stator (1) comprises: the motor comprises a base (11), a stator iron core (12), a stator coil (13) and a wind shield (14);
the stator core (12) is formed by accumulating a plurality of stator punching sheets, the stator punching sheets are sequentially stacked in the base (11) and fixedly installed with a pressing ring on one side through a tensioning screw, and a notch is formed in the inner side of the stator core (12);
the stator coil (13) penetrates into a notch of the stator core (12), and the end part of the stator coil is fixed through a coil bracket;
the wind shield (14) is provided with through holes at intervals along the circumferential direction, and the wind shield (14) is sleeved outside the coil bracket through the through holes and embedded in a circular ring formed by the end parts of the stator coils (13); the wind shield (14) is formed by splicing 2 parts, and the wiring of the stator coil (13) is arranged on the outer side of the wind shield at the upper end of the bracket;
the end covers (3) are mounted at two ends of the base (11) in a plugging manner, and bearings are arranged in the end covers (3);
the rotor (2) is installed in the stator (1) and an air gap is reserved between the rotor and the stator, and the rotor (2) comprises: the rotor comprises a rotating shaft (21), a rotor bracket (22), a rotor iron core (23), a dovetail rib and a rotor coil (25);
two ends of the rotating shaft (21) are respectively arranged in bearings of the end covers (3);
the rotor bracket (22) is fixedly sleeved outside the rotating shaft (21);
the rotor core (23) is fixedly sleeved outside the rotor support (22), the rotor core (23) is formed by accumulating a plurality of rotor punching sheets, two sides of the rotor core are fixed by a rotor pressing ring (231) and a screw rod, a notch is formed in the outer side of the rotor core (23), a dovetail groove is formed in the inner side of the rotor core (23), and a support extending outwards along the axial direction is arranged on the outer side of the rotor pressing ring (231);
the dovetail rib is positioned between the rotor support (22) and the rotor core (23), one end of the dovetail rib is fixedly connected with the rotor support (22), and the other end of the dovetail rib is embedded in a dovetail groove of the rotor core (23) in a matching manner and is fixed through an inclined key;
the rotor coil (25) penetrates through a notch of the rotor iron core (23), and the end part of the rotor coil (25) is positioned on a bracket of the rotor pressing ring (231) and fixedly connected with the bracket of the rotor pressing ring (231);
the outer edge of the rotor pressing ring (231) is provided with tooth-shaped grooves (2311) at intervals along the circumferential direction, and the tooth-shaped grooves (2311) are combined with the surface of the rotor iron core (23);
the rotor support (22) in the rotor (2) is integrally cylindrical, through holes (221) penetrating through two ends are formed in the rotor support, transverse ribs (222) are arranged on the outer side surface of the rotor support (22) at intervals along the circumferential direction of the rotor support (22), spokes (223) are arranged at intervals along the axial direction of the rotor support (22), radial round holes (2221) are formed in each transverse rib (222), and axial waist-shaped holes (2231) are formed in each spoke (223);
the slip ring assembly (4) is arranged on the outer surface of the end cover (3) through a slip ring bracket (41), and the slip ring bracket (41) is of a claw-type structure; one end of the slip ring support (41) is fixedly connected with the annular substrate (412), and the other end of the slip ring support is fixedly connected with arc-shaped connecting plates (413) which are correspondingly arranged at intervals;
the cooler (5) is arranged above the stator (1), and an air outlet of the cooler is communicated with an air inlet of a base (11) in the stator (1).
2. Three-phase asynchronous motor according to claim 1, characterised in that the rotating shaft (21) in the rotor (2) is made of 42CrMo forged steel.
3. The three-phase asynchronous motor according to claim 1, wherein a plurality of connecting blocks (224) are further arranged on the rotor bracket (22), the connecting blocks (224) correspond to the transverse ribs (222) one by one, each connecting block (224) is arranged along the corresponding transverse rib (222) and fixedly welded with the corresponding transverse rib (222) and the adjacent spoke (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629349.6A CN109474150B (en) | 2018-12-29 | 2018-12-29 | Three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629349.6A CN109474150B (en) | 2018-12-29 | 2018-12-29 | Three-phase asynchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109474150A CN109474150A (en) | 2019-03-15 |
| CN109474150B true CN109474150B (en) | 2021-03-12 |
Family
ID=65676898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811629349.6A Active CN109474150B (en) | 2018-12-29 | 2018-12-29 | Three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109474150B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227129B (en) * | 2007-10-08 | 2011-09-07 | 南阳防爆集团有限公司 | High-capacity non-salient pole nest plate type synchronous generator |
| JP2011166908A (en) * | 2010-02-08 | 2011-08-25 | Toshiba Corp | Totally enclosed motor |
| CN202737638U (en) * | 2012-08-10 | 2013-02-13 | 杭州诚德发电设备有限公司 | Indicating lamp mechanism at the top end of generator |
| CN203301254U (en) * | 2012-12-17 | 2013-11-20 | 泰豪沈阳电机有限公司 | Dove tail rib structure of fan-shaped sheet rotor |
| CN203942395U (en) * | 2014-06-24 | 2014-11-12 | 上海电机系统节能工程技术研究中心有限公司 | Electric motor winding end wind path packed configuration |
| CN207490632U (en) * | 2017-11-23 | 2018-06-12 | 天津同羽嘉禾节能科技有限公司 | A kind of Wound rotor brushless double fed motor rotor structure |
| CN207994830U (en) * | 2018-03-15 | 2018-10-19 | 兰州电机股份有限公司 | The full pipeline pressure of horizontal motor drives aeration structure |
-
2018
- 2018-12-29 CN CN201811629349.6A patent/CN109474150B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109474150A (en) | 2019-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8492951B2 (en) | Segmented stator assembly | |
| US20060131985A1 (en) | Electrical machines and assemblies including a yokeless stator with modular lamination stacks | |
| US8350434B2 (en) | Permanent magnet type rotary electric machine | |
| CN101345440B (en) | Permanent magnet motor with shaft radial folding winding | |
| CN100429860C (en) | Low-speed big-diameter high-torque asynchronous motor | |
| DK177374B1 (en) | Cooling structure for a segmented stator assembly | |
| CN105322667B (en) | Electric rotating machine | |
| CN102647060A (en) | Magnetic gear-type composite hub motor | |
| KR102318963B1 (en) | Multiple in wheel motor for Electric Vehicles with auxiliary driving motors which can drive at emergency | |
| JPH06335188A (en) | Rotor of rotating electric machine | |
| CN115398774A (en) | Stator for electrodynamic axial flux machine and electrodynamic axial flux machine | |
| CN109474150B (en) | Three-phase asynchronous motor | |
| CN112054610A (en) | Stator module, motor and direct-drive rotary table | |
| CN202673430U (en) | Contraposition type electromagnet core | |
| CN201315537Y (en) | Brushless DC hub motor assembly for electric automobile | |
| CN114069907A (en) | Motor, compressor and electrical equipment | |
| CN102170204A (en) | High-efficiency multi-stator permanent magnet direct-current motor | |
| CN107809145A (en) | Journal axle mixes magnetic flux type permanent magnetism vernier motor | |
| CN107086743B (en) | Oil-lubricated main cooling fan motor of high-temperature gas cooled reactor nuclear power plant | |
| CN202707212U (en) | Electromagnetic fan clutch | |
| CN102606644B (en) | Oppositely-arranged iron cores and manufacture method thereof | |
| CN102170205B (en) | Efficient permanent magnet generator with no-iron core and multiple stator | |
| CN204980773U (en) | Permanent magnetism synchronous gearless traction machine | |
| CN200997550Y (en) | Asynchronous motor of low-speed, large-diameter and high-torque | |
| CN110048531A (en) | Tangential Radial Combinations permanent magnetism and electromagnetic hybrid excitation driving motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |