CN111884400A - Special brushless DC motor of electric motor car - Google Patents
Special brushless DC motor of electric motor car Download PDFInfo
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- CN111884400A CN111884400A CN202010695068.1A CN202010695068A CN111884400A CN 111884400 A CN111884400 A CN 111884400A CN 202010695068 A CN202010695068 A CN 202010695068A CN 111884400 A CN111884400 A CN 111884400A
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- column plate
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- half column
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention relates to the field of motors, in particular to a special brushless direct current motor for an electric vehicle, which comprises a motor, an output shaft and a protective shell, wherein the protective shell comprises a chassis, a left half-column plate, a right half-column plate and a top plate, a flanging ring is fixed at the edge of the top end of the chassis, through screw holes are uniformly formed in the center circumference of the side surface of the flanging ring, half grooves are formed in the bottom ends of the outer side surfaces of the left half-column plate and the right half-column plate, connecting screw holes are uniformly formed in the center circumference of the inner part of the half grooves, an anastomosis groove is formed in the center of the side surface of the anastomosis groove, a sliding groove is arranged in the center of the side surface of the sliding groove, a sliding block is connected in a sliding manner in the sliding manner, an extension plate is fixed on the side surface of the sliding block, slots are arranged at equal intervals at the two ends of the left half, the center of the top end of the top disc is penetrated with a connecting bearing, the bottom end of the top disc is provided with an annular inserting groove, and the top end of the top disc is provided with a threaded through hole.
Description
Technical Field
The invention relates to the field of motors, in particular to a brushless direct current motor special for an electric vehicle.
Background
The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. The stator winding of the motor is mostly made into a three-phase symmetrical star connection method, which is very similar to a three-phase asynchronous motor. Along with the development of modern brushless direct current motor technology, the requirement for high protection performance and easy use of the special brushless direct current motor for the electric vehicle is continuously improved, the requirement for improving the convenience in installation of road engineering construction dust fall is improved, the use cost is reduced, the requirement for high efficiency and long service life is also improved, the development of the special brushless direct current motor for the electric vehicle must adapt to the requirement for the development of the modern brushless direct current motor technology, the existing special brushless direct current motor for the electric vehicle on the market cannot conveniently see the motor shell to be conveniently installed and detached, and the integral use effect of the special brushless direct current motor for the electric vehicle is influenced.
The device that application number is CN201921396104.3 is the closest prior art, and discloses a special brushless DC motor of electric motor car, including main part, second support column and dog, the surface paste of main part has the insulating layer, and the surface mounting of insulating layer has the shell, and the avris of shell is provided with first fixed block, and the avris of first fixed block is connected with first support column, and the second support column sets up in the surface of first support column, and the second fixed block is installed to the bottom of second support column. This special brushless DC motor of electric motor car is provided with the dog, and through setting up the dog at the shell tail end, the shell passes through the dog and constitutes the block structure with first baffle, and the lug passes through the second spring and constitutes elastic construction with the dog to make shell easy to assemble and dismantlement, avoid special brushless DC motor of electric motor car's shell to be fixed unable dismantlement, lead to the phenomenon that the user can not carry out regular maintenance and maintenance to the main part. However, when the device is used for mounting the protection case of the brushless dc motor dedicated for the electric vehicle, the protection case has an integrated structure, which is inconvenient to mount and cannot be adjusted in size. Based on the brushless direct current motor, the invention designs the brushless direct current motor special for the electric vehicle.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a brushless dc motor for an electric vehicle, which can solve the problems that when the protection case of the brushless dc motor for an electric vehicle is mounted using the device, the protection case has an integrated structure, which is inconvenient to mount, and the size of the protection case cannot be adjusted.
The invention is realized by the following technical scheme:
a special brushless direct current motor for an electric vehicle comprises a motor, an output shaft and a protective shell, wherein the protective shell comprises a chassis, a left half column plate, a right half column plate and a top plate, the left half column plate and the right half column plate are same in size, a flanging ring is fixed on the edge of the top end of the chassis, through screw holes are uniformly formed in the center circumference of the side surface of the flanging ring, half grooves matched with the flanging ring are formed in the bottom ends of the outer side surfaces of the left half column plate and the right half column plate, connecting screw holes are uniformly formed in the center circumference of the inner part of the half grooves, connecting screw rods are in threaded connection with the inner parts of the connecting screw holes and the through screw holes, anastomosis grooves are formed in the inner side surfaces of the left half column plate and the right half column plate, sliding grooves are formed in the center of the side surfaces of the anastomosis grooves, sliding blocks are in sliding connection with sliding blocks, half column plate both ends equidistant are provided with the slot in a left side, spacing hole has been seted up at the inside center of slot, half column plate on a left side and half column plate top on the right side are provided with the installation screw, half column plate both ends on the right side are provided with slot complex inserted block, the through hole has been seted up at the inserted block center, top dish top center runs through there is connection bearing, top dish bottom end seted up with extension board complex insert ring groove, top dish bottom end seted up with auxiliary rod complex jack, top dish top end seted up with installation screw complex screw perforation, screw perforation and the inside threaded connection of installation screw have set screw.
As a further improvement of the above scheme, the diameter of the bottom plate, the left half column plate, the right half column plate, the top plate and the flanging ring have the same outer diameter, the height of the half groove is equal to the height of the flanging ring, the number of the connecting screw holes is the same as the number of the through screw hole pairs, the depth of the connecting screw holes is smaller than the thickness of the left half column plate, and the length of the connecting screw holes is slightly larger than the sum of the depths of the connecting screw holes and the through screw holes.
As a further improvement of the above scheme, the height of the anastomosis groove is slightly greater than half of the height of the left half-column plate, the anastomosis groove is an arc-shaped groove anastomotic with the inner side surface of the left half-column plate, the arc length of the anastomosis groove is equal to the arc length of the inner side surface of the left half-column plate, and the anastomosis groove penetrates through the top ends of the left half-column plate and the right half-column plate.
As a further improvement of the scheme, the sliding grooves are arranged in three groups at equal intervals, the top ends of the sliding grooves penetrate through the top ends of the inosculating grooves, and the side surfaces of the sliding blocks are cambered surfaces inosculated with the inosculating groove surfaces.
As a further improvement of the above scheme, the extension plate is an arc plate with the same radian as the anastomosis groove, the arc length of the extension plate pair is equal to the arc length of the anastomosis groove, the bottom end of the extension plate is parallel and level to the bottom end of the sliding block, and the top end of the auxiliary rod is parallel and level to the top end of the extension plate.
As a further improvement of the scheme, the limiting hole is not arranged through the inosculating groove, the limiting rod is inserted into the through hole and the limiting hole, and the surface wall of the limiting rod is magnetically connected with the inner wall of the through hole and the inner wall of the limiting hole.
As a further improvement of the above scheme, the inner diameter of the connecting bearing is slightly larger than the diameter of the output shaft, the depth of the inserting groove is equal to half of the height of the top disc, the depth of the inserting hole is equal to the depth of the inserting groove, and the top end of the inserting hole is connected with the top end of the auxiliary rod in a magnetic matching manner.
As a further improvement of the scheme, the threaded through holes and the insertion holes are arranged in a staggered and equidistant mode.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the connecting screw rod and the through screw hole are connected by the connecting screw rod through the flanging ring, the through screw hole, the half groove, the connecting screw hole, the slot, the insert block, the limiting hole, the through hole, the mounting screw hole and the threaded through hole, the left half column plate and the right half column plate are fixed on the chassis by the matching of the flanging ring and the half groove, the left half column plate and the right half column plate are connected by the inserting and matching of the inserting block and the inserting groove, and insert into spacing hole and through hole through the gag lever post and assist the magnetism and connect, realize the connection of left half column plate and right half column plate and fix, utilize set screw threaded connection installation screw and screw perforation, realize the connection of top dish and left half column plate and right half column plate and fix, decompose traditional integrated protective housing into detachable chassis, left half column plate, right half column plate and roof, the installation of the protective housing of being convenient for is dismantled and is used.
2. According to the invention, through arranging the inosculating groove, the sliding block, the extension plate, the inserting ring groove, the auxiliary rod and the inserting hole, the sliding fit of the sliding groove and the sliding block is utilized, the sliding block slides upwards according to the specific height of the motor to drive the extension plate to move upwards, so that the extending height of the extension plate is adjusted, the top end of the extension plate is inserted into the inserting ring groove, meanwhile, the auxiliary rod goes deep into the inserting hole, the extension plate is limited and fixed through the magnetic fixed adsorption connection of the auxiliary rod and the inserting hole, the extension plate is fixed below the top disc under the matching of the inserting ring groove and the inserting hole, the position of the top disc is adjusted, the applicability size of the device can be adjusted according to the height of the motor to be actually protected and the length requirement of the required output.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the chassis of the present invention;
FIG. 4 is a schematic view of the left half-pillar panel structure of the present invention;
FIG. 5 is a schematic cross-sectional view of the left half-pillar panel of the present invention;
FIG. 6 is a schematic structural view of the right pillar panel according to the present invention;
FIG. 7 is a schematic cross-sectional view of the right pillar panel according to the present invention;
FIG. 8 is a schematic view of the structure of the top plate of the present invention.
The device comprises a motor 1, an output shaft 2, a chassis 3, a left half column plate 4, a right half column plate 5, a top plate 6, a flanging ring 7, a through screw hole 8, a half groove 9, a connecting screw hole 10, a connecting screw rod 11, an anastomosis groove 12, a sliding groove 13, a sliding block 14, an extension plate 15, an auxiliary rod 16, a slot 17, a limiting hole 18, an installation screw hole 19, an insertion block 20, a through hole 21, a connecting bearing 22, an insertion ring groove 23, an insertion hole 24, a thread perforation 25 and a fixing screw rod 26.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical scheme of the invention is further explained by combining the attached drawings.
Example one
As shown in figures 1, 2, 3, 4, 6 and 8,
a special brushless DC motor for an electric vehicle comprises a motor 1, an output shaft 2 and a protective shell, wherein the protective shell comprises a chassis 3, a left half column plate 4, a right half column plate 5 and a top plate 6, the left half column plate 4 and the right half column plate 5 have the same size, a flanging ring 7 is fixed at the edge of the top end of the chassis 3, the diameter of the chassis 3, the outer straight sizes of the left half column plate 4, the right half column plate 5, the top plate 6 and the flanging ring 7 are the same, the central circumference of the side surface of the flanging ring 7 is uniformly provided with through screw holes 8, the bottom end of the outer side surface of the left half column plate 4 and the right half column plate 5 is provided with a half groove 9 matched with the flanging ring 7, the height of the half groove 9 is equal to the height of the flanging ring 7, the central circumference inside the half groove 9 is uniformly provided with connecting screw holes 10, the number of the connecting screw holes 10 is the same as the number of the through screw holes 8, the depth of the connecting screw holes 10 is smaller than the thickness, the length of the connecting screw rod 11 is slightly larger than the sum of the depths of the connecting screw hole 10 and the through screw hole 8, slots 17 are arranged at two ends of the left half-column plate 4 at equal intervals, a limiting hole 18 is formed in the center of the inside of each slot 17, an installation screw hole 19 is formed in the top ends of the left half-column plate 4 and the right half-column plate 5, inserting blocks 20 matched with the slots 17 are arranged at two ends of the right half-column plate 5, a through hole 21 is formed in the center of each inserting block 20, the limiting hole 18 is not arranged through the matching groove 12, a limiting rod is inserted into the through hole 21 and the limiting hole 18, the surface wall of the limiting rod, the inner wall of the through hole 21 and the inner wall of the limiting hole 18 are in magnetic connection, a connecting bearing 22 penetrates through the center of the top end of the top disc 6, the inner diameter of the connecting bearing 22 is slightly larger than that of the output shaft 2, a threaded through hole 25 matched with the; utilize connecting screw 11 threaded connection connecting screw 10 and through screw 8, through the cooperation of turn-ups ring 7 and half groove 9, fix left half column plate 4 and right half column plate 5 on chassis 3, utilize the grafting cooperation of inserted block 20 and slot 17, link to each other left half column plate 4 and right half column plate 5, and insert into spacing hole 18 and through hole 21 through the gag lever post and carry out supplementary magnetism and connect, realize left half column plate 4 and right half column plate 5's fixed connection, utilize set screw 26 threaded connection installation screw 19 and screw perforation 24, realize the connection of top dish 6 and left half column plate 4 and right half column plate 5 and fix, decompose traditional integrated protective housing into detachable chassis 3, left half column plate 4, right half column plate 5 and top board 6, the installation dismantlement of protective housing is used.
Example two
As shown in fig. 4, 5, 6, 7 and 8, the second embodiment is a further improvement on the first embodiment.
The inner side surfaces of the left half-column plate 4 and the right half-column plate 5 are provided with inosculating grooves 12, the height of the inosculating grooves 12 is slightly larger than half of the height of the left half-column plate 4, the inosculating grooves 12 are arc grooves inosculating with the inner side surface of the left half-column plate 4, the arc length is equal to the arc length of the inner side surface of the left half-column plate 4, the inosculating grooves 12 penetrate through the top ends of the left half-column plate 4 and the right half-column plate 5, the side surfaces of the inosculating grooves 12 are provided with sliding grooves 13, the sliding grooves 13 are arranged in three groups at equal intervals, the top ends of the sliding grooves 13 penetrate through the top ends of the inosculating grooves 12, the sliding grooves 13 are internally connected with sliding blocks 14 in a sliding way, the side surfaces of the sliding blocks 14 are arc surfaces inosculating with the surfaces of the inosculating grooves 12, the side surfaces of the sliding blocks 14 are fixed with extension plates 15, the extension plates 15 are arc plates with the, the bottom end of the top disc 6 is provided with an inserting ring groove 23 matched with the extension plate 15, the depth of the inserting ring groove 23 is equal to half of the height of the top disc 6, the bottom end of the top disc 6 is provided with an inserting hole 24 matched with the auxiliary rod 16, the depth of the inserting hole 24 is equal to the depth of the inserting ring groove 23, and the top end of the inserting hole 24 is in magnetic matching connection with the top end of the auxiliary rod 16; utilize sliding fit of spout 13 and slider 14, specific height according to motor 1, slider 14 upwards slides, drive extension board 15 and shift up, thereby the height that extension board 15 stretches out is adjusted, make extension board 15 top insert in the inserting ring groove 23, simultaneously auxiliary rod 16 deepens in the jack 24, connect through auxiliary rod 16 and 24 magnetic fixation of jack and carry out spacing fixed to extension board 15, under the cooperation of inserting ring groove 23 and jack 24, extension board 15 is fixed in top dish 6 below, realize the adjustment to top dish 6 position, can be according to the height of motor 1 that actually will protect, combine the length requirement of the output shaft 2 that will spill, can carry out suitability size adjustment to the device.
When in use, the brushless DC motor is placed at the center of the top end of the chassis 3, the connecting screw 10 and the through screw hole 8 are connected by the screw thread of the connecting screw 11 through the matching of the flanging ring 7 and the half groove 9, the left half column plate 4 and the right half column plate 5 are fixed on the chassis 3, the left half column plate 4 and the right half column plate 5 are connected by the inserting and matching of the inserting block 20 and the inserting groove 17, and are inserted into the limit hole 18 and the through hole 21 through the limit rod for auxiliary magnetic connection, so as to realize the connecting and fixing of the left half column plate 4 and the right half column plate 5, then the applicability size adjustment of the device can be carried out according to the height of the motor 1 to be actually protected and the length requirement of the output shaft 2 to be required, the slide block 14 is upwards slid according to the specific height of the motor 1 to drive the extension plate 15 to upwards move, thereby adjusting the extending height of the extension plate 15, make and extend in 15 tops of panel insert annular groove 23, simultaneously in auxiliary rod 16 gos deep into jack 24, connect through auxiliary rod 16 and 24 magnetism fixed adsorption of jack and carry out spacing fixed to extension panel 15, under the cooperation of inserting annular groove 23 and jack 24, extension panel 15 is fixed in roof dish 6 below, realize the adjustment to roof dish 6 position, utilize fixing screw 26 threaded connection installation screw 19 and screw perforation 24 at last, realize roof dish 6 and left half column plate 4 and right half column plate 5's connection fixed, decompose traditional integration protective housing into detachable chassis 3, left half column plate 4, right half column plate 5 and roof 6, the installation of the protective housing of being convenient for is dismantled and is used.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a special brushless DC motor of electric motor car, includes motor (1), output shaft (2) and protective housing, its characterized in that: the protective shell comprises a chassis (3), a left half column plate (4), a right half column plate (5) and a top plate (6), the left half column plate (4) and the right half column plate (5) are the same in size, a flanging ring (7) is fixed on the edge of the top end of the chassis (3), through screw holes (8) are uniformly formed in the circumference of the center of the side surface of the flanging ring (7), half grooves (9) matched with the flanging ring (7) are formed in the bottom ends of the outer side surfaces of the left half column plate (4) and the right half column plate (5), connecting screw holes (10) are uniformly formed in the circumference of the center of the inner part of each half groove (9), connecting screw rods (11) are connected with the inner threads of the connecting screw holes (10) and the through screw holes (8), an anastomosis groove (12) is formed in the inner side surfaces of the left half column plate (4) and the right half column plate (5), and a sliding groove (13) is formed, the sliding device is characterized in that a sliding block (14) is connected to the inside of the sliding groove (13) in a sliding mode, an extension plate (15) is fixed to the side face of the sliding block (14), an auxiliary rod (16) is fixed to the center of the top end of the sliding block (14), slots (17) are formed in the two ends of the left half column plate (4) at equal intervals, a limiting hole (18) is formed in the center of the inside of each slot (17), installation screw holes (19) are formed in the top ends of the left half column plate (4) and the right half column plate (5), insertion blocks (20) matched with the slots (17) are arranged at the two ends of the right half column plate (5), a through hole (21) is formed in the center of each insertion block (20), a connecting bearing (22) penetrates through the center of the top end of the top disc (6), an insertion ring groove (23) matched with the extension plate (15) is formed in the bottom end of the top disc, the top end of the top disc (6) is provided with a thread perforation (25) matched with the installation screw hole (19), and the thread perforation (25) and the installation screw hole (19) are internally connected with a fixing screw rod (26) through threads.
2. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: the diameter of chassis (3), half column plate (4) on the left side, half column plate (5) on the right side, top dish (6) and turn-ups ring (7) are straight the size outward the same, the height that highly equals turn-ups ring (7) of half groove (9), the quantity of connecting screw (10) is the same with the quantity that runs through screw (8) pair, the degree of depth of connecting screw (10) is less than the thickness of half column plate (4) on the left side, the length of connecting screw (11) slightly is greater than the depth sum of connecting screw (10) and running through screw (8).
3. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: the height of the anastomosis groove (12) is slightly larger than half of the height of the left half column plate (4), the anastomosis groove (12) is an arc-shaped groove matched with the inner side surface of the left half column plate (4), the arc length of the anastomosis groove is equal to the arc length of the inner side surface of the left half column plate (4), and the anastomosis groove (12) penetrates through the top ends of the left half column plate (4) and the right half column plate (5).
4. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: the sliding grooves (13) are arranged in three groups at equal intervals, the top ends of the sliding grooves (13) penetrate through the top ends of the anastomosis grooves (12), and the side surfaces of the sliding blocks (14) are cambered surfaces anastomotic with the surfaces of the anastomosis grooves (12).
5. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: the extension plate (15) is an arc-shaped plate with the same radian as the anastomosis groove (12), the arc length of the extension plate (15) pair is equal to that of the anastomosis groove (12), the bottom end of the extension plate (15) is flush with the bottom end of the sliding block (14), and the top end of the auxiliary rod (16) is flush with the top end of the extension plate (15).
6. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: the limiting hole (18) is not arranged through the inosculating groove (12), a limiting rod is inserted into the through hole (21) and the limiting hole (18), and the surface wall of the limiting rod is magnetically connected with the inner wall of the through hole (21) and the inner wall of the limiting hole (18).
7. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: connect bearing (22) internal diameter slightly to be greater than the diameter of output shaft (2), the degree of depth of jack groove (23) equals the half of top dish (6) height, the degree of depth of jack (24) equals the degree of depth of jack groove (23), jack (24) top and auxiliary rod (16) top magnetic fit are connected.
8. The brushless dc motor for electric vehicle as claimed in claim 1, wherein: the threaded through holes (25) and the insertion holes (24) are arranged in a staggered and equidistant mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695068.1A CN111884400B (en) | 2020-07-19 | 2020-07-19 | Special brushless DC motor of electric motor car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695068.1A CN111884400B (en) | 2020-07-19 | 2020-07-19 | Special brushless DC motor of electric motor car |
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| CN111884400A true CN111884400A (en) | 2020-11-03 |
| CN111884400B CN111884400B (en) | 2021-11-02 |
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Cited By (1)
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| CN114583872A (en) * | 2022-04-12 | 2022-06-03 | 德州恒力电机有限责任公司 | Marine three-phase permanent magnet synchronous motor |
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| 李何方: "大型三相高压异步电动机擦甩水环故障分析及解决办法 ", 《电机与控制应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583872A (en) * | 2022-04-12 | 2022-06-03 | 德州恒力电机有限责任公司 | Marine three-phase permanent magnet synchronous motor |
| CN114583872B (en) * | 2022-04-12 | 2022-10-11 | 德州恒力电机有限责任公司 | Marine three-phase permanent magnet synchronous motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111884400B (en) | 2021-11-02 |
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