CN113746244A - Wind power variable pitch permanent magnet motor - Google Patents
Wind power variable pitch permanent magnet motor Download PDFInfo
- Publication number
- CN113746244A CN113746244A CN202110936195.0A CN202110936195A CN113746244A CN 113746244 A CN113746244 A CN 113746244A CN 202110936195 A CN202110936195 A CN 202110936195A CN 113746244 A CN113746244 A CN 113746244A
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- encoder
- permanent magnet
- magnet motor
- rotor
- host computer
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- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004080 punching Methods 0.000 description 9
- 238000010248 power generation Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- 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
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a wind-powered electricity generation becomes oar permanent magnet motor, this motor is equipped with the host computer seat, be equipped with rotor subassembly and stator module in the host computer seat, host computer seat one side coaxial coupling has the auxiliary engine seat, be equipped with stopper and encoder in the auxiliary engine seat, the pivot of rotor subassembly stretches out the host computer seat and with the rotor end of encoder is connected, the stator end of encoder pass through encoder coupling assembling with the one end of stopper is connected, the other end of stopper with the host computer seat is connected. The main engine base and the auxiliary engine base are coaxially connected, so that the installation is simple and rapid; and the encoder is directly fixed on the brake through the encoder connecting assembly, so that the whole machine is simple in structure and light in weight. The invention also has the characteristics of high motor efficiency, good sealing effect and the like.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of motors, in particular to a wind power variable pitch permanent magnet motor which is simple in structure, convenient to install, high in performance and large in torque.
[ background of the invention ]
With the increasing energy consumption and the increasing environmental pollution, wind power becomes a new development direction of the world energy industry, and the power generation technology is rapidly developed. The electric variable pitch control system is used as an important executing mechanism for power control and safe and stable operation in the wind power generation system, and plays an important role in the whole power generation system. Due to the complexity, nonlinearity and time-varying property of the wind power system, the variable pitch control system is required to have the performances of good dynamic response performance, high steady-state precision, strong adaptability and the like. The variable-pitch permanent magnet motor is mainly used for three blades of the wind driven generator, and the angle of the variable-pitch permanent magnet motor is continuously adjusted according to the wind direction and the wind power, so that the wind driven generator is guaranteed to be stabilized within a reasonable rotating speed range, and the generated power is guaranteed to be stable. To achieve this, the pitch permanent magnet motor needs to be provided with a brake, and the brake is used for locking the rotor to keep the blades at a proper angle. The whole structure of the existing variable-pitch permanent magnet motor is complex, particularly in the installation process of a brake and an encoder, and the size and the weight of the whole motor are large. Therefore, how to provide a wind power pitch control system with simple structure, convenient installation and high motor driving performance becomes an objective requirement.
[ summary of the invention ]
The invention aims to solve the problems and provides the wind power variable pitch permanent magnet motor which is simple in structure, convenient to install, light in weight, good in sealing effect, large in torque and high in efficiency.
In order to achieve the purpose of the invention, the invention provides a wind power variable pitch permanent magnet motor which is provided with a main machine base, wherein a rotor assembly and a stator assembly are arranged in the main machine base, an auxiliary machine base is coaxially connected to one side of the main machine base, a brake and an encoder are arranged in the auxiliary machine base, a rotating shaft of the rotor assembly extends out of the main machine base and is connected with a rotor end of the encoder, a stator end of the encoder is connected with one end of the brake through an encoder connecting assembly, and the other end of the brake is connected with the main machine base.
The main engine base comprises a main engine base body, and a front end cover and a rear end cover which are respectively arranged at two ends of the main engine base body, wherein through holes for the rotating shafts to pass through are respectively arranged in the middle of the front end cover and the middle of the rear end cover.
The two ends of the rotating shaft are connected with the front end cover and the rear end cover through deep groove ball bearings respectively, and the rotating shaft is sealed with the front end of the front end cover and the rear end of the rear end cover through framework oil seals respectively.
The auxiliary engine base comprises an auxiliary engine base body and a rear cover plate, one end of the auxiliary engine base body is connected with the rear end cover, and the other end of the auxiliary engine base body is connected with the rear cover plate through a screw.
The rotor subassembly is located including the cover the rotor core of pivot periphery, rotor core's both ends face is equipped with rotor pressing plate, rotor core's inslot is equipped with the magnet steel.
Furthermore, the inside ventilation hole that is equipped with of rotor core, even interval is equipped with a plurality of parallel grooves on the rotor clamp plate.
The stator assembly comprises a stator core and a stator winding, the stator winding is a single-double two-layer winding, and each phase of winding comprises two coils connected in series.
The encoder connecting assembly comprises an encoder support and an encoder clamping plate, the encoder is connected with the encoder support through the encoder clamping plate, and the encoder support is connected with the encoder and the brake respectively.
Further, the encoder support includes the support body and locates the joint spare that support body one end extends to the outside, the support body is connected with the stopper, the joint spare with the encoder is connected.
The encoder clamping plate is arranged on the clamping plate main body and the clamping portion, the clamping plate main body is connected with the support body, the clamping portion is arranged at one end of the clamping plate main body, and the clamping portion is clamped on the encoder.
The wind power pitch-variable permanent magnet motor effectively solves the problems of complex structure, inconvenience in installation, poor motor performance and the like of the existing wind power pitch-variable permanent magnet motor. The invention has simple and quick installation by coaxially connecting the main engine base and the auxiliary engine base. On the other hand, the encoder is directly fixed on the brake through the encoder connecting assembly, so that the whole machine is simple in structure and light in weight.
In addition, the stator winding adopts single-double two-layer windings, and each phase of the stator winding comprises two coils which are connected in series, so that the performance and the torque of the motor are rapidly improved, and the efficiency of the motor is improved. The invention also has the characteristic of good sealing effect.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is a schematic view of the structure of the rotor assembly of the present invention.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a schematic structural diagram of the stator punching sheet of the invention.
[ detailed description ] embodiments
The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.
Referring to fig. 1, the wind power pitch-controlled permanent magnet motor of the present invention is provided with a main machine base 11, an auxiliary machine base 12, a rotor assembly 20, a stator assembly 30, a brake 40, an encoder 50, and an encoder connecting assembly 60. The motor is used in a fan set, and can ensure that the motor can realize stable, heavy-load starting and quick pitch variation under the conditions of high altitude and large wind power.
As shown in fig. 1 and 2, the main housing 11 is used for mounting the rotor assembly 20 and the stator assembly 30, and includes a main housing body 111, a front cover 112 and a rear cover 113, wherein the main housing body 111 is cylindrical, and a mounting cavity is disposed therein for mounting the rotor assembly 20 and the stator assembly 30, the front end of the main housing body 111 is connected to the front cover 112, and the front cover 112 is a flange cover and can be connected to the front end of the main housing body 111 in various manners. A through hole is formed in the middle of the front cover 112 for allowing the end of the rotating shaft 21 of the rotor assembly 20 to pass through, a first receiving groove is formed in the inner side of the through hole of the front cover 112 for receiving the deep groove ball bearing 70, and a second receiving groove is formed in the outer side of the through hole for receiving the frame oil seal 80, so that the sealing performance of the front cover 112 is improved. A rear cover 113 is connected to the rear end of the main housing body 111, and the rear cover 113 may be connected to the rear end of the main housing body 111 by various methods. A through hole is formed in the middle of the rear end cap 113 for allowing the rotation shaft 21 of the rotor assembly 20 to pass through, a third receiving groove is formed in the inner side of the through hole for receiving the deep groove ball bearing 70, and a fourth receiving groove is formed in the outer side of the through hole for receiving the frame oil seal 80, so that the sealing performance of the rear end cap 113 is improved. A coupling hole is further provided on the rear cover 113 for coupling with the stopper 40. The main housing 11 is provided with a power socket, which is connected to the surface of the main housing body 111 by means of a spider screw. A hanging ring is further arranged on the main machine base body 111 and connected with the main machine base body 111 through a screw. A sub-base 12 is coaxially connected to the main base 11 near the rear end cover 113, and the sub-base 12 accommodates the brake 40 and the encoder 50. In this embodiment, the main chassis 11 and the auxiliary chassis 12 are coaxially connected in the forward and backward directions by using eight-hole type chassis, so that the installation is convenient and fast. Specifically, the sub-housing 12 includes a sub-housing body 121 and a rear cover plate 122, wherein the sub-housing body 121 is cylindrical, and a mounting cavity is formed therein for mounting the brake 40. The rear cover plate 122 is connected to the rear end of the sub housing body 121, and is fixed to the sub housing body 121 by screws. An encoder socket and a brake socket are further provided on the sub housing body 121, wherein the encoder socket is electrically connected to the encoder 50 and is connected to the sub housing body 121 by a cross pan head screw. The stopper socket is electrically connected to the stopper 40. In this embodiment, power socket, encoder socket and stopper socket are aviation socket to improve sealed effect. The key parts of the whole machine are sealed by ethylene propylene diene monomer rubber materials, so that the protection grade of the whole machine reaches P65.
As shown in fig. 1, fig. 3 and fig. 4, the rotor assembly 20 is rotatably disposed in the main chassis 11, and includes a rotating shaft 21 and a rotor core 22, wherein one end of the rotating shaft 21 extends out of the front end cover 112 and is connected to the blades through a flat key, and the other end of the rotating shaft 21 extends out of the rear end cover 113 and is connected to the encoder 50. The two ends of the rotating shaft 21 are respectively connected with the front end cover 112 and the rear end cover 113 through the deep groove ball bearing 70, a wave spring is arranged between the deep groove ball bearing 70 and the front end cover 112, and the wave spring is arranged between the deep groove ball bearing 70 and the rear end cover 113. The rotor core 22 is sleeved on the periphery of the rotating shaft 21, the rotor core 22 is formed by laminating a plurality of rotor punching sheets together, and the number of the rotor punching sheets can be determined according to the design requirement of the rotor core. As shown in fig. 3 and 4, the rotor sheet is circular, and a plurality of grooves are uniformly distributed at intervals on the periphery of the rotor sheet, and magnetic steel 24 is arranged in the grooves. The shape and number of the grooves can be set according to the requirements of actual performance indexes. In the embodiment shown in fig. 4, the number of grooves is 18, and the cross section is rectangular. Rotor pressing plates 23 are arranged on two end faces of the rotor core 22, and the rotor pressing plates 23 can tightly press the rotor core 22 and also play a role in magnetic isolation. The rotor pressure plate 23 is provided with a plurality of parallel slots 26 at regular intervals to serve as a dynamic balance weight for the rotor assembly 20. The magnetic steel 24 is arranged in the grooves of the rotor punching sheet, wherein the magnetic steel 24 is alternately arranged in each groove according to NS. A plurality of ventilation holes 25 are formed in the rotor core 22 to increase the flow and circulation of air inside the motor, thereby increasing heat dissipation and reducing the weight of the rotor.
As shown in fig. 1 and 5, a stator assembly 30 is disposed outside the rotor assembly 20, wherein a certain gap exists between the rotor assembly 20 and the stator assembly 30, so that the rotor assembly 20 is driven to rotate by a driving torque formed by a magnetic field generated between the stator assembly 30 and the rotor assembly 20. Stator module 30 includes stator core 31 and stator winding 32, and wherein, stator core 31 is laminated by polylith stator punching and is formed, and the quantity of stator punching can be decided according to stator core's designing requirement. In the embodiment shown in fig. 5, the stator punching sheet is annular, the outer periphery of the stator punching sheet is uniformly provided with a plurality of first grooves for positioning, the inner periphery of the stator punching sheet is uniformly provided with a plurality of second grooves for winding, the shapes and the number of the first grooves and the second grooves can be set according to the requirement of an actual performance index, in the embodiment, the number of the second grooves is 36, and the cross section of the second grooves is arc-shaped. The stator winding 32 is connected in a slightly double-layer overlapping mode, the stator winding is made of an H-level copper wire, and after wire embedding, vacuum pressure paint dipping and immersion process treatment are carried out, so that the insulation strength of the winding is increased, and the requirement of the H-level insulation grade is met.
As shown in fig. 1, a brake 40 and an encoder 50 are provided in the sub-housing 12, wherein one end of the brake 40 is connected to the main housing 11, the other end thereof is connected to a stator end of the encoder 50, and a rotor end of the encoder 50 is connected to the rotating shaft 21. Specifically, one end of the stopper 40 is fixed to the rear end cover 113 by a screw, and the other end thereof is connected to the stator end of the encoder 50 by the encoder connecting assembly 60. Encoder coupling assembling 60 includes encoder support 61 and encoder cardboard 62, and encoder 50 passes through the encoder cardboard 62 to be connected with encoder support 61, and encoder support 61 is connected with encoder 50 and stopper 40 respectively. Specifically, the encoder bracket 61 includes a bracket body 611 and a clamping member 612 disposed at one end of the bracket body 611 and extending outward, the bracket body 611 is connected to the brake 40, and the clamping member 612 is connected to the encoder 50. Cardboard main part 621 and joint portion 622 are located to encoder cardboard 62, and cardboard main part 621 is connected with support body 611, and joint portion 622 locates cardboard main part 621 one end, and its joint is on encoder 50.
As shown in fig. 1, the installation process of the present invention is: after the main machine base 11 is heated and expanded, the stator assembly 30 is sleeved into the main machine base 11, then the two ends of the rotor assembly 20 are pressed into the deep groove ball bearings 70 by using a horizontal press and then penetrate into the center of the stator core 31, and then the front end cover 112 and the rear end cover 113 are installed. Then the brake 40 is connected by using high-strength screws, and the encoder 50 is directly connected with the rear end of the brake 40 through the encoder bracket 61 and the encoder snap-in plate 62, thereby saving the installation space and reducing the weight of the whole machine.
Although the present invention has been described with reference to the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions and the like of the above members are intended to fall within the scope of the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a wind-powered electricity generation becomes oar permanent magnet motor, its characterized in that, this motor is equipped with host computer seat (11), be equipped with rotor subassembly (20) and stator module (30) in host computer seat (11), host computer seat (11) one side coaxial coupling has auxiliary engine seat (12), be equipped with stopper (40) and encoder (50) in auxiliary engine seat (12), pivot (21) of rotor subassembly (20) stretch out host computer seat (11) and with the rotor end of encoder (50) is connected, the stator end of encoder (50) pass through encoder coupling assembling (60) with the one end of stopper (40) is connected, the other end of stopper (40) with host computer seat (11) are connected.
2. The wind-power pitch-variable permanent magnet motor according to claim 1, wherein the main machine base (11) comprises a main machine base body (111) and a front end cover (112) and a rear end cover (113) which are respectively arranged at two ends of the main machine base body (111), and through holes for the rotating shaft (21) to pass through are respectively arranged in the middle parts of the front end cover (112) and the rear end cover (113).
3. The wind power pitch-controlled permanent magnet motor according to claim 2, wherein two ends of the rotating shaft (21) are respectively connected with the front end cover (112) and the rear end cover (113) through deep groove ball bearings (70), and the rotating shaft (21) and the front end of the front end cover (112) and the rear end of the rear end cover (113) are respectively sealed through framework oil seals (80).
4. The wind power pitch-controlled permanent magnet motor according to claim 2, wherein the auxiliary base (12) comprises an auxiliary base body (121) and a rear cover plate (122), one end of the auxiliary base body (121) is connected with the rear end cover (113), and the other end of the auxiliary base body is connected with the rear cover plate (122) through a screw.
5. The wind-power pitch-variable permanent magnet motor according to claim 1, wherein the rotor assembly (20) comprises a rotor core (22) sleeved on the periphery of the rotating shaft (21), rotor pressing plates (23) are arranged on two end faces of the rotor core (22), and magnetic steel (24) is arranged in a groove of the rotor core (22).
6. The wind power pitch-controlled permanent magnet motor according to claim 5, wherein the rotor core (22) is provided with ventilation holes (25) inside, and the rotor pressure plate (23) is provided with a plurality of parallel grooves (26) at uniform intervals.
7. The wind power pitch-controlled permanent magnet motor according to claim 1, wherein the stator assembly (30) comprises a stator core (31) and a stator winding (32), the stator winding (32) is a single-double two-layer winding, and each phase winding comprises two coils connected in series.
8. The wind-powered variable pitch permanent magnet motor according to claim 1, wherein the encoder connecting assembly (60) comprises an encoder bracket (61) and an encoder clamping plate (62), the encoder (50) is connected with the encoder bracket (61) through the encoder clamping plate (62), and the encoder bracket (61) is connected with the encoder (50) and the brake (40) respectively.
9. The wind-power pitch-variable permanent magnet motor according to claim 8, wherein the encoder bracket (61) comprises a bracket body (611) and a clamping piece (612) arranged at one end of the bracket body (611) and extending outwards, the bracket body (611) is connected with the brake (40), and the clamping piece (612) is connected with the encoder (50).
10. The wind-powered variable pitch permanent magnet motor according to claim 8, wherein the encoder clamping plate (62) is disposed on a clamping plate main body (621) and a clamping portion (622), the clamping plate main body (621) is connected to the bracket body (611), and the clamping portion (622) is disposed at one end of the clamping plate main body (621) and clamped to the encoder (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936195.0A CN113746244A (en) | 2021-08-16 | 2021-08-16 | Wind power variable pitch permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936195.0A CN113746244A (en) | 2021-08-16 | 2021-08-16 | Wind power variable pitch permanent magnet motor |
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| Publication Number | Publication Date |
|---|---|
| CN113746244A true CN113746244A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110936195.0A Pending CN113746244A (en) | 2021-08-16 | 2021-08-16 | Wind power variable pitch permanent magnet motor |
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| CN (1) | CN113746244A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151343U (en) * | 2013-03-15 | 2013-08-21 | 北京北超伺服技术有限公司 | Slider motor |
| CN205389162U (en) * | 2015-12-12 | 2016-07-20 | 江麓机电集团有限公司 | Become PMSM for oar |
| CN207098857U (en) * | 2017-08-07 | 2018-03-13 | 苏州朗高电机有限公司 | A kind of pitch motor structure of anti-corrosion vibrationproof |
| WO2019202643A1 (en) * | 2018-04-16 | 2019-10-24 | 三菱電機株式会社 | Encoder and motor |
| CN111740518A (en) * | 2020-07-08 | 2020-10-02 | 江西江特电机有限公司 | Wind power motor rotor and wind power become oar with permanent-magnet machine |
| CN213585378U (en) * | 2020-12-01 | 2021-06-29 | 浙江多川电机技术有限公司 | Embedded permanent magnet synchronous variable pitch motor for wind power generation |
-
2021
- 2021-08-16 CN CN202110936195.0A patent/CN113746244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151343U (en) * | 2013-03-15 | 2013-08-21 | 北京北超伺服技术有限公司 | Slider motor |
| CN205389162U (en) * | 2015-12-12 | 2016-07-20 | 江麓机电集团有限公司 | Become PMSM for oar |
| CN207098857U (en) * | 2017-08-07 | 2018-03-13 | 苏州朗高电机有限公司 | A kind of pitch motor structure of anti-corrosion vibrationproof |
| WO2019202643A1 (en) * | 2018-04-16 | 2019-10-24 | 三菱電機株式会社 | Encoder and motor |
| CN111740518A (en) * | 2020-07-08 | 2020-10-02 | 江西江特电机有限公司 | Wind power motor rotor and wind power become oar with permanent-magnet machine |
| CN213585378U (en) * | 2020-12-01 | 2021-06-29 | 浙江多川电机技术有限公司 | Embedded permanent magnet synchronous variable pitch motor for wind power generation |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |