CN109361281A - Elevator, permanent-magnetic tractor and its rotor assembly - Google Patents
Elevator, permanent-magnetic tractor and its rotor assembly Download PDFInfo
- Publication number
- CN109361281A CN109361281A CN201811535311.2A CN201811535311A CN109361281A CN 109361281 A CN109361281 A CN 109361281A CN 201811535311 A CN201811535311 A CN 201811535311A CN 109361281 A CN109361281 A CN 109361281A
- Authority
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- China
- Prior art keywords
- permanent magnet
- rotor
- permanent
- rotor assembly
- salient pole
- 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.)
- Pending
Links
- 230000004308 accommodation Effects 0.000 claims description 31
- 238000004080 punching Methods 0.000 claims description 22
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical group 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- H02K1/2786—Outer rotors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a kind of elevator, permanent-magnetic tractor and its rotor assembly, elevator includes permanent-magnetic tractor, and permanent-magnetic tractor includes base, stator and rotor assembly, and rotor assembly includes rotor and the identical permanent magnet of multiple polarity.Rotor includes interconnecting piece and multiple salient poles for being set on interconnecting piece, multiple salient poles are spaced apart along the direction of rotation of rotor, and salient pole has magnetic conductivity, and permanent magnet is set on interconnecting piece, a permanent magnet is distributed between two adjacent salient poles, a salient pole is distributed between two adjacent permanent magnets.Stator is set on base, and rotor assembly is rotatablely arranged on base, and salient pole and permanent magnet are respectively positioned between interconnecting piece and stator.Above-mentioned elevator, permanent-magnetic tractor and its rotor assembly can reduce the quantity of permanent magnet, to reduce cost.
Description
Technical field
The present invention relates to traction machine technical fields, more particularly to a kind of elevator, permanent-magnetic tractor and its rotor assembly.
Background technique
Permanent-magnetic tractor is with small in size, light-weight, structure is simple, good reliability, high-efficient, power factor is high, power saving
And the advantages that energy conservation and environmental protection, it is widely used in every field.By taking the permanent-magnetic tractor in elevator as an example, permanent-magnetic tractor
Including stator and rotor assembly, rotor assembly can be relative to stator rotation, to convert electrical energy into mechanical energy, to be elevator
Power is provided.Rotor assembly includes rotor and the permanent magnet that is set on rotor, in the conventional technology, according to the polarity of permanent magnet
Permanent magnet can be divided into the pole N permanent magnet and the pole S permanent magnet, the pole N permanent magnet is alternately distributed with the pole S permanent magnet, the number of permanent magnet
It measures more, leads to the higher cost of rotor assembly.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, a kind of elevator, permanent-magnetic tractor and its rotor assembly are provided, to reduce
The quantity of permanent magnet, to reduce cost.
A kind of rotor assembly of permanent-magnetic tractor, comprising:
Rotor, including interconnecting piece and the multiple salient poles being set on the interconnecting piece, the multiple salient pole is along the rotor
Direction of rotation be spaced apart, the salient pole have magnetic conductivity；And
The identical permanent magnet of multiple polarity, is set on the interconnecting piece, is distributed between two adjacent salient poles
The salient pole is distributed between two adjacent permanent magnets in one permanent magnet.
The rotor assembly of above-mentioned permanent-magnetic tractor has at least the following advantages:
Since a permanent magnet being distributed between two adjacent salient poles, one is distributed between two adjacent permanent magnets
Salient pole, salient pole has magnetic conductivity, therefore flux circuit can be collectively formed to increase asymmetric magnetic resistance, to generate in permanent magnet and salient pole
Reluctance torque converts electrical energy into mechanical energy, therefore salient pole can replace a kind of polar permanent magnet, make included by rotor assembly
The polarity of permanent magnet is all the same.Since salient pole can replace a kind of polar permanent magnet that can subtract for traditional technology
The quantity of the permanent magnet of few half, to reduce cost.
Technical solution is illustrated further below:
In one of the embodiments, the interconnecting piece be equipped with multiple accommodation grooves being spaced apart, the accommodation groove with
The permanent magnet is corresponding, and the permanent magnet is located in the accommodation groove.
There are two the side channel wall that interval is oppositely arranged, the permanent magnets for the accommodation groove tool in one of the embodiments,
It offsets with side channel wall described at least one.
There are spacing between the side channel wall and the salient pole in one of the embodiments,.
The rotor is formed by multiple rotor punchings in one of the embodiments, and the multiple rotor punching is described in
The axial direction of the rotation axis of rotor is stacked.
The single rotor punching includes sub- interconnecting piece and is set on the sub- interconnecting piece in one of the embodiments,
Sub- salient pole, the salient pole is collectively formed in multiple sub- salient poles, and the single rotor punching is equipped with notch, multiple notch shapes
At the accommodation groove.
The rotor assembly further includes adhesive-layer in one of the embodiments, and the adhesive-layer is located at the accommodation groove
Cell wall and the permanent magnet between, the adhesive-layer is used to for the permanent magnet to be adhered to the cell wall of the accommodation groove.
The material of the permanent magnet is rare earth material in one of the embodiments,.
A kind of permanent-magnetic tractor, comprising:
Base；
Stator is set on the base；And
Rotor assembly as described above is rotatablely arranged on the base, and the salient pole and the permanent magnet are equal
Between the interconnecting piece and the stator.
A kind of elevator, including permanent-magnetic tractor as described above.
Above-mentioned elevator and permanent-magnetic tractor have at least the following advantages:
Since elevator and permanent-magnetic tractor include above-mentioned rotor assembly, have the technical effect of above-mentioned rotor assembly, therefore
The quantity of permanent magnet can be reduced, to reduce cost.
Detailed description of the invention
Fig. 1 is the partial schematic diagram of permanent-magnetic tractor in an embodiment；
Fig. 2 is the structural schematic diagram of rotor assembly in Fig. 1；
Fig. 3 is the top view of rotor assembly shown in Fig. 2；
Fig. 4 is the structural schematic diagram of rotor in Fig. 3；
Fig. 5 is the partial enlarged view in Fig. 4 at A；
Fig. 6 is the top view of rotor punching in Fig. 5.
Description of symbols:
1, permanent-magnetic tractor, 10, rotor assembly, 20, stator, 100, rotor, 101, rotor punching, 102, sub- interconnecting piece,
103, sub- salient pole, 104, notch, 110, interconnecting piece, 111, accommodation groove, 120, salient pole, 200, permanent magnet.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Each technical characteristic of embodiment described above can carry out arbitrarily
Combination, for simplicity of description, it is not all possible to each technical characteristic in above-described embodiment combination be all described, so
And as long as there is no contradiction in the combination of these technical features, it all should be considered as described in this specification.
Elevator in one embodiment has the characteristics that cost is relatively low, and elevator includes permanent-magnetic tractor (see Fig. 1), and permanent magnetism drags
Power can be provided for elevator by drawing machine, to realize the lifting of the carriage of elevator.Specifically, permanent-magnetic tractor is mountable to elevator machine
In room or in elevator shaft, one end of hoist ropes is set in carriage, and the other end is set to after bypassing permanent-magnetic tractor to refitting
It sets.When work, permanent-magnetic tractor movement rises or falls carriage, correspondingly, keeps counterweight down or up, to realize
The reciprocal lifting of carriage.
Referring to Fig. 1, the permanent-magnetic tractor 1 in an embodiment, has the characteristics that cost is relatively low, permanent-magnetic tractor 1 includes
Base (not shown), the rotor assembly 10 being rotatablely arranged on base and the stator 20 being set on base.When work, turn
Sub-component 10 is rotated relative to stator 20, so that carriage be driven to go up and down.
Please refer to figs. 2 and 3 together, the rotor assembly 10 in an embodiment, including rotor 100 and multiple polarity it is identical
Permanent magnet 200, permanent magnet 200 are set on rotor 100, so that permanent magnet 200 can follow rotor 100 to rotate together.It compares
The negligible amounts of permanent magnet 200 in traditional technology, rotor assembly 10, therefore cost is relatively low.
Rotor 100 includes interconnecting piece 110 and multiple salient poles 120 for being set on interconnecting piece 110, and multiple salient poles 120 are along turning
The direction of rotation of son 100 is spaced apart, and permanent magnet 200 is set on interconnecting piece 110, is distributed between two adjacent salient poles 120
There is a permanent magnet 200, a salient pole 120 is distributed between two adjacent permanent magnets 200.It is to be appreciated that salient pole 120 with
Permanent magnet 200 is alternately arranged and circumferentially shape is distributed, and when work, permanent magnet 200 can be rotated together with rotor 100.
Due to being distributed with a permanent magnet 200 between two adjacent salient poles 120, between two adjacent permanent magnets 200
Be distributed with a salient pole 120, salient pole 120 has a magnetic conductivity, therefore permanent magnet 200 and salient pole 120 can be collectively formed flux circuit with
Increase asymmetric magnetic resistance and converts electrical energy into mechanical energy, therefore salient pole 120 can replace a kind of polarity to generate reluctance torque
Permanent magnet 200, keep the polarity of permanent magnet 200 included by rotor assembly 10 all the same.Since salient pole 120 can replace a kind of pole
Property permanent magnet 200 can reduce the quantity of the permanent magnet 200 of half for traditional technology, thus reduce at
This.In the present embodiment, permanent magnet 200 is the pole N permanent magnet.Certainly, in other embodiments, permanent magnet 200 can also be
For the pole S permanent magnet.
In the operational process of permanent-magnetic tractor 1, the torque ripple of permanent-magnetic tractor 1 will lead to the generation of permanent-magnetic tractor 1
Vibration and noise, to influence the control precision of elevator.Cogging torque is to lead to one of factor of torque ripple, cogging torque by
Permanent magnet 200 and the interaction of stator 20 when no power generate, therefore the reduction of the quantity of permanent magnet 200 can reduce permanent magnetism
The cogging torque of traction machine 1 guarantees that the control precision of elevator, raising product can to reduce the vibration and noise of permanent-magnetic tractor 1
By property.In addition, the presence of salient pole 120 can also optimize voltage waveform, torque ripple is reduced.
Optionally, the material of permanent magnet 200 is rare earth material, and rare earth has excellent magnetic property, can be improved permanent magnetism
The performance of traction machine 1.Certainly, in other embodiments, the material of permanent magnet 200 can also be magnet steel etc. with magnetic property
Material.
Referring to Figure 4 together and Fig. 5, interconnecting piece 110 is equipped with multiple accommodation grooves 111 being spaced apart, accommodation groove 111 with
Permanent magnet 200 is corresponding, and permanent magnet 200 is located in accommodation groove 111.The positioning of permanent magnet 200 can be improved in the presence of accommodation groove 111
Precision, consequently facilitating permanent magnet 200 is uniformly distributed.Since the uniformity that permanent magnet 200 is distributed also can be to permanent-magnetic tractor 1
Cogging torque have an impact, and permanent magnet 200 be distributed uniformity it is higher, the cogging torque of permanent-magnetic tractor 1 is smaller, thus hold
The presence for setting slot 111 can further decrease the cogging torque of permanent-magnetic tractor 1, thus reduce the vibration of permanent-magnetic tractor 1 with
Noise.In the present embodiment, accommodation groove 111 and permanent magnet 200 correspond.Certainly, in other embodiments, accommodation groove
111 quantity can extra permanent magnet 200 quantity.
There are two the side channel wall that interval is oppositely arranged, permanent magnet 200 offsets the tool of accommodation groove 111 at least one side channel wall,
To further increase the positioning accuracy of permanent magnet 200.There are spacing between side channel wall and salient pole 120, convex to avoid permanent magnet 200
The part of accommodation groove 111 generates interference with salient pole 120 out, structurally reasonable.In the present embodiment, permanent magnet 200 and two side channels
Wall offsets, to increase the setting stability of permanent magnet 200 to a certain extent.Certainly, in other embodiments, permanent magnetism
Body 200 can only offset with one of side channel wall, it is possible to understand that ground, in order to guarantee the positioning accuracy of permanent magnet 200, adjacent
Between two permanent magnets 200, preferably there is the side channel wall not offseted with permanent magnet 200.
Rotor assembly 10 further includes adhesive-layer (not shown), adhesive-layer be located at accommodation groove 111 cell wall and permanent magnet 200 it
Between, adhesive-layer is used to for permanent magnet 200 being adhered to the cell wall of accommodation groove 111, so that permanent magnet 200 is set to accommodation groove 111
It is interior.It should be noted that the cell wall of accommodation groove 111 includes two side channel walls and the kerve wall for connecting two side channel walls.Adhesive-layer
It can be only arranged on kerve wall, perhaps be only arranged on the side channel wall to offset with permanent magnet 200 or be set to simultaneously kerve
On wall and the side channel wall to offset with permanent magnet 200.
Rotor 100 is formed by multiple rotor punchings 101, the axial direction of rotation axis of multiple rotor punchings 101 along rotor 100
Direction is stacked, to reduce the formation difficulty of salient pole 120 and accommodation groove 111.For rotor 100, rotor punching 101
Thinner thickness, therefore be easy rotor punching 101 being processed into various shape, and be easy to control the precision of institute's machining shape.At this
In embodiment, rotor punching 101 is stamped and formed out, in order to produce in enormous quantities on a large scale.
Referring to Figure 6 together, a in the present embodiment, single rotor punching 101 includes sub- interconnecting piece 102 and is set to son
Salient pole 120 is collectively formed in sub- salient pole 103 on interconnecting piece 102, multiple sub- salient poles 103, and single rotor punching 101 is equipped with notch
104, multiple notches 104 form accommodation groove 111.It is to be appreciated that accommodation groove 111 penetrates through two opposite surfaces of rotor 100.It should
Design method can be convenient for forming all rotor punchings 101 using the same stamping die, to reduce cost.Certainly, in other realities
It applies in example, can only form sub- salient pole 103 in part rotor punching 101, only open up notch in part rotor punching 101
104。
In permanent-magnetic tractor 1, salient pole 120 and permanent magnet 200 are respectively positioned between interconnecting piece 110 and stator 20.In this implementation
In example, rotor 100 is outer rotor, and stator 20 is located at the inside of rotor 100.Certainly, in other embodiments, rotor 100 may be used also
Think that internal rotor, rotor 100 are located at the inside of stator 20.
The specific working principle is as follows for above-mentioned elevator, permanent-magnetic tractor 1 and its rotor assembly 10:
When work, flux circuit can be collectively formed to increase asymmetric magnetic resistance, to generate in permanent magnet 200 and salient pole 120
Reluctance torque, so that rotor 100 and the permanent magnet 200 being set on rotor 100 are rotated relative to stator 20 together, thus by electric
Mechanical energy can be converted into.The rotor assembly 10 of rotation can drive carriage back and forth to go up and down indirectly, and elevator is made to play its instrumentality.
Salient pole 120 can replace a kind of polar permanent magnet 200 that can reduce half for traditional technology
The quantity of permanent magnet 200, to reduce cost.Meanwhile the reduction of salient pole 120 can reduce the cogging torque of permanent-magnetic tractor 1,
To improve the control precision of elevator and the reliability of elevator.
Rotor 100 is formed by multiple rotor punchings 101, and salient pole 120 and accommodation groove 111 are total by multiple rotor punchings 101
With being formed, the formation difficulty of accommodation groove 111 Yu salient pole 120 is on the one hand reduced, opening up for accommodation groove 111 is on the other hand improved
Precision, to ensure that the positioning accuracy of permanent magnet 200, indirectly further reduced the cogging torque of permanent-magnetic tractor 1.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of rotor assembly of permanent-magnetic tractor characterized by comprising
Rotor, including interconnecting piece and the multiple salient poles being set on the interconnecting piece, rotation of the multiple salient pole along the rotor
Turn direction to be spaced apart, the salient pole has magnetic conductivity；And
The identical permanent magnet of multiple polarity, is set on the interconnecting piece, is distributed with one between two adjacent salient poles
The salient pole is distributed between two adjacent permanent magnets in the permanent magnet.
2. rotor assembly according to claim 1, which is characterized in that the interconnecting piece is equipped with multiple appearances being spaced apart
Slot is set, the accommodation groove is corresponding with the permanent magnet, and the permanent magnet is located in the accommodation groove.
3. rotor assembly according to claim 2, which is characterized in that the accommodation groove tool was oppositely arranged there are two interval
Side channel wall, the permanent magnet offset with side channel wall described at least one.
4. rotor assembly according to claim 3, which is characterized in that between existing between the side channel wall and the salient pole
Away from.
5. rotor assembly according to claim 2, which is characterized in that the rotor is formed by multiple rotor punchings, described
Multiple rotor punchings are stacked along the axial direction of the rotation axis of the rotor.
6. rotor assembly according to claim 5, which is characterized in that the single rotor punching includes sub- interconnecting piece and sets
The salient pole is collectively formed in the sub- salient pole being placed on the sub- interconnecting piece, multiple sub- salient poles, on the single rotor punching
Equipped with notch, multiple notches form the accommodation groove.
7. according to the described in any item rotor assembly of claim 2 to 6, which is characterized in that it further include adhesive-layer, the adhesive-layer
Between the cell wall and the permanent magnet of the accommodation groove, the adhesive-layer is used to the permanent magnet being adhered to the accommodating
On the cell wall of slot.
8. rotor assembly according to any one of claims 1 to 6, which is characterized in that the material of the permanent magnet is rare earth
Material.
9. a kind of permanent-magnetic tractor characterized by comprising
Base；
Stator is set on the base；And
Rotor assembly as claimed in any one of claims 1 to 8 is rotatablely arranged on the base, the salient pole and institute
Permanent magnet is stated to be respectively positioned between the interconnecting piece and the stator.
10. a kind of elevator, which is characterized in that including permanent-magnetic tractor as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535311.2A CN109361281A (en) | 2018-12-14 | 2018-12-14 | Elevator, permanent-magnetic tractor and its rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535311.2A CN109361281A (en) | 2018-12-14 | 2018-12-14 | Elevator, permanent-magnetic tractor and its rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109361281A true CN109361281A (en) | 2019-02-19 |
Family
ID=65328853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811535311.2A Pending CN109361281A (en) | 2018-12-14 | 2018-12-14 | Elevator, permanent-magnetic tractor and its rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109361281A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104896A (en) * | 2021-11-29 | 2022-03-01 | 日立楼宇技术（广州）有限公司 | Elevator traction machine vibration machine detection method and device, computer equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0620634A1 (en) * | 1993-04-14 | 1994-10-19 | Kabushiki Kaisha Meidensha | Hybrid excitation type permanent magnet synchronous motor |
| CN103532272A (en) * | 2013-10-16 | 2014-01-22 | 浙江亿利达风机股份有限公司 | Permanent magnet brushless direct-current motor rotor |
| CN105141099A (en) * | 2015-09-21 | 2015-12-09 | 华中科技大学 | Consequent pole brushless permanent magnet motor and electronic power-assisted steering system based on motor |
| JP2016220382A (en) * | 2015-05-20 | 2016-12-22 | 株式会社日立製作所 | Rotor of rotary electric machine, and rotary electric machine using the same |
| CN106505760A (en) * | 2016-11-17 | 2017-03-15 | 南京航空航天大学 | A kind of Consequent pole permanent magnet motor of rotor segment |
| CN209056994U (en) * | 2018-12-14 | 2019-07-02 | 日立电梯电机（广州）有限公司 | Elevator, permanent-magnetic tractor and its rotor assembly |
-
2018
- 2018-12-14 CN CN201811535311.2A patent/CN109361281A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0620634A1 (en) * | 1993-04-14 | 1994-10-19 | Kabushiki Kaisha Meidensha | Hybrid excitation type permanent magnet synchronous motor |
| CN103532272A (en) * | 2013-10-16 | 2014-01-22 | 浙江亿利达风机股份有限公司 | Permanent magnet brushless direct-current motor rotor |
| JP2016220382A (en) * | 2015-05-20 | 2016-12-22 | 株式会社日立製作所 | Rotor of rotary electric machine, and rotary electric machine using the same |
| CN105141099A (en) * | 2015-09-21 | 2015-12-09 | 华中科技大学 | Consequent pole brushless permanent magnet motor and electronic power-assisted steering system based on motor |
| CN106505760A (en) * | 2016-11-17 | 2017-03-15 | 南京航空航天大学 | A kind of Consequent pole permanent magnet motor of rotor segment |
| CN209056994U (en) * | 2018-12-14 | 2019-07-02 | 日立电梯电机（广州）有限公司 | Elevator, permanent-magnetic tractor and its rotor assembly |
Non-Patent Citations (1)
| Title |
|---|
| 李光友，***，孙雨萍: "《控制电机》", 机械工业出版社, pages: 56 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104896A (en) * | 2021-11-29 | 2022-03-01 | 日立楼宇技术（广州）有限公司 | Elevator traction machine vibration machine detection method and device, computer equipment and storage medium |
| CN114104896B (en) * | 2021-11-29 | 2023-09-12 | 日立楼宇技术（广州）有限公司 | Elevator traction machine vibration detection method, device, computer equipment and storage medium |
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