CN208423965U - rotor and motor - Google Patents
rotor and motor Download PDFInfo
- Publication number
- CN208423965U CN208423965U CN201821017513.3U CN201821017513U CN208423965U CN 208423965 U CN208423965 U CN 208423965U CN 201821017513 U CN201821017513 U CN 201821017513U CN 208423965 U CN208423965 U CN 208423965U
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- conducting bar
- slot
- cage
- mouse cage
- iron core
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Abstract
The utility model discloses rotor and motors, are related to motor device technical field.Including the iron core as made of several silicon steel plate stackings, shaft, mouse cage conducting bar and permanent magnet, iron core is equipped with shaft hole and corresponding keyway in its center, and iron core is along the circumferential direction uniformly provided with mouse cage conducting bar slot corresponding with mouse cage conducting bar；Shaft passes through iron core by shaft hole, and cooperates with keyway, wherein keyway is two, and the width of keyway is 0.1 to 0.25 times of shaft bore dia and its depth is 0.5 to 0.8 times of local width, and two keyways are symmetrically disposed on shaft hole two sides；Iron core has the slot arranged at V-type, and the every two pieces permanent magnets being placed in V-groove constitute a magnetic pole；Mouse cage conducting bar is equipped in mouse cage conducting bar slot；Between shaft hole and mouse cage conducting bar slot, additional mouse cage conducting bar is arranged in iron core；Mouse cage conducting bar is connected with additional mouse cage conducting bar each by end ring, is respectively formed first set mouse cage and additional mouse cage；The rotor can be improved the reliability of permanent magnet.
Description
Technical field
The utility model relates to motor device technical fields, more particularly, to rotor and motor.
Background technique
Self-starting permanent magnet synchronous motor is increasingly valued by people in recent years, stable compared with asynchronous machine
Property it is high, efficiency and power factor are all higher than the asynchronous machine of equal-wattage grade, and economical operation range is wide, in many industrial applications
Occasion is expected to replace asynchronous machine, but the reliability of permanent magnet becomes an important factor for hindering this motor to be widely applied.Just
For motor body structure, existing self-starting permanent magnet synchronous motor rotor structure can be divided into parallel connection according to putting for permanent magnet
Formula, tandem and hybrid combination.V-groove structure belongs to one kind of series-mode frame, and existing V-groove rotor core is (with 4 poles
For motor), the rotor of this structure includes iron core, mouse cage conducting bar, permanent magnet and axis, and iron core has the slot arranged at V-type, often
Two pieces of permanent magnets being placed in V-groove constitute a magnetic pole.
In general, asynchronous machine of the starting current times of self-starting permanent magnet synchronous motor slightly than same power grade is big,
The rotor current that stator current and induction generate when starting will generate very big demagnetization magnetic potential, under normal circumstances, the demagnetization magnetic potential
It is uniformly undertaken by a pair of four extremely lower permanent magnets, ideally permanent magnet is safe, the risk that do not demagnetize, but is showed
Some V-type rotor structures, magnetic circuit are easy to happen distortion, and the demagnetization magnetic potential is caused largely to act on the part of part permanent magnet,
In starting process, permanent magnet is easy to happen local loss of excitation, and gradually deteriorates up to permanent magnet whole loss of excitation, so that permanent magnet
Reliability reduces.
Utility model content
The purpose of this utility model is to provide rotor and motor, which can be improved the reliability of permanent magnet.
To achieve the above object, the utility model the following technical schemes are provided:
One side according to the present utility model, provides rotor, including the iron core as made of several silicon steel plate stackings, turns
Axis, mouse cage conducting bar and permanent magnet, the iron core are equipped with shaft hole and corresponding keyway in its center, and the iron core is circumferentially
Direction is uniformly provided with mouse cage conducting bar slot corresponding with the mouse cage conducting bar；
The shaft passes through the iron core by the shaft hole, and cooperates with the keyway, wherein the keyway is two
A, the width of the keyway is 0.1 to 0.25 times of the shaft bore dia and its depth is the 0.5 to 0.8 of local width
Times, and two keyways are symmetrically disposed on the shaft hole two sides；
The iron core has the slot arranged at V-type, and the every two pieces permanent magnets being placed in the V-groove constitute a magnetic
Pole；
The mouse cage conducting bar is equipped in the mouse cage conducting bar slot；Between the shaft hole and the mouse cage conducting bar slot,
Additional mouse cage conducting bar is arranged in the iron core；The mouse cage conducting bar is connected with the additional mouse cage conducting bar each by end ring, respectively
Form first set mouse cage and additional mouse cage.
Further, the iron core is along the circumferential direction uniformly provided with the additional mouse cage conducting bar.
Further, the additional mouse cage conducting bar is circular copper rod or circular cast aluminium conducting bar.
Further, the end ring of the end ring of the first set mouse cage and the additional mouse cage links together.
Further, the mouse cage conducting bar slot includes upper cage slot, lower cage slot and link slot, the mouse cage conducting bar packet
Include upper cage conducting bar and lower cage conducting bar；
Link slot is equipped between the upper cage slot and lower cage slot；The upper cage is equipped in the upper cage slot to lead
Item, the lower cage slot is interior to be equipped with the lower cage conducting bar.
Further, the upper cage slot inner wall is equipped with several supporting lugs；
The supporting lug end and the upper cage conducting bar contradict.
Further, the upper cage slot is oval, the minor axis length of the upper cage slot and the upper cage conducting bar
Diameter length it is identical.
Further, the lower cage slot is equipped with the extension resistance surface contradicted for the lower cage conducting bar.
Further, the permanent magnet is Nd-Fe-B permanent magnet.
Another aspect according to the present utility model, provides motor, the rotor provided including above-mentioned technical proposal.
Rotor according to the present utility model, including the iron core as made of several silicon steel plate stackings, shaft, mouse cage conducting bar with
And permanent magnet, the iron core are equipped with shaft hole and corresponding keyway in its center, the iron core is along the circumferential direction uniformly provided with
Mouse cage conducting bar slot corresponding with the mouse cage conducting bar；The shaft by the shaft hole pass through the iron core, and with the key
Slot cooperation, wherein the keyway is two, and the width of the keyway is 0.1 to 0.25 times and its depth of the shaft bore dia
Degree is 0.5 to 0.8 times of local width, and two keyways are symmetrically disposed on the shaft hole two sides；The iron core has
At the slot that V-type arranges, the every two pieces permanent magnets being placed in the V-groove constitute a magnetic pole；In the mouse cage conducting bar slot
Equipped with the mouse cage conducting bar；Between the shaft hole and the mouse cage conducting bar slot, additional mouse cage conducting bar is arranged in the iron core；
The mouse cage conducting bar is connected with the additional mouse cage conducting bar each by end ring, is respectively formed first set mouse cage and additional mouse cage；
For the rotor, in motor starting process, when motor slip is larger, changes of magnetic field frequency is big in rotor, due to collecting skin
The influence of effect adds not generate providing the current component of induction torque in mouse cage, and only first set mouse cage works, and generates different
Walk starting torque；After slip reduces to a certain extent, two sets of mouse cage collective effects are until spinner velocity reaches synchronous speed；It is additional
Mouse cage only just generates induction torque in the lesser situation of rotor slip, therefore has no effect on the starting torque of motor, still
Additional mouse cage is closer apart from permanent magnet, and with the variation of flux density in permanent magnet, the electric current induced in additional mouse cage will inhibit forever
The variation of magnet flux density, to improve the reliability of permanent magnet.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of rotor provided by the embodiment of the utility model；
Fig. 2 is the installation status diagram of rotor provided by the embodiment of the utility model；
Fig. 3 is enlarged drawing of the Fig. 2 at A；
Fig. 4 is the relational graph of the iron loss and flux density of silicon steel sheet in rotor provided by the embodiment of the utility model.
Icon: 10- iron core；101- shaft hole；102- keyway；20- shaft；30- mouse cage conducting bar；301- upper cage conducting bar；
302- lower cage conducting bar；40- permanent magnet；50- mouse cage conducting bar slot；501- upper cage slot；5011- supporting lug；502- lower cage
Slot；503- link slot；60- adds mouse cage conducting bar.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Iron core optional factor according to the present utility model is more.Claim according to the present utility model can be combined into more
Kind embodiment, therefore the technical solution that claim combinations according to the present utility model go out is in the protection model of the utility model
Within enclosing.The utility model top base frame construction is further described through below in conjunction with specific embodiments.
Fig. 1 is the structural schematic diagram of rotor provided by the embodiment of the utility model；Fig. 2 provides for the utility model embodiment
Rotor installation status diagram；Fig. 3 is enlarged drawing of the Fig. 2 at A.
Embodiment 1
One aspect according to the present utility model provides rotor, and as shown in Figure 1 and Figure 2, Fig. 1 is that the utility model is real
The structural schematic diagram of the rotor of example offer is provided；Fig. 2 is the installation status diagram of rotor provided by the embodiment of the utility model；Including by
Iron core 10, shaft 20 made of several silicon steel plate stackings, mouse cage conducting bar 30 and permanent magnet 40, iron core 10 are set in its center
There are shaft hole 101 and corresponding keyway 102, iron core 10 to be along the circumferential direction uniformly provided with mouse cage corresponding with mouse cage conducting bar 30 and lead
Bar groove 50；
Shaft 20 passes through iron core 10 by shaft hole 101, and cooperates with keyway 102, wherein keyway 102 is two, key
The width of slot 102 is 0.1 to 0.25 times of 101 diameter of shaft hole and its depth is 0.5 to 0.8 times of local width, and two
Keyway 102 is symmetrically disposed on 101 two sides of shaft hole；
Iron core 10 has the slot arranged at V-type, and the every two pieces permanent magnets 40 being placed in V-groove constitute a magnetic pole；
Mouse cage conducting bar 30 is equipped in mouse cage conducting bar slot 50；Between shaft hole 101 and mouse cage conducting bar slot 50, iron core 10
Additional mouse cage conducting bar 60 is set；Mouse cage conducting bar 30 is connected with additional mouse cage conducting bar 60 each by end ring, is respectively formed first set
Mouse cage and additional mouse cage.
Rotor according to the present utility model, for the rotor, in motor starting process, when motor slip is larger,
Changes of magnetic field frequency is big in rotor, due to the influence of kelvin effect, does not generate in additional mouse cage and provides the electric current point of induction torque
Amount, only first set mouse cage work, and generate asynchronous starting torque；After slip reduces to a certain extent, two sets of mouse cages are common
Effect is until spinner velocity reaches synchronous speed；Additional mouse cage only just generates induction torque in the lesser situation of rotor slip,
Therefore the starting torque of motor is had no effect on, but additional mouse cage is relatively close apart from permanent magnet 40, with flux density in permanent magnet 40
Variation adds the electric current induced in mouse cage, will inhibit the variation of 40 flux density of permanent magnet, to improve the reliable of permanent magnet 40
Property；
In the rotor, including two keyways 102, two 102 sizes of keyway are in above-mentioned numberical range, two keyways
102 be symmetrical arranged can preferably transmit torque, motor reversal be can effectively share stress concentrate the phenomenon that；
Preferably, iron core 10 is along the circumferential direction uniformly provided with additional mouse cage conducting bar 60.
Wherein, adding mouse cage conducting bar 60 is circular copper rod or circular cast aluminium conducting bar；
Permanent magnet 40 is Nd-Fe-B permanent magnet, and Nd-Fe-B permanent magnet is very hard and crisp, the neodymium iron boron manufactured with mull technique
Precision is high, magnetic property is splendid, good corrosion resistance, temperature stability are good, effectively raises magnetic field magnetic force, and improve use
Service life；
It should be noted that for the silicon steel sheet in iron core, silicon steel sheet be using conventional silicon-steel finished sheet material as raw material,
Precision cold-rolled is carried out after surface treated makes its performance reach necessary requirement to thickness 0.05-0.20mm, then by annealing,
It finally applies insulating layer and is sintered, become the silicon steel sheet in the iron core；
Above-mentioned silicon steel sheet includes: three kinds of orientation silicon steel and the super iron core of orientation silicon steel, high silicon, wherein No yield point strip in razor-thin
Specific thickness has 0.20,0.15,0.10,0.05mm etc.；The orientation specific thickness of strip in razor-thin has 0.20,0.18,0.15,0.10,
0.08,0.05,0.04,0.03mm etc.；The specific thickness of the high super iron core of silicon is 0.20,0.10mm.
As shown in figure 4, B represent be the utility model silicon steel sheet, what C was represented is the prior art with a thickness of 0.2mm
Silicon steel sheet, what D was represented is the silicon steel sheet of the prior art with a thickness of 0.35mm, and what E was represented is with a thickness of the existing of 0.5mm
The silicon steel sheet of technology；
As shown in Figure 4, in the case where identical magnetic density, the iron loss of the silicon steel sheet of the utility model is smaller.
According to a kind of embodiment of the utility model rotor, the end ring of first set mouse cage is connected with the end ring of additional mouse cage
Together.
It, can for the connection type of first set mouse cage and additional mouse cage in the rotor according to this practical novel rotor
Are as follows: mouse cage conducting bar 30 is connected with additional mouse cage conducting bar 60 each by end ring, is respectively formed the first set mouse cage of rotor and is added
Mouse cage.Together with first set mouse cage also can connect with the end ring of additional mouse cage, a set of end ring is shared.
According to a kind of embodiment of the utility model rotor, as shown in FIG. 2 and 3, Fig. 2 is the utility model implementation
The installation status diagram for the rotor that example provides；Fig. 3 is enlarged drawing of the Fig. 2 at A.Mouse cage conducting bar slot includes upper cage slot 501, lower mouse
Cage slot 502 and link slot 503, mouse cage conducting bar 30 include upper cage conducting bar 301 and lower cage conducting bar 302；
Link slot 503 is equipped between upper cage slot 501 and lower cage slot 502；Upper cage conducting bar is equipped in upper cage slot 501
301, lower cage slot 502 is interior to be equipped with lower cage conducting bar 302.
According to this practical novel rotor, for the rotor, mouse cage conducting bar slot 50 includes upper cage slot 501, lower mouse
Cage slot 502 and link slot 503, mouse cage conducting bar 30 include upper cage conducting bar 301 and lower cage conducting bar 302；Wherein, upper mouse
It is equipped with upper cage conducting bar 301 in cage slot 501, is equipped with lower cage conducting bar 302 in lower cage slot 502, upper cage slot 501 passes through connection
Slot 503 is connected to form mouse cage conducting bar slot 50 with lower cage slot 502.
According to a kind of embodiment of the utility model rotor, as shown in FIG. 2 and 3, Fig. 2 is the utility model implementation
The installation status diagram for the rotor that example provides；Fig. 3 is enlarged drawing of the Fig. 2 at A.It is convex that upper cage slot inner wall is equipped with several supports
Block 5011；
5011 end of supporting lug and upper cage conducting bar 301 contradict.
Rotor according to the present utility model, in the present embodiment, 501 inner wall of upper cage slot are equipped with several supporting lugs
5011；5011 end of supporting lug and upper cage conducting bar 301 contradict, and upper cage conducting bar 301 can effectively be fixed on upper cage slot
In 501, have centainly since upper cage conducting bar 301 receives the support of supporting lug 5011, and between supporting lug 5011
Gap is completely bonded to effectively avoid upper cage conducting bar 301 with upper cage slot 501, thus in the mistake of rotation
Cheng Zhong, wind energy effectively passes through to be flowed among the gap that supporting lug 5011 generates, so as to effectively take away upper cage
The heat that conducting bar 301 generates improves the service life used to effectively avoid the excessively high caused deformation of temperature.
According to a kind of embodiment of the utility model rotor, upper cage slot 501 is oval, upper cage slot 501 it is short
Shaft length is identical as the diameter length of upper cage conducting bar 301.
Rotor according to the present utility model, in the present embodiment, upper cage slot 501 are oval, upper cage slot 501 it is short
Shaft length is identical as the diameter length of upper cage conducting bar 301, and mouse cage conducting bar is remote far from 10 center side of iron core and upper cage slot 501
It is contradicted from 10 central lateral plane of iron core, so that the centrifugal force that upper cage conducting bar 301 generates acts directly on 501 side wall of upper cage slot
On, effectively avoiding makes supporting lug 5011 generate extrusion deformation after generating centrifugal force, effective to improve supporting lug 5011
Service life.
According to a kind of embodiment of the utility model rotor, lower cage slot 502 is equipped with and contradicts for lower cage conducting bar 302
Extend resistance surface.
Rotor according to the present utility model, in the present embodiment, lower cage slot 502 are equipped with far from 10 side of iron core and supply lower mouse
The extension resistance surface that cage conducting bar 302 contradicts, lower cage conducting bar 302 contradicts on extending resistance surface, to effectively raise down
Contact area of the mouse cage conducting bar 302 far from 10 center of iron core, after effectively avoiding the generation centrifugal force of lower cage conducting bar 302
Link slot 503 is caused to generate extrusion deformation after squeezing 502 side of lower cage slot.
Embodiment 2
In the embodiment that above-described embodiment is for rotor, the rotor of the utility model may be used in motor, existing V
When type rotor structure is applied in motor, magnetic circuit is easy to happen distortion, and the demagnetization magnetic potential is caused largely to act on part permanent magnetism
The part of body 40, in starting process, permanent magnet 40 is easy to happen local loss of excitation, and gradually deteriorates until permanent magnet 40 all loses
Magnetic, so that the reliability of permanent magnet 40 reduces, still, using the transformer of the utility model embodiment iron core 10, iron core 10 is set
There is an additional mouse cage conducting bar 60, in motor starting process, when motor slip is larger, changes of magnetic field frequency is big in rotor, due to collection
The influence of skin effect adds not generate providing the current component of induction torque in mouse cage, and only first set mouse cage works, and generates
Asynchronous starting torque；After slip reduces to a certain extent, two sets of mouse cage collective effects are until spinner velocity reaches synchronous speed；It is attached
Add mouse cage only just to generate induction torque in the lesser situation of rotor slip, therefore has no effect on the starting torque of motor, but
It is that additional mouse cage is relatively close apart from permanent magnet 40, with the variation of flux density in permanent magnet 40, the electric current induced in additional mouse cage will
The variation for inhibiting 40 flux density of permanent magnet, so that the reliability of permanent magnet 40 is improved, to improve the reliability and efficiency of motor.
Using the motor of the utility model embodiment rotor, mouse cage conducting bar slot 50 include upper cage slot 501, lower cage slot with
And link slot 503, mouse cage conducting bar include upper cage conducting bar 301 and lower cage conducting bar 302；Upper cage slot 501 and lower cage slot
Link slot 503 is equipped between 502；It is equipped with upper cage conducting bar 301 in upper cage slot 501, is led in lower cage slot 502 equipped with lower cage
Item 302；Wherein, 501 inner wall of upper cage slot is equipped with several supporting lugs 5011；It is led with upper cage 5011 end of supporting lug
Item 301 contradicts；Upper cage conducting bar 301 can be effectively fixed in upper cage slot 501, since upper cage conducting bar 301 receives branch
The support of convex block 5011 is supportted, and there is certain gap between supporting lug 5011, to effectively avoid upper cage conducting bar
301 are completely bonded with upper cage slot 501, so that in the course of rotation, wind energy effectively passes through supporting lug 5011
It is flowed among the gap of generation, so as to effectively take away the heat of the generation of upper cage conducting bar 301, to effectively avoid
Deformation, improves the service life used caused by temperature is excessively high.
Using the motor of the utility model embodiment rotor, upper cage slot 501 is oval, the short axle of upper cage slot 501
Length is identical as the diameter length of upper cage conducting bar 301, and mouse cage conducting bar is remote far from 10 center side of iron core and upper cage slot 501
It is contradicted from 10 central lateral plane of iron core, so that the centrifugal force that upper cage conducting bar 301 generates acts directly on 501 side wall of upper cage slot
On, effectively avoiding makes supporting lug 5011 generate extrusion deformation after generating centrifugal force, effective to improve supporting lug 5011
Service life.
Using the motor of the utility model embodiment rotor, lower cage slot 502 is equipped with and contradicts for lower cage conducting bar 302
Extend resistance surface effectively to keep away to effectively raise contact area of the lower cage conducting bar 302 far from 10 center of iron core
Exempted from lower cage conducting bar 302 generate centrifugal force after squeeze 502 side of lower cage slot after cause link slot 503 generate extrusion deformation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although utility model is described in detail referring to foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. rotor, which is characterized in that including the iron core as made of several silicon steel plate stackings, shaft, mouse cage conducting bar and permanent magnetism
Body, the iron core are equipped with shaft hole and corresponding keyway in its center, the iron core be along the circumferential direction uniformly provided with it is described
The corresponding mouse cage conducting bar slot of mouse cage conducting bar；
The shaft passes through the iron core by the shaft hole, and cooperates with the keyway, wherein and the keyway is two,
The width of the keyway is 0.1 to 0.25 times of the shaft bore dia and its depth is 0.5 to 0.8 times of local width, and
Two keyways are symmetrically disposed on the shaft hole two sides；
The iron core has the slot arranged at V-type, and the every two pieces permanent magnets being placed in the V-groove constitute a magnetic pole；
The mouse cage conducting bar is equipped in the mouse cage conducting bar slot；It is described between the shaft hole and the mouse cage conducting bar slot
Additional mouse cage conducting bar is arranged in iron core；The mouse cage conducting bar is connected with the additional mouse cage conducting bar each by end ring, is respectively formed
First set mouse cage and additional mouse cage.
2. rotor according to claim 1, which is characterized in that the iron core is along the circumferential direction uniformly provided with the additional mouse
Cage conducting bar.
3. rotor according to claim 1, which is characterized in that the additional mouse cage conducting bar is circular copper rod or circle
Cast aluminium conducting bar.
4. rotor according to claim 1, which is characterized in that the end ring of the first set mouse cage and the additional mouse cage
End ring links together.
5. rotor according to claim 1, which is characterized in that the mouse cage conducting bar slot includes upper cage slot, lower cage slot
And link slot, the mouse cage conducting bar include upper cage conducting bar and lower cage conducting bar；
Link slot is equipped between the upper cage slot and lower cage slot；The upper cage conducting bar, institute are equipped in the upper cage slot
It states and is equipped with the lower cage conducting bar in lower cage slot.
6. rotor according to claim 5, which is characterized in that it is convex that the upper cage slot inner wall is equipped with several supports
Block；
The supporting lug end and the upper cage conducting bar contradict.
7. rotor according to claim 5, which is characterized in that the upper cage slot is oval, the upper cage slot
Minor axis length is identical as the diameter length of the upper cage conducting bar.
8. rotor according to claim 5, which is characterized in that the lower cage slot is equipped with to be contradicted for the lower cage conducting bar
Extension resistance surface.
9. rotor according to claim 1, which is characterized in that the permanent magnet is Nd-Fe-B permanent magnet.
10. motor, which is characterized in that including the described in any item rotors of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017513.3U CN208423965U (en) | 2018-06-27 | 2018-06-27 | rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017513.3U CN208423965U (en) | 2018-06-27 | 2018-06-27 | rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423965U true CN208423965U (en) | 2019-01-22 |
Family
ID=65107372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017513.3U Expired - Fee Related CN208423965U (en) | 2018-06-27 | 2018-06-27 | rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208423965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
| CN114362466A (en) * | 2021-12-06 | 2022-04-15 | 中车永济电机有限公司 | Rotor structure of asynchronous starting permanent magnet synchronous motor |
-
2018
- 2018-06-27 CN CN201821017513.3U patent/CN208423965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
| CN114362466A (en) * | 2021-12-06 | 2022-04-15 | 中车永济电机有限公司 | Rotor structure of asynchronous starting permanent magnet synchronous motor |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |