CN208904784U - A kind of rotor core and the motor with it - Google Patents
A kind of rotor core and the motor with it Download PDFInfo
- Publication number
- CN208904784U CN208904784U CN201821494831.9U CN201821494831U CN208904784U CN 208904784 U CN208904784 U CN 208904784U CN 201821494831 U CN201821494831 U CN 201821494831U CN 208904784 U CN208904784 U CN 208904784U
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- magnetic
- elastic component
- slot
- motor
- rotor core
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 197
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000002955 isolation Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 abstract description 15
- 230000008859 change Effects 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to motor fields, and in particular to a kind of rotor core and with its motor, including rotor body, the rotor body is at least provided with a magnetic slot；The magnetic slot setting magnetic conduction elastic component and non-magnetic elastic component；Face between the magnetic slot both ends on the outside of the rotor body is outside wall surface；Magnetic slot face corresponding with the outer wall is inner wall, the non-magnetic elastic component is arranged in the outside wall surface, the magnetic conduction elastic component is arranged on the inner wall, when rotor core rotation, it can change position of the magnet steel in magnetic slot by magnetic conduction elastic component and non-magnetic elastic component, to adjust rotor core magnetic flux.
Description
Technical field
The utility model relates to motor fields, in particular to a kind of rotor core and with its motor.
Background technique
With technological progress, permanent magnet synchronous motor is more and more because own advantages use in the manufacturing；Existing permanent magnetism
Motor since permanent magnet magnetic kinetic potential is fixed, main flux can not adjusting size as needed, motor operating range is narrow, speed adjustable range by
It is small to obtain magnetic flux for limit when low speed is run.
Utility model content
The purpose of this utility model is to provide a kind of rotor cores can pass through magnetic conduction when rotor core rotation
Elastic component and non-magnetic elastic component change position of the magnet steel in magnetic slot, to adjust rotor core magnetic flux.
This practical novel another object is to provide a kind of motor, is able to solve that electric machine speed regulation range is limited to ask
Topic, under different operating conditions, motor adjusts the size of itself main magnetic flux as needed, improves electric efficiency.
The embodiments of the present invention are achieved in that
A kind of rotor core, including rotor body, the rotor body are provided at least one magnetic slot；
Magnetic conduction elastic component and non-magnetic elastic component are provided in the magnetic slot；
Face between the magnetic slot both ends and on the outside of the rotor body is outside wall surface, the magnetic slot with it is described
The opposite face of outside wall surface is inner wall；
The non-magnetic elastic component is arranged in the outside wall surface, and the magnetic conduction elastic component is arranged on the inner wall.
Preferably, magnet steel is provided in above-mentioned magnetic slot, the magnet steel is arranged in the non-magnetic elastic component and magnetic conduction bullet
Between property part；Further, the magnetic conduction elastic component and the non-magnetic elastic component clamp the magnet steel.
Preferably, above-mentioned magnetic slot is arranged on the axial end face of the rotor body.
Preferably, above-mentioned magnetic slot is provided with multiple, and multiple magnetic slots are using rotor body center as centers of circle such as the centers of circle
Angle distribution.
Preferably, the both ends of above-mentioned magnetic slot are respectively arranged with the magnet isolation tank being connected to the magnetic slot.
The both ends of magnet steel are connected to magnet isolation tank, and there are two mutually contradictory faces for the tool between magnetic slot both ends, close to rotor sheet
The face of external side is outside wall surface, and the another side opposite with outside wall surface is inner wall.
A kind of motor, including above-mentioned rotor core, the motor further include stator, the stator be provided with winding coil and
Rotor shaft hatch, the rotor core are rotatably provided in the inner ring of the stator, when motor low frequency rotation, the magnetic
Steel squeezes the non-magnetic elastic component and towards the movement of the outside wall surface of the magnetic slot, described when the motor high frequency rotational
Magnet steel squeezes the magnetic conduction elastic component and moves towards the inner wall of the magnetic slot.
It should be understood that magnetic conduction elastic component refers to the higher material of magnetic conductivity；Non-magnetic elastic component refers to leading for material
Magnetic rate is lower, and the magnetic permeability of magnetic conduction elastic component close to electric machine iron core magnetic permeability or is higher than electric machine iron core magnetic permeability, non-magnetic elasticity
The magnetic permeability of part is close to air-gap magnetic permeability or is lower than air-gap magnetic permeability.
The beneficial effect of the utility model embodiment is:
Rotor body can according to itself position of the rotational speed regulation magnet steel in magnetic slot, magnet steel and magnetic slot inner wall and
The change of outside wall surface distance controls the change of rotor flux, magnetic circuit and magnetic resistance.
Rotor body is at least provided with a magnetic slot；There are magnet steel, magnetic conduction elastic component and non-magnetic bullet in magnetic slot setting
Property part；Magnetic conduction elastic component and non-magnetic elastic component squeeze magnet steel in the opposite two sides of magnet steel, and magnet steel is more stable in magnetic slot,
The side that magnet steel is squeezed magnetic slot by rotor body centrifugal force is arranged in non-magnetic elastic component, and magnetic conduction elastic component is relative to non-magnetic
The other side of magnetic slot is arranged in part.
A kind of motor can adjust the size of main magnetic flux under different operating conditions as needed；When motor is in low-frequency operation
When, magnet steel squeezes non-magnetic elastic component and to the movement of the outside of magnetic slot, and non-magnetic elastic component is squeezed by magnet steel, and thickness reduces,
Main magnetic circuit magnetic resistance is small, and magnet steel generation magnetic flux is big, and motor material utilization rate is high, and efficiency is high；
When the operation of motor high frequency, the effect of stator current direct-axis component is degaussing, and stressed magnetic steel is mobile simultaneously towards inner wall
Magnetic conduction elastic component is squeezed, non-magnetic elastic component thickness increases, and main magnetic circuit magnetic resistance increases, and permanent magnet generates magnetic flux and reduces, to control
Device weak magnetic requires to reduce, and weak magnetoelectricity stream reduces, and motor speed adjustable extent increases, the automatic control of the magnetic circuit, magnetic resistance of rotor core
Variation is adjusted, motor oscillating and noise are also reduced.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the partial enlarged view of the utility model embodiment Fig. 1；
Fig. 3 is that the utility model embodiment stator and rotor core cooperate schematic diagram.
Icon: 1- rotor body；2- magnetic slot；3- magnet isolation tank；The non-magnetic elastic component of 4-；5- magnetic conduction elastic component；
6- magnet steel；7- stator.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
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" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
It please refers to shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment provides a kind of rotor core, including rotor body 1, rotor sheets
For body 1 at least provided with a magnetic slot 2, magnetic slot 2 is arranged magnetic conduction elastic component 5 and non-magnetic elastic component 4,2 both ends of magnetic slot it
Between close to the face in the outside of rotor body 1 be outside wall surface, the face corresponding with outer wall of magnetic slot 2 is inner wall, and non-magnetic elastic component 4 is set
It sets in outside wall surface, magnetic conduction elastic component 5 is arranged on inner wall, and magnet steel 6, non-magnetic elasticity and magnetic conduction are provided in magnetic slot 2
Elastic component 5 squeezes magnet steel 6 respectively, and magnetic slot 2 is arranged on the axial end face of rotor body 1, when magnetic slot 2 be provided with it is multiple
When, multiple magnetic slots 2 are distributed by central angles such as the centers of circle of 1 center of rotor body, are additionally provided on the axial end face of magnetic slot 2 more
A magnet isolation tank 3 matched with magnetic slot 2.
The axial end face of rotor body 1 is provided with magnetic slot 2, and non-magnetic elastic component is provided in the outside wall surface of magnetic slot 2
4, magnetic conduction elastic component 5 is provided on the inner wall of magnetic slot 2, magnet steel 6 is arranged in magnetic slot 2, magnetic conduction elastic component 5 and non-magnetic
Elastic component 4 squeeze magnet steel 6, magnet steel 6 is stabilized in magnetic slot 2, when rotor body 1 is fixed, non-magnetic 4 thickness of elastic component or
Distance of the person's magnet steel 6 apart from outside wall surface is d1, and the thickness or magnet steel 6 of magnetic conduction elastic component 5 are apart from 2 inner wall distance of magnetic slot
D2, when rotor body 1 rotates, magnet steel 6 squeezes non-magnetic elastic component 4 under the action of 1 centrifugal force of rotor body and to magnet steel
The outside wall surface of slot 2 is mobile, while d1 reduces, and d2 increases.
A kind of motor, including above-mentioned rotor core, motor further include stator 7, and stator 7 is provided with winding coil and armature spindle
Hole, rotor core are rotatably provided in the inner ring of stator 7, and when the rotation of motor low frequency, magnet steel 6 squeezes non-magnetic elastic component 4
And it is mobile towards 1 outside wall surface of rotor body, when motor high frequency rotational, magnet steel 6 squeezes magnetic conduction elastic component 5 and towards rotor body
1 inner wall is mobile.
Structural principle: a kind of motor, motor stator 7, stator 7 are provided with winding coil and rotor shaft hatch, and rotor core can
It is rotatably arranged in 7 inner ring of stator, rotor core includes rotor body 1, and magnet steel 6 is placed in magnetic slot 2, and magnet steel 6 is less than magnet steel
Slot 2, the both ends of magnetic slot 2 are communicated with magnet isolation tank 3, and the face in close 1 outside of rotor body is outside wall surface between 2 both ends of magnetic slot,
Non-magnetic elastic component 4 is arranged in outside wall surface, and magnetic conduction elastic component 5 is arranged on inner wall relative to non-magnetic elastic component 4, magnet steel
6 are arranged between inner wall and outside wall surface, and non-magnetic elastic component 4 and magnetic conduction elastic component 5 squeeze magnet steel 6；When motor low frequency rotates
When, it is to increase magnetic that 7 electric current direct-axis component of motor stator, which generates magnetic fields, and the magnet steel 6 in magnetic slot 2 is poly- because rotor core magnetic circuit
Magnetic action, the outside wall surface towards magnetic slot 2 is mobile, and magnet steel 6 squeezes non-magnetic elastic component 4, and the thickness d 1 of non-magnetic elastic component 4 subtracts
Small, the thickness d 2 of magnetic conduction elastic component 5 increases, and the magnetic circuit reluctance of motor reduces, and magnetic flux increases；When motor high frequency rotational, stator 7
The effect of electric current direct-axis component is degaussing, and magnet steel 6 is moved by the magneticaction for being greater than centrifugal force towards 3 inner wall of magnet isolation tank, magnetic
The outside wall surface of steel 6 and magnet isolation tank 3 distance increases, and non-magnetic 4 thickness d 1 of elastic component increases, and the thickness d 2 of magnetic conduction elastic component 5 reduces,
Motor main flux magnetic circuit reluctance increases, and identical magnetic potential magnet steel 6 generates magnetic flux and becomes smaller, and motor energy efficiency improves, motor speed is adjustable model
Enclose expansion；While motor speed adjustable extent expands, by magnetic conduction elastic component 5 and non-magnetic elastic component 4, magnetic circuit reluctance
Automatic control adjusts variation, advantageously reduces noise and vibration when motor operation.
Embodiment 2
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment provides a kind of motor, motor includes rotor core, and motor further includes
Stator 7, stator 7 are provided with winding coil and rotor shaft hatch, and rotor core is rotatably provided in the inner ring of stator 7, rotor iron
Core includes rotor body 1, and the magnetic slot 2 there are four rectangle is arranged in the central angles such as axial end face of rotor body 1, magnetic slot 2
Both ends are provided with the magnet isolation tank 3 being connected to magnetic slot 2, and the face in nearly 1 outside of rotor body of magnetic slot 2 is outside wall surface, magnetic slot 2 with
The opposite side of outside wall surface is inner wall, is pasted with non-magnetic elastic component 4 in outside wall surface, is pasted with magnetic conduction elastic component on inner wall
5, magnet steel 6 is placed in magnetic slot 2, and non-magnetic elastic component 4 and magnetic conduction elastic component 5 squeeze magnet steel 6, and magnet steel 6 is stabilized in magnetic slot 2
Interior, the axial end face of rotor body 1 is additionally provided with through-hole, and the axis of through-hole is overlapped with the axis of rotor body 1, works as rotor core
When fixed, magnet steel 6 is d1 apart from 2 outside wall surface of magnetic slot distance, and distance of the magnet steel 6 apart from inner wall is d2；
When the rotation of motor low frequency, it is to increase magnetic that 7 electric current direct-axis component of motor stator, which generates magnetic fields, because rotor magnetic circuit is set
The magnet accumulating cap of meter, magnet steel 6 is mobile towards outside wall surface in magnetic slot 2, and magnet steel 6 squeezes non-magnetic elastic component 4, and d1 reduces, d2
Increase, so that entire magnetic circuit reluctance reduces, magnetic flux increases, and d-axis increases magnetic effect and strengthened；
When motor operation frequency is high, the effect of 7 electric current direct-axis component of stator is degaussing, at this point, 6 stress of magnet steel will be far from magnetic
The outside wall surface of steel tank 2, magnet steel 6 squeeze magnetic conduction elastic component 5, and d1 increases, and d2 reduces, and motor main flux magnetic circuit reluctance increases, identical
In the case where magnetic potential, magnet steel 6 generates smaller magnetic flux, and d-axis weak magnetic effect is strengthened；Motor energy efficiency improves, so that motor speed
Adjustable extent increases；By magnetic conduction elastic component 5 and non-magnetic elastic component 4, the automatic control of magnetic circuit reluctance adjusts variation, is conducive to drop
Noise and vibration when low motor operation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of rotor core, which is characterized in that including rotor body (1), the rotor body (1) is provided at least one magnetic
Steel tank (2)；
Magnetic conduction elastic component (5) and non-magnetic elastic component (4) are provided in the magnetic slot (2)；
Face between magnetic slot (2) both ends and on the outside of the rotor body (1) is outside wall surface, the magnetic slot (2)
The face opposite with the outside wall surface is inner wall；
The non-magnetic elastic component (4) is arranged in the outside wall surface, and the magnetic conduction elastic component (5) is arranged in the inner wall
On.
2. rotor core according to claim 1, which is characterized in that it is provided with magnet steel (6) in the magnetic slot (2), it is described
Magnet steel (6) is arranged between the non-magnetic elastic component (4) and magnetic conduction elastic component (5).
3. rotor core according to claim 1, which is characterized in that the magnetic slot (2) is arranged in the rotor body
(1) axial end face.
4. rotor core according to claim 1, which is characterized in that the magnetic slot (2) be provided with it is multiple, it is multiple described
Magnetic slot (2) is distributed by central angles such as the centers of circle of rotor body (1) center.
5. rotor core according to claim 1, which is characterized in that the both ends of the magnetic slot (2) be respectively arranged with
The magnet isolation tank (3) of magnetic slot (2) connection.
6. a kind of motor, which is characterized in that rotor core described in any one of packet claim 1-5.
7. motor according to claim 6, which is characterized in that the motor further includes stator (7), and the stator (7) sets
It is equipped with winding coil and rotor shaft hatch, the rotor core is rotatably provided in the inner ring of the stator (7).
8. motor according to claim 7, which is characterized in that when motor low frequency rotation, the magnet steel (6) is squeezed
The non-magnetic elastic component (4) is simultaneously mobile towards the magnetic slot (2) outside wall surface, when the motor high frequency rotational, the magnetic
Steel (6) the extruding magnetic conduction elastic component (5) is simultaneously mobile towards the inner wall of the magnetic slot (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494831.9U CN208904784U (en) | 2018-09-12 | 2018-09-12 | A kind of rotor core and the motor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494831.9U CN208904784U (en) | 2018-09-12 | 2018-09-12 | A kind of rotor core and the motor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904784U true CN208904784U (en) | 2019-05-24 |
Family
ID=66572239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821494831.9U Withdrawn - After Issue CN208904784U (en) | 2018-09-12 | 2018-09-12 | A kind of rotor core and the motor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038897A (en) * | 2018-09-12 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of rotor core and the motor with it |
-
2018
- 2018-09-12 CN CN201821494831.9U patent/CN208904784U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038897A (en) * | 2018-09-12 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of rotor core and the motor with it |
| CN109038897B (en) * | 2018-09-12 | 2024-05-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core and motor with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190524 Effective date of abandoning: 20240507 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190524 Effective date of abandoning: 20240507 |