CN207021789U - A kind of motor and its rotor disk - Google Patents
A kind of motor and its rotor disk Download PDFInfo
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- CN207021789U CN207021789U CN201720622059.3U CN201720622059U CN207021789U CN 207021789 U CN207021789 U CN 207021789U CN 201720622059 U CN201720622059 U CN 201720622059U CN 207021789 U CN207021789 U CN 207021789U
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- face
- rotor disk
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- flat thin
- housing
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Abstract
The utility model provides a kind of motor and its rotor disk, belong to field of vehicles, with housing, there is main shaft, the first stator, the second stator and rotor disk in the housing, the main shaft is connected on housing through the middle part of the rotor disk and both ends by bearing element, the rotor disk has first end face and second end face, some flat thin magnets are respectively and fixedly provided with the first end face and the second end face, first stator is relative with the first end face of the rotor disk, and second stator is relative with the second end face of the rotor disk.The motor that the utility model is obtained by above-mentioned design, two end faces of the rotor disk that motor uses all have flat thin magnet, eddy-current loss is smaller, the magnetic circuit of coil will not interfere, reduce the possibility of magnet heating, avoid magnet from demagnetizing, and need to only increase the thickness of rotor disk, increased cost very little when needing and increasing rotary inertia.
Description
Technical field
Technical field of transportation means is the utility model is related to, in particular to a kind of motor and its rotor disk.
Background technology
The rotor disk that current precursor motor uses runs through the structure of whole rotor disk using magnet, due to armature-reaction magnetic
Field is that great-jump-forward rotates in armature circumference, has relative motion with rotor, the permanent magnet and yoke portion for making rotor necessarily lead to sense
It should be vortexed, particularly concentratred winding fractional-slot motor, obvious eddy current loss is very likely produced in its permanent magnet.This is due to
The armature reaction MMF (MMF) of concentratred winding fractional-slot motor includes abundant space harmonics, the MMF forwardly and rearwardly rotated
Harmonic wave rotor permanent magnet and rear of core produce vortex, such case also because phase current sometimes m-Acetyl chlorophosphonazo and further plus
It is acute.Because rare-earth magnet resistivity is relatively low, resulting eddy current loss may be very big, causes temperature to rise, or even lead
Cause part permanent magnet that irreversible demagnetization occurs.Such case may hair particularly in high rotating speed, high number of poles or high load motor
It is raw, it can not be ignored.In addition, precursor motor generally requires to increase the rotary inertia of rotor in some specific use environments, this
Just need to increase the thickness of whole rotor disk, and then need to increase the dosage of permanent magnet, considerably increase the manufacturing cost of motor.
Utility model content
The utility model provides a kind of rotor disk, it is intended to solves eddy-current loss mistake existing for rotor disk in the prior art
Greatly, the problem of permanent magnet temperature is too high, makes permanent magnet that irreversible demagnetization occur, and required cost is excessive during increase rotary inertia.
The utility model additionally provides a kind of motor, it is intended to solves the eddy-current loss of rotor existing for motor in the prior art
Excessive, permanent magnet temperature is too high, and required cost is excessive when making permanent magnet that irreversible demagnetization occur, and increasing rotary inertia asks
Topic.
A kind of technical scheme of the present utility model is：A kind of rotor disk, its improvement are：With first end face and the second end
Some flat thin magnets are respectively and fixedly provided with face, the first end face and the second end face.
In the above-mentioned technical solutions, the flat thin magnet is annularly arranged in the outer of the first end face and the second end face
Week.
In the above-mentioned technical solutions, the periphery of the first end face and the second end face has annular retaining ring.
In the above-mentioned technical solutions, the flat thin magnet is fixedly connected on the first end face and second end by screw
On face and/or the flat thin magnet is bonded in the first end face and the second end face.
Another technical solution of the present utility model is：A kind of motor, there is housing, its improvement is：In the housing
With main shaft, the first stator, the second stator and rotor disk, first stator and second stator are each attached on housing,
The main shaft is connected on housing through the middle part of the rotor disk and both ends by bearing element, and the rotor disk has first
Be respectively and fixedly provided with some flat thin magnets in end face and second end face, the first end face and the second end face, first stator with
The first end face of the rotor disk is relative, and second stator is relative with the second end face of the rotor disk.
In the above-mentioned technical solutions, the flat thin magnet is annularly arranged in the outer of the first end face and the second end face
Week.
In the above-mentioned technical solutions, the housing includes body and end cap, and the end cap is fixedly connected on the body,
First stator is fixedly connected on body, and second stator is fixedly connected on end cap.
In the above-mentioned technical solutions, housing is stretched out in one end of the main shaft, and fan is housed on the other end of the main shaft.
In the above-mentioned technical solutions, the periphery of the first end face and the second end face has annular retaining ring.
In the above-mentioned technical solutions, the flat thin magnet is fixedly connected on the first end face and second end by screw
On face and/or the flat thin magnet is bonded in the first end face and the second end face.
The beneficial effects of the utility model are：The rotor disk that the utility model is obtained by above-mentioned design, the two of rotor disk
Individual end face all has flat thin magnet, and the magnetic circuit of coil will not interfere, and eddy-current loss is smaller, reduces the possibility of magnet heating
Property, avoid magnet from demagnetizing, and need to only increase the thickness of rotor disk when needing and increasing rotary inertia, increased cost is very
It is small.
The motor that the utility model is obtained by above-mentioned design, two end faces of the rotor disk that motor uses all have magnet
Piece, the magnetic circuit of coil will not interfere, and eddy-current loss is smaller, reduce the possibility of magnet heating, avoid magnet from moving back
Magnetic, and need to only increase the thickness of rotor disk, increased cost very little when needing and increasing rotary inertia.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it will be appreciated that and the following drawings illustrate only some embodiments of the present utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of motor in the utility model；
Fig. 2 is the schematic front view of motor in the utility model；
Fig. 3 is the main view schematic cross-sectional view of motor in the utility model；
Fig. 4 is the schematic front view of rotor disk frame main shaft in the utility model；
Fig. 5 is Fig. 4 left view schematic diagram.
Icon：100- housings；110- bodies；120- end caps；200- main shafts；210- fans；The stators of 300- first；400-
Two stators；500- rotor disks；510- first end faces；520- second end faces；530- flat thin magnets；540- annular retaining rings；550- screws.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in new, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the utility model protection.Therefore, the implementation of the present utility model to providing in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of of the present utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing
Shown orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With new limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is special second
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Highly it is less than second feature.
Embodiment one.
A kind of rotor disk 500, refers to Fig. 3~5, has first end face 510 and second end face 520, the He of first end face 510
Some flat thin magnets 530 are respectively and fixedly provided with second end face 520.
Referring to Fig. 5, flat thin magnet 530 is annularly arranged in the periphery of first end face 510 and second end face 520.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Embodiment two.
A kind of rotor disk 500, refers to Fig. 3~5, has first end face 510 and second end face 520, the He of first end face 510
Some flat thin magnets 530 are respectively and fixedly provided with second end face 520.
The periphery of first end face 510 and second end face 520 has annular retaining ring 540, and annular retaining ring 540 offsets to flat thin magnet
530 serve certain spacing and fixation.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Embodiment three.
A kind of motor, there is housing 100, refer to Fig. 1~5, there is main shaft 200, the first stator 300, the in housing 100
Two stators 400 and rotor disk 500, main shaft 200 are connected to housing through the middle part of rotor disk 500 and both ends by bearing element
On 100, rotor disk 500 has first end face 510 and second end face 520, is fixed in first end face 510 and second end face 520
There are some flat thin magnets 530, the first stator 300 is relative with the first end face 510 of rotor disk 500, the second stator 400 and rotor disk
500 second end face 520 is relative.
Fig. 3,4,5 are referred to, flat thin magnet 530 is fixedly connected on first end face 510 and second end face 520 by screw 550
Upper and/or flat thin magnet 550 is bonded in first end face 510 and second end face 520, can be passed through flat thin magnet 530 during practical operation
Glue reuses screw 550 after being bonded in first end face 510 and second end face 520 and fixes flat thin magnet 530, such flat thin magnet
530 fixation is more firm.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Example IV.
A kind of motor, there is housing 100, refer to Fig. 1~5, there is main shaft 200, the first stator 300, the in housing 100
Two stators 400 and rotor disk 500, main shaft 200 are connected to housing through the middle part of rotor disk 500 and both ends by bearing element
On 100, rotor disk 500 has first end face 510 and second end face 520, is fixed in first end face 510 and second end face 520
There are some flat thin magnets 530, the first stator 300 is relative with the first end face 510 of rotor disk 500, the second stator 400 and rotor disk
500 second end face 520 is relative.
Referring to Fig. 5, flat thin magnet 530 is annularly arranged in the periphery of first end face 510 and second end face 520.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Embodiment five.
A kind of motor, there is housing 100, refer to Fig. 1~5, there is main shaft 200, the first stator 300, the in housing 100
Two stators 400 and rotor disk 500, main shaft 200 are connected to housing through the middle part of rotor disk 500 and both ends by bearing element
On 100, rotor disk 500 has first end face 510 and second end face 520, is fixed in first end face 510 and second end face 520
There are some flat thin magnets 530, the first stator 300 is relative with the first end face 510 of rotor disk 500, the second stator 400 and rotor disk
500 second end face 520 is relative.
Referring to Fig. 3, housing 100 includes body 110 and end cap 120, end cap 120 is fixedly connected on body 110, first
Stator 300 is fixedly connected on body 110, and the second stator 400 is fixedly connected on end cap 120.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Embodiment six.
A kind of motor, there is housing 100, refer to Fig. 1~5, there is main shaft 200, the first stator 300, the in housing 100
Two stators 400 and rotor disk 500, main shaft 200 are connected to housing through the middle part of rotor disk 500 and both ends by bearing element
On 100, rotor disk 500 has first end face 510 and second end face 520, is fixed in first end face 510 and second end face 520
There are some flat thin magnets 530, the first stator 300 is relative with the first end face 510 of rotor disk 500, the second stator 400 and rotor disk
500 second end face 520 is relative.
Referring to Fig. 3, housing 100 is stretched out in one end of main shaft 200, fan 210 is housed on the other end of main shaft 200.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Embodiment seven
A kind of motor, refers to Fig. 1~5, has a housing 100, has main shaft 200, the first stator 300, the in housing 100
Two stators 400 and rotor disk 500, main shaft 200 are erected on housing 100 through the middle part of rotor disk 500 and both ends, rotor disk
500 have first end face 510 and second end face 520, and some flat thin magnets are respectively and fixedly provided with first end face 510 and second end face 520
530, the first stator 300 is relative with the first end face 510 of rotor disk 500, the second end face of the second stator 400 and rotor disk 500
520 is relative.
The periphery of first end face 510 and second end face 520 has annular retaining ring 540, flat thin magnet 530 and annular retaining ring 540
Offset, annular retaining ring 540, which offsets, serves certain spacing and fixation to flat thin magnet 530.
Fig. 3,4,5 are referred to, flat thin magnet 530 is fixedly connected on first end face 510 and second end face 520 by screw 550
Upper and/or flat thin magnet 550 is bonded in first end face 510 and second end face 520, can be passed through flat thin magnet 530 during practical operation
Glue reuses screw 550 after being bonded in first end face 510 and second end face 520 and fixes flat thin magnet 530, such flat thin magnet
530 fixation is more firm.
Referring to Fig. 3, the stator 300 of first end face 510 and first of the utility model rotor disk 500 when in use is relative,
The stator 400 of second end face 520 and second of rotor disk 500 is relative, first end face 510 and second end face 520 when main shaft 200 rotates
On flat thin magnet 530 can produce point magnetic circuit or interfere, reduce flat thin magnet 530 in vortex, reduce flat thin magnet 530 temperature
Degree, avoid flat thin magnet 530 that demagnetization phenomenon occurs.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for
For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former
Within then, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (9)
- A kind of 1. rotor disk, it is characterised in that：With first end face and second end face, the first end face and the second end face On be respectively and fixedly provided with some flat thin magnets, the flat thin magnet is annularly arranged in the periphery of the first end face and the second end face.
- 2. rotor disk according to claim 1, it is characterised in that：The periphery of the first end face and the second end face has There is annular retaining ring.
- 3. rotor disk according to claim 1, it is characterised in that：The flat thin magnet is fixedly connected on described by screw On end face and the second end face and/or the flat thin magnet is bonded in the first end face and the second end face.
- 4. a kind of motor, there is housing, it is characterised in that：There is main shaft, the first stator, the second stator and rotor in the housing Disk, first stator and second stator are each attached on housing, and the main shaft passes through the middle part and two of the rotor disk End is connected on housing by bearing element, and the rotor disk has first end face and second end face, the first end face and institute State and some flat thin magnets are respectively and fixedly provided with second end face, first stator is relative with the first end face of the rotor disk, institute It is relative with the second end face of the rotor disk to state the second stator.
- 5. motor according to claim 4, it is characterised in that：The flat thin magnet be annularly arranged in the first end face and The periphery of the second end face.
- 6. motor according to claim 4, it is characterised in that：The housing includes body and end cap, and the end cap is fixed On the body, first stator is fixedly connected on body, and second stator is fixedly connected on end cap for connection.
- 7. motor according to claim 4, it is characterised in that：Housing is stretched out in one end of the main shaft, the main shaft it is another Fan is housed on one end.
- 8. motor according to claim 4, it is characterised in that：The periphery of the first end face and the second end face has Annular retaining ring.
- 9. motor according to claim 8, it is characterised in that：The flat thin magnet is fixedly connected on described first by screw On end face and the second end face and/or the flat thin magnet is bonded in the first end face and the second end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622059.3U CN207021789U (en) | 2017-05-31 | 2017-05-31 | A kind of motor and its rotor disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622059.3U CN207021789U (en) | 2017-05-31 | 2017-05-31 | A kind of motor and its rotor disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021789U true CN207021789U (en) | 2018-02-16 |
Family
ID=61476248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622059.3U Active CN207021789U (en) | 2017-05-31 | 2017-05-31 | A kind of motor and its rotor disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143163A1 (en) * | 2020-01-13 | 2021-07-22 | 上海盘毂动力科技股份有限公司 | Magnetic steel positioning structure, motor, and installation tooling for magnetic steel positioning structure |
-
2017
- 2017-05-31 CN CN201720622059.3U patent/CN207021789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143163A1 (en) * | 2020-01-13 | 2021-07-22 | 上海盘毂动力科技股份有限公司 | Magnetic steel positioning structure, motor, and installation tooling for magnetic steel positioning structure |
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