CN208674991U - A kind of disk rotor structure and disc type electric machine - Google Patents
A kind of disk rotor structure and disc type electric machine Download PDFInfo
- Publication number
- CN208674991U CN208674991U CN201821420542.4U CN201821420542U CN208674991U CN 208674991 U CN208674991 U CN 208674991U CN 201821420542 U CN201821420542 U CN 201821420542U CN 208674991 U CN208674991 U CN 208674991U
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- magnet steel
- rotor structure
- disk rotor
- back iron
- field spider
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Abstract
The utility model discloses a kind of disk rotor structure and disc type electric machines, including back iron, magnet steel, rotor field spider and support component, wherein the back iron is fixed on inside the rotor field spider；The magnet steel and the back iron are affixed the inside that support component described in merga pass is fixed on the rotor field spider.The back iron in the utility model is fixed on inside the rotor field spider；The magnet steel and the back iron are affixed the inside that support component described in merga pass is fixed on the rotor field spider.In the disk rotor structure of the utility model, back iron passes through on self structure rotor field spider, magnet steel is fixed on rotor field spider by support component, compared with prior art, the fixation of the fixation of back iron and rotor field spider and support component and rotor field spider, its fixation position is relatively stable, and consistency and reliability increase, so that mass is suitble to generate.
Description
Technical field
The utility model relates to technical field of motors, more specifically to a kind of disk rotor structure and disc type electricity
Machine.
Background technique
Radial magnetic field motor and motor in axial magnetic field (being also disc type electric machine) are two technology branches of motor field.Mesh
Before, disc type electric machine is due to having many advantages, such as higher iron core utilization, bigger power density and higher torque density, extensively
The general occasion for being applied to have motor volume and weight strict demand.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of disk rotor provided by the prior art；
The disk rotor structure includes back iron 100 and magnet steel 200, wherein magnet steel 200 passes through the braiding winding of carbon fiber 300
It is fixed on back iron 100.Due to the winding process using carbon fiber 300, in 300 winding process of carbon fiber, due to winding position
Uncontrollable, consistency and reliability are poor, are unsuitable for producing in enormous quantities.
Therefore, the consistency and reliability for how improving disk rotor structure, it is urgently to be resolved to become those skilled in the art
The technical issues of.
Utility model content
In view of this, technical problem to be solved in the utility model be how to improve disk rotor structure consistency and
Reliability, for this purpose, the utility model provides a kind of disk rotor structure and disc type electric machine.
To achieve the above object, the utility model provides the following technical solutions:
A kind of disk rotor structure, including back iron, magnet steel, rotor field spider and support component, wherein the back iron is fixed
Inside the rotor field spider；The magnet steel and the back iron are affixed support component described in merga pass and are fixed on the rotor branch
The inside of frame.
Preferably, in above-mentioned disk rotor structure, the back iron includes tooth, slot and yoke, the tooth and the slot interval
Arrangement, the yoke are located at the behind of the tooth and the slot.
Preferably, in above-mentioned disk rotor structure, the back iron is silicon steel sheet made of winding or whole magnetic conduction iron
Core.
Preferably, in above-mentioned disk rotor structure, the rotor field spider includes:
Bracket fixture portions；
Position the bracket maintaining part of the outer peripheral surface of the magnet steel；And
The support spoke extended from the bracket maintaining part to the bracket fixture portions, the support spoke are located at the slot
In, rack ventilating hole is formed between the adjacent support spoke, the rack ventilating hole is matched with the tooth.
Preferably, in above-mentioned disk rotor structure, the support component includes:
The support portion being fixed on the bracket fixture portions；And
From the support portion to the supporting rib radially extended, the magnet steel is provided between the adjacent supporting rib.
Preferably, in above-mentioned disk rotor structure, the support component further includes being arranged in the support portion far from institute
The support buckle on the end face of rotor field spider is stated, the clamping portion matched with the support buckle is provided on the magnet steel.
Preferably, in above-mentioned disk rotor structure, the magnet steel and the groove location face.
Preferably, in above-mentioned disk rotor structure, the quantity of the quantity of the magnet steel, the tooth and the slot is equal.
Preferably, in above-mentioned disk rotor structure, the magnet steel is arranged along being radially segmented.
The invention also discloses a kind of disc type electric machines, including the disk rotor structure as described in any one of above-mentioned.
It can be seen from the above technical scheme that the back iron in the utility model is fixed in the rotor field spider
Portion；The magnet steel and the back iron are affixed the inside that support component described in merga pass is fixed on the rotor field spider.This is practical
In novel disk rotor structure, back iron is by the way that on self structure rotor field spider, magnet steel is fixed on rotor branch by support component
On frame, compared with prior art, the fixation of back iron and rotor field spider and the fixation of support component and rotor field spider, fixed bit
Set relatively stable, consistency and reliability increase, so that mass is suitble to generate.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of partial structural diagram of disk rotor structure provided by the prior art；
Fig. 2 is a kind of schematic perspective view of disk rotor structure provided by the utility model embodiment；
Fig. 3 is a kind of configuration schematic diagram of disk rotor structure provided by the utility model embodiment；
Fig. 4 is the structural schematic diagram of back iron provided by the utility model embodiment；
Fig. 5 is the structural schematic diagram of rotor field spider provided by the utility model embodiment；
Fig. 6 is the structural schematic diagram of support component provided by the utility model embodiment；
Fig. 7 is the structural schematic diagram of magnet steel provided by the utility model embodiment.
Wherein, 100 it is back iron, 200 be magnet steel, 300 be carbon fiber, 400 be rotor field spider, 500 is support component, 101
It is slot for tooth, 102,103 be yoke, 201 be clamping portion, 401 be bracket maintaining part, 402 be bracket fixture portions, 403 is bracket spoke
Item, 404 be rack ventilating hole, 501 be support portion, 502 be supporting rib, 503 be support buckle.
Specific embodiment
Disc type electric machine: disc type electric machine is also motor in axial magnetic field, and the direction in the magnetic field inside motor is axially.By
It is generally all presented in motor in axial magnetic field flat, therefore is also disc type electric machine.
D-axis inductance: in the d-q coordinate system of motor (d axis and q axis are the coordinate systems established on rotor, this
Coordinate system and rotor rotate synchronously, and taking rotor field direction is d axis, are q axis perpendicular to rotor field direction), phase winding is in d axis
Inductance on direction.
Axis inductor: in the d-q coordinate system of motor (d axis and q axis are the coordinate systems established on rotor, this
Coordinate system and rotor rotate synchronously, and taking rotor field direction is d axis, are q axis perpendicular to rotor field direction), phase winding is in q axis
Inductance on direction.
For this purpose, the core of the utility model is to provide a kind of disk rotor structure and disc type electric machine, to improve disc type
The consistency and reliability of rotor structure.
In addition, embodiments illustrated below does not play any restriction effect to utility model content documented by claim.
In addition, the full content of composition represented by following example is not limited to the solution as utility model documented by claim
Necessary to scheme.
Fig. 1 to Fig. 7 is please referred to, disk rotor structure disclosed in the utility model embodiment, including back iron 100, magnetic
Steel 200, rotor field spider 400 and support component 500, wherein back iron 100 is fixed on inside rotor field spider 400；Magnet steel 200 with
Back iron 100 is affixed the inside that merga pass support component 500 is fixed on rotor field spider 400.
In the disk rotor structure of the utility model, back iron 100 is by the way that on self structure rotor field spider 400, magnet steel 200 is logical
Support component 500 is crossed to be fixed on rotor field spider 400, compared with prior art, the fixation of back iron 100 and rotor field spider 400 with
And the fixation of support component 500 and rotor field spider 400, fixation position is relatively stable, and consistency and reliability are mentioned
Height, so that mass is suitble to generate.
It can be realized there are many kinds of the structures that back iron 100 is fixed on rotor field spider 400, the utility model specifically introduces it
Middle one kind:
As shown in figure 4, back iron 100 includes tooth 101, slot 102 and yoke 103, tooth 101 and slot in the utility model embodiment
102 arranged for interval, yoke 103 are located at the behind of tooth 101 and slot 102.
The effect of yoke 103 is the access to form magnetic field between magnetic pole and magnetic pole.The number of tooth 101 and slot 102 on back iron 100
Amount can be equal to disk rotor structure on all magnet steel 200 quantity, or less or greater than.In the utility model embodiment
In be preferably equal to.When the quantity of tooth 101 and slot 102 is equal to the quantity of all magnet steel 200 in disk rotor structure on back iron 100
When, every magnet steel 200 faces each slot 102 on back iron 100 and is arranged.As shown in Figure 7.It is connected across magnet steel 200 respectively
The tooth of two sides can form the field shunting access of every magnet steel 200, and magnetic field is directed to yoke 103.
Back iron 100 is process for permeability magnetic material, such as: back iron 100 is silicon steel sheet made of winding or whole magnetic conduction
Iron core.
In another embodiment of the utility model, magnet steel 200 is arranged along being radially segmented, and the segmentation of magnet steel 200 is used to reduce magnetic
The eddy-current loss of steel 200.
Since the right opposite in every magnet steel 200 has notching construction, the d axis magnetic circuit and q axis magnetic circuit of rotor be not right
Claim, d axle inductance < q axle inductance, according to formula:
Tem=p [ψfiq+(Ld-Lq)idiq]
In formula, p is motor number of pole-pairs, ΨfFor rotor flux, idFor d shaft current, iqFor q shaft current.
Therefore, will increase in the torque of motor above-mentioned formula latter half reluctance torque component (first half be forever
Magnet torque component).To increase the torque density of motor.In addition to this, in motor weak magnetic, due to needing to increase d-axis electricity
Flow component id, therefore in this configuration, the idCurrent component is also same to generate reluctance torque component other than weak magnetic.The rotor
Dish structure can change symmetrical feature (the d-axis inductance L of traditional 200 disk type electric motor rotor magnetic circuit of most of surface-mount type magnet steeld
=axis inductor Lq), so that Ld<Lq, increase the reluctance torque component of motor, improve the torque density of motor, while improving motor
Weak magnetic property in high velocity.
In order to improve the intensity of rotor field spider 400, rotor field spider 400 is answered by high strength alloy material or high strength fibre
Condensation material is fabricated, and a kind of specific structure of rotor field spider 400 is specifically introduced in the utility model embodiment, referring to Fig. 5,
The rotor field spider 400 includes: bracket fixture portions 402；The bracket maintaining part 401 of the outer peripheral surface of positioning magnetic steel 200；And it props up certainly
The support spoke 403 that frame maintaining part 401 extends to bracket fixture portions 402, support spoke 403 are located in slot 102, adjacent bracket
Rack ventilating hole 404 is formed between spoke 403, rack ventilating hole 404 is matched with tooth 101.
Since support spoke 403 is embedded in the slot 102 of back iron 100, support spoke 403 is by back iron 100 and magnet steel
200 are surrounded.There is huge magnetic attraction between magnet steel 200 and back iron 100, structure can be made firm.Rack ventilating hole 404 is used
Place the tooth 101 of back iron 100, bracket fixture portions 402 are used to that rotor and shaft is bolted.Bracket maintaining part 401 is used
The excircle of magnet steel 200 is fixed, for resisting rotor assembly generated centrifugal force when rotating at high speed.
It can be realized there are many kinds of the structures for supporting and fixing magnet steel 200, specifically introduced wherein in the utility model embodiment
One kind, referring to Fig. 6, the support component 500 includes: the support portion 501 being fixed on bracket fixture portions 402；And self-supporting
Portion 501 is provided with magnet steel 200 between adjacent supporting rib 502 to the supporting rib 502 radially extended.Back iron 100 and rotor field spider
After 400 install, magnet steel 200 is fixed on rotor field spider 400 by support component 500.Wherein, support component 500 is logical
Bolt is crossed to be fixed on the bracket fixture portions 402 of rotor field spider 400.502 one side of supporting rib is used to magnet steel 200 in circumference
It is positioned on direction, on the other hand is used to bear the tangential torque of part magnet steel 200.
Magnet steel 200 is fixed between adjacent supporting rib 502 by interference fit, alternatively, in the utility model embodiment
Magnet steel 200 is fixed between adjacent supporting rib 502 by setting support buckle 503, support buckle 503 can be set
On supporting rib 502, it can also be arranged on support portion 501.The utility model embodiment preferably exists 503 setting of support buckle
Support buckle 503 on end face of the support portion 501 far from rotor field spider 400, and be provided on magnet steel 200 and support buckle 503
The clamping portion 201 matched.
The invention also discloses a kind of disc type electric machines, including the disk rotor structure as described in any one of above-mentioned.
Since above-mentioned disk rotor structure has the advantages that above, the disc type electric machine including above-mentioned disk rotor structure also has corresponding effect
Fruit, details are not described herein again.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of disk rotor structure, which is characterized in that including back iron, magnet steel, rotor field spider and support component, wherein institute
Back iron is stated to be fixed on inside the rotor field spider；The magnet steel is affixed support component described in merga pass with the back iron and is fixed on
The inside of the rotor field spider.
2. disk rotor structure as described in claim 1, which is characterized in that the back iron includes tooth, slot and yoke, the tooth and
The slot arranged for interval, the yoke are located at the behind of the tooth and the slot.
3. disk rotor structure as claimed in claim 2, which is characterized in that the back iron be winding made of silicon steel sheet or
Whole conducting magnet core.
4. disk rotor structure as claimed in claim 2, which is characterized in that the rotor field spider includes:
Bracket fixture portions；
Position the bracket maintaining part of the outer peripheral surface of the magnet steel；And
The support spoke extended from the bracket maintaining part to the bracket fixture portions, the support spoke are located in the slot,
Rack ventilating hole is formed between the adjacent support spoke, the rack ventilating hole is matched with the tooth.
5. disk rotor structure as claimed in claim 3, which is characterized in that the support component includes:
The support portion being fixed on the bracket fixture portions；And
From the support portion to the supporting rib radially extended, the magnet steel is provided between the adjacent supporting rib.
6. disk rotor structure as claimed in claim 5, which is characterized in that the support component further includes being arranged in the branch
Support on end face of the support part far from the rotor field spider buckles, and is provided on the magnet steel and supports buckle to match with described
Clamping portion.
7. disk rotor structure as claimed in claim 6, which is characterized in that the magnet steel and the groove location face.
8. disk rotor structure as claimed in claim 7, which is characterized in that the quantity of the magnet steel, the tooth and the slot
Quantity it is equal.
9. such as disk rotor structure described in any item of the claim 1 to 8, which is characterized in that the magnet steel is along radial point
Section setting.
10. a kind of disc type electric machine, which is characterized in that including disk rotor structure as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420542.4U CN208674991U (en) | 2018-08-31 | 2018-08-31 | A kind of disk rotor structure and disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420542.4U CN208674991U (en) | 2018-08-31 | 2018-08-31 | A kind of disk rotor structure and disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674991U true CN208674991U (en) | 2019-03-29 |
Family
ID=65840752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821420542.4U Active CN208674991U (en) | 2018-08-31 | 2018-08-31 | A kind of disk rotor structure and disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208674991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038894A (en) * | 2018-08-31 | 2018-12-18 | 核心驱动科技（金华）有限公司 | A kind of disk rotor structure and disc type electric machine |
| CN113131631A (en) * | 2021-05-07 | 2021-07-16 | 山东理工大学 | Driving motor of electric automobile |
-
2018
- 2018-08-31 CN CN201821420542.4U patent/CN208674991U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038894A (en) * | 2018-08-31 | 2018-12-18 | 核心驱动科技（金华）有限公司 | A kind of disk rotor structure and disc type electric machine |
| CN109038894B (en) * | 2018-08-31 | 2020-07-03 | 浙江盘毂动力科技有限公司 | Disc type rotor structure and disc type motor |
| CN113131631A (en) * | 2021-05-07 | 2021-07-16 | 山东理工大学 | Driving motor of electric automobile |
| CN113131631B (en) * | 2021-05-07 | 2022-11-25 | 山东理工大学 | Driving motor of electric automobile |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee before: Core drive technology (Jinhua) Co., Ltd. |