CN108900056A - A kind of disc type core structure and disc type electric machine - Google Patents
A kind of disc type core structure and disc type electric machine Download PDFInfo
- Publication number
- CN108900056A CN108900056A CN201811008332.9A CN201811008332A CN108900056A CN 108900056 A CN108900056 A CN 108900056A CN 201811008332 A CN201811008332 A CN 201811008332A CN 108900056 A CN108900056 A CN 108900056A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- disc type
- slot
- inductive block
- core structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001939 inductive effect Effects 0.000 claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 3
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229910000889 permalloy Inorganic materials 0.000 claims description 3
- 238000009702 powder compression Methods 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
- H02K3/487—Slot-closing devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of disc type core structure and disc type electric machines, including Wound core and magnetic inductive block, structure setting has multiple slots on the end face of the Wound core, and card has the magnetic inductive block at the notch of each slot, and semi-open slot is collectively formed with the corresponding magnetic inductive block in each slot.Using in the disc type iron core in the present invention, elder generation is offline into slot, and then magnetic inductive block is mounted at notch, and magnetic inductive block and slot form semi-open slot.Therefore, the disc type core structure in the present invention not only has the magnetic property of semi-open slot, also has the advantages that facilitate offline.
Description
Technical field
The present invention relates to technical field of motors, more specifically to a kind of disc type core structure and disc type electric machine.
Background technique
Disc type electric machine is due to excellent with higher iron core utilization, bigger power density and higher torque density etc.
Point is widely used in the occasion for having strict demand to motor volume and weight.
Currently, most of disc type iron core of disc type electric machine is manufactured using the technique of punching press, winding to silicon steel sheet.Disc type
Iron core is similar with conventional radial magnetic field motor for offline groove profile, there is open slot, semi-open slot and closed slot.Wherein, silent
Slot structure seldom uses in the core；It is offline easy that the slot structure that is open has, but motor electromagnetic performance is poor, and the air gap of motor is humorous
Wave increases, and leads to biggish cogging torque and torque pulsation, increases the loss of motor, reduces the performance and efficiency of motor；It is half-open
Mouth slot structure, electromagnetic performance is preferable, but the offline difficulty of the groove profile increases, it is difficult to using flat type copper wire or made of flat type copper wire
Formed coil.
Therefore, how while improving electromagnetic performance offline difficulty is reduced, it is urgently to be resolved becomes those skilled in the art
The technical issues of.
Summary of the invention
In view of this, the technical problem to be solved by the present invention is to how while improving electromagnetic performance reduce offline difficulty
Degree, for this purpose, the present invention provides a kind of disc type core structure and disc type electric machines.
To achieve the above object, the present invention provides the following technical solutions：
A kind of disc type core structure, including Wound core and magnetic inductive block are provided on the end face of the Wound core multiple
Slot, card has the magnetic inductive block at the notch of each slot, and each slot is collectively formed half-open with the corresponding magnetic inductive block
Mouth slot.
Preferably, in above-mentioned disc type core structure, the Wound core 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, and the position opposite with notch of each tooth is provided with embedding
Slot, the magnetic inductive block are inserted into the caulking groove.
Preferably, in above-mentioned disc type core structure, the caulking groove includes be oppositely arranged on the tooth two sides first embedding
Slot and the second caulking groove.
Preferably, in above-mentioned disc type core structure, the magnetic inductive block includes the first magnetic-conductance portion and second being oppositely arranged
Magnetic-conductance portion, and the interconnecting piece of connection first magnetic-conductance portion and second magnetic-conductance portion, the inside of first magnetic-conductance portion are embedding
Enter into first caulking groove, is embedded on the inside of second magnetic-conductance portion in second caulking groove.
Preferably, it in above-mentioned disc type core structure, is provided on the inside of first magnetic-conductance portion and is embedded in described first
The first embedded division in caulking groove, the outside of first magnetic-conductance portion are the first half notches to form the semi-open slot；Described
The second embedded division being embedded in second caulking groove is provided on the inside of two magnetic-conductance portions, the outside of second magnetic-conductance portion is shape
At the second half notches of the semi-open slot.
Preferably, in above-mentioned disc type core structure, each slot is corresponding, and there are two magnetic inductive blocks in magnetic inductive block
The second half notches in the first half notches and two magnetic inductive blocks in another magnetic inductive block.
Preferably, in above-mentioned disc type core structure, the magnetic inductive block is inserted into from the inside of the Wound core, Mei Gesuo
The first half notches and the second half notches for stating the two sides of half channel opening are parallel to each other.
Preferably, in above-mentioned disc type core structure, the magnetic inductive block is by high magnetic conduction iron powder compression moulding.
Preferably, in above-mentioned disc type core structure, the Wound core passes through silicon steel sheet, amorphous alloy, permalloy
Either ferrocobalt band is made by way of mould punching winding or wire cutting.
The invention also discloses a kind of disc type electric machines, including the disc type core structure as described in any one of above-mentioned.
It can be seen from the above technical scheme that using in the disc type core structure in the present invention, it is first offline into slot, so
Magnetic inductive block is mounted at notch afterwards, and magnetic inductive block and slot form semi-open slot.Therefore, the present invention in disc type core structure not
Only with the magnetic property of semi-open slot, also have the advantages that facilitate offline.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic perspective view of disc type core structure provided by the embodiment of the present invention；
Fig. 2 is the schematic perspective view of Wound core structure provided by the embodiment of the present invention；
Fig. 3 is the schematic perspective view of magnetic inductive block provided by the embodiment of the present invention.
Wherein, 100 be Wound core, 200 be magnetic inductive block, 101 be tooth, 102 be slot, 103 be yoke, 104 be the first caulking groove,
105 for the second caulking groove, 201 be the first magnetic-conductance portion, 202 be the second magnetic-conductance portion, 203 be interconnecting piece, 2011 be the first embedded division,
2012 for the first half notches, 2021 it is the second embedded division, 2022 is the second half notches.
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.
For this purpose, core of the invention is to provide a kind of disc type core structure and disc type electric machine, to improve electromagnetically
Offline difficulty is reduced while energy.
In addition, embodiments illustrated below does not play any restriction effect to the invention described in the claims content.In addition,
The full content of composition represented by following example is not limited to must as the solution of the invention described in the claims
It needs.
It please refers to Fig.1 to Fig.3, disc type core structure disclosed in the embodiment of the present invention, including Wound core 100 and magnetic conduction
Block 200 is provided with multiple slots 102 on the end face of Wound core 100, and card has magnetic inductive block 200 at the notch of each slot 102, each
Semi-open slot is collectively formed with corresponding magnetic inductive block 200 in slot 102.
Using in the disc type core structure in the present invention, elder generation is offline into slot 102, and magnetic inductive block 200 is then mounted on slot
At mouthful, and magnetic inductive block 200 and slot form semi-open slot.Therefore, the disc type core structure in the present invention not only has semi-open slot
Magnetic property, also have the advantages that facilitate offline.
Referring to Fig. 2, Wound core 100 is passed through by silicon steel sheet, amorphous alloy, permalloy or ferrocobalt band
Mould punching winding or the mode of wire cutting are made.The Wound core 100 includes tooth 101, slot 102 and yoke 103, tooth 101
With 102 arranged for interval of slot, yoke 103 is located at the behind of tooth 101 and slot 102, and the position opposite with notch of each tooth 101 is provided with
Caulking groove, magnetic inductive block 200 are inserted into caulking groove.
Setting on a caulking groove or each tooth 101 is provided on each tooth 101, and there are two caulking grooves, when there are two embedding for setting
When slot, caulking groove includes the first caulking groove 104 and the second caulking groove 105 for being oppositely arranged on 101 two sides of tooth.First caulking groove 104 and second
Caulking groove 105 is respectively for insertion into magnetic inductive block 200.
Referring to Fig. 3, magnetic inductive block 200 is SMC by high magnetic conduction iron powder compression moulding, such as high magnetic conduction iron powder.Magnetic inductive block 200
Including the first magnetic-conductance portion 201 and the second magnetic-conductance portion 202 being oppositely arranged, and the first magnetic-conductance portion 201 of connection and the second magnetic-conductance portion
202 interconnecting piece 203, the inside of the first magnetic-conductance portion 201 are embedded in the first caulking groove 104, the inside insertion of the second magnetic-conductance portion 202
Into the second caulking groove 105.That is, the magnetic inductive block 200 in the embodiment of the present invention forms U-shaped structure.Block on each tooth 101
There is a magnetic inductive block 200, the part-structure there are two magnetic inductive block 200 is corresponded on each slot.
In order to improve the stability of magnetic inductive block 200, the inside of the first magnetic-conductance portion 201, which is provided with, is embedded in the first caulking groove 104
In the first embedded division 2011, the outside of the first magnetic-conductance portion 201 is the first half notches 2012 to form semi-open slot；Second magnetic conduction
The inside in portion 202 is provided with the second embedded division 2021 being embedded in the second caulking groove 105, and the outside of the second magnetic-conductance portion 202 is shape
At the second half notches 2022 of semi-open slot.
In embodiments of the present invention, the first caulking groove 104 is V-structure, corresponding first embedded division 2011 be with it is first embedding
The V-structure that slot 104 fits；Similarly, the second caulking groove 105 is V-structure, corresponding second embedded division 2021 be with it is second embedding
The V-structure that slot 105 fits.
In embodiments of the present invention, corresponding there are two the first half of magnetic inductive block 200 in magnetic inductive block 200 for each slot 102
The second half notches 2022 in notch 2012 and two magnetic inductive blocks 200 in another magnetic inductive block 200.
In order to further increase the electromagnetic performance of the disc type core structure, magnetic inductive block 200 is inserted into from the inside of Wound core,
The first half notches 2012 of the two sides of each half channel opening and the second half notches 2022 are parallel to each other.
The invention also discloses a kind of disc type electric machines, including the disc type core structure as described in any one of above-mentioned.Due to
Above-mentioned disc type core structure has the advantages that above, and the disc type electric machine including above-mentioned disc type core structure also has corresponding effect,
Details are not described herein again.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of disc type core structure, which is characterized in that including Wound core and magnetic inductive block, set on the end face of the Wound core
Multiple slots are equipped with, card has the magnetic inductive block at the notch of each slot, and each slot and the corresponding magnetic inductive block are common
Form semi-open slot.
2. disc type core structure as described in claim 1, which is characterized in that the Wound core includes tooth, slot and yoke, described
Tooth and the slot arranged for interval, the yoke are located at the behind of the tooth and the slot, the position opposite with notch of each tooth
It installs and is equipped with caulking groove, the magnetic inductive block is inserted into the caulking groove.
3. disc type core structure as claimed in claim 2, which is characterized in that the caulking groove includes being oppositely arranged on the tooth two
The first caulking groove and the second caulking groove of side.
4. disc type core structure as claimed in claim 3, which is characterized in that the magnetic inductive block includes that first be oppositely arranged is led
Magnetic portion and the second magnetic-conductance portion, and the interconnecting piece of connection first magnetic-conductance portion and second magnetic-conductance portion, first magnetic conduction
It is embedded in first caulking groove, is embedded on the inside of second magnetic-conductance portion in second caulking groove on the inside of portion.
5. disc type core structure as claimed in claim 4, which is characterized in that be provided with insertion on the inside of first magnetic-conductance portion
To the first embedded division in first caulking groove, the outside of first magnetic-conductance portion is the first half slots to form the semi-open slot
Mouthful；The second embedded division being embedded in second caulking groove, second magnetic-conductance portion are provided on the inside of second magnetic-conductance portion
Outside be the second half notches to form the semi-open slot.
6. disc type core structure as claimed in claim 5, which is characterized in that each slot is corresponding, and there are two in magnetic inductive block one
The second half notches in the first half notches of a magnetic inductive block and two magnetic inductive blocks in another magnetic inductive block.
7. disc type core structure as claimed in claim 6, which is characterized in that the magnetic inductive block is from the inside of the Wound core
Insertion, the first half notches of the two sides of each half channel opening and the second half notches are parallel to each other.
8. the disc type core structure as described in any one of claims 1 to 7, which is characterized in that the magnetic inductive block is by high magnetic conduction
Iron powder compression moulding.
9. the disc type core structure as described in any one of claims 1 to 7, which is characterized in that the Wound core passes through silicon
Steel disc, amorphous alloy, permalloy or ferrocobalt band are made by way of mould punching winding or wire cutting.
10. a kind of disc type electric machine, which is characterized in that including disc type core structure as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008332.9A CN108900056B (en) | 2018-08-31 | 2018-08-31 | Disc type iron core structure and disc type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008332.9A CN108900056B (en) | 2018-08-31 | 2018-08-31 | Disc type iron core structure and disc type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108900056A true CN108900056A (en) | 2018-11-27 |
| CN108900056B CN108900056B (en) | 2020-10-27 |
Family
ID=64359899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811008332.9A Active CN108900056B (en) | 2018-08-31 | 2018-08-31 | Disc type iron core structure and disc type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108900056B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421897A (en) * | 2020-08-19 | 2021-02-26 | 沈阳工业大学 | Manufacturing method of stator core of yoke-free segmented armature axial flux motor |
| CN113937915A (en) * | 2021-09-09 | 2022-01-14 | 北京交通大学 | Axial magnetic flux stator core made of composite material |
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| CN204205739U (en) * | 2014-09-05 | 2015-03-11 | 常州高尔登科技有限公司 | The stator module of disc type electric machine |
| CN105553126A (en) * | 2016-01-13 | 2016-05-04 | 西安交通大学 | Stator cooling structure of built-in disc type motor |
| CN205846886U (en) * | 2016-07-28 | 2016-12-28 | 浙江杰菱机电科技有限公司 | A kind of Novel stator having from magnetic conduction function |
| CN207719902U (en) * | 2018-01-02 | 2018-08-10 | 浙江德宏汽车电子电器股份有限公司 | A kind of generator stator of vehicle |
| CN209046497U (en) * | 2018-08-31 | 2019-06-28 | 核心驱动科技（金华）有限公司 | A kind of disc type core structure and disc type electric machine |
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2018
- 2018-08-31 CN CN201811008332.9A patent/CN108900056B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363995U (en) * | 2011-12-09 | 2012-08-01 | 苏州金莱克汽车电机有限公司 | Motor with integral stator slot wedge |
| GB2511421A (en) * | 2013-01-24 | 2014-09-03 | Gkn Evo Edrive Systems Ltd | Electrical machines |
| CN204205739U (en) * | 2014-09-05 | 2015-03-11 | 常州高尔登科技有限公司 | The stator module of disc type electric machine |
| CN105553126A (en) * | 2016-01-13 | 2016-05-04 | 西安交通大学 | Stator cooling structure of built-in disc type motor |
| CN205846886U (en) * | 2016-07-28 | 2016-12-28 | 浙江杰菱机电科技有限公司 | A kind of Novel stator having from magnetic conduction function |
| CN207719902U (en) * | 2018-01-02 | 2018-08-10 | 浙江德宏汽车电子电器股份有限公司 | A kind of generator stator of vehicle |
| CN209046497U (en) * | 2018-08-31 | 2019-06-28 | 核心驱动科技（金华）有限公司 | A kind of disc type core structure and disc type electric machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421897A (en) * | 2020-08-19 | 2021-02-26 | 沈阳工业大学 | Manufacturing method of stator core of yoke-free segmented armature axial flux motor |
| CN112421897B (en) * | 2020-08-19 | 2024-04-12 | 沈阳工业大学 | Method for manufacturing stator core of yoke-free segmented armature axial flux motor |
| CN113937915A (en) * | 2021-09-09 | 2022-01-14 | 北京交通大学 | Axial magnetic flux stator core made of composite material |
| CN113937915B (en) * | 2021-09-09 | 2023-09-26 | 北京交通大学 | Axial magnetic flux stator core made of composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108900056B (en) | 2020-10-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Applicant after: Zhejiang Panhu Power Technology Co.,Ltd. Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Applicant before: CORE DRIVE TECHNOLOGY (JINHUA) Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A disc-shaped iron core structure and a disc-shaped motor Effective date of registration: 20231214 Granted publication date: 20201027 Pledgee: China Minsheng Bank Limited Jinhua Branch Pledgor: Zhejiang Panhu Power Technology Co.,Ltd. Registration number: Y2023980071207 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |