CN108900056B - Disc type iron core structure and disc type motor - Google Patents
Disc type iron core structure and disc type motor Download PDFInfo
- Publication number
- CN108900056B CN108900056B CN201811008332.9A CN201811008332A CN108900056B CN 108900056 B CN108900056 B CN 108900056B CN 201811008332 A CN201811008332 A CN 201811008332A CN 108900056 B CN108900056 B CN 108900056B
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- magnetic conduction
- iron core
- core structure
- disc
- notch
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000004804 winding Methods 0.000 claims description 10
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 229910000531 Co alloy Inorganic materials 0.000 claims description 3
- QVYYOKWPCQYKEY-UHFFFAOYSA-N [Fe].[Co] Chemical compound [Fe].[Co] QVYYOKWPCQYKEY-UHFFFAOYSA-N 0.000 claims description 3
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 3
- 229910000889 permalloy Inorganic materials 0.000 claims description 3
- 239000006247 magnetic powder Substances 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 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
Images
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 disc type iron core structure and a disc type motor, wherein the disc type iron core structure comprises a wound iron core and a magnetic conduction block, a plurality of grooves are structurally arranged on the end surface of the wound iron core, the magnetic conduction block is clamped at the notch of each groove, and each groove and the corresponding magnetic conduction block form a half-open groove together. In the disk iron core, the wire is firstly inserted into the slot, then the magnetic conduction block is arranged at the notch, and the magnetic conduction block and the slot form a half-open slot. Therefore, the disc type iron core structure not only has the magnetic performance of the semi-open slot, but also has the advantage of being convenient for off-line.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a disc type iron core structure and a disc type motor.
Background
The disc type motor has the advantages of higher iron core utilization rate, higher power density, higher torque density and the like, and is widely applied to occasions with strict requirements on the volume and the weight of the motor.
At present, most of disc-type iron cores of disc-type motors are manufactured by adopting a process of stamping and winding silicon steel sheets. The slot type of the disc iron core for inserting the coil is similar to that of a conventional radial magnetic field motor and is provided with an open slot, a semi-open slot and a closed slot. Wherein, the closed slot structure is rarely used in the iron core; the open slot structure has the advantages that the coil inserting is easy, but the electromagnetic performance of the motor is poor, the air gap harmonic wave of the motor is increased, larger tooth space torque and torque pulsation are caused, the loss of the motor is increased, and the performance and the efficiency of the motor are reduced; the half-open slot structure has better electromagnetic performance, but the slot type winding difficulty is increased, and the flat copper wire or the molded coil made of the flat copper wire is difficult to use.
Therefore, how to reduce the offline difficulty while improving the electromagnetic performance becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is how to reduce the offline difficulty while improving the electromagnetic performance, and therefore, the present invention provides a disc type iron core structure and a disc type motor.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a disk iron core structure, is including coiling iron core and magnetic conduction piece, be provided with a plurality of grooves on coiling iron core's the terminal surface, every the notch department card in groove has magnetic conduction piece, every the groove with correspond magnetic conduction piece forms half open slot jointly.
Preferably, in the above disc core structure, the wound core includes teeth, slots, and yokes, the teeth and the slots are arranged at intervals, the yokes are located behind the teeth and the slots, a caulking groove is provided at a position of each of the teeth opposite to the notch, and the flux-conducting block is inserted into the caulking groove.
Preferably, in the above disc core structure, the caulking grooves include a first caulking groove and a second caulking groove oppositely disposed on both sides of the teeth.
Preferably, in the above disc core structure, the magnetic conducting block includes a first magnetic conducting portion and a second magnetic conducting portion that are oppositely disposed, and a connecting portion that connects the first magnetic conducting portion and the second magnetic conducting portion, an inner side of the first magnetic conducting portion is embedded into the first caulking groove, and an inner side of the second magnetic conducting portion is embedded into the second caulking groove.
Preferably, in the disk core structure, a first embedding portion embedded into the first caulking groove is disposed inside the first magnetic conduction portion, and a first half notch forming the half-open groove is disposed outside the first magnetic conduction portion; the inner side of the second magnetic conduction part is provided with a second embedding part embedded into the second caulking groove, and the outer side of the second magnetic conduction part is a second half notch forming the half open groove.
Preferably, in the above-described disc core structure, each of the slots corresponds to a first half slot opening of one of the two magnetic blocks and a second half slot opening of the other of the two magnetic blocks.
Preferably, in the above disc core structure, the flux guide block is inserted from the inside of the wound core, and the first half slot opening and the second half slot opening on both sides of each half slot opening are parallel to each other.
Preferably, in the above disk core structure, the magnetic conductive block is press-molded from high magnetic conductive powder.
Preferably, in the above-described disc core structure, the wound core is made by die-press winding or wire cutting a strip of silicon steel, amorphous alloy, permalloy, or iron-cobalt alloy.
The invention also discloses a disc type motor which comprises the disc type iron core structure.
According to the technical scheme, the disc-type iron core structure is characterized in that the magnetic conduction block is arranged at the position of the slot, and the magnetic conduction block and the slot form a half-open slot. Therefore, the disc type iron core structure not only has the magnetic performance of the semi-open slot, but also has the advantage of being convenient for off-line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a disc-type core structure according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a wound core structure according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a magnetic conductive block according to an embodiment of the present invention.
Wherein 100 is a wound core, 200 is a magnetic conductive block, 101 is a tooth, 102 is a slot, 103 is a yoke, 104 is a first caulking groove, 105 is a second caulking groove, 201 is a first magnetic conductive portion, 202 is a second magnetic conductive portion, 203 is a connecting portion, 2011 is a first embedding portion, 2012 is a first half notch, 2021 is a second embedding portion, 2022 is a second half notch.
Detailed Description
Disc motor: a disc motor is also called an axial field motor, and the direction of the magnetic field inside the motor is along the axial direction. Axial field motors are also known as disc motors because they are generally flat.
Therefore, the core of the invention is to provide a disc-type iron core structure and a disc-type motor, so as to improve the electromagnetic performance and reduce the offline difficulty.
The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1 to 3, a disc core structure disclosed in the embodiment of the present invention includes a wound core 100 and a magnetic conductive block 200, wherein a plurality of slots 102 are disposed on an end surface of the wound core 100, the magnetic conductive block 200 is clamped at a notch of each slot 102, and each slot 102 and the corresponding magnetic conductive block 200 form a half-open slot together.
In the disc-type iron core structure, the wire is firstly inserted into the slot 102, then the magnetic conduction block 200 is installed at the slot, and the magnetic conduction block 200 and the slot form a half-open slot. Therefore, the disc type iron core structure not only has the magnetic performance of the semi-open slot, but also has the advantage of being convenient for off-line.
Referring to fig. 2, the wound core 100 is manufactured by die-stamping winding or wire-cutting a silicon steel sheet, an amorphous alloy, a permalloy, or an iron-cobalt alloy strip. The wound core 100 includes teeth 101, slots 102 and a yoke 103, the teeth 101 and the slots 102 are arranged at intervals, the yoke 103 is located at the back of the teeth 101 and the slots 102, a caulking groove is provided at a position of each tooth 101 opposite to the notch, and a magnetic conductive block 200 is inserted in the caulking groove.
One or two notches are provided in each tooth 101, and when two notches are provided, the notches include a first notch 104 and a second notch 105 disposed opposite each other on either side of the tooth 101. The first caulking groove 104 and the second caulking groove 105 are respectively used for inserting the magnetic conduction block 200.
Referring to fig. 3, the magnetic conductive block 200 is formed by pressing high-magnetic-conductivity magnet powder, such as SMC. The magnetic conduction block 200 includes a first magnetic conduction portion 201 and a second magnetic conduction portion 202 which are oppositely arranged, and a connection portion 203 which connects the first magnetic conduction portion 201 and the second magnetic conduction portion 202, the inner side of the first magnetic conduction portion 201 is embedded into the first caulking groove 104, and the inner side of the second magnetic conduction portion 202 is embedded into the second caulking groove 105. That is, the magnetic conductive block 200 in the embodiment of the present invention forms a U-shaped structure. Each tooth 101 is clamped with one magnetic conduction block 200, and each groove is provided with a partial structure corresponding to two magnetic conduction blocks 200.
In order to improve the stability of the magnetic conduction block 200, a first embedding part 2011 embedded into the first caulking groove 104 is arranged on the inner side of the first magnetic conduction part 201, and a first half notch 2012 forming a half-open groove is formed on the outer side of the first magnetic conduction part 201; the inner side of the second magnetic conduction part 202 is provided with a second embedding part 2021 embedded in the second embedding groove 105, and the outer side of the second magnetic conduction part 202 is a second half groove 2022 forming a half-open groove.
In the embodiment of the present invention, the first caulking groove 104 has a V-shaped structure, and the corresponding first embedding portion 2011 has a V-shaped structure attached to the first caulking groove 104; similarly, the second caulking groove 105 is a V-shaped structure, and the corresponding second embedding portion 2021 is a V-shaped structure attached to the second caulking groove 105.
In the embodiment of the present invention, each slot 102 corresponds to the first half slot 2012 of one of the two magnetic blocks 200 and the second half slot 2022 of the other one of the two magnetic blocks 200.
In order to further improve the electromagnetic performance of the disc-type core structure, the magnetic conduction block 200 is inserted from the inside of the winding core, and the first half notch 2012 and the second half notch 2022 on both sides of each half-slot opening are parallel to each other.
The invention also discloses a disc type motor which comprises the disc type iron core structure. Since the above disc-type core structure has the above advantages, the disc-type motor including the above disc-type core structure also has corresponding effects, which are not described herein again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A disc-type iron core structure is characterized by comprising a winding iron core and a magnetic conduction block, wherein a plurality of grooves are formed in the end face of the winding iron core, the winding iron core comprises teeth, grooves and yokes, the teeth and the grooves are arranged at intervals, the yokes are positioned behind the teeth and the grooves, each of the teeth is provided with a caulking groove at a position opposite to a notch, each caulking groove comprises a first caulking groove and a second caulking groove which are oppositely arranged at two sides of the teeth, the magnetic conduction block comprises a first magnetic conduction part and a second magnetic conduction part which are oppositely arranged, and a connecting part for connecting the first magnetic conduction part and the second magnetic conduction part, the magnetic conduction block is inserted from the inside of the winding iron core, the inner side of the first magnetic conduction part is embedded into the first caulking grooves, the inner side of the second magnetic conduction part is embedded into the second caulking grooves, each groove and the corresponding magnetic conduction block jointly form a half-open groove, the outside of first magnetic conduction portion is for forming half the notch of half open slot, the outside of second magnetic conduction portion is for forming half the notch of second of half open slot, every the both sides of half open slot half first notch with half notch of second is parallel to each other.
2. The disc core structure according to claim 1, wherein an inner side of the first magnetically permeable portion is provided with a first embedding portion that is embedded in the first caulking groove, and an inner side of the second magnetically permeable portion is provided with a second embedding portion that is embedded in the second caulking groove.
3. The disc core structure of claim 2 wherein each of said slots corresponds to a first half slot opening in one of the two blocks and a second half slot opening in the other of the two blocks.
4. A disc core structure according to any one of claims 1 to 3, characterized in that the flux-conducting blocks are press-formed from high-flux magnetic powder.
5. The disc core structure according to any one of claims 1 to 3, wherein the wound core is manufactured by die-press winding or wire cutting of a silicon steel sheet, an amorphous alloy, a permalloy, or an iron-cobalt alloy strip.
6. A disc motor comprising a disc core structure according to any one of claims 1 to 5.
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 CN108900056A (en) | 2018-11-27 |
| CN108900056B true CN108900056B (en) | 2020-10-27 |
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| 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 |
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| Country | Link |
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| CN (1) | CN108900056B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113937915B (en) * | 2021-09-09 | 2023-09-26 | 北京交通大学 | Axial magnetic flux stator core made of composite material |
Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201301305D0 (en) * | 2013-01-24 | 2013-03-06 | Gkn Evo Edrive Systems Ltd | Electrical machines |
-
2018
- 2018-08-31 CN CN201811008332.9A patent/CN108900056B/en active Active
Patent Citations (6)
| 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 |
| 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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| Publication number | Publication date |
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| CN108900056A (en) | 2018-11-27 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| 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 |