CN109639003A - Rotor, disc type electric machine and the vehicle of disc type electric machine - Google Patents
Rotor, disc type electric machine and the vehicle of disc type electric machine Download PDFInfo
- Publication number
- CN109639003A CN109639003A CN201910067245.9A CN201910067245A CN109639003A CN 109639003 A CN109639003 A CN 109639003A CN 201910067245 A CN201910067245 A CN 201910067245A CN 109639003 A CN109639003 A CN 109639003A
- Authority
- CN
- China
- Prior art keywords
- rotor
- magnet steel
- type electric
- disc type
- electric machine
- 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.)
- Pending
Links
Classifications
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
Abstract
The present invention relates to a kind of rotor of disc type electric machine, disc type electric machine and vehicles.The rotor of the disc type electric machine, including rotor field spider, it is circumferentially distributed on rotor field spider to have multiple magnetic slots for mounting magnetic steel, magnet steel is installed in magnetic slot, it is equipped between two adjacent magnet steel and is fixed part, the part that is fixed has an overhanging compressed part for compressing two neighboring magnet steel, described to be fixed part and be fixedly connected by fastener with rotor field spider.It is equipped between the adjacent magnet steel of the rotor of the disc type electric machine and is fixed part, part is fixed with the overhanging compressed part for compressing two neighboring magnet steel, magnetic slot realizes the circumferentially positioned of magnet steel, magnetic slot and the overhanging compressed part for being fixed part realize the axially position of magnet steel, assembly method is simple, magnetic slot, magnet steel and be fixed part mating surface be face directly, processing technology is simple, and can guarantee precision.
Description
Technical field
The present invention relates to a kind of rotor of disc type electric machine, disc type electric machine and vehicles.
Background technique
Disc type electric machine is called dish-style motor, different from the radial magnetic field of traditional cylindrical electrical machine, and disc type electric machine air gap is
Plane, air-gap field are axial type, have the characteristics that small in size, light-weight, structure is simple, while also having power/volume
It is a kind of widely used motor than the advantage that high, power factor (PF) is high, required inverter capacity is small.Currently, most of disc type electricity
Machine stator is coil, and rotor is the disk for being equipped with magnet steel or permanent magnet, and the fixed form of rotor upper magnetic steel influences whether whole
The production and processing progress of a rotor and the magnetic flux rate of rotor surface, and then influence the performance of entire motor and pushing away for disc type electric machine
Wide and application.
Publication No. is CN102624114A, and date of publication is that the Chinese patent application of 2012.08.01 discloses a kind of disc type electricity
Machine rotor, the disk type electric motor rotor include discoid rotor pallet, are circumferentially arranged with multiple magnet steel, magnet steel in rotor pallet
For sector structure, magnet steel Internal and external cycle is positioned using annular dovetail slot, and is fixed by briquetting to magnet steel.But this
It is dovetail face that kind of fixed structure, which requires the periphery inside and outside magnet steel, and processing cost is high, and briquetting installation difficulty is big and efficiency
It is low.
Notification number is CN206894380U, and the day for announcing is that the Chinese patent of 2018.01.16 discloses a kind of novel fixing groove
Disk type electric motor rotor and motor, the disk type electric motor rotor include discoid rotor core, and several grooves are evenly equipped on iron core, recessed
Slot is open slot, and the opening direction of open slot is mounted on corresponding magnetic in each groove towards the radial outside of iron core
Steel, the section of magnet steel is in I-shaped, and the shape of groove is adapted to magnet steel feet shape, and magnet steel can be by being inserted radially into groove, magnetic
It is coated with binder on the faying face of steel and groove, to realize the positioning of magnet steel.But I-shaped magnet steel skilled worker difficulty is big, at
This height.
Summary of the invention
The purpose of the present invention is to provide a kind of processing technology is simple, the rotor of the low disc type electric machine of assembly difficulty；This hair
Bright purpose, which also resides in, provides a kind of disc type electric machine；Present invention hair purpose, which also resides in, provides a kind of vehicle.
In order to reach above-mentioned technical purpose, technical solution used by the rotor of disk type electric motor rotor of the present invention is as follows: should
The rotor of disc type electric machine, including rotor field spider, it is circumferentially distributed on rotor field spider to have multiple magnetic slots for mounting magnetic steel, magnetic
Magnet steel is installed in steel tank, is equipped between two adjacent magnet steel and is fixed part, the part that is fixed has for compressing
The overhanging compressed part of two neighboring magnet steel, it is described to be fixed part and be fixedly connected by fastener with rotor field spider.
Further, the bottom of the magnetic slot is equipped with opening, and magnet steel is equipped with the protrusion being adapted to the opening shape
Structure.
Further, it is formed between adjacent magnetic slot for installing the mounting portion for being fixed part, it is described to be fixed
Part is equipped with boss, and overhanging compressed part setting is set on boss two sides, the mounting portion to be adapted to the projection shape
Groove.
Further, the magnet steel is equipped with the pressing groove being adapted to overhanging compressed part, the depth of pressing groove and the pressure that overhangs
The thickness in tight portion is equal.
The invention has the following beneficial effects: between the adjacent magnet steel of the rotor of the disc type electric machine be equipped be fixed part,
Part is fixed with the overhanging compressed part for compressing two neighboring magnet steel, magnetic slot realizes circumferentially positioned, the magnet steel of magnet steel
Slot and the overhanging compressed part for being fixed part realize the axially position of magnet steel, and assembly method is simple, magnetic slot, magnet steel and compression
The mating surface of fixing piece is to face directly, and processing technology is simple, and can guarantee precision.
Technical solution used by disc type electric machine of the present invention is as follows: the disc type electric machine include include stator and rotor, it is described
Rotor includes rotor field spider, circumferentially distributed on rotor field spider to have multiple magnetic slots for mounting magnetic steel, installation in magnetic slot
There is magnet steel, be equipped between two adjacent magnet steel and be fixed part, the part that is fixed has for compressing two neighboring magnetic
The overhanging compressed part of steel, it is described to be fixed part and be fixedly connected by fastener with rotor field spider.
Further, the bottom of the magnetic slot is equipped with opening, and magnet steel is equipped with the protrusion being adapted to the opening shape
Structure.
Further, it is formed between adjacent magnetic slot for installing the mounting portion for being fixed part, it is described to be fixed
Part is equipped with boss, and overhanging compressed part setting is set on boss two sides, the mounting portion to be adapted to the projection shape
Groove.
Further, the magnet steel is equipped with the pressing groove being adapted to overhanging compressed part, the depth of pressing groove and the pressure that overhangs
The thickness in tight portion is equal.
Technical solution used by vehicle of the present invention is as follows: the vehicle includes disc type electric machine, and the disc type electric machine includes turning
Son and stator, the rotor include rotor field spider, circumferentially distributed on rotor field spider to have multiple magnetic slots for mounting magnetic steel,
Magnet steel is installed in magnetic slot, is equipped between two adjacent magnet steel and is fixed part, the part that is fixed has for pressing
The overhanging compressed part of tight two neighboring magnet steel, it is described to be fixed part and be fixedly connected by fastener with rotor field spider.
Further, the bottom of the magnetic slot is equipped with opening, and magnet steel is equipped with the protrusion being adapted to the opening shape
Structure.
Further, it is formed between adjacent magnetic slot for installing the mounting portion for being fixed part, it is described to be fixed
Part is equipped with boss, and overhanging compressed part setting is set on boss two sides, the mounting portion to be adapted to the projection shape
Groove.
Further, the magnet steel is equipped with the pressing groove being adapted to overhanging compressed part, the depth of pressing groove and the pressure that overhangs
The thickness in tight portion is equal.
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 without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment 1 of the rotor of disc type electric machine of the present invention；
Fig. 2 is the radial cross-section of Fig. 1；
Fig. 3 is the sectional view after magnet steel in Fig. 1, fixing piece and rotor field spider assembly；
Fig. 4 is the structural schematic diagram of rotor field spider in Fig. 1；
Fig. 5 is the structural schematic diagram of magnet steel in Fig. 1；
Fig. 6 is the sectional view of Fig. 5；
Fig. 7 is the structural schematic diagram of fixing piece in Fig. 1；
Fig. 8 is my sectional view of Fig. 7.
Description of symbols: 1. rotor field spiders；11. magnetic slot；12. groove；2. magnet steel；21. pressing groove；22. fan-shaped convex
It rises；3. being fixed part；31. overhanging compressed part；32. boss；4. holding screw.
Specific embodiment
Below by specific embodiment combination attached drawing, the present invention will be described in detail, it should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other, and the scope of protection of the present invention is not limited thereto.
The embodiment 1 of the rotor of disc type electric machine of the present invention, as shown in Figures 1 to 8, the rotor of the disc type electric machine includes rotor
Bracket 1, it is circumferentially distributed on rotor field spider 1 to have multiple magnetic slots 11 for mounting magnetic steel 2, magnetic is installed in magnetic slot 11
Steel 2 is equipped between adjacent magnet steel and is fixed part 3, and being fixed part 3 has overhanging for compressing two neighboring magnet steel 2
Compressed part 31 is fixed part 3 and is fixedly connected by fastener with rotor field spider.
In the present embodiment, magnetic slot 11 is that bottom is equipped with sector open, and magnet steel 2 is equipped with and is adapted to the sector open
Sector protrusion 22, formed for installing the mounting portion for being fixed part 3 between adjacent magnetic slot 11, be fixed on part 3
Equipped with boss, the setting of overhanging fixed part is equipped with the groove being adapted to projection shape in boss two sides, mounting portion.Boss 32 is length
Strip, three through-holes are equipped at intervals on boss 32, and the slot bottom of groove 12 is equipped with one-to-one with three through-holes on boss 32
Screw hole.
In the present embodiment, magnet steel 2 is equipped with the pressing groove 21 being adapted to overhanging compressed part 31, and the sector on magnet steel 2 is convex
It plays 22 to be symmetrical arranged along its thickness direction, forms pressing grooves 21 between fan-shaped protrusion 22 and magnet steel 2, the depth of pressing groove 21 and outstanding
The thickness for stretching compressed part 31 is equal.Fastener is holding screw 4.
During installation, one of fan-shaped protrusion 22 of magnet steel 2 is put on rotor field spider 1 for the rotor of above-mentioned disc type electric machine
Sector open in, the internal and external cambered surface of sector open respectively with the internal and external cambered surface of magnet steel 2 formed mating surface, to magnet steel 2 carry out diameter
To positioning；Then the adaptation of boss 32 being fixed on part 3 is placed in the groove 12 of 1 mounting portion of rotor field spider, use tightening
Screw 4 pass through boss 32 on through-hole and connect with the screw hole of 12 slot bottom of groove, magnetic slot 11 and be fixed part 31 hang
It stretches compressed part 31 and axially position has been carried out to magnet steel 2.
Between the adjacent magnet steel 2 of the rotor of above-mentioned disc type electric machine be equipped be fixed part 3, be fixed part 3 have be used for
The overhanging compressed part 31 of two neighboring magnet steel 2 is compressed, magnetic slot 11 realizes the radial positioning of magnet steel 2, magnetic slot 11 and compression
The overhanging compressed part 31 of fixing piece 3 realizes the axially position of magnet steel 2, and assembly method is simple, and magnetic slot 11, magnet steel 2 and compression are solid
The mating surface for determining part 3 is to face directly, and processing technology is simple, and can guarantee precision.
The embodiment 2 of the rotor of disc type electric machine of the present invention, difference from example 1 is that, magnetic slot can be bottom
The fan groove of portion's sealing, is symmetrically arranged the fan groove of bottom seal, such rotor on the end face of 1 axial ends of rotor field spider
Two layers of magnet steel can be set on bracket, but be set as will increase the thickness of the rotor of disc type electric machine.
The embodiment 3 of the rotor of disc type electric machine of the present invention, difference from example 1 is that, being fixed part 3 can also
Think that a block pressur plate, pressing plate are equipped with the through-hole being adapted to the head of holding screw.
The embodiment of disc type electric machine of the present invention, the disc type electric machine include stator and rotor, rotor and aforementioned present invention disc type
The structure of any embodiment of the rotor of motor is identical, is not repeated to illustrate.
The embodiment of vehicle of the present invention, the vehicle packet disc type electric machine, disc type electric machine include stator and rotor, rotor with it is above-mentioned
The structure of any embodiment of the rotor of disc type electric machine of the present invention is identical, is not repeated to illustrate.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of rotor of disc type electric machine, including rotor field spider, on rotor field spider it is circumferentially distributed have it is multiple for mounting magnetic steel
Magnetic slot, magnet steel is installed in magnetic slot, it is characterised in that: be equipped between two adjacent magnet steel and be fixed part, it is described
Part is fixed with the overhanging compressed part for compressing two neighboring magnet steel, the part that is fixed passes through fastener and rotor
Bracket is fixedly connected.
2. the rotor of disc type electric machine according to claim 1, it is characterised in that: the bottom of the magnetic slot is equipped with opening,
Magnet steel is equipped with the bulge-structure being adapted to the opening shape.
3. the rotor of disc type electric machine according to claim 1 or 2, it is characterised in that: formed and used between adjacent magnetic slot
It is fixed the mounting portion of part in installation, equipped with boss, the overhanging compressed part is arranged in boss two part that is fixed
Side sets the groove being adapted to the projection shape on the mounting portion.
4. the rotor of disc type electric machine according to claim 3, it is characterised in that: the magnet steel is equipped with and overhanging compressed part
The depth of the pressing groove of adaptation, pressing groove is equal with the thickness of overhanging compressed part.
5. a kind of disc type electric machine, including stator and rotor, the rotor includes rotor field spider, circumferentially distributed on rotor field spider to have
Multiple magnetic slots for mounting magnetic steel are equipped with magnet steel in magnetic slot, it is characterised in that: be equipped between two adjacent magnet steel
It is fixed part, the part that is fixed is described to be fixed part with the overhanging compressed part for compressing two neighboring magnet steel
It is fixedly connected by fastener with rotor field spider.
6. disc type electric machine according to claim 5, it is characterised in that: the bottom of the magnetic slot, which is equipped with, to be open, on magnet steel
Equipped with the bulge-structure being adapted to the opening shape.
7. disc type electric machine according to claim 5 or 6, it is characterised in that: formed between adjacent magnetic slot for installing
It is fixed the mounting portion of part, for the part that is fixed equipped with boss, the overhanging compressed part setting is described in boss two sides
The groove being adapted to the projection shape is set on mounting portion.
8. disc type electric machine according to claim 7, it is characterised in that: the magnet steel is equipped with and is adapted to overhanging compressed part
The depth of pressing groove, pressing groove is equal with the thickness of overhanging compressed part.
9. a kind of vehicle, including disc type electric machine, the disc type electric machine includes rotor and stator, it is characterised in that: the rotor is
The rotor of the described in any item disc type electric machines of the claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067245.9A CN109639003A (en) | 2019-01-24 | 2019-01-24 | Rotor, disc type electric machine and the vehicle of disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067245.9A CN109639003A (en) | 2019-01-24 | 2019-01-24 | Rotor, disc type electric machine and the vehicle of disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109639003A true CN109639003A (en) | 2019-04-16 |
Family
ID=66063335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067245.9A Pending CN109639003A (en) | 2019-01-24 | 2019-01-24 | Rotor, disc type electric machine and the vehicle of disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109639003A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289739A (en) * | 2019-07-08 | 2019-09-27 | 浙江盘毂动力科技有限公司 | A kind of rotor of disc type electric machine and preparation method thereof |
| CN111010008A (en) * | 2019-12-13 | 2020-04-14 | 南京理工大学 | Surface-mounted permanent magnet rotor disc of high-strength axial magnetic field motor |
| CN111181337A (en) * | 2020-02-26 | 2020-05-19 | 安徽美芝精密制造有限公司 | Rotor assembly, assembling method thereof, motor and electric vehicle |
| FR3107999A1 (en) * | 2020-03-06 | 2021-09-10 | Renault Sas | Rotor for electromagnetic axial flow machine |
| CN113785474A (en) * | 2021-05-31 | 2021-12-10 | 华为技术有限公司 | Motor rotor, driving motor and electric automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616900U (en) * | 2012-04-02 | 2012-12-19 | 诸暨和创电机科技有限公司 | Permanent magnet installation device for wind-driven generator |
| CN108808921A (en) * | 2018-08-31 | 2018-11-13 | 上海适达动力科技股份有限公司 | A kind of disk rotor and disc type electric machine |
| CN210327185U (en) * | 2019-01-24 | 2020-04-14 | 三门峡速达交通节能科技股份有限公司 | Rotor of disc type motor, disc type motor and vehicle |
-
2019
- 2019-01-24 CN CN201910067245.9A patent/CN109639003A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616900U (en) * | 2012-04-02 | 2012-12-19 | 诸暨和创电机科技有限公司 | Permanent magnet installation device for wind-driven generator |
| CN108808921A (en) * | 2018-08-31 | 2018-11-13 | 上海适达动力科技股份有限公司 | A kind of disk rotor and disc type electric machine |
| CN210327185U (en) * | 2019-01-24 | 2020-04-14 | 三门峡速达交通节能科技股份有限公司 | Rotor of disc type motor, disc type motor and vehicle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289739A (en) * | 2019-07-08 | 2019-09-27 | 浙江盘毂动力科技有限公司 | A kind of rotor of disc type electric machine and preparation method thereof |
| CN111010008A (en) * | 2019-12-13 | 2020-04-14 | 南京理工大学 | Surface-mounted permanent magnet rotor disc of high-strength axial magnetic field motor |
| CN111010008B (en) * | 2019-12-13 | 2020-11-06 | 南京理工大学 | Surface-mounted permanent magnet rotor disc of high-strength axial magnetic field motor |
| CN111181337A (en) * | 2020-02-26 | 2020-05-19 | 安徽美芝精密制造有限公司 | Rotor assembly, assembling method thereof, motor and electric vehicle |
| FR3107999A1 (en) * | 2020-03-06 | 2021-09-10 | Renault Sas | Rotor for electromagnetic axial flow machine |
| WO2021176058A1 (en) * | 2020-03-06 | 2021-09-10 | Renault S.A.S. | Rotor for an axial flux electromagnetic machine |
| CN113785474A (en) * | 2021-05-31 | 2021-12-10 | 华为技术有限公司 | Motor rotor, driving motor and electric automobile |
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