CN107800245A - A kind of water cooling soft-magnetic composite material disc type electric machine - Google Patents
A kind of water cooling soft-magnetic composite material disc type electric machine Download PDFInfo
- Publication number
- CN107800245A CN107800245A CN201710971588.9A CN201710971588A CN107800245A CN 107800245 A CN107800245 A CN 107800245A CN 201710971588 A CN201710971588 A CN 201710971588A CN 107800245 A CN107800245 A CN 107800245A
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- China
- Prior art keywords
- stator
- retainer ring
- composite material
- magnetic composite
- ring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of using disc type electric machine of the soft-magnetic composite material as stator, it is related to technical field of motors, the motor includes rotor, fixing axle, bearing and stator；Motor uses fixing axle, and motor stator can rotate around motor fixing shaft, be connected between rotor and fixing axle by bearing positioned at the centre of a pair of rotor disks, rotor disk；Stator includes stator core module, coil windings, retainer ring, fixing hoop；A kind of stator core module section made of soft-magnetic composite material is trapezoidal column module, coil windings are directly in stator core module, several stator core modules are circumferentially arranged in annular shape, and fixed in annulus outer ring and inner ring with retainer ring, and retainer ring is buckled in stator core module by fixing hoop and bolt, the annulus that stator core module forms is turned into a stable, firm entirety.Motor of the present invention uses water cooling, simple in construction, in light weight, efficiency high, good cooling results, is adapted to mechanization to produce in enormous quantities.
Description
Technical field
The present invention relates to a kind of technical field of motors, more particularly to a kind of water cooling soft-magnetic composite material disc type electric machine.
Background technology
At present, the stator of disc type electric machine includes stator core and coil windings, general stator core using silicon-steel sheet coiled around
Into discoid, fluting places coil on an end face of disk, and this motor stator structure is simple, efficiency is higher, but fixed
The complex process of sub- iron core processing, process-cycle length, and also when motor speed is higher, the ferromagnetic loss of silicon steel sheet is very big, sternly
Ghost image rings the efficiency of motor.Therefore, in order to further reduce the core loss of motor, stator can use the structure of iron-core-free, directly
Connect by stator coil winding place be in disc structure, although such a motor without the loss of stator core, due to stator
For air core coil, the air gap of motor is larger, and the leakage field in magnetic field is also bigger, and the current vortex loss of air core coil is also compared
Greatly, it is unfavorable for being designed to high speed, high efficiency electric.Soft-magnetic composite material is that a kind of magnetic property is good, the small electricity of high-frequency loss
Work material, this provides effective way for exploitation design high speed, efficient disc type electric machine.
The content of the invention
To overcome above mentioned problem, present invention offer is a kind of using disc type electric machine of the soft-magnetic composite material as stator, passes through
Design to motor stator structure so that the motor uses water cooling, simple in construction, in light weight, efficiency high, good cooling results,
It is adapted to mechanization to produce in enormous quantities.
A kind of water cooling soft-magnetic composite material disc type electric machine, including rotor, fixing axle, bearing and stator；The stator is placed in
Among a pair of rotors, rotor is rotated around fixing axle, and rotor is connected with fixing axle by bearing；The stator includes stator core mould
Block, coil windings, retainer ring, cooling water nozzle and fixing hoop；Stator core module is by soft-magnetic composite material die cast, is determined
Sub- iron core module section is trapezoidal cylinder module, and four angles of the cylinder module are fillet, several stator core modules according to
Circumferential arrangement is into circular ring, and coil windings are directly in stator core module；By fixing hoop by retainer ring card
It is buckled in stator core module.
Further, the retainer ring includes inner ring retainer ring and outer ring retainer ring；And several stator core modules according to
Circumferential arrangement is fixed with inner ring retainer ring and outer ring retainer ring respectively into the inner ring of circular ring and outer ring.
Further, the inner ring retainer ring and outer ring retainer ring are hollow metal tube.
Further, the inner ring retainer ring and outer ring retainer ring both ends respectively connect water inlet tap and faucet.
Further, the structure of the fixing hoop is Ω shapes.
Further, it is provided with cooling water nozzle on the stator；The cooling water nozzle of stator excircle is drawn by stator cage
Out, the cooling water nozzle of stator inner periphery is extracted by motor shaft.
Further, the fixing hoop uses non-magnet_conductible material such as copper or plastics.
Further, the inner ring retainer ring and outer ring retainer ring are two.
Beneficial effect：
1. stator core module is by soft-magnetic composite material die cast, soft-magnetic composite material is that a kind of magnetic property is good,
The small electrical material of high-frequency loss, this provides effective way for exploitation design high speed, efficient disc type electric machine.
2. retainer ring is hollow metal tube, the both ends of each retainer ring connect water inlet tap and faucet, cooling water respectively
Retainer ring is flowed into by water inlet tap, then flowed out from faucet, constantly circulation, soft-magnetic composite material stator is cooled down.Stator
The cooling water nozzle of excircle is extracted by stator cage, and the cooling water nozzle of stator inner periphery is extracted by motor shaft.
3. pass through the design to motor stator structure so that the motor uses water cooling, simple in construction, in light weight, efficiency
Height, good cooling results, it is adapted to mechanization to produce in enormous quantities.
Brief description of the drawings
Fig. 1 is the structural representation of water cooling soft-magnetic composite material disc type electric machine of the present invention；
Fig. 2 is the stator structure schematic diagram in water cooling soft-magnetic composite material disc type electric machine of the present invention.
Reference is as follows：
1- rotors；2- fixing axles；3- bearings；4- stator core modules；5- retainer rings；6- cooling water nozzles；7- fixing hoops；
8- coil windings；9- outer rings retainer ring；10- inner ring retainer rings；11- bolts.
Embodiment
To do further understanding to the present invention below in conjunction with the accompanying drawings, embodiment of the invention is done and further retouched
State：
With reference to the structural representation that accompanying drawing 1 is water cooling soft-magnetic composite material disc type electric machine of the present invention, water cooling soft magnetism composite wood
Material tray type motor includes rotor 1, fixing axle 2, bearing 3, stator core module 4, retainer ring 5, stator, cooling water nozzle 6 and fixed
Clip 7；The stator of motor of the present invention includes stator core module 4, coil windings 8, retainer ring 5, cooling water nozzle 6 and fixing hoop
7；Stator core module 4 is by soft-magnetic composite material die cast, and its resemblance is that section is trapezoidal cylinder module, cylinder
Four angles be fillet, coil windings 8 are directly in stator core module 4；Several stator core modules 4 are according to circumference
Be arranged in annular shape, and fixed in the inner ring and outer ring retainer ring 5 of the circular ring, particularly for, the annular shape knot
The inner ring of structure and outer ring are fixed with inner ring retainer ring 10 and outer ring retainer ring 9 respectively, and wherein inner ring retainer ring 10 and outer ring are fixed
Ring 9 respectively has two, and respectively positioned at the upper and lower part of stator core module 4, retainer ring 5 is buckled in into stator with fixing hoop 7
In iron core module 4, and fixed on two pin of fixing hoop 7 with bolt 11, turn into the stator that stator core module 4 forms
One stable, firm entirety, i.e., the stator of motor of the present invention.
Wherein, retainer ring 5 is hollow metal tube, and retainer ring 5 includes inner ring retainer ring 10 and outer ring retainer ring 9；Inner ring
The both ends of retainer ring 10 and outer ring retainer ring 9 respectively connect water inlet tap and faucet, and cooling water is flowed into by water inlet tap and fixed
Ring 5, then flowed out from faucet, constantly circulation, soft-magnetic composite material stator is cooled down；The cooling water nozzle 6 of stator excircle
Extracted by stator cage, the cooling water nozzle 6 of stator inner periphery is extracted by motor shaft.
Water cooling soft-magnetic composite material disc type electric machine of the present invention uses fixing axle 2, and the stator of motor is in a pair of rotors 1
Between, rotor 1 can rotate around the fixing axle 2 of motor, be connected between rotor 1 and fixing axle 2 by bearing 3.
It is soft-magnetic composite material disk type electric machine stator of the present invention with reference to accompanying drawing 2, including stator core module 4, coil windings
8th, outer ring retainer ring 9, inner ring retainer ring 10, bolt 11 and fixing hoop 7；The structure of fixing hoop 7 is Ω shapes, and material uses
Non-magnet_conductible material is such as：Copper or plastics etc., retainer ring 5 is fastened on stator iron with bolt 11 on two pin of fixing hoop 7
On core module 4；Inner ring retainer ring 10, outer ring retainer ring 9 and stator core module 4 are fastened by fixing hoop 7 and bolt 11
Connection, several stator core modules 4 are made to be combined into a disk in the case where inner ring retainer ring 10 and outer ring retainer ring 9 fasten.Its
In, outer ring retainer ring 10 and inner ring retainer ring 9 respectively have two, respectively positioned at the upper and lower part of stator core module 4, its feature
For hollow metal tube, the both ends of each retainer ring 5 connect water inlet tap and faucet respectively, and cooling water is flowed into solid by water inlet tap
Determine ring, then flowed out from faucet, constantly circulation, soft-magnetic composite material stator is cooled down, while cool down coil windings 2, carry
The cooling effect of high motor, further improves electric efficiency.
The embodiment is preferred embodiment of the invention, but the present invention is not limited to above-mentioned embodiment, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification belongs to protection scope of the present invention.
Claims (8)
1. a kind of water cooling soft-magnetic composite material disc type electric machine, including rotor (1), fixing axle (2), bearing (3) and stator；It is described fixed
Son is placed among a pair of rotors (1), and rotor (1) rotates around fixing axle (2), and rotor (1) is connected with fixing axle (2) by bearing (3)
Connect；Characterized in that, the stator include stator core module (4), coil windings (8), retainer ring (5), cooling water nozzle (6) and
Fixing hoop (7)；Stator core module (4) is by soft-magnetic composite material die cast, and stator core module (4) section is trapezoidal
Cylinder module, four angles of the cylinder module are fillet, and several stator core modules (4) are according to circumferential arrangement into annular shape knot
Structure, coil windings (8) are directly in stator core module (4)；Retainer ring (5) is buckled in by fixing hoop (7) and determined
On sub- iron core module (4).
A kind of 2. water cooling soft-magnetic composite material disc type electric machine according to claim 1, it is characterised in that the retainer ring
(5) inner ring retainer ring (10) and outer ring retainer ring (9) are included；And several stator core modules (4) according to circumferential arrangement into annulus
The inner ring of shape structure and outer ring are fixed with inner ring retainer ring (10) and outer ring retainer ring (9) respectively.
3. a kind of water cooling soft-magnetic composite material disc type electric machine according to claim 2, it is characterised in that the inner ring is fixed
Ring (10) and outer ring retainer ring (9) are hollow metal tube.
4. a kind of water cooling soft-magnetic composite material disc type electric machine according to claim 2, it is characterised in that the inner ring is fixed
Ring (10) and outer ring retainer ring (9) both ends respectively connect water inlet tap and faucet.
A kind of 5. water cooling soft-magnetic composite material disc type electric machine according to claim 1, it is characterised in that the fixing hoop
(7) structure is Ω shapes.
6. a kind of water cooling soft-magnetic composite material disc type electric machine according to claim 1, it is characterised in that set on the stator
It is equipped with cooling water nozzle (6)；The cooling water nozzle (6) of stator excircle is extracted by stator cage, the cooling water of stator inner periphery
Mouth (6) is extracted by motor shaft.
A kind of 7. water cooling soft-magnetic composite material disc type electric machine according to claim 5, it is characterised in that the fixing hoop
(7) non-magnet_conductible material such as copper or plastics are used.
A kind of 8. water cooling soft-magnetic composite material disc type electric machine according to any one of claim 2 to 4, it is characterised in that institute
It is two to state inner ring retainer ring (10) and outer ring retainer ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971588.9A CN107800245B (en) | 2017-10-18 | 2017-10-18 | Water-cooling soft magnetic composite material disc type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971588.9A CN107800245B (en) | 2017-10-18 | 2017-10-18 | Water-cooling soft magnetic composite material disc type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800245A true CN107800245A (en) | 2018-03-13 |
| CN107800245B CN107800245B (en) | 2019-12-31 |
Family
ID=61533320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710971588.9A Active CN107800245B (en) | 2017-10-18 | 2017-10-18 | Water-cooling soft magnetic composite material disc type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107800245B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809033A (en) * | 2018-05-25 | 2018-11-13 | 金华市壹维科技有限公司 | Annular magnetic reduction of fractions to a common denominator section winding electric machine |
| CN111953109A (en) * | 2020-08-11 | 2020-11-17 | 哈尔滨工业大学 | Double-layer integral pitch winding axial magnetic field permanent magnet synchronous motor |
| CN112821644A (en) * | 2021-01-29 | 2021-05-18 | 上海电机学院 | Water cooling system of disc type coreless permanent magnet motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003309948A (en) * | 2002-04-16 | 2003-10-31 | Hitachi Ltd | Rotary electric machine |
| JP3788861B2 (en) * | 1998-03-17 | 2006-06-21 | 株式会社日立製作所 | Cooling structure of outer rotor type electric motor |
| JP2007202332A (en) * | 2006-01-27 | 2007-08-09 | Nissan Motor Co Ltd | Cooling structure of rotary-electric machine |
| CN101447701A (en) * | 2003-02-26 | 2009-06-03 | 富士通将军股份有限公司 | Axial gap version dynamo-electric motor |
| JP2011166926A (en) * | 2010-02-09 | 2011-08-25 | Daihatsu Motor Co Ltd | Motor |
| CN102624175A (en) * | 2012-02-29 | 2012-08-01 | 腾达电动科技镇江有限公司 | Disc type motor without rotor yoke or stator yoke |
| CN103546005A (en) * | 2013-10-25 | 2014-01-29 | 金坛市微特电机有限公司 | Water-cooling double-stator axial magnetic field permanent magnet brushless direct-current motor |
| CN203537176U (en) * | 2013-09-22 | 2014-04-09 | 山东欧瑞安电气有限公司 | High-performance compact water cooling system for disk type motor |
-
2017
- 2017-10-18 CN CN201710971588.9A patent/CN107800245B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3788861B2 (en) * | 1998-03-17 | 2006-06-21 | 株式会社日立製作所 | Cooling structure of outer rotor type electric motor |
| JP2003309948A (en) * | 2002-04-16 | 2003-10-31 | Hitachi Ltd | Rotary electric machine |
| CN101447701A (en) * | 2003-02-26 | 2009-06-03 | 富士通将军股份有限公司 | Axial gap version dynamo-electric motor |
| JP2007202332A (en) * | 2006-01-27 | 2007-08-09 | Nissan Motor Co Ltd | Cooling structure of rotary-electric machine |
| JP2011166926A (en) * | 2010-02-09 | 2011-08-25 | Daihatsu Motor Co Ltd | Motor |
| CN102624175A (en) * | 2012-02-29 | 2012-08-01 | 腾达电动科技镇江有限公司 | Disc type motor without rotor yoke or stator yoke |
| CN203537176U (en) * | 2013-09-22 | 2014-04-09 | 山东欧瑞安电气有限公司 | High-performance compact water cooling system for disk type motor |
| CN103546005A (en) * | 2013-10-25 | 2014-01-29 | 金坛市微特电机有限公司 | Water-cooling double-stator axial magnetic field permanent magnet brushless direct-current motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809033A (en) * | 2018-05-25 | 2018-11-13 | 金华市壹维科技有限公司 | Annular magnetic reduction of fractions to a common denominator section winding electric machine |
| CN111953109A (en) * | 2020-08-11 | 2020-11-17 | 哈尔滨工业大学 | Double-layer integral pitch winding axial magnetic field permanent magnet synchronous motor |
| CN112821644A (en) * | 2021-01-29 | 2021-05-18 | 上海电机学院 | Water cooling system of disc type coreless permanent magnet motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107800245B (en) | 2019-12-31 |
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Effective date of registration: 20230307 Address after: No. 2-208, Building 3, Zone 3, Huatangruicheng, Binhai - Zhongguancun Science Park, Binhai New Economic and Technological Development Zone, Tianjin, 300453 Patentee after: Ant New Energy (Tianjin) Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |