CN110224520A - A kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system - Google Patents
A kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system Download PDFInfo
- Publication number
- CN110224520A CN110224520A CN201910662047.7A CN201910662047A CN110224520A CN 110224520 A CN110224520 A CN 110224520A CN 201910662047 A CN201910662047 A CN 201910662047A CN 110224520 A CN110224520 A CN 110224520A
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- China
- Prior art keywords
- stator
- water channel
- synchronous motor
- permanent magnetic
- stator winding
- Prior art date
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- 238000004804 winding Methods 0.000 title claims abstract description 52
- 239000011229 interlayer Substances 0.000 title claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 239000010410 layer Substances 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 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
- H02K21/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
Landscapes
- 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 high-speed permanent magnetic synchronous motors with stator winding interlayer water channel cooling system, including out frame and the stator core and rotor core that are arranged in out frame, stator core is provided in the out frame, the rotor core is set to stator core inner wall and there are gaps between stator core, stator winding is provided in the stator core, the stator winding interlayer is provided with interlayer water channel.The configuration of the present invention is simple, good cooling results solve the problems, such as that high-speed permanent magnetic synchronous motor radiating condition is poor, are reducing the operational reliability that high-speed permanent magnetic synchronous motor is improved while the temperature rise of high-speed permanent magnetic synchronous motor structural member.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of high speed with stator winding interlayer water channel cooling system
Permanent magnet synchronous motor.
Background technique
High-speed permanent magnetic synchronous motor can directly be connected with working machine or load, with small in size, power density is big, efficiency
High, the advantages that dynamic response is fast, it is widely used in the industrial circles such as centrifugal compressor, flywheel energy storage, vacuum pump and aircraft, aircraft carrier
The military fields such as energy resource system, in view of it in substantial industrial field and the wide application prospect of national defense and military fields, high-speed permanent magnetic
Synchronous motor has become the object that all trades and professions are competitively paid close attention to.
High-speed permanent magnetic synchronous motor will not only meet the requirement of electromagnetic performance and mechanical property when designing, it is also necessary to meet cold
But with the requirement of temperature rise.For high-speed permanent magnetic synchronous motor, due to its higher revolving speed, permanent magnet cannot bear high speed and revolve
It changes the line of production raw tensile stress, it is necessary to which safeguard measure is taken to permanent magnet.Small in size in view of high-speed permanent magnetic synchronous motor, rotor mostly uses
Solid overall structure, loss density is big, and radiating condition is poor, be easy to cause the irreversible loss of excitation of permanent magnet, thus effective heat dissipation and
The type of cooling is to ensure that each structural member of motor operates in the effective means that power of motor is improved compared with low-temperature-rise, it has also become high speed is forever
Critical issue in magnetic-synchro design of electrical motor.
Summary of the invention
It is an object of the invention to: above-mentioned problems of the prior art are directed to, are provided a kind of with stator winding layer
Between water channel cooling system high-speed permanent magnetic synchronous motor, enhance high-speed permanent magnetic synchronous motor cooling effect, make motor have it is more excellent
Runnability.
The technical solution adopted by the invention is as follows:
A kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system, including out frame and set
Stator core and rotor core in out frame are set, stator core is provided in out frame, rotor core is set to fixed
Sub- iron core inner wall and between stator core there are gap, stator winding, the setting of stator winding interlayer are provided in stator core
There is interlayer water channel.
Further, stator winding is enclosed with major insulation.
Further, stator winding includes stator upper layer winding and stator lower layer winding, below the winding of stator upper layer and fixed
Layer insulation is provided with above sub- lower layer's winding, interlayer water channel is arranged between layer insulation.
Further, out frame inner wall is provided with spiral channel, and spiral channel is arranged in out frame and stator core
Between.
Further, it is provided with the equally distributed permanent magnet of even number on rotor core outer wall, is set on the outer wall of permanent magnet
It is equipped with permanent magnet sheath, permanent magnet sheath material is the high strength permanent magnets sheath of carbon fiber.
Further, rotor core surface is provided with equally distributed rotor axial ventilation gaps, rotor axial ventilation seam
Gap is contacted with the inner surface of permanent magnet.
Further, shaft is provided in rotor core, shaft passes through the bearing being arranged on out frame and stator
Seat rotation connection, rotor core are integrated with shaft, and material uses the high-intensitive carbon steel of magnetic conduction.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, the configuration of the present invention is simple carries out effectively cooling, the band leakage of electricity to motor by setting interlayer water channel and spiral channel
The heat of machine structural member, solves the problems, such as that high-speed permanent magnetic synchronous motor radiating condition is poor, Wen Shenggao, and reducing, high-speed permanent magnetic is same
Walk the operational reliability that high-speed permanent magnetic synchronous motor is improved while Electric machine structure part temperature rise；
2, present invention mounting material on the outer wall of permanent magnet is the high strength permanent magnets sheath of carbon fiber, it is therefore prevented that permanent magnetism
Body is damaged due to by huge centrifugal force；
3, rotor core of the invention is the high-intensitive carbon steel construction of integrated magnetic conduction with shaft, improves the machine of motor
Tool intensity.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the axial sectional view of high-speed permanent magnetic synchronous motor of the invention；
Fig. 2 is the circumferential cross-sectional view of high-speed permanent magnetic synchronous motor of the invention；
Fig. 3 is the stator slot inner circumferential cross-sectional view of high-speed permanent magnetic synchronous motor of the invention；
Fig. 4 is the circumferential cross-sectional view of the high-speed permanent magnetic synchronous motor for being provided with rotor axial ventilation gaps of the invention；
Marked in the figure: 1- out frame, 2- spiral channel, 3- stator core, 4- stator winding, 41- stator upper layer winding,
42- stator lower layer winding, 5- interlayer water channel, 6- rotor core, 7- permanent magnet, 8- permanent magnet sheath, 9- shaft, 10- bearing,
11- major insulation, 12- layer insulation, 13- rotor axial ventilation gaps.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of high-speed permanent magnetic with stator winding interlayer water channel cooling system that present pre-ferred embodiments provide is synchronous
Motor is arranged in out frame 1 including out frame 1 and the stator core being arranged in out frame 13 and rotor core 6
There is a stator core 3, rotor core 6 is set to 3 inner wall of stator core and between stator core 3 there are gap, in stator core 3
It is provided with stator winding 4,4 interlayer of stator winding is provided with interlayer water channel 5.
As shown in Figure 1, Figure 2 and Figure 3, wherein stator winding 4 is enclosed with major insulation 11；Stator winding 4 includes stator upper layer
Winding 41 and stator lower layer winding 42 are provided with layer insulation above the lower section of stator upper layer winding 41 and stator lower layer winding 42
12, interlayer water channel 5 is arranged between layer insulation 12, cooling water is passed through in interlayer water channel 5, the cooling system of interlayer water channel 5 can
To effectively improve cooling effect of motor, the heat of Electric machine structure part is taken away.
Wherein, 1 inner wall of out frame is provided with spiral channel 2, and spiral channel 2 is arranged in out frame 1 and stator core 3
Between, it is passed through cooling water in spiral channel 2, effectively motor can be cooled down.
Wherein, it is provided with the equally distributed permanent magnet 7 of even number on 6 outer wall of rotor core, is arranged on the outer wall of permanent magnet 7
There is permanent magnet sheath 8, since high-speed permanent magnetic synchronous motor revolving speed is higher, the drawing that permanent magnet 7 cannot bear high speed rotation generation is answered
Power, it is necessary to safeguard measure be taken to permanent magnet, i.e., mounting material is the high strength permanent magnets of carbon fiber on the outer wall of permanent magnet 7
Sheath 8, it is therefore prevented that permanent magnet 7 is damaged due to by huge centrifugal force.
Wherein, shaft 9 is provided in rotor core 6, shaft 9 passes through bearing 10 and the stator being arranged on out frame 1
Base 1 is rotatablely connected, and rotor core 6 and shaft 9 use integral structure, and material is the high-intensitive carbon steel of magnetic conduction, is improved
The mechanical strength of motor.
Embodiment 2
A kind of high-speed permanent magnetic with stator winding interlayer water channel cooling system that present pre-ferred embodiments provide is synchronous
Motor is arranged in out frame 1 including out frame 1 and the stator core being arranged in out frame 13 and rotor core 6
There is a stator core 3, rotor core 6 is set to 3 inner wall of stator core and between stator core 3 there are gap, in stator core 3
It is provided with stator winding 4,4 interlayer of stator winding is provided with interlayer water channel 5.
As shown in Figure 4, wherein stator winding 4 is enclosed with major insulation 11；Stator winding 4 includes 41 He of stator upper layer winding
Stator lower layer winding 42 is provided with layer insulation 12, interlayer above the lower section of stator upper layer winding 41 and stator lower layer winding 42
Water channel 5 is arranged between layer insulation 12, cooling water is passed through in interlayer water channel 5, the cooling system of interlayer water channel 5 can be effectively
Cooling effect of motor is improved, the heat of Electric machine structure part is taken away.
Wherein, 1 inner wall of out frame is provided with spiral channel 2, and spiral channel 2 is arranged in out frame 1 and stator core 3
Between, it is passed through cooling water in spiral channel 2, effectively motor can be cooled down.
Wherein, it is provided with the equally distributed permanent magnet 7 of even number on 6 outer wall of rotor core, is arranged on the outer wall of permanent magnet 7
There is permanent magnet sheath 8, since high-speed permanent magnetic synchronous motor revolving speed is higher, the drawing that permanent magnet 7 cannot bear high speed rotation generation is answered
Power, it is necessary to safeguard measure be taken to permanent magnet, i.e., mounting material is the high strength permanent magnets of carbon fiber on the outer wall of permanent magnet 7
Sheath 8, it is therefore prevented that permanent magnet 7 is damaged due to by huge centrifugal force.
Wherein, 6 surface of rotor core is provided with equally distributed rotor axial ventilation gaps 13, rotor axial ventilation gaps
13 contact with the inner surface of permanent magnet 7, and rotor axial ventilation gaps 13 not only can effectively take away permanent magnet 7 and rotor core
6 heat improves the anti-demagnetization capability of permanent magnet 7, can also weaken the eddy current effect of rotor core 6, reduces rotor core 6
Eddy-current loss.
Wherein, shaft 9 is provided in rotor core 6, shaft 9 passes through bearing 10 and the stator being arranged on out frame 1
Base 1 is rotatablely connected, and rotor core 6 and shaft 9 use integral structure, and material is the high-intensitive carbon steel of magnetic conduction, is improved
The mechanical strength of motor.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system, it is characterised in that: including stator
Base (1) and the stator core (3) and rotor core (6) being arranged in out frame (1), the out frame (1) is interior to be set
It is equipped with stator core (3), the rotor core (6) is set to stator core (3) inner wall and there are skies between stator core (3)
Gap is provided with stator winding (4) on the stator core (3), and stator winding (4) interlayer is provided with interlayer water channel (5).
2. the high-speed permanent magnetic synchronous motor according to claim 1 with stator winding interlayer water channel cooling system, special
Sign is: the stator winding (4) is enclosed with major insulation (11).
3. the high-speed permanent magnetic synchronous motor according to claim 2 with stator winding interlayer water channel cooling system, special
Sign is: the stator winding (4) includes stator upper layer winding (41) and stator lower layer winding (42), stator upper layer winding
(41) it is provided with layer insulation (12) above lower section and stator lower layer winding (42), interlayer water channel (5) is arranged in layer insulation
(12) between.
4. the high-speed permanent magnetic synchronous motor according to claim 1 with stator winding interlayer water channel cooling system, special
Sign is: out frame (1) inner wall is provided with spiral channel (2), and the spiral channel (2) is arranged in out frame (1)
Between stator core (3).
5. the high-speed permanent magnetic synchronous motor according to claim 1 with stator winding interlayer water channel cooling system, special
Sign is: be provided with the equally distributed permanent magnet of even number (7) on rotor core (6) outer wall, the permanent magnet (7) it is outer
Permanent magnet sheath (8) are provided on wall.
6. the high-speed permanent magnetic synchronous motor according to claim 5 with stator winding interlayer water channel cooling system, special
Sign is: rotor core (6) surface is provided with equally distributed rotor axial ventilation gaps (13), and the rotor axial is logical
Wind gap (13) is contacted with the inner surface of the permanent magnet (7).
7. the high-speed permanent magnetic synchronous motor according to claim 1 with stator winding interlayer water channel cooling system, special
Sign is: being provided with shaft (9) in the rotor core (6), axis of the shaft (9) by setting on out frame (1)
(10) and out frame (1) are held to be rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662047.7A CN110224520A (en) | 2019-07-22 | 2019-07-22 | A kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662047.7A CN110224520A (en) | 2019-07-22 | 2019-07-22 | A kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110224520A true CN110224520A (en) | 2019-09-10 |
Family
ID=67813895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910662047.7A Pending CN110224520A (en) | 2019-07-22 | 2019-07-22 | A kind of high-speed permanent magnetic synchronous motor with stator winding interlayer water channel cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110224520A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794303A (en) * | 2021-09-24 | 2021-12-14 | 哈尔滨理工大学 | Triangle-connected high-speed permanent magnet synchronous motor winding wiring mode |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011036093A (en) * | 2009-08-05 | 2011-02-17 | Hitachi Automotive Systems Ltd | Rotating electric machine |
| CN103580383A (en) * | 2013-11-18 | 2014-02-12 | 沈阳工业大学 | Air-water-hybrid cooled high-speed permanent magnet motor with rotor under hybrid protection |
| CN104901481A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨理工大学 | Stator-winding vacuum water-cooled type non-salient pole generator |
| CN105939070A (en) * | 2016-05-11 | 2016-09-14 | 哈尔滨理工大学 | Air extraction type turbine generator stator capable of promoting heat dissipation |
| CN108711964A (en) * | 2018-06-13 | 2018-10-26 | 哈尔滨理工大学 | A kind of permanent magnet motor with built-in multistage fan formula two-way self-loopa ventilation cooling system |
| CN109361277A (en) * | 2018-10-31 | 2019-02-19 | 国网山东省电力公司电力科学研究院 | Large Synchronous Machine cooling structure of stator |
| CN210404887U (en) * | 2019-07-22 | 2020-04-24 | 哈尔滨理工大学 | High-speed permanent magnet synchronous motor with stator winding interlayer water channel cooling system |
-
2019
- 2019-07-22 CN CN201910662047.7A patent/CN110224520A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011036093A (en) * | 2009-08-05 | 2011-02-17 | Hitachi Automotive Systems Ltd | Rotating electric machine |
| CN103580383A (en) * | 2013-11-18 | 2014-02-12 | 沈阳工业大学 | Air-water-hybrid cooled high-speed permanent magnet motor with rotor under hybrid protection |
| CN104901481A (en) * | 2015-06-09 | 2015-09-09 | 哈尔滨理工大学 | Stator-winding vacuum water-cooled type non-salient pole generator |
| CN105939070A (en) * | 2016-05-11 | 2016-09-14 | 哈尔滨理工大学 | Air extraction type turbine generator stator capable of promoting heat dissipation |
| CN108711964A (en) * | 2018-06-13 | 2018-10-26 | 哈尔滨理工大学 | A kind of permanent magnet motor with built-in multistage fan formula two-way self-loopa ventilation cooling system |
| CN109361277A (en) * | 2018-10-31 | 2019-02-19 | 国网山东省电力公司电力科学研究院 | Large Synchronous Machine cooling structure of stator |
| CN210404887U (en) * | 2019-07-22 | 2020-04-24 | 哈尔滨理工大学 | High-speed permanent magnet synchronous motor with stator winding interlayer water channel cooling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794303A (en) * | 2021-09-24 | 2021-12-14 | 哈尔滨理工大学 | Triangle-connected high-speed permanent magnet synchronous motor winding wiring mode |
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