CN106411084A - High power mixed excitation motor with novel water-cooling structure - Google Patents
High power mixed excitation motor with novel water-cooling structure Download PDFInfo
- Publication number
- CN106411084A CN106411084A CN201610880101.1A CN201610880101A CN106411084A CN 106411084 A CN106411084 A CN 106411084A CN 201610880101 A CN201610880101 A CN 201610880101A CN 106411084 A CN106411084 A CN 106411084A
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- China
- Prior art keywords
- stator core
- excitation
- winding
- motor
- cooling structure
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- 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.)
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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
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to the technical field of motor cooling, in particular relates to a high power mixed excitation motor with a novel water-cooling structure. The motor comprises a stator core, a rotor core and a rotating shaft which are coaxially arranged; two groups of annular excitation windings distributed along a stator core axial direction at intervals, multiple groups of armature windings in annular interval distribution are arranged on a circumference inner surface of the stator core; multiple groups of pole structures are sleeved on the circumference outer surface of the rotor core, a plurality of radiating pipes with cold medium therein penetrate the stator core, and the plurality of radiating pipes are arranged along the circumference direction at intervals to form an annular radiating structure surrounding between the armature winding and the annular excitation winding. The radiating pipes are arranged between the armature winding and the annular excitation winding, the heat conduction rate is accelerated, the problem that the large excitation motor winding heating is hard to radiate is greatly improved, and the motor has huge popularization value.
Description
Technical field
The present invention relates to motor cooling technology field, in particular to a kind of high-power hybrid-excitation with water cooling structure
Motor.
Background technology
The type of cooling of conventional motors is broadly divided into air cooling and water-cooled, and air cooling mode is arranged radially generally in stator core
Air duct, forms radial direction wind path, takes away, by cooling air, the heat producing in motor operation, reduces the mesh of motor temperature
's；Water-cooling pattern generally installs water cooling base or axial water pipe additional stator core is cylindrical, by the cold water that circulates or cold
Medium belt walks the heat in motor rotation, reduces the purpose of motor temperature.Due to high-power hybrid-excitation motor stator knot
The particularity of structure, in addition to traditional stator core and armature winding, also stator magnetic conduction sleeve and two groups of circular excitation windings,
Stator loss increases, and increases stator radiating difficulty.Stator magnetic conduction sleeve is solid construction, according to Radial ventilation duct cooling,
Radial direction wind path cannot be formed.In addition, the circular excitation winding in high-power hybrid-excitation motor is the important composition adjusting magnetic field
Part, heat produced by Exciting Windings for Transverse Differential Protection energising is larger, and prior art is usually to install water-cooled additional in stator magnetic conduction cartridge exterior
Support or axial water pipe, the heat that Exciting Windings for Transverse Differential Protection produces is taken away through axial water pipe after the conduction of magnetic conduction sleeve and stator, passes
Lead distant, cooling effect is not good, therefore, traditional cooling structure cannot be applied to high-power hybrid-excitation motor.If
Cooling structure of stator design is unreasonable, leads to stator heat can not derive in time, and the operation steady in a long-term of motor will be brought not
Profit impact.
Content of the invention
Present invention aim to solving in the existing high-power hybrid-excitation motor mentioned in above-mentioned background technology
Cooling structure, apart from the too remote bad problem of cooling effect of Exciting Windings for Transverse Differential Protection, provides a kind of high-power mixing with water cooling structure
Excitation electromotor.
The technical scheme is that：A kind of high-power hybrid-excitation motor with water cooling structure, including coaxial cloth
Stator core, rotor core and the rotating shaft put；Described stator core circumferential outer surface is arranged with magnetic conduction sleeve, in stator core
It is provided with least two groups along stator core axis direction spaced apart circular excitation winding, on the circumferential inner surface of stator core
It is provided with multigroup armature winding laid along parallel shaft axial direction, multigroup armature winding is along between the circumferencial direction of stator core
Every arrangement；It is arranged with multigroup field structure on the circumferential outer surface of described rotor core,
It is characterized in that：It is equipped with the radiating tube that many inside are connected with cold medium, many radiatings in described stator core
The circumferentially spaced arrangement of pipe forms and is looped around armature winding and circular excitation winding centered on the axis of stator core
Between annular heat radiation structure.
Further described radiating tube is along the direction insertion stator core of parallel stator core axis.
Further described radiating tube circumferential outer surface is connected with stator core interference fit.
Further by least three ring sets, the coaxial iron hoop outside rotor core forms for described stator core, iron hoop
Formed by silicon steel plate stacking, multiple iron hoop arranged for intervals, between two neighboring iron hoop, be provided with one group of circular excitation winding；Described
Circular excitation winding near stator core circumferential outer surface.
Further every group of field structure includes two pieces of poles unshakable in one's determination and two pieces of permanent-magnet poles；Two pieces of poles unshakable in one's determination with shaft axis are
Center positioned opposite on the circumferential outer surface of rotor core, two pieces of permanent-magnet poles centered on shaft axis positioned opposite in rotor
On circumferential outer surface unshakable in one's determination, pole unshakable in one's determination and the spaced staggered arrangement of permanent-magnet pole.
Further multigroup field structure is along rotating shaft axial direction arranged for interval, the pole unshakable in one's determination in two adjacent groups field structure
The interlaced arrangement with permanent-magnet pole.
The present invention, by being arranged in radiating tube between armature winding and circular excitation winding, shortens radiating tube and winding
Distance, improve the efficiency of conduction of heat, accelerate the speed of conduction of heat, high degree improve large-scale excitation electromotor winding
The problem of heating not easy heat radiation, has great promotional value.
Brief description
Fig. 1：The longitudinal cross-section structural representation of the present invention；
Fig. 2：The lateral cross section structural representation of the present invention；
Wherein：1 magnetic conduction sleeve；2 circular excitation windings；3 stator cores；4 radiating tubes；5 armature winding；
6 poles unshakable in one's determination；7 rotor cores；8 permanent-magnet poles；9 rotating shafts.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As Fig. 1～2, including stator core 3, rotor core 7 and rotating shaft 9, three is coaxially arranged, and wherein, rotating shaft 9 is placed in and turns
On the central shaft of son unshakable in one's determination 7, rotor core 7 is placed on the central shaft of stator core 3.The stator core 3 of the present embodiment is three sections
Iron hoop forms, and every iron leg ring is formed by silicon steel plate stacking, and three iron leg rings are coaxially arranged, mutual along the axis direction of parallel shaft 9
Arranged for interval, the present embodiment is provided with circular excitation winding 2 between stator core 3, and two groups of circular excitation windings 2 are along parallel turn
The spaced arrangement of axis direction of axle 9, the inside circumference end face of stator core 3 offers multiple axles along parallel shaft 9
To the mounting groove in direction, mounting groove is embedded with armature winding 5, and armature winding 5 is the electric wire along parallel shaft 9 axial direction arrangement
Winding, multigroup armature winding 5 circumferencial direction along iron hoop centered on the axis of rotating shaft 9 is ringwise distributed, and produces magnetic after energising
, armature winding 5 is not in contact with each other with circular excitation winding 2, and armature winding 5 is located at the circumferential inner surface of stator core 3, and annular is encouraged
Magnetic winding 2 is close to the circumferential outer surface of stator core 3.Stator core 3 circumferential outer surface is arranged with magnetic conduction sleeve 1.
The rotor core 7 of the present embodiment is fixed in rotating shaft 9, and the circumferential outer surface of rotor core 7 is provided with pole 6 unshakable in one's determination
With permanent-magnet pole 8, two pieces of poles 6 unshakable in one's determination and two pieces of permanent-magnet pole 8 combination one group of field structures of formation, rotor core 7 is provided with multigroup
Field structure, multigroup field structure is along the axial direction arranged for interval of rotor core 7, the pole unshakable in one's determination in two adjacent groups field structure
6 and permanent-magnet pole 8 be in be staggered, positioned opposite centered on rotating shaft 9 axial direction with two pieces of poles 6 unshakable in one's determination in group field structure,
Every 180 °, two pieces of same permanent-magnet poles 8 are positioned opposite centered on rotating shaft 9 axis, and interval is also 180 °.
The armature winding 5 of the present embodiment and circular excitation winding 2 can produce substantial amounts of heat, in use in order to conduct
This is partly hot, and the present embodiment is equipped with the radiating tube 4 that many inside are connected with cold medium in stator core 3, and radiating tube 4 is along parallel
The axis direction insertion stator core 3 of stator core 3, the entrance point of radiating tube 4 and the port of export are respectively positioned on the outer of stator core 3
Portion, radiating tube 4 so that its circumferential outer surface is connected with stator core 3 interference fit by expansion tube process it is ensured that radiating tube 4 and stator
Unshakable in one's determination 3 sufficiently contact, and have good heat dispersion.
The present embodiment is provided with many radiating tubes 4 in stator core 3, and many radiating tubes 4 with the axis of stator core 2 are
Circumferencial direction centrally along stator core 3 is ringwise spaced apart, and radiating tube 4 is arranged in armature winding 5 and circular excitation winding 2
Between.
When actually used, by being passed through cold medium into radiating tube 4, cold medium flows through radiating tube 4 by armature winding 5 and ring
The heat that shape Exciting Windings for Transverse Differential Protection 2 produces is taken away, it is to avoid heat is deposited in a large number in stator core 3 and leads to its impact that is rapidly heated to make
With.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
Invention principle, without departing from the spirit and scope of the present invention the present invention also have various changes and modifications, these change
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent defines.
Claims (6)
1. a kind of high-power hybrid-excitation motor with water cooling structure, including coaxially arranged stator core (3), rotor ferrum
The heart (7) and rotating shaft (9)；Described stator core (3) circumferential outer surface is arranged with magnetic conduction sleeve (1), and stator core (3) is upper to install
There are at least two groups along the spaced apart circular excitation winding of stator core (3) axis direction (2), in the circumference of stator core (3)
Multigroup armature winding (5) laid vertically is provided with surface, multigroup armature winding (5) is along the circumference side of stator core (3)
To arranged for interval；It is arranged with multigroup field structure on the described circumferential outer surface of rotor core (7),
It is characterized in that：It is equipped with the radiating tube (4) that many inside are connected with cold medium, many dissipate in described stator core (3)
The circumferentially spaced arrangement of heat pipe (4) forms and is looped around armature winding (5) and ring centered on the axis of stator core (3)
Annular heat radiation structure between shape Exciting Windings for Transverse Differential Protection (2).
2. as claimed in claim 1 a kind of high-power hybrid-excitation motor with water cooling structure it is characterised in that：Described
Radiating tube (4) along parallel stator core (3) axis direction insertion stator core (3).
3. as claimed in claim 1 or 2 a kind of high-power hybrid-excitation motor with water cooling structure it is characterised in that：
Described radiating tube (4) circumferential outer surface is connected with stator core (3) interference fit.
4. as claimed in claim 1 a kind of high-power hybrid-excitation motor with water cooling structure it is characterised in that：Described
Stator core (3) by least three ring sets, the coaxial iron hoop outside rotor core (7) forms, iron hoop is by silicon steel plate stacking
Become, multiple iron hoop arranged for intervals, between two neighboring iron hoop, be provided with one group of circular excitation winding (2)；Described circular excitation
Winding (2) is near stator core (3) circumferential outer surface.
5. as claimed in claim 1 a kind of high-power hybrid-excitation motor with water cooling structure it is characterised in that：Every group
Field structure includes two pieces of poles (6) unshakable in one's determination and two pieces of permanent-magnet poles (8)；Two pieces of poles (6) unshakable in one's determination are relative centered on rotating shaft (9) axis
Be arranged on the circumferential outer surface of rotor core (7), two pieces of permanent-magnet poles (8) centered on rotating shaft (9) axis positioned opposite in turning
On the circumferential outer surface of son iron core (7), pole (6) unshakable in one's determination and the spaced staggered arrangement of permanent-magnet pole (8).
6. as claimed in claim 1 a kind of high-power hybrid-excitation motor with water cooling structure it is characterised in that：Multigroup
Field structure is along rotating shaft (9) axial direction arranged for interval, the pole unshakable in one's determination (6) in two adjacent groups field structure and permanent-magnet pole (8) phase
Mutually interlaced arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880101.1A CN106411084A (en) | 2016-10-09 | 2016-10-09 | High power mixed excitation motor with novel water-cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880101.1A CN106411084A (en) | 2016-10-09 | 2016-10-09 | High power mixed excitation motor with novel water-cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106411084A true CN106411084A (en) | 2017-02-15 |
Family
ID=59229644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610880101.1A Pending CN106411084A (en) | 2016-10-09 | 2016-10-09 | High power mixed excitation motor with novel water-cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106411084A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900837A (en) * | 2020-04-30 | 2020-11-06 | 南京理工大学 | Device and method for directly cooling end winding of flat permanent magnet motor |
| CN112787465A (en) * | 2021-01-29 | 2021-05-11 | 沈阳工业大学 | High-power-density outer rotor permanent magnet motor heat dissipation device based on heat dissipation copper pipe technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101095273A (en) * | 2003-11-05 | 2007-12-26 | 艾拉斯科普库空气动力股份有限公司 | Improved cooling for an electric motor or generator |
| CN201134709Y (en) * | 2007-12-25 | 2008-10-15 | 哈尔滨理工大学 | High-voltage generator of stator winding with circular cross section |
| CN101557131A (en) * | 2008-04-10 | 2009-10-14 | 西门子公司 | Generator with a stator comprising cooling ducts and method for cooling a laminated stator of a generator |
| CN103560637A (en) * | 2013-11-20 | 2014-02-05 | 中国人民解放军海军工程大学 | Mixed excitation synchronous generator high in power density |
| CN203589868U (en) * | 2013-11-28 | 2014-05-07 | 杭州雪尔电器有限公司 | External rotor motor |
-
2016
- 2016-10-09 CN CN201610880101.1A patent/CN106411084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101095273A (en) * | 2003-11-05 | 2007-12-26 | 艾拉斯科普库空气动力股份有限公司 | Improved cooling for an electric motor or generator |
| CN201134709Y (en) * | 2007-12-25 | 2008-10-15 | 哈尔滨理工大学 | High-voltage generator of stator winding with circular cross section |
| CN101557131A (en) * | 2008-04-10 | 2009-10-14 | 西门子公司 | Generator with a stator comprising cooling ducts and method for cooling a laminated stator of a generator |
| CN103560637A (en) * | 2013-11-20 | 2014-02-05 | 中国人民解放军海军工程大学 | Mixed excitation synchronous generator high in power density |
| CN203589868U (en) * | 2013-11-28 | 2014-05-07 | 杭州雪尔电器有限公司 | External rotor motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900837A (en) * | 2020-04-30 | 2020-11-06 | 南京理工大学 | Device and method for directly cooling end winding of flat permanent magnet motor |
| CN111900837B (en) * | 2020-04-30 | 2022-09-06 | 南京理工大学 | Device and method for directly cooling end winding of flat permanent magnet motor |
| CN112787465A (en) * | 2021-01-29 | 2021-05-11 | 沈阳工业大学 | High-power-density outer rotor permanent magnet motor heat dissipation device based on heat dissipation copper pipe technology |
| CN112787465B (en) * | 2021-01-29 | 2024-05-14 | 沈阳工业大学 | High-power density outer rotor permanent magnet motor heat dissipation device based on heat dissipation copper pipe technology |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |