CN106411011B - Water inner cold motor rotor - Google Patents
Water inner cold motor rotor Download PDFInfo
- Publication number
- CN106411011B CN106411011B CN201611093181.2A CN201611093181A CN106411011B CN 106411011 B CN106411011 B CN 106411011B CN 201611093181 A CN201611093181 A CN 201611093181A CN 106411011 B CN106411011 B CN 106411011B
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- Prior art keywords
- water
- rotor
- motor
- shaft
- copper pipe
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Classifications
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- 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
- H02K1/32—Rotating 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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention mainly relates to a kind of water inner cold motor rotors, belong to permanent magnet motor technical field；Mainly it is made of rotor core, rotor field spider, rotor end plates, spiral copper pipe and shaft；Rotor field spider is made of support plate, rotor yoke circle and wheel hub；Spiral copper pipe is provided in rotor field spider, two ports of spiral copper pipe are connected with shaft into water route and water outlet path respectively.By intake rotating water head direct water into shaft rear end into water route, water enters back into spiral copper pipe, after helix tube enter shaft front end water outlet path, finally by water outlet rotating water head be discharged.The present invention takes full advantage of the hollow structure of motor rotor rack, and the good heat-conducting medium of heat conductivility is increased inside motor, rotor heat is directly taken away using flowing water.The volume of motor, especially low speed high torque magnetic-synchro motor can be reduced.
Description
Technical field
The invention belongs to Design of PM Motor fields, are related specifically to the interior cooling skill of low speed large torque moment permanent-magnet synchronous motor
Art.
Background technology
The features such as magneto is flexible and changeable with its, energy-efficient is used widely.Especially low speed large torque moment permanent-magnet
Synchronous motor, numerous areas instead of asynchronous machine acceleration and deceleration machine traditional transmission mode, improve transmission efficiency.But with
The expansion of application range, it is desirable that such motor can realize the more slow-speed of revolution and bigger torque.Cause low speed large torque moment permanent-magnet same
The volume for walking motor is increasing, therefore torque bulk density becomes the important indicator that this motor is pursued.
It is mostly flat structure that the characteristic of low speed large torque moment permanent-magnet synchronous motor, which causes its shape,.With leptosomatic motor
It compares, effective heat dissipation area is smaller.Moreover, because armature is relatively large in diameter, cause inside motor, especially rotor portion
Mostly hollow structure, air proportion are larger.It can be followed again using to generate larger air without high-speed rotating rotor
Ring, the heat inside motor can only be slowly transmitted to by almost static air on the structural members such as casing, end cap；Or turning
Flabellum is installed in sub- end face or shaft, the purpose for improving heat transfer efficiency is realized by agitation air.Even if in this way, inside motor
Still air heat transfer is only leaned on.It causes the heat inside low speed large torque moment permanent-magnet synchronous motor to shed slowly, affects torque
The raising of bulk density..
Invention content
Goal of the invention
Above-mentioned in order to solve the problems, such as, the present invention proposes a kind of water inner cold motor rotor.It is particularly suitable for low speed
Large torque moment permanent-magnet synchronous motor can direct water into internal rotor, by the higher water of specific heat capacity come directly cooling rotor, directly
Reduction rotor temperature rise is connect, and then reduces entirety Wen Sheng inside motor.It is further real again by the flabellum agitation air of rotor end-face
The torque bulk density of existing motor, especially low speed high torque magnetic-synchro motor bigger.
Technical solution
The present invention is achieved through the following technical solutions：
A kind of water inner cold motor rotor, it is characterised in that：Mainly by rotor core, rotor field spider, rotor end plates, spiral copper
Pipe and shaft composition；Rotor field spider is made of support plate, rotor yoke circle and wheel hub；The hollow space setting branch of rotor yoke ring shape
Fagging, support plate be with certain thickness annular, and be equipped with equally distributed hole；The hollow space setting of 18 annular of support plate
Wheel hub；The thickness of support plate refers to enough concentricitys for ensureing rotor yoke circle and wheel hub；Spiral copper pipe is provided in rotor field spider,
Spiral copper pipe is wound on the inner wall of rotor yoke circle of support plate both sides, by support plate between the spiral copper pipe of both sides
The bridging in hole is logical；Have inside the both ends of shaft into water route and water outlet path, two ports of spiral copper pipe respectively with shaft into
Water route is connected with water outlet path；The both ends of shaft are respectively connected with rotating water head, and water inlet rotating water head is connected into water route, water outlet
Rotating water head connects water outlet path；Rotor end plates are fixed on the both ends of rotor field spider.
Water outlet rotating water head is bolted on bent plate, and water inlet rotating water head is bolted on rear end cap
On.
Bent plate bottom is fixed on the base, and pedestal links together with motor base, and in same level.
Flabellum is installed in rotor end plates.
It is not connected into water route and water outlet path.
It is concentric into the axle center of water route hole and machine shaft；The axle center of water outlet path hole and machine shaft decentraction.
The water inner cold motor rotor specially is suitable for low speed large torque moment permanent-magnet motor.
Advantage and effect
The invention has the advantages that and advantageous effect：
Water inner cold motor rotor proposed by the present invention, takes full advantage of the hollow of low speed large torque moment permanent-magnet motor rotor rack
Structure increases the good heat-conducting medium of heat conductivility inside motor, rotor heat is directly taken away using flowing water.Electricity can be reduced
The volume of machine, especially low speed high torque magnetic-synchro motor.
Description of the drawings
Fig. 1 is the motor overall structure diagram with rotor of the present invention.
Fig. 2 is the structural schematic diagram of rotor field spider of the present invention.
Fig. 3 is rotor structure diagrammatic cross-section of the present invention.
Fig. 4 is rotor spiral copper pipe schematic diagram of the present invention.
Reference sign：
1. pedestal, 2. water outlet rotating water heads, 3. bolts, 4. bent plates, 5. shafts, 6. water outlet paths, 7. spiral copper pipes,
8. flabellum, 9. rotor end plates, 10. permanent magnets, 11. rotor field spiders, 12. bridges, 13. rotor cores, 14. into water route,
15. rear end cap, 16. water inlet rotating water heads, 17. motor bases, 18. support plates, 19. rotor yoke circles, 20. wheel hubs,
21. hole.
Specific implementation mode
Following further describes the present invention with reference to the drawings：
The present invention provides a kind of water inner cold motor rotors, as shown in figures 1 and 3, mainly by rotor core 13, rotor branch
Frame 11, rotor end plates 9, spiral copper pipe 7 and shaft 5 form；As shown in Fig. 2, rotor field spider 11 is by support plate 18, rotor yoke circle 19
It is formed with wheel hub 20.Support plate 18 is arranged in the hollow space of 19 annular of rotor yoke circle, and support plate 18 is with certain thickness ring
Shape, and it is equipped with equally distributed hole 21；Wheel hub 20 is arranged in the hollow space of 18 annular of support plate；The thickness of support plate 18 refers to foot
Enough ensure the concentricity of rotor yoke circle and wheel hub.Spiral copper pipe 7, as shown in Figure 3 and Figure 4, spiral are provided in rotor field spider 11
Copper pipe 7 is wound on the inner wall of the rotor yoke circle 19 of 18 both sides of support plate, by passing through support plate 18 between the spiral copper pipe 7 of both sides
On hole 21 bridge 12 be connected to；Have inside the both ends of shaft 5 into water route 14 and water outlet path 6, two ports point of spiral copper pipe 7
It is not connected into water route 14 and water outlet path 6 with shaft 5；The both ends of shaft 5 are respectively connected with rotating water head, rotating water of intaking
First 16 connect into water route 14, and water outlet rotating water head 2 connects water outlet path 6；Rotor end plates 9 are fixed on the both ends of rotor field spider 11.
By intake rotating water head 16 direct water into 5 rear end of shaft into water route 14, water enters back into spiral copper pipe 7, by spiral
The water outlet path 6 for entering 5 front end of shaft after pipeline, is finally discharged by water outlet rotating water head 2.
Water outlet rotating water head 2 is fixed on by bolt 3 on bent plate 4, and water inlet rotating water head 16 is fixed on by bolt 3
On rear end cap 15, rear end cap can be made full use of, supporter is not further added by.And rotating water head of intaking be fixed on it is good on bent plate
Place is can to concede the position of shaft external part to load for connection, and cannot be directly anchored on drive end bearing bracket.
4 bottom of bent plate is fixed on pedestal 1, and pedestal 1 links together with motor base 17, and in same level
On.It is maintained at the same horizontal plane to ensure that water inlet rotating water head and shaft are concentric.
Flabellum 8 is installed in rotor end plates 9, the purpose for improving heat transfer efficiency is realized by agitation air.
It is not connected into both water route 14 and water outlet path 6, flow can be forced to have to flow through spiral copper pipe, to play cooling
The effect of rotor.
It is concentric into the axle center of 14 hole of water route and machine shaft 5；The axle center of 6 hole of water outlet path and 5 decentraction of machine shaft,
Water outlet efficiency is improved using centrifugal force.
The water inner cold motor rotor specially is suitable for low speed large torque moment permanent-magnet motor.Low speed can be made full use of to turn greatly
The hollow structure of torque permanent magnet motor rotor rack increases the good heat-conducting medium of heat conductivility inside motor, utilizes flowing water
Directly take away rotor heat.The volume of motor, especially low speed high torque magnetic-synchro motor can be reduced.
Working principle of the present invention is as follows：
As shown in Figure 1：Magneto with rotor of the present invention is each provided with a rotation water in the rear and front end of shaft 5
Connector, water inlet rotating water head 16 and water outlet rotating water head 2, the water outlet rotating water head 2 being connect with 5 external part of shaft passes through
Bolt 3 is fixed with bent plate 4.Bent plate 4 is connect by bolt with pedestal 1, and pedestal 1 links together with motor base 17, and
In same level.The water inlet rotating water head 16 being connect with 5 rear end of shaft is solid by the rear end cap 15 of bolt 3 and rear bearing
It is fixed.
By intake rotating water head 16 direct water into inside 5 rear end of shaft into water route 14, water enter back into setting exists
In spiral copper pipe 7 inside rotor field spider 11, after flowing through spiral copper pipe 7, into the water outlet path being arranged inside 5 external part of shaft
6, most it is discharged afterwards through being discharged rotating water head 2.Especially：It is concentric into the axle center of 14 hole of water route and machine shaft 5；Water outlet path 6
The axle center of hole and 5 decentraction of machine shaft；To improve water outlet efficiency using centrifugal force.
As shown in Figure 2：Rotor field spider 11 of the present invention is tubular, is provided with support plate 18 inside it, is set in support plate 18
It is equipped with equally distributed hole.The spiral copper pipe 7 being arranged in rotor field spider 11 is connected by bridge 12.Bridge 12 passes through in support plate 18
Some hole.Rotor core 13 is installed, rotor core 13 includes permanent magnet on the rotor field spider 11 between two rotor end plates 9
10.Rotor end plates 9 can prevent the axial transmission of permanent magnet 10, be equipped with flabellum 8 in rotor end plates 9, be used for agitation air, into
One step realizes the torque bulk density of motor bigger.
Claims (7)
1. a kind of water inner cold motor rotor, it is characterised in that：Mainly by rotor core（13）, rotor field spider（11）, rotor end plates
（9）, spiral copper pipe（7）And shaft（5）Composition；Rotor field spider（11）By support plate（18）, rotor yoke circle（19）And wheel hub（20）
Composition；Rotor yoke circle（19）Support plate is arranged in the hollow space of annular（18）, support plate（18）For with certain thickness annular,
And it is equipped with equally distributed hole（21）；Wheel hub is arranged in the hollow space of 18 annular of support plate（20）；Support plate（18）Thickness be
Refer to the concentricity for ensureing rotor yoke circle and wheel hub enough；Rotor field spider（11）Inside it is provided with spiral copper pipe（7）, spiral copper pipe（7）
It is wound on support plate（18）The rotor yoke circle of both sides（19）Inner wall on, the spiral copper pipe of both sides（7）Between by passing through support plate
（18）On hole（21）Bridge（12）Connection；Shaft（5）Both ends inside have into water route（14）And water outlet path（6）, spiral copper
Pipe（7）Two ports respectively with shaft（5）Into water route（14）And water outlet path（6）It is connected；Shaft（5）Both ends be all connected with
There is rotating water head, rotating water head of intaking（16）It connects into water route（14）, it is discharged rotating water head（2）Connect water outlet path（6）；
Rotor end plates（9）It is fixed on rotor field spider（11）Both ends.
2. water inner cold motor rotor according to claim 1, it is characterised in that：It is discharged rotating water head（2）Pass through bolt
（3）It is fixed on bent plate（4）On, rotating water head of intaking（16）Pass through bolt（3）It is fixed on rear end cap（15）On.
3. water inner cold motor rotor according to claim 2, it is characterised in that：Bent plate（4）Bottom is fixed on pedestal（1）
On, pedestal（1）With motor base（17）It links together, and in same level.
4. water inner cold motor rotor according to claim 1, it is characterised in that：Rotor end plates（9）On flabellum is installed
（8）.
5. water inner cold motor rotor according to claim 1, it is characterised in that：Into water route（14）And water outlet path（6）Mutually not
It communicates.
6. water inner cold motor rotor according to claim 1, it is characterised in that：Into water route（14）The axle center of hole and motor
Shaft（5）With one heart；Water outlet path（6）The axle center of hole and machine shaft（5）Decentraction.
7. according to the water inner cold motor rotor described in claim 1,2,3,4,5 or 6, it is characterised in that：For low speed high torque
Permanent magnet motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093181.2A CN106411011B (en) | 2016-12-02 | 2016-12-02 | Water inner cold motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093181.2A CN106411011B (en) | 2016-12-02 | 2016-12-02 | Water inner cold motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106411011A CN106411011A (en) | 2017-02-15 |
| CN106411011B true CN106411011B (en) | 2018-10-16 |
Family
ID=58084282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093181.2A Active CN106411011B (en) | 2016-12-02 | 2016-12-02 | Water inner cold motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106411011B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425956A (en) * | 2018-05-16 | 2018-08-21 | 嘉兴市乍浦杭湾重型机械有限公司 | A kind of birotor hydroelectric generator forging |
| DE102018221569A1 (en) * | 2018-12-12 | 2020-06-18 | Thyssenkrupp Ag | Rotor device for an electrical machine and electrical machine |
| CN110556950B (en) * | 2019-09-29 | 2020-06-09 | 哈尔滨工业大学 | Internal rotor cooling type pulse generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3300200B2 (en) * | 1995-06-20 | 2002-07-08 | 株式会社日立製作所 | Rotating electric machines and electric vehicles |
| CN102007668A (en) * | 2008-04-18 | 2011-04-06 | 利莱森玛发电机有限公司 | Electric machine with separate double ventilation |
| 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 |
| WO2014171224A1 (en) * | 2013-04-17 | 2014-10-23 | 株式会社豊田自動織機 | Rotating electric machine |
| CN105745817A (en) * | 2013-11-26 | 2016-07-06 | 西门子公司 | Device comprising an electric machine with a lightweight design |
| CN206349829U (en) * | 2016-12-02 | 2017-07-21 | 沈阳工业大学 | Water inner cold motor rotor |
-
2016
- 2016-12-02 CN CN201611093181.2A patent/CN106411011B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3300200B2 (en) * | 1995-06-20 | 2002-07-08 | 株式会社日立製作所 | Rotating electric machines and electric vehicles |
| CN102007668A (en) * | 2008-04-18 | 2011-04-06 | 利莱森玛发电机有限公司 | Electric machine with separate double ventilation |
| WO2014171224A1 (en) * | 2013-04-17 | 2014-10-23 | 株式会社豊田自動織機 | 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 |
| CN105745817A (en) * | 2013-11-26 | 2016-07-06 | 西门子公司 | Device comprising an electric machine with a lightweight design |
| CN206349829U (en) * | 2016-12-02 | 2017-07-21 | 沈阳工业大学 | Water inner cold motor rotor |
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| Publication number | Publication date |
|---|---|
| CN106411011A (en) | 2017-02-15 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Ning Inventor after: Wang Xiaoyu Inventor after: Chen Lixiang Inventor after: Wang Kaidong Inventor before: Sun Ning Inventor before: Wang Xiaoyu Inventor before: Chen Lixiang |
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| CB03 | Change of inventor or designer information | ||
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| GR01 | Patent grant |