CN208369409U - A kind of permanent magnet direct driving motor with cooling structure - Google Patents
A kind of permanent magnet direct driving motor with cooling structure Download PDFInfo
- Publication number
- CN208369409U CN208369409U CN201821119562.8U CN201821119562U CN208369409U CN 208369409 U CN208369409 U CN 208369409U CN 201821119562 U CN201821119562 U CN 201821119562U CN 208369409 U CN208369409 U CN 208369409U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- stator
- rotor
- shaft
- cooling duct
- 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.)
- Active
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of permanent magnet direct driving motors with cooling structure, including shaft, the both ends of the shaft is provided with bearing, the outer ring of the bearing is connected with outer housing, stator is provided on the inside of the outer housing, rotor corresponding with stator is provided in the shaft, the outer side of shell is provided with coolant jacket, spiral cooling tube is provided between the coolant jacket and shell, the two side ends of the outer housing, which cover, is provided with several ventilation holes, vane device is provided in the shaft, the stator includes the stator core equipped with wire casing, the armature winding being embedded in stator core wire casing, stator pole shoes and the permanent magnet for being installed on stator pole shoes surface；Permanent magnet is arranged successively along motor radial magnetizing, permanent magnet along the circumference of motor gas-gap；The rotor includes rotor core and rotor with salient pole；Air gap is equipped between motor stator and rotor, structure is simple, and operating rate is high, and has double cooling structures, good heat dissipation effect, and using effect is more preferable.
Description
Technical field
The utility model relates to a kind of motor more particularly to a kind of permanent magnet direct driving motors with cooling structure.
Background technique
According to design of electrical motor principle, in the case where rated power determines, rotary speed of rotator is higher, the volume of motor,
Weight and manufacturing cost are with regard to smaller.It is usually huge using volume in low speed occasions such as much wind-power electricity generations, electric car drivings
The mechanical devices such as big gear-box carry out variable speed drives, need it to take into account design requirement and the big torque of the slow-speed of revolution of high-speed motor
Between contradiction.And the use of a large amount of mechanical devices inevitably will bring noise, mechanical loss and need periodic maintenance etc.
Problem, and the complexity and volume and weight that structure will be obviously increased.
Direct driving motor is used directly for speed operation, eliminates the intermediate conversions device such as additional gear-box, significantly simple
Change system structure, reduces the volume and weight of whole system, meanwhile, reliability, efficiency and power density of system etc. will
It is effectively improved, therefore, direct driving motor is increasingly becoming the research hotspot of domestic and foreign scholars.But since direct driving motor is transported
Scanning frequency degree is low, and generally conventional direct driving motor has volume big, and stator and rotor have much the features such as to pole, to motor manufacturing and
Installation brings very big difficulty, and manufacturing cost is higher, and permanent magnet direct driving motor is generating a large amount of heat using big city, and shows
Some permanent magnet direct driving motors mostly lack cooling structure, and heat dissipation effect is poor, and using effect is undesirable.
Utility model content
To solve the above problems, the utility model provides a kind of permanent magnet direct driving motor with cooling structure, structure is simple, fortune
Scanning frequency rate is high, and has double cooling structures, good heat dissipation effect, and using effect is more preferable.
To achieve the above object, the utility model uses following technological means:
The utility model provides a kind of permanent magnet direct driving motor with cooling structure, including shaft, the both ends of the shaft setting
Have a bearing, the outer ring of the bearing is connected with outer housing, is provided with stator on the inside of the outer housing, be provided in the shaft with
The corresponding rotor of stator, the outer side of shell are provided with coolant jacket, are provided with spiral cooling tube between the coolant jacket and shell,
The two side ends of the outer housing, which cover, is provided with several ventilation holes, vane device is provided in the shaft, the stator includes
Stator core equipped with wire casing, the armature winding in insertion stator core wire casing, stator pole shoes and it is installed on stator pole shoes table
The permanent magnet in face；Permanent magnet is arranged successively along motor radial magnetizing, permanent magnet along the circumference of motor gas-gap；The rotor
Including rotor core and rotor with salient pole；Air gap is equipped between motor stator and rotor.
Further, the spiral cooling tube includes double helix cooling duct, and shell one end is equipped with coolant inlet and cooling
Liquid outlet, double helix cooling duct include the first spiral cooling duct for being connected to coolant inlet and be connected to cooling liquid outlet the
Two spiral cooling ducts, the first spiral cooling duct and the second spiral cooling duct are wound each along the axial direction of shell, and the first spiral is cooling
Road and the second spiral cooling duct are interspersed, and the first spiral cooling duct and the second spiral cooling duct in shell far from coolant liquid
The other end of entrance and cooling liquid outlet is interconnected, and facilitates addition coolant liquid, is conducive to preferably be cooled down.
Further, it is provided with airstrainer outside the ventilation hole, is conducive to preferably cross air filtering, is conducive to more
Good cool down.
Further, the vane device includes flabellum seat, and the fixation spiral shell fixed with shaft is provided on the flabellum seat
Pit is correspondingly arranged on several flabellums on the flabellum seat, and convenient for preferably connecting with shaft, convenient disassembly is convenient for safeguarding.
Further, the permanent magnet on the stator pole shoes is along motor radial magnetizing, and adjacent permanent magnet magnetizing direction
The structure on the contrary, composition N-S alternately magnetizes, makes the magnetic flux density in air gap at class Sine distribution, is conducive to preferably improve motor
Operating rate.
Further, several grooves one are provided on the inside of the stator pole shoes, the permanent magnet epoxy resin encapsulated exists
In groove one, several grooves two are provided on the inside of the stator core, the stator pole shoes are provided with several corresponding with groove two
Convex block, the convex block connect with two encapsulating of groove, convenient for preferably installation stator pole shoes, permanent magnet.
The utility model has the beneficial effects that
The utility model structure is simple, and structure is simple, and operating rate is high, and has double cooling structures, good heat dissipation effect,
Using effect is more preferable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the stator structure schematic cross-section of the utility model；
Fig. 3 is the spiral cooling tube structural schematic diagram of the utility model；
Fig. 4 is the vane device structural schematic diagram of the utility model.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described further the utility model.
Embodiment 1: as shown in Figs 1-4, the present embodiment provides a kind of permanent magnet direct driving motors with cooling structure, including shaft
1, the both ends of the shaft is provided with bearing 2, and the outer ring of the bearing is connected with outer housing 3, and it is fixed to be provided on the inside of the outer housing
Son 4, is provided with rotor 5 corresponding with stator in the shaft, and the outer side of shell is provided with coolant jacket 6, the coolant jacket with
Spiral cooling tube 7 is provided between shell, the two side ends of the outer housing 3, which cover, is provided with several ventilation hole 3-1, the shaft
On be provided with vane device 8, the stator 4 includes stator core 4-1 equipped with wire casing, the armature in insertion stator core wire casing
Winding 4-2, stator pole shoes 4-3 and the permanent magnet 4-4 for being installed on stator pole shoes surface；Permanent magnet is along motor radial magnetizing, forever
Magnet is arranged successively along the circumference of motor gas-gap；The rotor 5 includes rotor core 5-1 and rotor with salient pole 5-2；Motor
It is equipped with air gap 5-3 between Stator and electrical machine rotor, is distributed by the air-gap reluctance of modulating motor, makes permanent magnet flux in motor stator
Rotation speed at double in rotor revolving speed, realize the effect from speedup, Rated motor output torque and power can be improved
Density.
Wherein, the spiral cooling tube 7 includes double helix cooling duct, and shell one end is equipped with coolant inlet 7-1 and cooling
Liquid exports 7-2, and double helix cooling duct includes being connected to the first spiral cooling duct 7-3 of coolant inlet and being connected to coolant liquid
Second spiral cooling duct 7-4 of mouth, the first spiral cooling duct and the second spiral cooling duct are wound each along the axial direction of shell, and first
Spiral cooling duct and the second spiral cooling duct are interspersed, and the first spiral cooling duct and the second spiral cooling duct are remote in shell
It is interconnected from the other end of coolant inlet and cooling liquid outlet, facilitates addition coolant liquid, be conducive to preferably be cooled down.
It is provided with airstrainer 3-2 outside the ventilation hole 3-1, is conducive to preferably cross air filtering, is conducive to more preferable
Carry out cool down.
The vane device 8 includes flabellum seat 8-1, and the fixing screwed hole 8- fixed with shaft is provided on the flabellum seat
2, several flabellum 8-3 are correspondingly arranged on the flabellum seat, and convenient for preferably connecting with shaft, convenient disassembly is convenient for safeguarding.
Permanent magnet 4-4 on the stator pole shoes 4-3 is along motor radial magnetizing, and adjacent permanent magnet magnetizing direction phase
Instead, it constitutes N-S and replaces the structure that magnetizes, make the magnetic flux density in air gap at class Sine distribution, be conducive to preferably improve motor fortune
Scanning frequency rate.
Several one 4-31 of groove are provided on the inside of the stator pole shoes 4-3, the permanent magnet 4-4 epoxy resin encapsulated exists
In groove one, several two 4-11 of groove are provided on the inside of the stator core 4-1, the stator pole shoes are provided with several and groove
Two corresponding convex block 4-32, the convex block are connect with two encapsulating of groove, convenient for preferably installation stator pole shoes, permanent magnet.
Claims (6)
1. a kind of permanent magnet direct driving motor with cooling structure, which is characterized in that including shaft, the both ends of the shaft is provided with axis
It holds, the outer ring of the bearing is connected with outer housing, is provided with stator on the inside of the outer housing, is provided in the shaft and stator
Corresponding rotor, the outer side of shell are provided with coolant jacket, and spiral cooling tube is provided between the coolant jacket and shell, described
The two side ends of outer housing, which cover, is provided with several ventilation holes, and vane device is provided in the shaft, and the stator includes being equipped with
The stator core of wire casing, the armature winding in insertion stator core wire casing, stator pole shoes and it is installed on stator pole shoes surface
Permanent magnet；Permanent magnet is arranged successively along motor radial magnetizing, permanent magnet along the circumference of motor gas-gap；The rotor includes
Rotor core and rotor with salient pole；Air gap is equipped between motor stator and rotor.
2. a kind of permanent magnet direct driving motor with cooling structure according to claim 1, which is characterized in that the spiral is cooling
Pipe includes double helix cooling duct, and shell one end is equipped with coolant inlet and cooling liquid outlet, and double helix cooling duct includes being connected to
First spiral cooling duct of coolant inlet and the second spiral cooling duct for being connected to cooling liquid outlet, the first spiral cooling duct and
Second spiral cooling duct is wound each along the axial direction of shell, and the first spiral cooling duct and the second spiral cooling duct are interspersed, and
And first spiral cooling duct and the second spiral cooling duct it is mutual in the other end of the shell far from coolant inlet and cooling liquid outlet
Connection.
3. a kind of permanent magnet direct driving motor with cooling structure according to claim 1, which is characterized in that outside the ventilation hole
Portion is provided with airstrainer.
4. a kind of permanent magnet direct driving motor with cooling structure according to claim 1, which is characterized in that the vane device
Including flabellum seat, the fixing screwed hole fixed with shaft is provided on the flabellum seat, if being correspondingly arranged on the flabellum seat
Dry flabellum.
5. a kind of permanent magnet direct driving motor with cooling structure according to claim 1, which is characterized in that the stator poles
Permanent magnet on boots is along motor radial magnetizing, and adjacent permanent magnet magnetizing direction replaces the structure that magnetizes on the contrary, constituting N-S.
6. a kind of permanent magnet direct driving motor with cooling structure according to claim 1, which is characterized in that the stator pole shoes
Inside is provided with several grooves one, and the permanent magnet epoxy resin encapsulated is in groove one, setting on the inside of the stator core
There are several grooves two, the stator pole shoes are provided with several convex blocks corresponding with groove two, and the convex block and two encapsulating of groove connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119562.8U CN208369409U (en) | 2018-07-16 | 2018-07-16 | A kind of permanent magnet direct driving motor with cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119562.8U CN208369409U (en) | 2018-07-16 | 2018-07-16 | A kind of permanent magnet direct driving motor with cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369409U true CN208369409U (en) | 2019-01-11 |
Family
ID=64925372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821119562.8U Active CN208369409U (en) | 2018-07-16 | 2018-07-16 | A kind of permanent magnet direct driving motor with cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208369409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157097A (en) * | 2021-11-18 | 2022-03-08 | 东南大学 | Stator structure of magnetic suspension flux switching motor |
-
2018
- 2018-07-16 CN CN201821119562.8U patent/CN208369409U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157097A (en) * | 2021-11-18 | 2022-03-08 | 东南大学 | Stator structure of magnetic suspension flux switching motor |
| CN114157097B (en) * | 2021-11-18 | 2023-09-26 | 东南大学 | Stator structure of magnetic suspension magnetic flux switching motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201851280U (en) | Brushless permanent magnetic wind driven generator driven by double paddles in different directions | |
| CN103178668B (en) | Radial magnetic field double-stator vernier motor | |
| CN103178667B (en) | Axial-magnetic-fielddouble-stator double-stator vernier motor | |
| CN102005858B (en) | Brushless dual-blade heterodromously-driven permanent-magnet wind generator | |
| CN104201848A (en) | Double-stator permanent-magnet vernier wind driven generator | |
| CN204131350U (en) | Bimorph transducer simplex winding vernier magneto | |
| CN106602823A (en) | Double-claw-pole-stator magnetic gathering type vernier motor | |
| CN107359767A (en) | A kind of Halbach types array permanent magnetism disc type iron core-free hollow shaft motor | |
| CN105471210B (en) | A kind of magneto | |
| CN108649749A (en) | A kind of switched reluctance machines with water injection type winding and axis-diameter-Zhou Duoxiang self-loopa ventilating systems | |
| CN202094738U (en) | High speed permanent magnet motor/generator | |
| CN208369409U (en) | A kind of permanent magnet direct driving motor with cooling structure | |
| CN101183804A (en) | Three-phase external rotor electric excitation biconvex pole wind power generator | |
| CN204517610U (en) | A kind of Hybrid Excitation Switched Reluctance Motor and stator structure thereof | |
| CN1649239A (en) | MW grade direct driving permanent magnet outer rotor synchronous motor | |
| CN208386261U (en) | A kind of permanent magnet direct driving motor | |
| CN202435218U (en) | Axial brushless doubly-fed motor | |
| CN101626182B (en) | Capacitor-run asynchronous motor with six-pole outer rotors | |
| CN104753280A (en) | Hybrid excitation switched reluctance motor and stator structure thereof | |
| CN108429422A (en) | Wheel hub permanent magnet synchronous motor | |
| CN112152410B (en) | Permanent magnet double-rotor vernier motor | |
| CN211830520U (en) | Disk type permanent magnet motor applied to crane | |
| CN212543616U (en) | Double-speed motor with fault-tolerant function | |
| CN103780035B (en) | Transverse flow phase stage type brushless double-fed induction motor | |
| CN209402272U (en) | A kind of permanent magnetism magneticfocusing synchronous magnetic resistance motor and its asymmetrical rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |