CN203491865U - Double stator axial magnetic field permanent magnetic brushless direct current motor - Google Patents
Double stator axial magnetic field permanent magnetic brushless direct current motor Download PDFInfo
- Publication number
- CN203491865U CN203491865U CN201320663669.XU CN201320663669U CN203491865U CN 203491865 U CN203491865 U CN 203491865U CN 201320663669 U CN201320663669 U CN 201320663669U CN 203491865 U CN203491865 U CN 203491865U
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- stator
- rotor
- permanent magnet
- magnetic field
- motor
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- 241000239290 Araneae Species 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
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Abstract
The utility model relates to a double stator axial magnetic field permanent magnetic brushless direct current motor. The double stator axial magnetic field permanent magnetic brushless direct current motor comprises a front stator, a rear stator and a rotor, the front stator and the rear stator are respectively arranged at two sides of the rotor, a first axial air gap is formed between the front stator and the rotor, and a second axial air gap is formed between the rear stator and the rotor. According to the double stator axial magnetic field permanent magnetic brushless direct current motor, one stator is additionally provided and the rotor is arranged between the two stators to form the two axial air gaps so that the motor can bear high loading current and output high power.
Description
Technical field
The utility model relates to DC motor technical field, especially a kind of pair of stator shaft orientation magnetic field permanent magnet brushless DC motor.
Background technology
Existing brushless DC motor, mostly is the structure of radial magnetic field, and its stator and rotor are all cylindrical shape.
Generally divide again two kinds: a kind of for internal rotor form, at interior, stator outside, during work, rotor rotates rotor in stator; Another kind is external rotor form, and outside, stator is interior for rotor, and during work, rotor is in stator inner rotary.But these two kinds of different forms have a common ground, and between stator and rotor, formed air gap is all radially, can be referred to as the brushless electric machine of radial air gap.The brushless DC motor of radial air gap is made leptosomatic more.The occasion that a lot of users, especially vehicles use, due to the restriction in space, they can not use leptosomatic motor, and need platypelloid type, and the external diameter that allows motor is greatly but axial length dimension is limited.As rotor being placed in to a side of stator plane, between stator and rotor, form an axial air gap, can make the motor of platypelloid type, this motor has been applied for by the applicant and has been obtained the authorization, the patent No. is ZL200420079912.4, the batch production of this patent motor Ji You our company, but with the motor of this patent manufacture because only having a stator, in the situation that motor external diameter is limited, its power output is also restricted, as this motor of external diameter 200mm, its specified power output is in 4000W left and right.
Utility model content
The technical problems to be solved in the utility model is: in order to solve the technical problem that its power output is also restricted in the situation that motor external diameter is limited, provide a kind of pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, thereby it has the very more powerful feature of large load current output of carrying.
The utility model solves the technical scheme that its technical problem adopts: a kind of pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, comprise front stator, rear stator and rotor, described front stator and rear stator are separately positioned on rotor both sides, between front stator and rotor, form axial air-gap one, between rear stator and rotor, form axial air-gap two.
Also comprise front stator support, rear out frame, described front stator is fixedly installed in front stator support, rear stator is fixedly installed in rear out frame, described front stator support is fixedly connected with rear out frame, and the armature spindle two ends of described rotor are supported on respectively front stator support and rear out frame by bearing.
Described front stator and rear stator include stator core and winding coil, described stator core wherein one end mask has equally distributed radial slot, described winding coil is embedded in the radial slot of stator core, and press three-phase wye connection, corresponding out frame diapire is fixed in stator core other end.
Further, described rotor comprises rotor field spider, is circumferentially evenly equipped with the permanent magnet that some shapes are identical on the rotor yoke of rotor field spider.
For saving space, described permanent magnet is for being embedded in rotor field spider.The thickness of rotor can't increase like this, is only the thickness of rotor field spider.
As preferably, described permanent magnet is rare-earth permanent magnet.
Further, described rotor field spider is necessary for non-magnetic rotor field spider.
The beneficial effects of the utility model are, thereby two stator shaft orientation magnetic field permanent magnet brushless DC motors that the utility model is made have the more powerful feature of load current output that carrying is very large.The motor of external diameter 200mm of take is example, and single stator rare earth permanent magnetic brushless dc motor, during supply voltage 48V, only can carry 100A electric current, output 4200W power; And the motor of the same outer diameter of manufacturing with the utility model can carry 200A electric current, power output can be up to 8400W, and weight only increases by 1/3.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of front and back of the present utility model stator;
Fig. 3 is rotor structure schematic diagram of the present utility model;
Fig. 4 is the vertical view of rotor of the present utility model.
In figure: 1. front stator support, 2. rear out frame, 3. rotor, 3-1. rotor field spider, 3-2. permanent magnet, 4. armature spindle, 5. front stator, 6. rear stator, 7. axial air-gap one, 8. axial air-gap two, 9. signal sending end, 10. signal receiving end, 11. stator cores, 12. winding coils, 13. radial slots, 14. bearings.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As Fig. 1, a kind of pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, comprise front stator support 1, rear out frame 2, front stator 5, rear stator 6, rotor 3 and armature spindle 4, front stator 5 is fixedly installed in front stator support 1, rear stator 6 is fixedly installed in rear out frame 2, rotor 3 is fastened on armature spindle 4 middle parts, armature spindle 4 two ends respectively nationality help bearing 14 to be bearing in the bearing chamber of front and back out frame 1 and 2, front stator support 1 and rear out frame 2 are fixedly connected to form the body part of motor, and make front stator 5 and rear stator 6 be placed in the both sides of rotor 3, between front stator 5 and rotor 3, form axial air-gap 1, between rear stator 6 and rotor 3, form axial air-gap 28, also be provided with in the present embodiment the rotor-position sensor identical with general brushless DC motor function, as shown in Figure 1, position transducer is divided into signal sending end 9 and signal receiving end 10, signal sending end 9 is fixed on rotating shaft 4, signal receiving end 10 is fixed on the out frame that is adjacent corresponding with signal sending end 9.
As Fig. 2, front stator 5 and rear stator 6 include stator core 11 and winding coil 12, stator core 11 wherein one end mask has equally distributed radial slot 13, winding coil 12 is embedded in the radial slot 13 of stator core 11, and press three-phase wye connection, corresponding out frame diapire is fixed in stator core 11 other ends.
As Fig. 3 Fig. 4, rotor 3 comprises rotor field spider 3-1, is circumferentially evenly equipped with the permanent magnet 3-2 that some shapes are identical on the rotor yoke of rotor field spider 3-1, and permanent magnet 3-2 is for being embedded in rotor field spider 3-1.
In the present embodiment, permanent magnet 3-2 is rare-earth permanent magnet, and rotor field spider 3-1 is necessary for non-magnet material.
For the installation site of position transducer, the present embodiment only shows wherein a kind of position, certainly according to the type of different rotor-position sensors, can have different installation sites.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (7)
1. a two stator shaft orientation magnetic field permanent magnet brushless DC motor, it is characterized in that: comprise front stator (5), rear stator (6) and rotor (3), described front stator (5) and rear stator (6) are separately positioned on rotor (3) both sides, between front stator (5) and rotor (3), form axial air-gap one (7), between rear stator (6) and rotor (3), form axial air-gap two (8).
2. as claimed in claim 1 pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, it is characterized in that: also comprise front stator support (1), rear out frame (2), described front stator (5) is fixedly installed in front stator support (1), rear stator (6) is fixedly installed in rear out frame (2), described front stator support (1) is fixedly connected with rear out frame (2), and armature spindle (4) two ends of described rotor (3) are supported on respectively front stator support (1) and rear out frame (2) by bearing (14).
3. as claimed in claim 2 pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, it is characterized in that: described front stator (5) and rear stator (6) include stator core (11) and winding coil (12), described stator core (11) wherein one end mask has equally distributed radial slot (13), described winding coil (12) is embedded in the radial slot (13) of stator core (11), and corresponding out frame diapire is fixed in stator core (11) other end.
4. the two stator shaft orientation magnetic field permanent magnet brushless DC motors as described in claim 1 or 2 or 3, is characterized in that: described rotor (3) comprises rotor field spider (3-1), are circumferentially evenly equipped with the permanent magnet that some shapes are identical (3-2) on rotor field spider (3-1).
5. as claimed in claim 4 pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, is characterized in that: described permanent magnet (3-2) is for being embedded in rotor field spider (3-1).
6. as claimed in claim 5 pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, is characterized in that: described permanent magnet (3-2) is rare-earth permanent magnet.
7. as claimed in claim 4 pair of stator shaft orientation magnetic field permanent magnet brushless DC motor, is characterized in that: described rotor field spider (3-1) is non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320663669.XU CN203491865U (en) | 2013-10-25 | 2013-10-25 | Double stator axial magnetic field permanent magnetic brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320663669.XU CN203491865U (en) | 2013-10-25 | 2013-10-25 | Double stator axial magnetic field permanent magnetic brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491865U true CN203491865U (en) | 2014-03-19 |
Family
ID=50262665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320663669.XU Expired - Lifetime CN203491865U (en) | 2013-10-25 | 2013-10-25 | Double stator axial magnetic field permanent magnetic brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491865U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546006A (en) * | 2013-10-25 | 2014-01-29 | 金坛市微特电机有限公司 | Double-stator axial magnetic field permanent magnet brushless direct-current motor |
| CN105471331A (en) * | 2014-09-29 | 2016-04-06 | 瑞展动能股份有限公司 | Brushless DC motor rotation speed control system |
| CN107872111A (en) * | 2017-11-10 | 2018-04-03 | 沈阳工业大学 | A kind of high intensity sandwich pole wheel of Double-stator axial magnetic flow magneto |
-
2013
- 2013-10-25 CN CN201320663669.XU patent/CN203491865U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546006A (en) * | 2013-10-25 | 2014-01-29 | 金坛市微特电机有限公司 | Double-stator axial magnetic field permanent magnet brushless direct-current motor |
| CN105471331A (en) * | 2014-09-29 | 2016-04-06 | 瑞展动能股份有限公司 | Brushless DC motor rotation speed control system |
| CN107872111A (en) * | 2017-11-10 | 2018-04-03 | 沈阳工业大学 | A kind of high intensity sandwich pole wheel of Double-stator axial magnetic flow magneto |
| CN107872111B (en) * | 2017-11-10 | 2020-06-19 | 沈阳工业大学 | High-strength sandwich magnetic pole rotor of double-stator axial flux permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 213214 No. 1266 Baita Road, Golden Town, Jintan District, Jiangsu, Changzhou Patentee after: CHANGZHOU JINTAN WEITE MOTOR Co.,Ltd. Address before: 213214 Jiangsu city of Changzhou province Jintan Jincheng Baita Industrial Zone Dan Jin Road No. 98 Patentee before: JINTAN MICRO & SPECIAL MOTOR CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
|
| CX01 | Expiry of patent term |