CN207504663U - A kind of plastic packaging stator and its applied to external rotor electric machine - Google Patents
A kind of plastic packaging stator and its applied to external rotor electric machine Download PDFInfo
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- CN207504663U CN207504663U CN201721506736.1U CN201721506736U CN207504663U CN 207504663 U CN207504663 U CN 207504663U CN 201721506736 U CN201721506736 U CN 201721506736U CN 207504663 U CN207504663 U CN 207504663U
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- bearing seat
- plastic
- cooling fin
- bearing
- sealed body
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Abstract
The utility model discloses a kind of plastic packaging stator and its applied to external rotor electric machine, including stator core, coil windings, overhang insulation, plastic-sealed body, bearing block and bearing, overhang insulation is mounted on the end face of stator core, coil windings are set around on overhang insulation, centre bore is offered among the stator core, bearing block includes first bearing seat and second bearing seat, first bearing seat and second bearing seat are respectively nested in the both ends of centre bore, the bearing is separately mounted in first bearing seat and second bearing seat, it is characterised in that：The end edge of the second bearing seat extends at least a piece of cooling fin outward, the plastic-sealed body links into an integrated entity stator core, coil windings, overhang insulation, first bearing seat, second bearing seat and cooling fin, the cooling fin is at least partly exposed to accelerate heat dissipation on the end face of plastic-sealed body, improve heat dissipation effect, the heat dissipation performance of motor is improved, improves the operational efficiency of motor.
Description
Technical field：
The utility model is related to a kind of plastic packaging stator and its applied to external rotor electric machine.
Background technology：
The heat dissipation of existing plastic packaging motor bearing always is the technical issues of a more intractable, in exploitation plastic packaging outer rotor
During air-conditioning internal machine, encounter stator coil winding temperature and be transmitted on bearing, cause bearing temperature rise excessively high, bearing is being run
The heat generated in the process is difficult to disperse so that bearing life shortens, and job insecurity, the operation of motor becomes unreliable, together
When shorten the service life of motor, these are not that designer or client are desired.
Invention content：
The purpose of this utility model is to provide a kind of plastic packaging stator and its applied to external rotor electric machine, solves in the prior art
Bearing heat is difficult to disperse so that bearing life shortens, and motor operation efficiency reduces, while shortens the skill of the service life of motor
Art problem.
The purpose of this utility model is achieved by following technical proposals.
A kind of plastic packaging stator, including stator core, coil windings, overhang insulation, plastic-sealed body, bearing block and bearing, end
It is insulated on the end face of stator core, coil windings are set around on overhang insulation, in being offered among the stator core
Heart hole, bearing block include first bearing seat and second bearing seat, and first bearing seat and second bearing seat are respectively nested in centre bore
Both ends, the bearing is separately mounted in first bearing seat and second bearing seat, it is characterised in that：The second bearing seat
End edge extends at least a piece of cooling fin outward, and the plastic-sealed body is by stator core, coil windings, overhang insulation, first
Bearing block, second bearing seat and cooling fin link into an integrated entity, and the cooling fin is at least partly exposed to be added on the end face of plastic-sealed body
Fast heat dissipation.
The end edge of the second bearing seat extends two panels cooling fin outward, the two panels cooling fin be it is symmetrical,
Stator core, coil windings, overhang insulation, first bearing seat, second bearing seat and two panels cooling fin are connected into one by plastic-sealed body
Body, the two panels cooling fin is at least partly exposed to accelerate heat dissipation on the end face of plastic-sealed body.
The top surface of the cooling fin is at least partly exposed on the end face of plastic-sealed body.
The top surface of the cooling fin includes a-quadrant and B area, and the a-quadrant is exposed on the end face of plastic-sealed body, the B
Region is covered in by plastic-sealed body, and the B area is equipped with several through-holes.
The top surface of the cooling fin is all exposed on the end face of plastic-sealed body.
The second bearing seat and cooling fin are integrated die-casting or punching and shaping.
The second bearing seat and cooling fin are made of the high metal material of aluminum or thermal conductivity.
A kind of external rotor electric machine, including plastic packaging stator and outer rotor, the outer rotor is set on plastic packaging stator, feature
It is：The plastic packaging stator is the plastic packaging stator described in middle any one described above.
The utility model compared with prior art, has the following effects that：
1) the utility model includes stator core, coil windings, overhang insulation, plastic-sealed body, bearing block and bearing, and end is exhausted
Edge is mounted on the end face of stator core, and coil windings are set around on overhang insulation, and center is offered among the stator core
Hole, bearing block include first bearing seat and second bearing seat, and first bearing seat and second bearing seat are respectively nested in centre bore
Both ends, the end edge of the second bearing seat extend at least a piece of cooling fin outward, and the plastic-sealed body is by stator core, line
Circle winding, overhang insulation, first bearing seat, second bearing seat and cooling fin link into an integrated entity, and the cooling fin is at least partly naked
It is exposed on the end face of plastic-sealed body and accelerates heat dissipation, improve heat dissipation effect, improve the heat dissipation performance of motor, improve the operation effect of motor
Rate；
2) end edge of second bearing seat extends two panels cooling fin outward, and the two panels cooling fin is symmetrical, modeling
Envelope body links into an integrated entity stator core, coil windings, overhang insulation, first bearing seat, second bearing seat and two panels cooling fin,
The two panels cooling fin is at least partly exposed to accelerate heat dissipation on the end face of plastic-sealed body；
3) top surface of cooling fin is at least partly exposed on the end face of plastic-sealed body, improves heat dissipation effect；
4) top surface of cooling fin is all exposed on the end face of plastic-sealed body, improves heat dissipation effect；
5) second bearing seat and cooling fin are integrated die-casting or punching and shaping, simple in structure, handling ease.
Description of the drawings：
Fig. 1 is the stereogram of the utility model plastic packaging stator；
Fig. 2 is the partial schematic diagram of the utility model plastic packaging stator；
Fig. 3 is the front view of the utility model plastic packaging stator；
Fig. 4 is the sectional view of A-A in Fig. 3；
Fig. 5 is the stereogram of the utility model external rotor electric machine；
Fig. 6 is the front view of the utility model external rotor electric machine；
Fig. 7 is the sectional view of B-B in Fig. 6.
Specific embodiment：
The utility model is described in further detail below by specific embodiment and with reference to attached drawing.
Embodiment one：
As shown in Figure 1 to Figure 4 with shown in Fig. 6, the present embodiment is a kind of plastic packaging stator, including stator core 1, coil windings 2, end
Portion's insulation 3, plastic-sealed body 4, bearing block 5 and bearing 6, overhang insulation 3 are mounted on the end face of stator core 1,2 winding of coil windings
In on overhang insulation 3, offering centre bore 11 among the stator core 1, bearing block 5 includes 51 and second axis of first bearing seat
Bearing 52, first bearing seat 51 and second bearing seat 52 are respectively nested in the both ends of centre bore 11, and the bearing 6 is separately mounted to
In first bearing seat 51 and second bearing seat 52, it is characterised in that：The end edge of the second bearing seat 52 is extended outward
At least a piece of cooling fin 521, the plastic-sealed body 4 is by stator core 1, coil windings 2, overhang insulation 3, first bearing seat 51,
Two bearing bracket 52 and cooling fin 521 link into an integrated entity, and the cooling fin 521 is at least partly exposed on the end face of plastic-sealed body 4 41
Accelerate heat dissipation.
The end edge of the second bearing seat 52 extends two panels cooling fin 521 outward, and the two panels cooling fin 521 is
Symmetrically, plastic-sealed body 4 is by stator core 1, coil windings 2, overhang insulation 3, first bearing seat 51, second bearing seat 52 and two panels
Cooling fin 521 links into an integrated entity, and the two panels cooling fin 521 is at least partly exposed to accelerate heat dissipation on the end face of plastic-sealed body 4 41.
The top surface 5211 of the cooling fin 521 is at least partly exposed on the end face of plastic-sealed body 4 41.
It is exposed that the top surface 5211 of the cooling fin 521 includes a-quadrant 5211A and B area 5211B, the a-quadrant 5211A
On the end face of plastic-sealed body 4 41, the B area 5211B is covered in by plastic-sealed body 4, and the B area 5211B is equipped with several
Through-hole 522.
The second bearing seat 52 and cooling fin 521 are integrated die-casting or punching and shaping.
The second bearing seat 52 and cooling fin 521 are made of the high metal material of aluminum or thermal conductivity.
Embodiment two：
The present embodiment is further improved according to embodiment one, and the top surface 5211 of the cooling fin 521 is all exposed to mould
It seals on the end face 41 of body 4.
Embodiment three：
As shown in Figures 5 to 7, a kind of external rotor electric machine, including plastic packaging stator and outer rotor 7, the outer rotor 7 is set in
On plastic packaging stator, the plastic packaging stator is the plastic packaging stator described in any one in above-described embodiment one.
Better embodiment of the above example for the present invention, but the implementation of the present invention is not limited to this, and other are any
Without departing from the present invention Spirit Essence with made under principle change, modification, replacement, combine, simplification, be equivalent displacement side
Formula is included within protection scope of the present invention.
Claims (8)
1. a kind of plastic packaging stator, including stator core (1), coil windings (2), overhang insulation (3), plastic-sealed body (4), bearing block
(5) and bearing (6), for overhang insulation (3) on the end face of stator core (1), coil windings (2) are set around overhang insulation
(3) on, centre bore (11) is offered among the stator core (1), bearing block (5) includes first bearing seat (51) and the second axis
Bearing (52), first bearing seat (51) and second bearing seat (52) are respectively nested in the both ends of centre bore (11), the bearing (6)
It is separately mounted to first bearing seat (51) and second bearing seat (52) is inner, it is characterised in that：The end of the second bearing seat (52)
Portion edge extends at least a piece of cooling fin (521) outward, and the plastic-sealed body (4) is by stator core (1), coil windings (2), end
Portion's insulation (3), first bearing seat (51), second bearing seat (52) and cooling fin (521) link into an integrated entity, the cooling fin
(521) it is at least partly exposed to accelerate heat dissipation on the end face of plastic-sealed body (4) (41).
2. a kind of plastic packaging stator according to claim 1, it is characterised in that：The end edge of the second bearing seat (52)
Extend two panels cooling fin (521) outward, the two panels cooling fin (521) be it is symmetrical, plastic-sealed body (4) by stator core (1),
Coil windings (2), overhang insulation (3), first bearing seat (51), second bearing seat (52) and two panels cooling fin (521) connect into
One, the two panels cooling fin (521) is at least partly exposed to accelerate heat dissipation on the end face of plastic-sealed body (4) (41).
3. a kind of plastic packaging stator according to claim 1 or 2, feature with：The top surface of the cooling fin (521)
(5211) it is at least partly exposed on the end face of plastic-sealed body (4) (41).
4. a kind of plastic packaging stator according to claim 3, it is characterised in that：The top surface (5211) of the cooling fin (521)
Including a-quadrant (5211A) and B area (5211B), the a-quadrant (5211A) is exposed on the end face of plastic-sealed body (4) (41), institute
It states B area (5211B) to be covered in by plastic-sealed body (4), the B area (5211B) is equipped with several through-holes (522).
5. a kind of plastic packaging stator according to claim 3, it is characterised in that：The top surface (5211) of the cooling fin (521)
It is all exposed on the end face of plastic-sealed body (4) (41).
6. a kind of plastic packaging stator according to claim 3, it is characterised in that：The second bearing seat (52) and cooling fin
(521) it is integrated die-casting or punching and shaping.
7. a kind of plastic packaging stator according to claim 6, it is characterised in that：The second bearing seat (52) and cooling fin
(521) it is made of the high metal material of aluminum or thermal conductivity.
8. a kind of external rotor electric machine, including plastic packaging stator and outer rotor component (7), the outer rotor component (7) is set in plastic packaging
On stator, it is characterised in that：The plastic packaging stator is the plastic packaging described in any one in the claims 1 to claim 7
Stator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506736.1U CN207504663U (en) | 2017-11-13 | 2017-11-13 | A kind of plastic packaging stator and its applied to external rotor electric machine |
| PCT/CN2018/074395 WO2019007040A1 (en) | 2017-07-04 | 2018-01-28 | External rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506736.1U CN207504663U (en) | 2017-11-13 | 2017-11-13 | A kind of plastic packaging stator and its applied to external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504663U true CN207504663U (en) | 2018-06-15 |
Family
ID=62504032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721506736.1U Active CN207504663U (en) | 2017-07-04 | 2017-11-13 | A kind of plastic packaging stator and its applied to external rotor electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112956110A (en) * | 2018-10-31 | 2021-06-11 | Lg伊诺特有限公司 | Electric machine |
-
2017
- 2017-11-13 CN CN201721506736.1U patent/CN207504663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112956110A (en) * | 2018-10-31 | 2021-06-11 | Lg伊诺特有限公司 | Electric machine |
| CN112956110B (en) * | 2018-10-31 | 2024-03-12 | Lg伊诺特有限公司 | Motor with a motor housing |
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