CN209692435U - Default sub-component and blade and outer rotor integral fan - Google Patents
Default sub-component and blade and outer rotor integral fan Download PDFInfo
- Publication number
- CN209692435U CN209692435U CN201920673439.9U CN201920673439U CN209692435U CN 209692435 U CN209692435 U CN 209692435U CN 201920673439 U CN201920673439 U CN 201920673439U CN 209692435 U CN209692435 U CN 209692435U
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- component
- default sub
- outer rotor
- annular
- inner stator
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Abstract
The utility model discloses a kind of default sub-component and blade and outer rotor integral fan, the default sub-component includes inner stator shell, multiple stator cores and multiple stator winding, inner stator shell setting in disk form and middle part is equipped with mounting hole, the annular installation cavity around mounting hole setting is equipped in the inner stator shell, the multiple stator core is mounted in the annular installation cavity, the multiple stator winding is located in the annular installation cavity and correspondence is set around the multiple stator core, wherein, the inner stator shell is convexly equipped with thermally conductive convex ribs.In the technical solution of the utility model, the thermally conductive or heat dissipation area for increasing the inner stator shell by thermally conductive convex ribs described in the projection on the inner stator shell is conducive to the inner stator shell and transfers out the heat of the multiple stator core and the multiple stator winding to radiate.
Description
Technical field
The utility model relates to technical field of motors, in particular to a kind of default sub-component and blade and outer rotor one
Change blower.
Background technique
In the prior art, have that there are blades and the integrated blower of outer rotor, as the term suggests the blade of blower is integrated in
On outer rotor, the axial dimension of blower so can reduce, once the reduction of blower axial dimension, and make Fan casing intracorporal
Space can reduce, and the heat for being integrated in the intracorporal inner stator of Fan casing is not easy to shed, and will affect the service performance of blower.
Utility model content
The main purpose of the utility model is to provide a kind of default sub-component and blade and outer rotor integral fan, purport
In the heat dissipation effect for improving default sub-component.
To achieve the above object, the utility model proposes a kind of default sub-components, are used in blade wind integrated with outer rotor
In machine, the default sub-component includes:
Inner stator shell, setting in disk form and middle part are equipped with mounting hole, are equipped in the inner stator shell around described
The annular installation cavity of mounting hole setting；
Multiple stator cores are mounted in the annular installation cavity；And
Multiple stator winding, in the annular installation cavity and correspondence is set around the multiple stator core；
Wherein, the inner stator shell is convexly equipped with thermally conductive convex ribs.
Preferably, epoxy glue is filled in the annular installation cavity.
Preferably, the periphery side of the inner stator shell is equipped with multiple thermally conductive convex ribs.
Preferably, the outer surface of the periphery side and/or inner surface are equipped with multiple thermally conductive convex ribs.
Preferably, the outer surface of the periphery side be equipped with multiple thermally conductive convex ribs, the multiple thermally conductive convex ribs along
The inner stator shell it is circumferentially distributed, and on the circumferential direction along the inner stator shell, the height of the multiple convex ribs is not
Deng setting.
Preferably, the inner stator shell includes:
Upper and lower spaced upper limit plate and lower limiting board, the upper limit plate and the rounded setting of lower limiting board and in
Portion is arranged in aperture；
Default sub-disk is socketed in the aperture of the upper limit plate and lower limiting board, and is set in the middle part of the default sub-disk
There is the mounting hole；And
Outer fixed ring is fixedly sheathed on the outside of the upper limit plate and the lower limiting board；
Wherein, the outer fixed ring and the upper limit plate, the lower limiting board and the default sub-disk enclose shape jointly
At the annular installation cavity.
Preferably, the upper limit plate and the lower limiting board are equipped with limiting slot；
The upper and lower side correspondence of the multiple stator core is matched with the limiting slot on the upper limit plate and the lower limiting board
It closes.
The utility model also provides a kind of blade and outer rotor integral fan, comprising:
Mounting bracket；
Disc-shaped housings, positioned at the upside of the mounting bracket, the outer peripheral surface of the disc-shaped housings is equipped with multiple blades；
Installation axle, the lower end of the installation axle are fixedly installed in the mounting bracket, and the upper end of the installation axle is located at
In the disc-shaped housings；
Upper outer rotor component and lower outer rotor component, are set in distance and are fixedly mounted in the disc-shaped housings；And
Default sub-component between the upper outer rotor component and the lower outer rotor component, and is fixedly sheathed in institute
Installation axle is stated, the default sub-component includes:
Inner stator shell, setting in disk form and middle part are equipped with mounting hole, are equipped in the inner stator shell around described
The annular installation cavity of mounting hole setting；
Multiple stator cores are mounted in the annular installation cavity；And
Multiple stator winding, in the annular installation cavity and correspondence is set around the multiple stator core；
Wherein, the inner stator shell is convexly equipped with thermally conductive convex ribs.
Preferably, it is fixedly installed in the disc-shaped housings:
Upper bearing (metal), positioned at the default sub-component upside and rotation be socketed on the installation axle；And
Lower bearing, positioned at the default sub-component downside and rotation be socketed on the installation axle；
Wherein, the disc-shaped housings are by the upper bearing (metal) and lower bearing rotational installation in the installation axle.
Preferably, the disc-shaped housings include annular side plate, upper head plate and bottom plate；
The downside of the upper head plate is equipped with upper annular protrusion, the upper annular protrusion, the upper head plate and the annular side
Plate limits annular groove jointly, and the upper outer rotor component includes upper rotor part iron core in the upper annular groove and multiple
Upper permanent magnet；
The upside of the bottom plate is equipped with lower annular protrusion, the lower annular protrusion, the bottom plate and the annular side
Plate limits lower annular groove jointly, and the lower outer rotor component includes lower rotor part iron core in the lower annular groove and multiple
Lower permanent magnet；
Wherein, the upper annular groove and the lower annular groove are filled with epoxy glue.
In technical solution provided by the utility model, the multiple stator core and the multiple stator winding are mounted on
In the annular installation cavity, to realize the fixed installation to the multiple stator core and the multiple stator winding, and lead to
Cross on the inner stator shell thermally conductive convex ribs described in projection to increase the thermally conductive or heat dissipation area of the inner stator shell, favorably
The heat of the multiple stator core and the multiple stator winding is transferred out in the inner stator shell and is radiated.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the stereoscopic schematic diagram of blade provided by the utility model and one embodiment of outer rotor integral fan；
Fig. 2 is another three-dimensional viewpoin schematic diagram of Fig. 1；
Fig. 3 is that the group of the default sub-component and installation axle in Fig. 1 connects schematic diagram；
Fig. 4 is the schematic perspective view of the part-structure (removing default sub-disk) of the default sub-component in Fig. 3；
Fig. 5 is the perspective exploded view of the part-structure (removing default sub-disk) of the default sub-component in Fig. 3.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Blade and outer rotor integral fan | 51 | Lower rotor part iron core |
| 1 | Mounting bracket | 52 | Lower permanent magnet |
| 2 | Disc-shaped housings | 6 | Default sub-component |
| 2a | Blade | 61 | Inner stator shell |
| 20 | Annular side plate | 611 | Upper limit plate |
| 21 | Upper head plate | 612 | Lower limiting board |
| 211 | Upper annular protrusion | 613 | Default sub-disk |
| 22 | Bottom plate | 614 | Outer fixed ring |
| 221 | Lower annular protrusion | 615 | Limiting slot |
| 3 | Installation axle | 62 | Stator core |
| 4 | Upper outer rotor component | 63 | Stator winding |
| 41 | Upper rotor part iron core | 64 | Thermally conductive convex ribs |
| 42 | Upper permanent magnet | 7 | Upper bearing (metal) |
| 5 | Lower outer rotor component | 8 | Lower bearing |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
The utility model proposes a kind of default sub-component, the default sub-component is used in blade and outer rotor integral fan
In, Fig. 1 to Fig. 5 is an embodiment of blade provided by the utility model and outer rotor integral fan, and the blade turns with outer
Sub- integral fan includes the default sub-component.
Please refer to Fig. 1 to Fig. 5, the default sub-component 6 include inner stator shell 61, multiple stator cores 62 and with it is multiple
Stator winding 63, the inner stator shell 61 setting in disk form and middle part is equipped with mounting hole (not labeled), the inner stator shell
The annular installation cavity (not labeled) around mounting hole setting is equipped in body 61, the multiple stator core 62 is mounted on described
In annular installation cavity, the multiple stator winding 63 is located in the annular installation cavity and correspondence is set around the multiple stator iron
Core 62, wherein the inner stator shell 61 is convexly equipped with thermally conductive convex ribs 64.
In technical solution provided by the utility model, the multiple stator core 62 and the multiple stator winding 63 are pacified
In the annular installation cavity, the multiple stator core 62 and the fixed of the multiple stator winding 63 are pacified with realizing
Dress, and by thermally conductive convex ribs 64 described in the projection on the inner stator shell 61 to increase the thermally conductive of the inner stator shell 61
Or heat dissipation area, be conducive to the inner stator shell 61 for the heat of the multiple stator core 62 and the multiple stator winding 63
Amount is transferred out to radiate.
Further, in the present embodiment, in order to enhance the inner stator shell 61 and the multiple stator core 62 and
Heat-conducting effect between the multiple stator winding 63 is filled with epoxy glue in the annular installation cavity, is in the present embodiment
This, the epoxy glue on the one hand can play by the multiple stator core 62 and the multiple stator winding 63 with it is described default
The fixed effect of sub- shell 61, is on the other hand conducive to the heat of the multiple stator core 62 and the multiple stator winding 63
Amount is conducted to the inner stator shell 61.
Quantity that the thermally conductive convex ribs 64 are specifically arranged and position with no restrictions, depending on the specific practical heat dissipation needs of view, example
When the outer surface of the inner stator shell 61 is arranged in thermally conductive convex ribs 64 as will be described, then be conducive to the inner stator shell 61 with
Outer air carries out heat transfer, namely is conducive to the inner stator shell 61 and radiates, and is arranged when by the thermally conductive convex ribs 64 described
When the inner surface of inner stator shell 61, then be conducive to the multiple stator core 62 and the multiple stator winding 63 with it is described interior
Heat transfer is carried out between stator case 61.
Also, the thermally conductive convex ribs 64 can be set on the periphery side of the inner stator shell 61, also can be set
On two ends of the inner stator shell 61, in the present embodiment, the thermally conductive convex ribs 64 are arranged in the inner stator shell
The periphery side of body 61 and setting is multiple, mainly considers a specific installation environment for this default sub-component 6, is specifically shown in subsequent
Introduction.Obviously it can be seen from the above, the outer surface of the periphery side and/or inner surface are equipped with multiple thermally conductive convex ribs 64, tool
Body, in the present embodiment, the outer surface of the periphery side and inner surface are equipped with multiple thermally conductive convex ribs 64, on the one hand have
Heat transfer is carried out conducive between the multiple stator core 62 and the multiple stator winding 63 and the inner stator shell 61, separately
On the one hand, be conducive to the inner stator shell 61 and carry out heat transfer with outer air.
In the other embodiments of the utility model, the outer surface of the periphery side is equipped with multiple thermally conductive convex ribs
64, the multiple thermally conductive convex ribs 64 are along the circumferentially distributed of the inner stator shell 61, and along the inner stator shell 61
Circumferential direction on, the not equal setting of the height of the multiple convex ribs.In this way, the multiple convex ribs benefit that height does not wait in the circumferential
It is that the gap size between the inside and inner stator shell 61 of Blower Housing (i.e. subsequent disc-shaped housing body 2) differs in the circumferential,
It will form zone of positive pressure and negative pressuren zone during rotation, so state of a part in air-breathing, another part are in outlet
State is conducive to the flowing of air, enhances heat dissipation effect.
The structure of the inner stator shell 61 with no restrictions, can be integrally formed shell, can also use split type
Setting, in the present embodiment, the inner stator shell 61 include upper and lower spaced upper limit plate 611 and lower limiting board 612,
Default sub-disk 613 and outer fixed ring 614, the upper limit plate 611 and lower limiting board 612 it is rounded setting and middle part set in aperture
It sets, the default sub-disk 613 is socketed in the aperture of the upper limit plate 611 and lower limiting board 612, and the default sub-disk
613 middle part is equipped with the mounting hole, and the outer fixed ring 614 is fixedly sheathed in the upper limit plate 611 and the lower limit
612 outside of plate, wherein the outer fixed ring 614 and the upper limit plate 611, the lower limiting board 612 and the default sub-disk
613 are enclosed the annular installation cavity jointly.By using upper limit plate 611 and lower limiting board 612,613 and of default sub-disk
The outer assembling of fixed ring 614 forms the inner stator shell 61, is easier to realize in manufacture, and also facilitate to the multiple fixed
The installation of sub- iron core 62 and the multiple stator winding 63.
Further, in the present embodiment, the upper limit plate 611 and the lower limiting board 612 are equipped with limiting slot
615, the corresponding limit on the upper limit plate 611 and the lower limiting board 612 of the upper and lower side of the multiple stator core 62
Slot 615 cooperates.By the way that the limiting slot 615 is arranged on the upper limit plate 611 and the lower limiting board 612, to described
Multiple stator cores 62 are positioned, and so as to increase the fixed effect of the multiple stator core 62, and work as the annular
When epoxy glue described in installation cavity encapsulating, before epoxy glue described in encapsulating, the multiple stator core 62 is by the limiting slot 615
Positioning, so that encapsulating be facilitated to act on.
The utility model a kind of blade is also provided and outer rotor integral fan 100 include mounting bracket 1, disc-shaped housings 2,
Installation axle 3, upper outer rotor component 4 and lower outer rotor component 5 and default sub-component 6, wherein the disc-shaped housings 2 are located at described
The upside of mounting bracket 1, the outer peripheral surface of the disc-shaped housings 2 are equipped with multiple blade 2a, and the lower end of the installation axle 3 is fixedly mounted
In in the mounting bracket 1, the upper end of the installation axle 3 is located in the disc-shaped housings 2, and the upper outer rotor component 4 is under
Outer rotor component 5 is set in distance and is fixedly mounted in the disc-shaped housings 2, and the default sub-component 6 is located at described outer
Between rotor assembly 4 and the lower outer rotor component 5, and it is fixedly sheathed in the installation axle 3, the default sub-component 6 is upper
The default sub-component 6 in embodiment is stated, details are not described herein.
Because blade 2a wind integrated with outer rotor has the default sub-component 6 in above-described embodiment, so have upper
The technical effect of embodiment is stated, in addition, in technical solution provided by the utility model, by the way that the multiple blade 2a is arranged
On the outer peripheral surface of the disc-shaped housings 2 namely the multiple blade 2a and the disc-shaped housings 2 it is radially distributed, Jin Erke
To reduce the axial dimension of blade Yu outer rotor integral fan 100, also, the installation axle 3 is by the way of the fixation of lower end
Installation, and upper end is not necessarily to fixed structure, so, setting upper end cover is not needed, and the disc-shaped housings 2 are in the default subgroup
The position of the two sides up and down of part 6 is rotatably assorted with the installation axle 3 respectively, in this way, the blade and outer rotor one can be promoted
The rotational stability of body blower 100.
The rotational installation of disc-shaped housings 2 is specifically rotatablely installed mode with no restrictions in the installation axle 3, specifically, In
In the present embodiment, upper bearing (metal) 7 and lower bearing 8 are fixedly installed in the disc-shaped housings 2, wherein the upper bearing (metal) 7 is located at described
The upside of default sub-component 6 and rotation is socketed on the installation axle 3, the lower bearing 8 is located at the downside of the default sub-component 6
And rotation is socketed on the installation axle 3, the disc-shaped housings 2 are by the upper bearing (metal) 7 and the rotational installation of the lower bearing 8 in institute
State installation axle 3.In this way, by the disc-shaped housings 2 by upper bearing (metal) 7 and the rotational installation of lower bearing 8 in the installation axle 3, peace
Assembling structure is simple and firm.
The upper outer rotor component 4 and the lower outer rotor component 5 are mounted on the mounting means inside the disc-shaped housings 2
There are many kind, with no restrictions, specifically, in the present embodiment, the disc-shaped housings 2 include annular side plate to specific mounting means
20, upper head plate 21 and bottom plate 22, the downside of the upper head plate 21 are equipped with upper annular protrusion 211, the upper annular protrusion 211,
The upper head plate 21 and the annular side plate 20 limit annular groove jointly, and the upper outer rotor component 4 includes set on described
The upside of upper rotor part iron core 41 and multiple upper permanent magnets 42 in upper annular groove, the bottom plate 22 is equipped with lower annular protrusion 221,
The lower annular protrusion 221, the bottom plate 22 and the annular side plate 20 limit lower annular groove, the lower outer rotor jointly
Component 5 includes lower rotor part iron core 51 and multiple lower permanent magnets 52 in the lower annular groove, wherein the upper annular groove and
The lower annular groove is filled with epoxy glue.Namely in the present embodiment, the upper outer rotor component 4 is housed in the upper annular groove
In, and fixation is potted by the epoxy glue, the lower outer rotor component 5 is housed in the lower annular groove, and is passed through
The epoxy glue is potted fixation, the epoxy glue on the one hand can play the fixed upper outer rotor component 4 and it is described under
The effect of outer rotor component 5, on the other hand, the epoxy glue also acts as the effect of heat conduction and heat radiation, by the upper outer rotor group
The heat of part 4 and the lower outer rotor component 5 is conducted to the disc-shaped housings 2.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of default sub-component is used in blade and outer rotor integral fan, which is characterized in that the default sub-component packet
It includes:
Inner stator shell, setting in disk form and middle part are equipped with mounting hole, are equipped in the inner stator shell around the installation
The annular installation cavity of hole setting；
Multiple stator cores are mounted in the annular installation cavity；And
Multiple stator winding, in the annular installation cavity and correspondence is set around the multiple stator core；
Wherein, the inner stator shell is convexly equipped with thermally conductive convex ribs.
2. default sub-component as described in claim 1, which is characterized in that be filled with epoxy glue in the annular installation cavity.
3. default sub-component as claimed in claim 2, which is characterized in that the periphery side of the inner stator shell is equipped with multiple
The thermally conductive convex ribs.
4. default sub-component as claimed in claim 3, which is characterized in that the outer surface of the periphery side and/or inner surface
Equipped with multiple thermally conductive convex ribs.
5. default sub-component as claimed in claim 3, which is characterized in that the outer surface of the periphery side is equipped with multiple described
Thermally conductive convex ribs, the multiple thermally conductive convex ribs are circumferentially distributed along the inner stator shell, and along the inner stator shell
Circumferential direction on, the not equal setting of the height of the multiple convex ribs.
6. default sub-component as described in claim 1, which is characterized in that the inner stator shell includes:
Upper and lower spaced upper limit plate and lower limiting board, the upper limit plate and the rounded setting of lower limiting board and middle part is in
Aperture setting；
Default sub-disk is socketed in the aperture of the upper limit plate and lower limiting board, and the middle part of the default sub-disk is equipped with institute
State mounting hole；And
Outer fixed ring is fixedly sheathed on the outside of the upper limit plate and the lower limiting board；
Wherein, the outer fixed ring and the upper limit plate, the lower limiting board and the default sub-disk are enclosed institute jointly
State annular installation cavity.
7. default sub-component as claimed in claim 6, which is characterized in that the upper limit plate and the lower limiting board are equipped with
Limiting slot；
The corresponding limiting slot on the upper limit plate and the lower limiting board of the upper and lower side of the multiple stator core cooperates.
8. a kind of blade and outer rotor integral fan characterized by comprising
Mounting bracket；
Disc-shaped housings, positioned at the upside of the mounting bracket, the outer peripheral surface of the disc-shaped housings is equipped with multiple blades；
Installation axle, the lower end of the installation axle are fixedly installed in the mounting bracket, and the upper end of the installation axle is located at described
In disc-shaped housings；
Upper outer rotor component and lower outer rotor component, are set in distance and are fixedly mounted in the disc-shaped housings；And
Default sub-component between the upper outer rotor component and the lower outer rotor component, and is fixedly sheathed in the peace
Axis is filled, the default sub-component is default sub-component as claimed in any one of claims 1 to 7.
9. blade as claimed in claim 8 and outer rotor integral fan, which is characterized in that fixed peace in the disc-shaped housings
It is equipped with:
Upper bearing (metal), positioned at the default sub-component upside and rotation be socketed on the installation axle；And
Lower bearing, positioned at the default sub-component downside and rotation be socketed on the installation axle；
Wherein, the disc-shaped housings are by the upper bearing (metal) and lower bearing rotational installation in the installation axle.
10. blade as claimed in claim 9 and outer rotor integral fan, which is characterized in that the disc-shaped housings include ring
Shape side plate, upper head plate and bottom plate；
The downside of the upper head plate is equipped with upper annular protrusion, and the upper annular protrusion, the upper head plate and the annular side plate are total
With limiting annular groove, the upper outer rotor component include upper rotor part iron core in the upper annular groove and be multiple on forever
Magnet；
The upside of the bottom plate is equipped with lower annular protrusion, and the lower annular protrusion, the bottom plate and the annular side plate are total
With limiting lower annular groove, the lower outer rotor component include lower rotor part iron core in the lower annular groove and be multiple under forever
Magnet；
Wherein, the upper annular groove and the lower annular groove are filled with epoxy glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673439.9U CN209692435U (en) | 2019-05-10 | 2019-05-10 | Default sub-component and blade and outer rotor integral fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673439.9U CN209692435U (en) | 2019-05-10 | 2019-05-10 | Default sub-component and blade and outer rotor integral fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209692435U true CN209692435U (en) | 2019-11-26 |
Family
ID=68608807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920673439.9U Active CN209692435U (en) | 2019-05-10 | 2019-05-10 | Default sub-component and blade and outer rotor integral fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209692435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138107A (en) * | 2019-05-10 | 2019-08-16 | 仪坤动力科技（上海）有限公司 | Default sub-component and blade and outer rotor integral fan |
-
2019
- 2019-05-10 CN CN201920673439.9U patent/CN209692435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138107A (en) * | 2019-05-10 | 2019-08-16 | 仪坤动力科技（上海）有限公司 | Default sub-component and blade and outer rotor integral fan |
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