CN209516799U - A kind of radiator structure, motor and the centrifugal blower of outer rotor motor driven device - Google Patents
A kind of radiator structure, motor and the centrifugal blower of outer rotor motor driven device Download PDFInfo
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- CN209516799U CN209516799U CN201920414681.4U CN201920414681U CN209516799U CN 209516799 U CN209516799 U CN 209516799U CN 201920414681 U CN201920414681 U CN 201920414681U CN 209516799 U CN209516799 U CN 209516799U
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- radiator structure
- wind wheel
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- 241000883990 Flabellum Species 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a kind of radiator structure of outer rotor motor driven device, comprising: driver control box, it is installed on stator fixing end and covers, and the first radiator structure is equipped at the top of outer housing, and be equipped with the second radiator structure of aliform around first radiator structure in shell body sidewall；Drainage hood covers on the outer housing of the driver control box, and is equipped with the draining hole corresponding to first radiator structure in top；And centrifugal wind wheel, it is connect with rotor portion, including annular body, the annular body has air inlet of the opening towards driver control box, and the air outlet of opening outwardly；Wherein, the bottom of the driver control box outer housing and stator fixing end are covered equipped with the corresponding several drainage apertures in position, and the drainage aperture is located between the fin of the second radiator structure of aliform, and corresponding with the position of the centrifugal wind wheel air inlet.
Description
Technical field
The utility model relates to technical field of motors, and in particular to the radiator structure of outer rotor motor driven device, motor and
Centrifugal blower.
Background technique
DC brushless external rotor blower possesses small in size, the high advantage of efficiency.Corresponding DC brushless controller fortune
Amount of heat (power is higher, and temperature rise is higher) can be generated when row, need corresponding heat dissipation design.Existing brush DC electricity
Machine, controller heat dissipation generally realize that radiating efficiency often can not meet significant power demand by the cooling mechanism on shell,
Controller low efficiency；It is exactly radiator structure to be done larger, so increases the volume of DC brushless motor, and mention
High cost, influences its use.
Utility model content
The purpose of this utility model is to provide a kind of external rotor electric machine drives based on the design of unique Cooling Design thought
The radiator structure of dynamic device, and have the motor and centrifugal blower with excellent heat dispersion performance of the radiator structure.
To achieve the above object, the utility model adopts the technical scheme that
The first aspect of the utility model provides a kind of radiator structure of outer rotor motor driven device comprising:
Driver control box is installed on stator fixing end and covers, equipped with the first radiator structure at the top of outer housing, and in
Shell body sidewall is equipped with the second radiator structure of aliform around first radiator structure；
Drainage hood covers on the outer housing of the driver control box, and is equipped in top and corresponds to described first
The draining hole of radiator structure；
And centrifugal wind wheel, it is connect with rotor portion, including annular body, the annular body has opening direction
The air inlet of driver control box, and the air outlet of opening outwardly；
Wherein, the bottom of the driver control box outer housing and stator fixing end cover corresponding several equipped with position
Drain aperture, the drainage aperture is located between the fin of the second radiator structure of aliform, and with the centrifugal wind wheel air inlet
Position is corresponding.
Further, first radiator structure includes multiple columnar projections at the top of the outer housing.
Preferably, the section of the columnar projections is that cross is quincunx.
Further, the annular body of the centrifugal wind wheel includes annular bottom wall, the inner ring body close to annular bottom wall inner edge,
On annular bottom wall and root connects first group of flabellum of inner ring body outer wall, and the outer ring connecting with first group of fan tip
Body；The outer ring body and inner ring body are coaxially disposed, and the air inlet is constituted between the first end of outer ring body and the free end of inner ring body
Mouthful, the air outlet is constituted between the second end and annular bottom wall of outer ring body.
Further, the junction of the annular bottom wall and inner ring body is equipped with the ring-shaped step from annular bottom wall indent, institute
The inner wall for stating ring-shaped step is equipped with second group of flabellum.
Further, the stator fixing end is placed on towards the side of the centrifugal wind wheel and is equipped at least one convex annular
Edge, the annular flange are adapted with the annular body of the centrifugal wind wheel, constitute clearance-type connected structure.
Further, the inner ring body is equipped with engagement groove at the inside of free end；The annular flange is set as two
It is a, wherein being adapted on the inside of first annular flange and the air inlet outer wall of the centrifugal wind wheel annular body, the second convex annular
Edge is adapted with the engagement groove of inner ring body free end.
The second aspect of the utility model provides a kind of external rotor electric machine, including stator department, rotor portions and connection are determined
The driving portion of sub-portion, the external rotor electronic configuration is just like radiator structure described in the utility model first aspect, wherein institute
It states rotor portions and is equipped with connecting flange in one end close to driving portion, the centrifugal wind wheel is connected by the connecting flange and rotor portions
It connects.
A kind of centrifugal blower is provided in terms of the third of the utility model, the electricity including wind wheel and for driving wind wheel
Machine, the motor are the external rotor electric machine as described in the utility model the second aspect, the wind wheel and the external rotor electric machine
Rotor portions connection.
The utility model has the beneficial effects that
The radiator structure of the outer rotor motor driven device of the utility model is based on unique Cooling Design thought, existing
Cooling centrifugal wind wheel is increased on the basis of motor, drives centrifugal wind wheel to rotate using rotor part, and especially set
Driver control box outer housing and drainage cover structure have been counted, in addition drainage aperture, constitutes air communication channel, it can be by cooling
Gas is forcibly introduced into, the DC brushless controller module of effectively cooling driver control box center installation, and uniformly cold around
But, reach good cooling effect.Entire heat radiation structure design is compact, does not increase motor volume additionally, has good practical
Property.
On the other hand, the radiator structure of the utility model, it is ingenious between centrifugal wind wheel and the fixed end cap of stator to be provided with
Clearance-type connected structure, centrifugal wind wheel can be used as motor sound joint surface seam allowance again, the degree of protection of motor reached
To IP54 or more.
The motor and centrifugal blower that above-mentioned radiator structure is used in the utility model, due to working in suitable temperature
Under, driver service life and efficiency greatly promote, so that with good stability and reliability, enhances the market competitiveness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of driver control box outer housing in the utility model embodiment.
Fig. 2 is the lower view of driver control box outer housing in Fig. 1.
Fig. 3 is the structural schematic diagram of the fixed end cap of stator in the utility model embodiment.
Fig. 4 is the structural schematic diagram of drainage hood in the utility model embodiment.
Fig. 5 is the structural schematic diagram of centrifugal wind wheel in the utility model embodiment.
Fig. 6 is the view of the centrifugal wind wheel other side in Fig. 3.
Fig. 7 is the structural schematic diagram of external rotor electric machine in the utility model embodiment.
Fig. 8 is the diagrammatic cross-section of external rotor electric machine in Fig. 7.
Fig. 9 is the structural schematic diagram of centrifugal blower in the utility model embodiment.
Specific embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched below with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage for further illustrating the utility model, rather than practical to this
The limitation of novel claim.
Embodiment 1
One embodiment of the utility model provides a kind of radiator structure of outer rotor motor driven device comprising phase
The fixed end cap of driver control box outer housing, stator, drainage hood and the centrifugal wind wheel being mutually adapted to.
As illustrated in fig. 1 and 2, in the present embodiment, the whole outer housing 10 of driver control box is in cylinder hat-shaped structure, top
Portion is equipped with the first radiator structure 11, and side-walls are equipped with the second radiator structure of aliform 12 around the first radiator structure 11, and in side
The front of wall is equipped with wire connecting portion 1.Meanwhile at the bottom margin of outer housing 10, in the fin of the second radiator structure of aliform 12
Between, it is equipped with multiple drainage apertures 14.Inside outer housing 10, equipped with the mounting portion for installing DC brushless controller module
17, position and the first radiator structure 11 are corresponding.DC brushless controller module at work, can generate a large amount of heat,
The heat of generation diffuses to the first radiator structure 11 by the top of outer housing 10, and uniformly diffuses to aliform second around and dissipate
Heat structure 12.
Preferably, in the present embodiment, the first radiator structure 11 is multiple columns set on 10 top of outer housing
Shape protrusion 110.
It is furthermore preferred that the section of columnar projections 110 is that cross is quincunx, to play optimal heat dissipation effect.
In the present embodiment, driver control box is fixed by the connecting hole 16 on 10 bottom margin of outer housing with motor stator
End cap connection.As shown in figure 3, fixed side of the end cap 2 far from stator of motor stator is in disk form, edge is equipped with and outer housing
The corresponding connecting hole 22 of connecting hole 16 on 10, so as to pass through bolt for the outer housing 10 and motor stator of driver control box
Fixed end cap 2 connects.Meanwhile the edge of the fixed end cap 2 of motor stator is also provided with the outer housing with driver control box
The corresponding multiple drainage apertures 21 of drainage aperture 14 on 10, so that air can circulate through the drainage aperture.
As shown in figure 4, drainage hood 3 is the circle to match with 10 external form of outer housing of driver control box in the present embodiment
Column hat-shaped structure, top is equipped with draining hole 30 corresponding with the first radiator structure 11, and is equipped with corresponding wire connecting portion in front
One 15 wire connecting portion 2 31.In addition, the bottom margin of drainage hood 3 is additionally provided with the connecting hole 32 for installing drainage hood.
In the present embodiment, centrifugal wind wheel includes annular body, which has opening towards driver control box
Air inlet, and the air outlet of opening outwardly.To which when centrifugal wind wheel rotation, air can enter from air inlet, and from outlet air
Mouth discharge.
As it can be seen in figures 5 and 6, the annular body of centrifugal wind wheel includes annular bottom wall 40 as a kind of preferred embodiment, lean on
The inner ring body 41 of nearly 40 inner edge of annular bottom wall, on annular bottom wall 40 and root connects first group of flabellum of inner ring body outer wall
42, and the outer ring body 43 being connect with first group of 42 end of flabellum.Wherein, outer ring body 43 and inner ring body 41 are coaxially disposed, outer ring
Constitute air inlet 44 between the first end of body 43 and the free end of inner ring body 41, the second end of outer ring body 43 and annular bottom wall 40 it
Between constitute air outlet 45.Meanwhile connecting hole 49 is additionally provided on annular bottom wall 40, for centrifugal wind wheel to be connected to rotor portion
On.
In the present embodiment, after centrifugal wind wheel installation, on the position of air inlet 44 and the fixed end cap 2 of motor stator above-mentioned
Drainage aperture 21 position it is corresponding.
The radiator structure being made of above-mentioned each component in the present embodiment, the first radiator structure of draining hole 30-- therein
Channel between the wing of the second radiator structure of 11-- aliform 12 -- drainage aperture 14,44-air outlet of 21-- centrifugal wind wheel air inlet, 45 structure
At a complete air communication channel, so that cooling air is strong when centrifugal wind wheel is driven by rotor portion and rotates
System is introduced from the draining hole 30 of drainage hood 3, through the first radiator structure 11, the second radiator structure of aliform 12 and drainage aperture 14,21
It is discharged after into centrifugal wind wheel, forms good cooling effect, compared to existing simple dissipating by driver control box outer housing
The mode that heat structure radiates, greatly improves radiating efficiency, can effectively cool down the installation of driver control box center
DC brushless controller module.Meanwhile entire heat radiation structure design is compact, does not increase motor volume additionally.
Below with reference to the external rotor electric machine embodiment configured with above-mentioned radiator structure of the utility model, to above-mentioned heat dissipation knot
Structure is further described.
Embodiment 2
As shown in Figure 7 and Figure 8, second embodiment of the utility model provides a kind of external rotor electric machine, is configured with
Radiator structure in one embodiment.
Specifically, the external rotor electric machine includes stator department 1001 comprising motor stator fixes end cap 2 and is installed on motor
Stator module on the fixed end cap 2 of stator；Rotor portions 1002, central shaft are connect by bearing with stator department, outer rotor portion
Shell be equipped with second flange 52 for connecting the first flange 51 of centrifugal wind wheel 4 and for connecting with wind wheel.This implementation
External rotor electric machine is additionally provided with mounting plate 6 in example.Due to external rotor electric machine basic system with for as it is known to those skilled in the art that
It is not described in further detail herein.
External rotor electric machine in the present embodiment, the radiator structure as described in just like first embodiment of configuration, rotor
When portion rotates, centrifugal wind wheel can be driven to rotate, so that cooling air is forcibly introduced into through air communication channel above-mentioned, to driving
Device control box 1 outer housing 10 in install DC brushless controller module 13 effectively cooled down, make its driver service life and
Efficiency greatly promotes, to improve the stability and reliability of motor.
Embodiment as a further preference, in first of the utility model and second embodiment, such as Fig. 6 institute
Show, the annular bottom wall 40 of centrifugal wind wheel 4 and the junction of inner ring body 41 are equipped with the ring-shaped step 46 from annular bottom wall indent, the ring
The inner wall of shape step is equipped with second group of flabellum 47.As shown in figure 8, the stator department of the corresponding external rotor electric machine of second group of flabellum 47
Inner space between rotor portions, thus, it, can be simultaneously to the inner space of motor when centrifugal wind wheel 4 is driven to rotate
It is cooled down, further improves the radiating efficiency of motor entirety, with better stability and reliability.
Embodiment as a further preference, in first of the utility model and second embodiment, stator is fixed
End cap 2 is equipped at least one annular flange, the annular body phase of the annular flange and centrifugal wind wheel 4 towards the side of centrifugal wind wheel
Adaptation constitutes clearance-type connected structure.
Preferably, as shown in figure 5, the inner ring body of centrifugal wind wheel 4 is equipped with engagement groove 48 at the inside of free end.Such as figure
Shown in 8, the annular flange on the fixed end cap 2 of stator is set as two, wherein first annular flange 22 and centrifugal wind wheel annular master
It is adapted on the inside of the air inlet outer wall of body, the second annular flange 23 is adapted with the engagement groove 48 of inner ring body free end.
Using the above structure, centrifugal wind wheel can be used as motor sound joint surface seam allowance again, so that the degree of protection of motor
It can achieve IP54 or more.
Embodiment 3
As shown in figure 9, the third embodiment of the utility model provides a kind of centrifugal blower, including wind wheel 1005 and use
In the motor of driving wind wheel, which is above-mentioned second external rotor electric machine as described in the examples, and wind wheel 1004 passes through aforementioned
Second flange 52 connect with the rotor portions of external rotor electric machine.
Since the external rotor electric machine of the utility model has excellent heat dispersion performance as the aforementioned and safeguard structure, the present embodiment
In centrifugal blower, compared to existing centrifugal blower have better stability and reliability, thus have stronger market it is competing
Strive power.
The method and its core concept of the above embodiments are only used to help understand the utility model.It should refer to
It out, for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection scope of the utility model claims
It is interior.
Claims (9)
1. a kind of radiator structure of outer rotor motor driven device characterized by comprising
Driver control box (1), is installed on stator fixed end cap (2), and the first heat dissipation knot is equipped at the top of outer housing (10)
Structure (11), and the second radiator structure of aliform (12) around first radiator structure (11) is equipped in shell body sidewall；
Drainage hood (3) covers on the outer housing (10) of the driver control box, and is equipped in top and corresponds to described the
The draining hole (30) of one radiator structure (11)；
And centrifugal wind wheel (4), it is connect with rotor portion, including annular body, the annular body has opening direction
The air inlet (44) of driver control box (1), and the air outlet (45) of opening outwardly；
Wherein, the bottom of driver control box (1) outer housing (10) and stator fixing end cover that be respectively equipped with position opposite
Several drainage apertures (14,21) answered, the drainage aperture are located between the fin of the second radiator structure of aliform (12), and with institute
The position for stating centrifugal wind wheel air inlet (44) is corresponding.
2. the radiator structure of outer rotor motor driven device as described in claim 1, which is characterized in that first radiator structure
It (11) include the multiple columnar projections (110) being set at the top of the outer housing.
3. the radiator structure of outer rotor motor driven device as claimed in claim 2, which is characterized in that the columnar projections
(110) section is that cross is quincunx.
4. the radiator structure of outer rotor motor driven device as described in claim 1, which is characterized in that the ring of the centrifugal wind wheel
Shape main body includes annular bottom wall (40), close to annular bottom wall (40) inner edge inner ring body (41), be set to annular bottom wall (40) on and
Root connects first group of flabellum (42) of inner ring body outer wall, and the outer ring body (43) connecting with first group of flabellum (42) end；
The outer ring body (43) and inner ring body (41) are coaxially disposed, between the first end of outer ring body (43) and the free end of inner ring body (41)
It constitutes the air inlet (44), constitutes the air outlet (45) between the second end and annular bottom wall (40) of outer ring body (43).
5. the radiator structure of outer rotor motor driven device as claimed in claim 4, which is characterized in that the annular bottom wall (40)
It is equipped with the ring-shaped step (46) from annular bottom wall indent with the junction of inner ring body (41), the inner wall of the ring-shaped step is equipped with
Second group of flabellum (47).
6. the radiator structure of outer rotor motor driven device as described in claim 4 or 5, which is characterized in that the stator is fixed
End cap (2) is equipped at least one annular flange, the annular flange and the centrifugation wind in the side towards the centrifugal wind wheel
The annular body of wheel (4) is adapted, and constitutes clearance-type connected structure.
7. the radiator structure of outer rotor motor driven device as claimed in claim 6, which is characterized in that the inner ring body is in freedom
Engagement groove (48) is equipped at the inside at end；The annular flange is set as two, wherein first annular flange (22) with it is described
It is adapted on the inside of the air inlet outer wall of centrifugal wind wheel annular body, the second annular flange (23) is described with inner ring body free end
Engagement groove (48) is adapted.
8. a kind of external rotor electric machine, the driving portion (1003) including stator department (1001), rotor portions (1002) and connecting stator portion,
It is characterized by: the external rotor electronic configuration is just like the described in any item radiator structures of claim 1-7, wherein described turn
Sub-portion (1002) is equipped with connecting flange (51) in one end close to driving portion (1003), and the centrifugal wind wheel (4) passes through the connection
Flange is connect with rotor portions.
9. a kind of centrifugal blower, the motor including wind wheel and for driving wind wheel, which is characterized in that the motor is as right is wanted
External rotor electric machine described in asking 8, the wind wheel (1004) connect with the rotor portions (1002) of the external rotor electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414681.4U CN209516799U (en) | 2019-03-29 | 2019-03-29 | A kind of radiator structure, motor and the centrifugal blower of outer rotor motor driven device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414681.4U CN209516799U (en) | 2019-03-29 | 2019-03-29 | A kind of radiator structure, motor and the centrifugal blower of outer rotor motor driven device |
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| Publication Number | Publication Date |
|---|---|
| CN209516799U true CN209516799U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920414681.4U Active CN209516799U (en) | 2019-03-29 | 2019-03-29 | A kind of radiator structure, motor and the centrifugal blower of outer rotor motor driven device |
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| CN (1) | CN209516799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831053A (en) * | 2019-03-29 | 2019-05-31 | 浙江铭振电子股份有限公司 | Radiator structure, motor and the centrifugal blower of outer rotor motor driven device |
-
2019
- 2019-03-29 CN CN201920414681.4U patent/CN209516799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831053A (en) * | 2019-03-29 | 2019-05-31 | 浙江铭振电子股份有限公司 | Radiator structure, motor and the centrifugal blower of outer rotor motor driven device |
| CN109831053B (en) * | 2019-03-29 | 2025-02-21 | 浙江铭振电子股份有限公司 | Heat dissipation structure of external rotor motor drive, motor and centrifugal fan |
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