CN207621075U - A kind of electric motor fan radiating hub structure and its cooling fan constituted - Google Patents
A kind of electric motor fan radiating hub structure and its cooling fan constituted Download PDFInfo
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- CN207621075U CN207621075U CN201721383315.4U CN201721383315U CN207621075U CN 207621075 U CN207621075 U CN 207621075U CN 201721383315 U CN201721383315 U CN 201721383315U CN 207621075 U CN207621075 U CN 207621075U
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Abstract
The utility model discloses a kind of electric motor fan radiating hub structure and its cooling fans constituted, electric motor fan radiating hub structure includes fan hub, there is motor accommodating cavity inside fan hub, fan hub is equipped with several ventilation slots along edge, fan hub is provided with ventilation hole, and ventilation slot is connected with motor accommodating cavity by ventilation hole；Cooling fan includes electric motor fan radiating hub structure, fan body and motor body, electric machine casing bottom is provided with several motor air inlets, it is provided with several motor air outlets at the top of electric machine casing, there is connection motor air inlet, the clearance channel of motor air outlet, each ventilation hole of electric motor fan radiating hub to be connected respectively with motor air outlet inside electric machine casing.Heat caused by the utility model motor body forms air by motor air inlet, motor air outlet, ventilation hole, ventilation slot and flows the circulatory system so that the heat inside motor body is discharged under air flowing in outside air.
Description
Technical field
The utility model is related to wheel hub structure and cooling fan technical field more particularly to a kind of electric motor fan radiating wheels
Hub structure and its cooling fan constituted.
Background technology
Automobile cooling fan cools down automobile engine by motor driving, due in motor in motor operation course
The various losses in portion cause its own fever and temperature to increase, and motor temperature raising can influence motor performance and shorten the motor longevity
Life.Existing automobile cooling fan carries out cooling mainly by the gusset pectinid inside fan hub to the casing of motor, right
The effect very little (although motor has heat emission hole) of the cooling of heater-armature inside motor so that motor is easy to happen high temperature.
Utility model content
Place in view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of electric motor fan radiating wheels
Hub structure and its cooling fan constituted, when automobile cooling fan cools down automobile engine, automobile cooling
Heat caused by the motor body of fan forms air flowing by motor air inlet, motor air outlet, ventilation hole, ventilation slot
The circulatory system so that the heat inside motor body is discharged under air flowing in outside air.
The purpose of this utility model is achieved through the following technical solutions：
A kind of electric motor fan radiating hub structure, including fan hub, it is empty that there is motor to accommodate for the fan hub inside
Chamber, the fan hub are equipped with several ventilation slots along edge, and the fan hub is provided with ventilation corresponding with ventilation slot
Hole, the ventilation slot are connected with motor accommodating cavity by ventilation hole.
In order to which the utility model is better achieved, the utility model provides the first ventilation slot by a blade isolation technique
Scheme is as follows：The ventilation slot is internally provided with blade, and the ventilation slot is divided into the first vented cavity and the second ventilation by blade
Chamber, first vented cavity are connected with the ventilation hole corresponding to ventilation slot respectively with the second vented cavity.
Preferably, the ventilation hole is correspondingly arranged close to fan hub motor accommodating cavity.
Preferably, the whole arc-shaped shape of the blade, described blade one end is close to fan hub outer edge, the leaf
The piece other end is set to ventilation groove center towards fan hub centre of surface position, the blade separation.
Preferably, integrally arc-shaped notch shape, first vented cavity are integrally arc-shaped for the notch of the ventilation slot
Shape, the whole arc-shaped shape of second vented cavity.
Preferably, the fan hub is uniformly distributed along edge equipped with 6~10 ventilation slots.
A kind of cooling fan being made of electric motor fan radiating hub structure, including fan body and motor body, institute
It states fan body cooperation to be installed on electric motor fan radiating hub, the motor that the motor body cooperation is installed on fan hub holds
It receives in cavity, the motor body includes electric machine casing and the armature inside electric machine casing, the armature
Power output shaft is connected with fan body power.The electric machine casing bottom is provided with several motor air inlets, the electricity
Machine case top is provided with several motor air outlets, has connection motor air inlet, motor air outlet inside the electric machine casing
Clearance channel, each ventilation hole of the electric motor fan radiating hub is connected with motor air outlet respectively.
In order to which the utility model cooling fan is better achieved, the fan body includes fan hub and is installed on fan
Each fan blade on wheel hub, power output shaft and the fan hub of the armature coordinate be connected by power.Specifically,
The center of fan hub is set there are one axis hole, and the power output shaft of the axis hole and armature is connected.
Preferably, the ventilation slot is divided into 2~4 vented cavities by several blades.
Preferably, the electric motor fan radiating hub is in integrally cylindrical shape.
The utility model compared with the prior art, has the following advantages and advantageous effect：
(1) the utility model is when automobile cooling fan cools down automobile engine, automobile cooling fan
Heat caused by motor body forms air by motor air inlet, motor air outlet, ventilation hole, ventilation slot and flows cyclic system
System so that the heat inside motor body is discharged under air flowing in outside air；The fan blade of fan body rotates
When, the air in ventilation slot is thrown away outward because centrifugation force effect can be accelerated, and increases speed air flow and air stream
Amount, improves the emission efficiency of motor body internal heat.
(2) in use, outside air enters inside electric machine casing the heat for taking away armature by motor air inlet,
Then it is discharged by motor air outlet, ventilation hole, ventilation slot, when the rotation of the fan blade of fan body, among ventilation slot
Air comes from the hot-air in electric machine casing under the arc-shaped slot suction function of each ventilation slot because centrifugal force is thrown away outward
The arc-shaped slot of ventilation slot is continuously entered, then the hot-air in the arc-shaped slot of ventilation slot is thrown away by centrifugation again,
So cycle can just be such that the air in electric machine casing flows, and the heat inside electric machine casing is taken away, motor body temperature is made
It reduces.
(3) the whole arc-shaped notch of the utility model ventilation slot, the whole arc-shaped shape of blade, can contribute to lead in this way
The air with heat is quickly discharged and is formed negative pressure under the action of the centrifugal force in wind groove, the heat being also beneficial to inside motor body
Air is quickly supplemented into ventilation slot, is accelerated air flowing repeatedly, is improved motor body radiating efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model cooling fan；
Fig. 2 is the use state diagram of the utility model cooling fan；
Fig. 3 is the close-up schematic view at R in Fig. 1；
Fig. 4 is sectional view along A-A in Fig. 1.
Wherein, entitled corresponding to the reference numeral in attached drawing：
1- fan bodies, 11- fan blade, 2- fan hubs, 3- ventilation holes, 4- ventilation slots, 5- blades, 6-
Motor air inlet, 7- armatures, 8- motor air outlets.
Specific implementation mode
The utility model is described in further detail with reference to embodiment：
Embodiment
As shown in FIG. 1 to 3, a kind of electric motor fan radiating hub structure, including fan hub 2,2 inside tool of fan hub
There are motor accommodating cavity, fan hub 2 to be equipped with several ventilation slots 4 along edge, as shown in Figure 1 and Figure 2, the utility model is excellent
The fan hub 2 of choosing is uniformly distributed along edge equipped with 6~10 ventilation slots 4.Fan hub 2 is provided with corresponding with ventilation slot 4
Ventilation hole 3, ventilation slot 4 is connected with motor accommodating cavity by ventilation hole 3；The ventilation hole 3 of the utility model is close to fan
2 motor accommodating cavity of wheel hub is correspondingly arranged, as shown in figure 3, all ventilation holes 3 of the utility model are close to motor accommodating cavity
Center location side (i.e. far from 2 outer peripheral ventilation slot of fan hub, 4 inside).Ventilation slot 4 is internally provided at least one blade
5, when ventilation slot 4 is internally provided with a blade 5, ventilation slot 4 is divided into the first vented cavity and the second ventilation by a blade 5
Chamber, the first vented cavity are connected with the ventilation hole 3 corresponding to ventilation slot 4 respectively with the second vented cavity.The utility model ventilation slot 4
2~4 vented cavities can be divided by several blades 5；When ventilation slot 4 is internally provided with two blades 5, ventilation slot 4 is logical
It crosses two blades 5 and is divided into the first vented cavity, the second vented cavity, third venting chamber, the first vented cavity, the second vented cavity, third
Vented cavity is connected with the ventilation hole 3 corresponding to ventilation slot 4 respectively.When ventilation slot 4 is internally provided with three blades 5, ventilation slot 4
It is divided into the first vented cavity, the second vented cavity, third venting chamber, the 4th vented cavity, the first vented cavity, by three blades 5
Two vented cavities, third venting chamber, the 4th vented cavity are connected with the ventilation hole 3 corresponding to ventilation slot 4 respectively.Certainly, according to upper
State method, the blade 5 of the utility model can be four or more, and ventilation slot 4 can also be separated into five or more logical by blade 5
Wind chamber.
As shown in figure 3, the whole arc-shaped shape of blade 5, for 5 one end of blade close to 2 outer edge of fan hub, blade 5 is another
End is set to 4 center of ventilation slot towards 2 centre of surface position of fan hub, the separation of blade 5.The notch of ventilation slot 4 is in integrally arc
Shape notch shape, the whole arc-shaped shape of the first vented cavity, the whole arc-shaped shape of the second vented cavity.
As shown in figure 4, a kind of cooling fan being made of electric motor fan radiating hub structure, including 1 He of fan body
Motor body, the preferred electric motor fan radiating hub of the utility model are in integrally cylindrical shape.The cooperation of fan body 1 is installed on
On electric motor fan radiating hub, motor body cooperation is installed in the motor accommodating cavity of fan hub 2, and motor body includes electricity
Casing body and the armature 7 inside electric machine casing, power output shaft and 1 power of fan body of armature 7 coordinate
Connection.Electric machine casing bottom is provided with several motor air inlets 6, several motor air outlets 8, motor are provided at the top of electric machine casing
Enclosure interior has connection motor air inlet 6, the clearance channel of motor air outlet 8, each ventilation of electric motor fan radiating hub
Hole 3 is connected with motor air outlet 8 respectively.Fan body 1 includes fan hub 2 and each wind being installed in fan hub 2
Fan leaf 11, power output shaft and the fan hub 2 of armature 7 coordinate be connected by power, the power output shaft of armature 7 to drive
Dynamic fan hub 2, all fan blade 11 rotate, to realize that fan body 1 cools down operation to automobile engine.
The operation principle of the utility model is as follows：
The utility model circumferentially opens multiple ventilation holes 3 and ventilation slot 4 in fan hub 2, the ventilation hole 3 and electric machine casing
Motor air outlet 8 communicate, electric machine casing bottom is provided with motor air inlet 6, has connection motor air inlet inside electric machine casing
6, the clearance channel of motor air outlet 8, outside air enter by motor air inlet 6 and take away armature inside electric machine casing
7 and electric machine casing inside remaining part heat, then pass through motor air outlet 8, ventilation hole 3, ventilation slot 4 be discharged, ventilation
The air draft direction in hole 3 outwardly (i.e. the air draft direction of ventilation hole 3 away from 2 center position of fan hub be discharged), ventilation hole 3 with
Ventilation slot 4 is connected.When the fan blade 11 of fan body 1 rotates, air among ventilation slot 4 because centrifugal force is thrown away outward,
The arc-shaped slot of ventilation slot 4 and the blade 5 of whole arc-shaped shape can contribute to the air in the arc-shaped slot of ventilation slot 4
Discharge forms negative pressure under the action of the centrifugal force；Then come from the hot-air in electric machine casing each ventilation slot 4 arc groove
The arc-shaped slot of ventilation slot 4 is continuously entered under mouth suction function, then the hot-air in the arc-shaped slot of ventilation slot 4
It is thrown away again by centrifugation, so cycle can just be such that the air in electric machine casing flows, and the heat inside electric machine casing is (important
It is the heat of armature 7) it takes away, make the reduction of motor body temperature.
The utility model presses the arc-shaped curved surface of the arc-shaped slot of ventilation slot 4 rotation of the fan blade 11 of fan body 1
Frontal arc shape (or do because of different occasion demands and radially or be backward bent) is made in direction, and increases in the intermediate of ventilation slot 4
If adding the blade 5 of the same curved shape of dry plate, the pressure and air mass flow that this ventilation slot 4 generates are relatively high, therefore from motor
The air mass flow that body interior is taken away is also bigger, and it is also bigger to take away heat, is more advantageous to electric motor temperature reduction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of electric motor fan radiating hub structure, including fan hub（2）, the fan hub（2）There is motor to hold for inside
Receive cavity, it is characterised in that：The fan hub（2）It is equipped with several ventilation slots along edge（4）, the fan hub（2）
It is provided with and ventilation slot（4）Corresponding ventilation hole（3）, the ventilation slot（4）Pass through ventilation hole with motor accommodating cavity（3）It is connected
It is logical.
2. a kind of electric motor fan radiating hub structure described in accordance with the claim 1, it is characterised in that：The ventilation slot（4）It is interior
Portion is equipped with blade（5）, the ventilation slot（4）Pass through blade（5）It is divided into the first vented cavity and the second vented cavity, described first is logical
Wind chamber and the second vented cavity respectively with ventilation slot（4）Corresponding ventilation hole（3）It is connected.
3. according to a kind of electric motor fan radiating hub structure as claimed in claim 1 or 2, it is characterised in that：The ventilation hole（3）
Close to fan hub（2）Motor accommodating cavity is correspondingly arranged.
4. a kind of electric motor fan radiating hub structure according to claim 2, it is characterised in that：The blade（5）It is whole
Arc-shaped shape, the blade（5）One end is close to fan hub（2）Outer edge, the blade（5）The other end is towards fan hub
（2）Centre of surface position, the blade（5）Separation is set to ventilation slot（4）Center.
5. a kind of electric motor fan radiating hub structure according to claim 4, it is characterised in that：The ventilation slot（4）'s
The whole arc-shaped notch shape of notch, integrally arc-shaped shape, second vented cavity are integrally arc-shaped for first vented cavity
Shape.
6. a kind of electric motor fan radiating hub structure described in accordance with the claim 1, it is characterised in that：The fan hub（2）
It is uniformly distributed equipped with 6~10 ventilation slots along edge（4）.
7. a kind of cooling fan being made of claim 1~6 any one of them electric motor fan radiating hub structure, including
Fan body（1）And motor body, the fan body（1）Cooperation is installed on electric motor fan radiating hub, the motor sheet
Body cooperation is installed on fan hub（2）Motor accommodating cavity in, the motor body include electric machine casing and be located at motor casing
The armature in internal portion（7）, the armature（7）Power output shaft and fan body（1）Power is connected, special
Sign is：The electric machine casing bottom is provided with several motor air inlets（6）, the electric machine casing top is provided with several motors
Air outlet（8）, the electric machine casing inside has connection motor air inlet（6）, motor air outlet（8）Clearance channel, it is described
Each ventilation hole of electric motor fan radiating hub（3）Respectively with motor air outlet（8）It is connected.
8. cooling fan according to claim 7, it is characterised in that：The fan body（1）Including fan hub（2）With
It is installed on fan hub（2）On each fan blade（11）, the armature（7）Power output shaft match with fan hub
Close be connected by power.
9. cooling fan according to claim 7, it is characterised in that：The ventilation slot（4）Pass through several blades（5）Point
It is divided into 2~4 vented cavities.
10. cooling fan according to claim 7, it is characterised in that：The electric motor fan radiating hub is in integrally cylinder
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383315.4U CN207621075U (en) | 2017-10-20 | 2017-10-20 | A kind of electric motor fan radiating hub structure and its cooling fan constituted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383315.4U CN207621075U (en) | 2017-10-20 | 2017-10-20 | A kind of electric motor fan radiating hub structure and its cooling fan constituted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621075U true CN207621075U (en) | 2018-07-17 |
Family
ID=62826484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721383315.4U Active CN207621075U (en) | 2017-10-20 | 2017-10-20 | A kind of electric motor fan radiating hub structure and its cooling fan constituted |
Country Status (1)
| Country | Link |
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| CN (1) | CN207621075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588043A (en) * | 2017-10-20 | 2018-01-16 | 东风博泽汽车系统有限公司 | A kind of electric motor fan radiating hub structure and its cooling fan formed |
-
2017
- 2017-10-20 CN CN201721383315.4U patent/CN207621075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588043A (en) * | 2017-10-20 | 2018-01-16 | 东风博泽汽车系统有限公司 | A kind of electric motor fan radiating hub structure and its cooling fan formed |
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