CN207513901U - A kind of centrifugal blower of good heat dissipation effect - Google Patents
A kind of centrifugal blower of good heat dissipation effect Download PDFInfo
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- CN207513901U CN207513901U CN201721624281.3U CN201721624281U CN207513901U CN 207513901 U CN207513901 U CN 207513901U CN 201721624281 U CN201721624281 U CN 201721624281U CN 207513901 U CN207513901 U CN 207513901U
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- electric machine
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- ring flat
- heat dissipation
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Abstract
The utility model is related to a kind of centrifugal blowers of good heat dissipation effect, it includes spiral case, motor and impeller, impeller includes the preceding ring flat-plate being oppositely arranged and rear ring flat-plate, several blades are fixedly installed between preceding ring flat-plate and rear ring flat-plate, further include the axle sleeve and connection disc for being connected with machine shaft, axle sleeve is fixedly connected by multiple connection disc with the rear ring flat-plate, and ventilation hole is formed between connection disc；Motor includes the electric machine casing of straight-tube shape, the stator and rotor being arranged in electric machine casing, electric machine casing inner wall is provided with several inner fins, outer wall is provided with several outer fins, electric machine casing front end is provided with drive end bearing bracket, multiple preceding air holes are provided on drive end bearing bracket, electric machine casing rear end is provided with rear end cap, multiple rear air holes are provided on rear end cap, the rear air inlet of spiral case is connect by connecting cylinder with electric machine casing, and the gas channel formed between the gas channel and outer fin that are formed between inner fin is by preceding air holes and the connecting cylinder unicom.
Description
Technical field
The utility model is related to centrifugal blowers, and in particular to a kind of centrifugal blower of good heat dissipation effect.
Background technology
For the motor of high-speed centrifugal blower since its working speed is very high, load capacity is big, causes its calorific value very big, causes
The internal temperature of motor is excessively high, influences the normal work of motor, and the load capacity not reached requirement even results in burn-down of electrical machinery.Cause
This is in order to ensure that the safe operation of wind turbine needs timely and effectively to cool down.
In the prior art, it in order to which rotor in motor and stator is made to be cooled down, introduces the stream in the object of motor
Portion, smaller however, as electric machine casing internal clearance, air-flow is obstructed, therefore cooling-down effect is poor, in addition, since drainage tube is set
Structure, on the one hand affect the structure of wind turbine gas access, efficiency caused to reduce, the problem of additionally, due to pressure differential, largely
Air-flow be still that spiral case is entered by the gas access of housing, will not largely be flowed from drainage tube, therefore its cooling-down effect
Ideal effect cannot be reached.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of centrifugal blowers of good heat dissipation effect.
To solve the above problems, technical solution adopted in the utility model is：
A kind of centrifugal blower of good heat dissipation effect, key technology are：It includes spiral case, motor and is arranged in spiral case
Impeller, the shaft of the motor is fixedly connected with the impeller；
Air outlet, the one side wall setting advance air port of spiral case, another side wall setting rear air inlet are provided on the spiral case；
The impeller includes the preceding ring flat-plate being oppositely arranged and rear ring flat-plate, is fixedly installed between preceding ring flat-plate and rear ring flat-plate several
Blade further includes axle sleeve and connection disc, the axle sleeve for being connected with the shaft and is located at the preceding ring flat-plate and rear ring flat-plate
Between, the axle sleeve is fixedly connected by multiple connection disc with the rear ring flat-plate, and ventilation hole is formed between the connection disc；
The motor includes the electric machine casing of straight-tube shape, the stator and rotor being arranged in electric machine casing, the motor casing
Internal wall, which is uniformly distributed, is provided with several inner fins, and electric machine casing outer wall, which is uniformly distributed, is provided with several outer fins, the interior wing
Piece supports the stator, and the electric machine casing front end is provided with drive end bearing bracket, multiple preceding air holes are provided on the drive end bearing bracket, described
Electric machine casing rear end is provided with rear end cap, and multiple rear air holes are provided on the rear end cap, and the rear air inlet of the spiral case passes through
Connecting cylinder is connect with the electric machine casing, and the gas channel formed between the gas channel and outer fin that are formed between inner fin is equal
Pass through the preceding air holes and the connecting cylinder unicom.
As further improvement of the utility model, heat-dissipating impeller is provided on the rear shaft end of the shaft.
As further improvement of the utility model, the heat-dissipating impeller is set on the outside of the rear end cap.
As further improvement of the utility model, the electric machine casing rear end is provided with dust-proof back cover, the heat dissipation leaf
Wheel is located on the inside of the dust-proof back cover.
As further improvement of the utility model, filter layer is provided on the inside of the dust-proof back cover.
As further improvement of the utility model, the inner fin and outer fin are Y-shaped.
As further improvement of the utility model, the axle sleeve is fixed on a fixation disk, the fixed disk with
The connection disc is fixedly connected.
As further improvement of the utility model, the fixed disk is in bowl-shape.
It is using advantageous effect caused by above-mentioned technical proposal：
The utility model makes the front and rear sides of spiral case can enter the wind by the improvement to blade wheel structure, and this practicality is new
Type utilizes the air-flow of its rear air inlet, it is made to cool down while air inlet to motor.Wherein, the inner walls of motor pass through
Inner fin is supported stator, then makes to form gas channel between stator and housing, in the drive end bearing bracket and rear end cap of motor
On open up air holes, air-flow is made smoothly to be entered in motor by rear end cap, and entered in spiral case across motor, realized pair
Cooling inside motor.Similarly, several fins are also provided in electric machine casing outer wall, while Temperature fall cooling is realized, leaf
The air-flow of wheel also can be such that the air-flow between outer fin quickly flow in spiral case, and progress increases the effect of radiating and cooling.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the schematic cross-sectional view of the utility model.
Fig. 2 is the structure diagram of impeller.
Fig. 3 is the structure diagram of electric machine casing.
Fig. 4 is the cross-sectional structure schematic diagram of electric machine casing.
Fig. 5 is the structure diagram of front end-plate.
Wherein：1 spiral case, 1-1 air outlets, 1-2 advances air port, 1-3 connecting cylinders, 1-4 rear air inlets, 2-1 stators, 2-2 turn
Air holes, 2-9 rear end caps, 2-10 before son, 2-3 electric machine casings, 2-4 shafts, 2-5 inner fins, 2-6 outer fin, 2-7 drive end bearing brackets, 2-8
Afterwards before air holes, 2-11 heat-dissipating impellers, 2-12 dust-proof back covers, 3 impellers, 3-1 ring flat-plate after ring flat-plate, 3-2,3-3 blades, 3-4 fix disk,
3-5 connections disc, 3-6 ventilation holes, 3-7 axle sleeves.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, in the following with reference to the drawings and specific embodiments
Clear, complete description is carried out to utility model.
A kind of centrifugal blower of good heat dissipation effect as shown in Figure 1, including spiral case 1, motor and is arranged in spiral case 1
Impeller 3, the shaft 2-4 of the motor are fixedly connected with the impeller 3, and air outlet 1-1 is provided on the spiral case 1, spiral case 1
One side wall setting advance air port 1-2, another side wall setting rear air inlet 1-4, motor are located at the rear air inlet 1-4 sides of spiral case 1.
As shown in Fig. 2, the impeller 3 includes the preceding ring flat-plate 3-1 being oppositely arranged and rear ring flat-plate 3-2, preceding ring flat-plate 3-1 and rear ring
Several blade 3-3 are fixedly installed between plate 3-2, further include axle sleeve 3-7 and connection disc for being connected with the shaft 2-4
Between the preceding ring flat-plate 3-1 and rear ring flat-plate 3-2, the axle sleeve 3-7 is fixed at a fixation disk by 3-5, the axle sleeve 3-7
On 3-4, the fixed disk 3-4 is fixedly connected with the connection disc 3-5, the connection disc 3-5 other ends and the rear ring
Plate 3-2 is fixedly connected, and ventilation hole 3-6, the fixed disk 3-4 are formed between the connection disc 3-5 in bowl-shape.The fixed disk
3-4 and multiple connection disc 3-5 forms the cavity of a taper, and cone-shaped cavity top is advanced.What cone-shaped cavity was specifically stablized
Mechanical structure, and make front and rear air inlet can smoothly suction airflow, reduce resistance.
Shown as shown in Figure 1, Figure 3 and Figure 4, the motor includes the electric machine casing 2-3 of straight-tube shape, is arranged on electric machine casing 2-3
Interior stator 2-1 and rotor 2-2, the electric machine casing 2-3 inner walls, which are uniformly distributed, is provided with several inner fin 2-5, electric machine casing
2-3 outer walls, which are uniformly distributed, is provided with several outer fin 2-6, and the inner fin 2-5 and outer fin 2-6 are Y-shaped.Y-shaped wing
Piece has good heat conductivility, can guarantee that heat dissipation effect is good.
As described in figures 1 and 5, the point of the inner fin 2-5 supports the stator 2-1, before the electric machine casing 2-3
End, which is provided on drive end bearing bracket 2-7, the drive end bearing bracket 2-7, is provided with multiple preceding air holes 2-8, the electric machine casing 2-3 rear ends setting
Have and multiple rear air holes 2-10, preceding air holes 2-8, inner fin 2-5 gaps and rear wind are provided on rear end cap 2-9, the rear end cap 2-9
Hole 2-10 makes to form the gas flow of perforation in motor.The rear air inlet 1-4 of the spiral case 1 passes through connecting cylinder 1-3 and the electricity
The 2-3 connections of casing body, the gas channel formed between the gas channel and outer fin 2-6 that are formed between inner fin 2-5 pass through
The preceding air holes 2-8 and the connecting cylinder 1-3 unicom, are entered by connecting cylinder 1-3, ventilation hole 3-6 in spiral case 1.Wherein, institute
The front port for stating electric machine casing 2-3 is fixedly connected with the drive end bearing bracket 2-7, and electric machine casing 2-3 is located on preceding air holes 2-8,
Preceding air holes 2-8 is divided into two parts, the corresponding outer fin 2-6 of a part, another part corresponds to the runner inside motor.
Heat-dissipating impeller 2-11, the heat-dissipating impeller 2-11 are additionally provided on the rear shaft end of the shaft 2-4 and is set to described
On the outside of rear end cap 2-9.The heat-dissipating impeller 2-11 plays the role of drainage, and the air-flow of outside motor is made to be drawn into electric machine casing
Portion further increases throughput, improves the efficiency of cooling.
The electric machine casing 2-3 rear ends are provided with dust-proof back cover 2-12, the heat-dissipating impeller 2-11 be located at it is described it is dust-proof after
It covers on the inside of 2-12, filter layer is provided on the inside of the dust-proof back cover 2-12.Since there are dust impurity etc. in air, enter
Gas needs inside to motor are filtered, and are avoided inside dust accretions to motor, are thought additionally, due to electric machine casing and outside
It is logical, therefore be mounted on use in clean space as possible, such as hospital Intensive Care Unit either in dustless workshop or by its
The box house of one dust control and noise absorption of merging uses, and water-cooling system can be further set to electricity in the babinet of the dust control and noise absorption
Machine cools down.
As shown in Figure 1, when device is run, the rear air inlet 1-4 of spiral case attracts air-flow to enter, and air-flow passes through dust-proof back cover
2-12 is entered inside electric machine casing, is then passed sequentially through between rear air holes 2-10, inner fin 2-5 gaps, rotor and stator
Gap is entered by preceding air holes 2-7 in connecting cylinder 1-3 again, and the heat of motor is taken away when air-flow is flowed through inside electric machine casing,
Play the role of radiating and cooling.Meanwhile outer fin 2-6 also radiates, and since preceding air holes 2-8 corresponds to outer fin 2-6 shapes
Into gas channel, be that the air-flow at outer fin quickly flows, enhance radiating efficiency.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in previous embodiment or which part technical characteristic is equal
It replaces；And these modifications or replacement, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of centrifugal blower of good heat dissipation effect, it is characterised in that：It includes spiral case (1), motor and is arranged in spiral case (1)
Impeller (3), the shaft (2-4) of the motor is fixedly connected with the impeller (3)；
Air outlet (1-1), one side wall setting advance air port (1-2) of spiral case (1), another side wall are provided on the spiral case (1)
Rear air inlet (1-4) is set；
The impeller (3) includes the preceding ring flat-plate (3-1) being oppositely arranged and rear ring flat-plate (3-2), preceding ring flat-plate (3-1) and rear ring flat-plate (3-
2) several blades (3-3) are fixedly installed between, are further included for the axle sleeve (3-7) with the shaft (2-4) connection and connection
Disc (3-5), between the preceding ring flat-plate (3-1) and rear ring flat-plate (3-2), the axle sleeve (3-7) passes through the axle sleeve (3-7)
Multiple connection disc (3-5) are fixedly connected with the rear ring flat-plate (3-2), and ventilation hole (3- is formed between the connection disc (3-5)
6)；
The motor includes the electric machine casing (2-3) of straight-tube shape, the stator (2-1) and rotor being arranged in electric machine casing (2-3)
(2-2), electric machine casing (2-3) inner wall, which is uniformly distributed, is provided with several inner fins (2-5), and electric machine casing (2-3) outer wall is equal
Even distribution is provided with several outer fins (2-6), and the inner fin (2-5) supports the stator (2-1), the electric machine casing (2-
3) front end is provided with drive end bearing bracket (2-7), and multiple preceding air holes (2-8), the electric machine casing are provided on the drive end bearing bracket (2-7)
(2-3) rear end is provided with rear end cap (2-9), and multiple rear air holes (2-10), the spiral case are provided on the rear end cap (2-9)
(1) rear air inlet (1-4) is connect by connecting cylinder (1-3) with the electric machine casing (2-3), is formed between inner fin (2-5)
Gas channel and outer fin (2-6) between the gas channel that is formed by the preceding air holes (2-8) and the connecting cylinder (1-
3) unicom.
2. a kind of centrifugal blower of good heat dissipation effect according to claim 1, it is characterised in that：The shaft (2-4)
Heat-dissipating impeller (2-11) is provided on shaft end afterwards.
3. a kind of centrifugal blower of good heat dissipation effect according to claim 2, it is characterised in that：Heat-dissipating impeller (the 2-
11) it is set on the outside of the rear end cap (2-9).
4. a kind of centrifugal blower of good heat dissipation effect according to claim 3, it is characterised in that：Electric machine casing (the 2-
3) rear end is provided with dust-proof back cover (2-12), and the heat-dissipating impeller (2-11) is on the inside of the dust-proof back cover (2-12).
5. a kind of centrifugal blower of good heat dissipation effect according to claim 4, it is characterised in that：Dust-proof back cover (the 2-
12) inside is provided with filter layer.
6. according to a kind of centrifugal blower of good heat dissipation effect of claim 1-5 any one of them, it is characterised in that：The interior wing
Piece (2-5) and outer fin (2-6) are Y-shaped.
7. according to a kind of centrifugal blower of good heat dissipation effect of claim 1-5 any one of them, it is characterised in that：The axle sleeve
(3-7) is fixed on a fixation disk (3-4), and the fixed disk (3-4) is fixedly connected with the connection disc (3-5).
8. a kind of centrifugal blower of good heat dissipation effect according to claim 7, it is characterised in that：The fixed disk (3-4)
In bowl-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624281.3U CN207513901U (en) | 2017-11-29 | 2017-11-29 | A kind of centrifugal blower of good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624281.3U CN207513901U (en) | 2017-11-29 | 2017-11-29 | A kind of centrifugal blower of good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513901U true CN207513901U (en) | 2018-06-19 |
Family
ID=62542043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721624281.3U Active CN207513901U (en) | 2017-11-29 | 2017-11-29 | A kind of centrifugal blower of good heat dissipation effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN207513901U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125055A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Volute assembly of high speed electric direct drive centrifugal fan |
| CN112049790A (en) * | 2020-07-13 | 2020-12-08 | 宁波方太厨具有限公司 | Booster pump heat radiation structure |
| CN113217426A (en) * | 2021-05-10 | 2021-08-06 | 鑫磊压缩机股份有限公司 | Impeller is from inhaling refrigerated magnetic suspension fan |
| TWI779645B (en) * | 2020-07-09 | 2022-10-01 | 南韓商Ｌｇ電子股份有限公司 | Fan motor |
-
2017
- 2017-11-29 CN CN201721624281.3U patent/CN207513901U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125055A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Volute assembly of high speed electric direct drive centrifugal fan |
| TWI779645B (en) * | 2020-07-09 | 2022-10-01 | 南韓商Ｌｇ電子股份有限公司 | Fan motor |
| US11725671B2 (en) | 2020-07-09 | 2023-08-15 | Lg Electronics Inc. | Fan motor |
| CN112049790A (en) * | 2020-07-13 | 2020-12-08 | 宁波方太厨具有限公司 | Booster pump heat radiation structure |
| CN112049790B (en) * | 2020-07-13 | 2021-05-18 | 宁波方太厨具有限公司 | Booster pump heat radiation structure |
| CN113217426A (en) * | 2021-05-10 | 2021-08-06 | 鑫磊压缩机股份有限公司 | Impeller is from inhaling refrigerated magnetic suspension fan |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210121 Address after: 276000 Luoxi street, high tech Zone, Linyi City, Shandong Province Patentee after: Shandong ruidean Environmental Protection Technology Co.,Ltd. Address before: 050000 south of mengdongzhuang Road, HENGJING Road, Luancheng District, Shijiazhuang City, Hebei Province Patentee before: HEBEI GAORONG AIR BLOWER Co.,Ltd. |