CN207559750U - A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink - Google Patents
A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink Download PDFInfo
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- CN207559750U CN207559750U CN201721380378.4U CN201721380378U CN207559750U CN 207559750 U CN207559750 U CN 207559750U CN 201721380378 U CN201721380378 U CN 201721380378U CN 207559750 U CN207559750 U CN 207559750U
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Abstract
The utility model is related to a kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink, including electric machine casing, rotor, stator, centrifugal impeller, air inducing wheel, exogenous wind cold passage and interior air-cooled channel；Exogenous wind cold passage is arranged between stator and electric machine casing inner wall, interior air-cooled channel is arranged between stator and rotor, the utility model is connected due to exogenous wind cold passage with interior air-cooled channel, outside motor is discharged by air inducing wheel after the air cooling stator outer surface and rotor of flowing, the utility model does not need to liquid cooling medium, without complicated auxiliary device, heat dissipation is realized by air convection, improves the stability and efficiency of complete machine.
Description
Technical field
The utility model is related to a kind of high-speed permanent magnet motor direct connection centrifugal blower heat sinks.
Background technology
The heat dissipation design of high-speed permanent magnet motor direct connection centrifugal blower is important as shafting design.High-speed permanent magnet motor turns
Sub- temperature liter is excessively high, on the one hand shafting is caused to expand, and is unfavorable for stable operation, still further aspect high-speed permanent magnet motor is generally using change
Frequency is powered, and space vector pulse width modulation control mode proposes high requirement to variable-frequency motor winding insulation.Cooling knot in it
Structure can reduce stator temperature rise, in case stator fails due to temperature is excessively high.General high speed permanent magnet motor stator cooled down using oil immersion or
Surface circulation water cooling, but corresponding liquid cooling medium cycle and cooling system are needed to configure in this way, complicated, energy consumption is big,
Improve use cost.
Utility model content
The utility model technical problem of being solved is to provide a kind of Wen Sheng for reducing stator, rotor and bearing, and raising is set
The high-speed permanent magnet motor direct connection centrifugal blower heat sink of standby operation stability and efficiency.
The utility model adopts the following technical solution：
The utility model includes electric machine casing, the rotor in electric machine casing, the stator being sleeved on rotor, difference
Centrifugal impeller and air inducing wheel and the air-cooled channel that is connected with extraneous air mounted on two ends of rotor；The air-cooled channel includes
The exogenous wind cold passage being connected and interior air-cooled channel；The exogenous wind cold passage is arranged between stator and electric machine casing inner wall, institute
Interior air-cooled channel is stated to be arranged between stator and rotor.Stator described in the utility model includes stator core, the non-terminals of stator
End plate, stator terminals end plate and stator winding；8-12 separate ventilation hole is set on electric machine casing, and the separate ventilation hole is set
It puts in the non-terminals end plate both sides of stator；The inner vent of 2 or more is set on the stator terminals end plate；The exogenous wind
Cold passage is connected with interior air-cooled channel by inner vent；The exogenous wind cold passage is connected by separate ventilation hole with extraneous air.
The non-terminals end plate of stator described in the utility model is identical with stator terminals end plate outer diameter, the non-terminals end of stator
The outer diameter of plate and stator terminals end plate is bigger 20mm-40mm than the outer diameter of stator core.
The width of exogenous wind cold passage described in the utility model is 10mm-20mm, and the width of interior air-cooled channel is 5-10mm.
The utility model good effect is as follows：The draft of air inducing wheel will be external when the utility model utilizes motor high speed rotation
Cooling air sucks the exogenous wind cold passage inside motor by separate ventilation hole, since exogenous wind cold passage is connected with interior air-cooled channel,
After the air cooling stator outer surface of flowing, enter interior air-cooled channel through the inner vent turnover on stator terminals end plate, it is cold
But outside motor is discharged by air inducing wheel after rotor.The outer diameter of the non-terminals end plate of the utility model stator and stator terminals end plate
Bigger 20mm-40mm than the outer diameter of stator core, to meet the requirement of stator winding spatial distribution, stator winding can obtain shorter end
Portion is easy to shafting stabilization.The utility model does not need to liquid cooling medium, without complicated auxiliary device, passes through cross-ventilation
Mode realizes heat dissipation, improves the stability and efficiency of complete machine.
Description of the drawings
It is attached that FIG. 1 is a schematic structural view of the utility model；
Attached drawing 2 is the utility model stator cross-sectional view.
In the accompanying drawings：1 electric machine casing, 2 non-terminals end plates, 3 stator terminals end plates, 4 stators, 5 stator cores, 6 are determined
Sub- winding, 8 centrifugal impellers, 9 air inducing wheels, 10 exogenous wind cold passages, air-cooled channel in 11,12 separate ventilation holes, is divulged information in 13 at 7 rotors
Hole.
Specific embodiment
As shown in attached drawing 1,2, the utility model includes electric machine casing 1, the rotor 7 in electric machine casing 1, is sleeved on
Stator 4 on rotor 7, the centrifugal impeller 8 for being separately mounted to 7 both ends of rotor and air inducing wheel 9 and the wind connected with extraneous air
Cold passage；Rotor 7 is p-m rotor, uses permanent magnet as cylindrical samarium cobalt permanent magnet body, 350 degrees Celsius of heatproof, permanent magnet 2
Pole, centrifugal impeller 8, air inducing wheel 9 and rotor 7 pass through pull rod direct connection.
Air-cooled channel described in the utility model includes the exogenous wind cold passage 10 being connected and interior air-cooled channel 11；The exogenous wind
Cold passage 10 is arranged between 1 inner wall of stator 4 and electric machine casing, and the width of the exogenous wind cold passage 10 is 10 mm -20mm, institute
It states interior air-cooled channel 11 and is arranged between stator 4 and rotor 7 and set, the width of interior air-cooled channel 11 is 5-10mm.This practicality is new
Stator 4 described in type includes stator core 5, the non-terminals end plate 2 of stator, stator terminals end plate 3 and stator winding 6；In electricity
8-12 separate ventilation hole 12 is set on casing body 1, and the separate ventilation hole 12 is arranged on non-2 both sides of terminals end plate of stator；Institute
State the inner vent 13 of setting 2 or more on stator terminals end plate 3；The exogenous wind cold passage 10 and interior air-cooled channel 11 pass through
Inner vent 13 connects；The exogenous wind cold passage 10 is connected by separate ventilation hole 12 with extraneous air.The non-terminals of stator
End plate 2 is identical with stator terminals 3 outer diameters of end plate, and the outer diameter of the non-terminals end plate 2 of stator and stator terminals end plate 3 compares stator
The big 20mm-40mm of outer diameter of iron core 5.To meet the requirement of 6 spatial distribution of stator winding, stator winding 6 can obtain shorter end,
It is easy to shafting stabilization.
During utility model works, during motor high speed rotation the draft of air inducing wheel 9 cooled external air is passed through into separate ventilation
Hole 12 sucks the exogenous wind cold passage 10 inside motor, since exogenous wind cold passage 10 is connected with interior air-cooled channel 11, the air of flowing
After cooling down 4 outer surface of stator, enter interior air-cooled channel 11 through the turnover of inner vent 13 on stator terminals end plate 3, cooling turns
Outside motor is discharged by air inducing wheel 9 after son 7.
The outer diameter of the non-terminals end plate 2 of the utility model stator and stator terminals end plate 3 is bigger than the outer diameter of stator core 5
20mm-40mm.To meet the requirement of 6 spatial distribution of stator winding, stator winding 6 can obtain shorter end, be easy to shafting stabilization.
The utility model does not need to liquid cooling medium, without complicated auxiliary device, realizes heat dissipation by air convection, carries
The high stability and efficiency of complete machine.
Finally illustrate, the above is only the preferred embodiment of the utility model only, not limiting this reality
With novel, any modification made within the spirit and principles of the present invention, equivalent replacement or improvement etc. should all include
It is within the protection scope of the utility model.
Claims (4)
1. a kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink, it is characterised in that it includes electric machine casing（1）, installation
In electric machine casing（1）Interior rotor（7）, be sleeved on rotor（7）On stator（4）, be separately mounted to rotor（7）The centrifugation at both ends
Impeller（8）With air inducing wheel（9）And the air-cooled channel connected with extraneous air；
The air-cooled channel includes the exogenous wind cold passage being connected（10）With interior air-cooled channel（11）；
The exogenous wind cold passage（10）It is arranged on stator（4）With electric machine casing（1）Between inner wall, the interior air-cooled channel（11）If
It puts in stator（4）With rotor（7）Between.
A kind of 2. high-speed permanent magnet motor direct connection centrifugal blower heat sink according to claim 1, it is characterised in that institute
State stator（4）Including stator core（5）, the non-terminals end plate of stator（2）, stator terminals end plate（3）And stator winding
（6）；
In electric machine casing（1）8-12 separate ventilation hole of upper setting（12）, the separate ventilation hole（12）It is arranged on the non-terminals of stator
End plate（2）Both sides；
In the stator terminals end plate（3）The inner vent of upper setting 2 or more（13）；
The exogenous wind cold passage（10）With interior air-cooled channel（11）Pass through inner vent（13）Connection；
The exogenous wind cold passage（10）Pass through separate ventilation hole（12）It is connected with extraneous air.
A kind of 3. high-speed permanent magnet motor direct connection centrifugal blower heat sink according to claim 2, it is characterised in that institute
State the non-terminals end plate of stator（2）With stator terminals end plate（3）Outer diameter is identical, the non-terminals end plate of stator（2）It is connect with stator
Line end end plate（3）Outer diameter compare stator core（5）The big 20mm-40mm of outer diameter.
A kind of 4. high-speed permanent magnet motor direct connection centrifugal blower heat sink according to claim 2, it is characterised in that institute
State exogenous wind cold passage（10）Width for 10mm-20mm, interior air-cooled channel（11）Width be 5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380378.4U CN207559750U (en) | 2017-10-25 | 2017-10-25 | A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380378.4U CN207559750U (en) | 2017-10-25 | 2017-10-25 | A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559750U true CN207559750U (en) | 2018-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721380378.4U Active CN207559750U (en) | 2017-10-25 | 2017-10-25 | A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink |
Country Status (1)
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|---|---|
| CN (1) | CN207559750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245431A (en) * | 2018-09-10 | 2019-01-18 | 石家庄金士顿轴承科技有限公司 | A kind of fuel battery air compressor high-speed motor cooling body |
| CN109921567A (en) * | 2019-05-06 | 2019-06-21 | 哈尔滨理工大学 | A kind of large synchronous compensator rotor rotation formula air-makeup system |
| CN111555526A (en) * | 2020-04-22 | 2020-08-18 | 铜车马动力科技(宁波)有限公司 | Lightweight new energy automobile power assembly |
-
2017
- 2017-10-25 CN CN201721380378.4U patent/CN207559750U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245431A (en) * | 2018-09-10 | 2019-01-18 | 石家庄金士顿轴承科技有限公司 | A kind of fuel battery air compressor high-speed motor cooling body |
| WO2020052011A1 (en) * | 2018-09-10 | 2020-03-19 | 石家庄金士顿轴承科技有限公司 | High-speed motor cooling mechanism for fuel cell air compressor |
| CN109921567A (en) * | 2019-05-06 | 2019-06-21 | 哈尔滨理工大学 | A kind of large synchronous compensator rotor rotation formula air-makeup system |
| CN111555526A (en) * | 2020-04-22 | 2020-08-18 | 铜车马动力科技(宁波)有限公司 | Lightweight new energy automobile power assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High speed permanent magnet motors directly allies oneself with centrifugal blower heat sink Effective date of registration: 20190716 Granted publication date: 20180629 Pledgee: China Everbright Bank, Limited by Share Ltd, Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY CO., LTD. Registration number: 2019130000013 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200724 Granted publication date: 20180629 Pledgee: China Everbright Bank Limited by Share Ltd. Shijiazhuang branch Pledgor: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. Registration number: 2019130000013 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee after: Hebei Kingston Technology Co.,Ltd. Address before: 052360 South Weiyi Road, Xinji Economic Development Zone, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG KINGSTON BEARING TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |