CN109488640B - Cooling air outlet structure of rotor in magnetic suspension blower - Google Patents
Cooling air outlet structure of rotor in magnetic suspension blower Download PDFInfo
- Publication number
- CN109488640B CN109488640B CN201811548091.7A CN201811548091A CN109488640B CN 109488640 B CN109488640 B CN 109488640B CN 201811548091 A CN201811548091 A CN 201811548091A CN 109488640 B CN109488640 B CN 109488640B
- Authority
- CN
- China
- Prior art keywords
- impeller
- rotor
- fairing
- cooling
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 239000000725 suspension Substances 0.000 title claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Abstract
The invention discloses a cooling air outlet structure of a rotor in a magnetic suspension blower, which comprises a rotor, an impeller, an air inlet channel and a fairing, wherein the rotor is fixedly connected with the impeller; the rotor is characterized in that a cooling through hole is formed in the axis direction of the rotor, a heat dissipation cavity is formed in the axis direction of the impeller and is communicated with the cooling through hole, a plurality of ventilation holes are formed in the circumferential wall of the fairing, and the ventilation holes are communicated with the heat dissipation cavity. The fairing of the invention is convenient for cooling air outlet of the impeller, and simultaneously prevents dust at the upper end of the air inlet channel from falling into the impeller, and the side surface of the fairing is provided with a circle of wind opening holes for the fairing to flow out of the cooling air, so that the cooling air can be directly used as a working medium to flow into the fluid component; meanwhile, the air flows out from the side surface, so that the air can not collide with the air flowing in from the upper end of the air inlet channel, and the flow and the efficiency are affected.
Description
Technical field:
the invention relates to a cooling air outlet structure of a rotor in a magnetic suspension blower.
The background technology is as follows:
the inside of impeller is dug, and the impeller is linked together with the rotor hole, and the rotor cooling wind gets into inside the impeller through the rotor hole, and the inside back of dug of impeller is linked together with the rotor hole, and the air-out direction of cooling wind can strike with the intake duct wind, influences flow efficiency, and the dust of intake duct upper end can get into impeller and rotor inside relatively easily, lacks dustproof construction.
The invention comprises the following steps:
the invention aims to solve the problems in the prior art and provides a cooling air outlet structure of a rotor in a magnetic suspension blower.
The invention adopts the technical scheme that: the cooling air outlet structure of the rotor in the magnetic suspension blower comprises a rotor, an impeller, an air inlet channel and a fairing, wherein the rotor is fixedly connected with the impeller, the impeller is arranged in the air inlet channel, a rotating gap is formed between the impeller and the air inlet channel, and the fairing is fixed on the upper end surface of the impeller; the rotor is characterized in that a cooling through hole is formed in the axis direction of the rotor, a heat dissipation cavity is formed in the axis direction of the impeller and is communicated with the cooling through hole, a plurality of ventilation holes are formed in the circumferential wall of the fairing, and the ventilation holes are communicated with the heat dissipation cavity.
Further, a platform part is arranged on the outer wall of the fairing, a threaded hole is arranged on the platform part, and the threaded hole is arranged along the axial direction of the fairing.
Further, the fairing is made of nonmetallic materials.
The invention has the following beneficial effects: the fairing of the invention is convenient for cooling air outlet of the impeller, and simultaneously prevents dust at the upper end of the air inlet channel from falling into the impeller, and the side surface of the fairing is provided with a circle of wind opening holes for the fairing to flow out of the cooling air, so that the cooling air can be directly used as a working medium to flow into the fluid component; meanwhile, the air flows out from the side surface, so that the air can not collide with the air flowing in from the upper end of the air inlet channel, and the flow and the efficiency are affected.
Description of the drawings:
fig. 1 is a structural diagram of the present invention.
Fig. 2 is a structural view of a cowling according to the present invention.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the cooling air outlet structure of a rotor in a magnetic suspension blower of the present invention comprises a rotor 1, an impeller 2, an air inlet 3 and a fairing 4, wherein the rotor 1 is fixedly connected with the impeller 2, the impeller 2 is arranged in the air inlet 3, a rotation gap 10 is formed between the impeller 2 and the air inlet 3, and the fairing 4 is fixed on the upper end surface of the impeller 2. The rotor 1 is provided with a cooling through hole 11 in the axial direction, a heat dissipation cavity 21 is arranged in the axial direction of the impeller 2, the heat dissipation cavity 21 is communicated with the cooling through hole 11, a plurality of ventilation holes 41 are arranged on the circumferential wall of the fairing 4, and the ventilation holes 41 are communicated with the heat dissipation cavity 21.
The outer wall of the cowling 4 is provided with a platform 42, the platform 42 is provided with a screw hole, the screw hole is provided along the axial direction of the cowling 4, the impeller 2 is provided with a screw hole, and the platform 42 is connected with a screw by screw to fix the cowling 4 on the impeller 2.
The fairing 4 is made of nonmetallic materials, and the weight of the upper end of the rotor is reduced while the use strength is met.
The cooling air flows upward from the cooling through holes 11 of the rotor into the heat dissipation chamber 21 of the impeller, and flows into the intake duct through the ventilation holes 41 of the cowling.
The fairing 4 is convenient for cooling air of the impeller to be discharged, meanwhile, dust at the upper end of the air inlet channel is prevented from falling into the impeller, and a circle of wind opening holes 41 are formed in the side surface of the fairing 4 and are used for flowing out of the cooling air, so that the cooling air can be directly used as a working medium to flow into the fluid component; meanwhile, the air flows out from the side surface, so that the air can not collide with the air flowing in from the upper end of the air inlet channel, and the flow and the efficiency are affected.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (1)
1. The utility model provides a cooling air-out structure of rotor in magnetic suspension air-blower which characterized in that: the air inlet device comprises a rotor (1), an impeller (2), an air inlet channel (3) and a fairing (4), wherein the rotor (1) is fixedly connected with the impeller (2), the impeller (2) is arranged in the air inlet channel (3), a rotating gap (10) is formed between the impeller (2) and the air inlet channel (3), and the fairing (4) is fixed on the upper end face of the impeller (2); the rotor (1) is provided with a cooling through hole (11) in the axial direction, the impeller (2) is provided with a heat dissipation cavity (21) in the axial direction, the heat dissipation cavity (21) is communicated with the cooling through hole (11), the circumferential wall of the fairing (4) is provided with a plurality of ventilation holes (41), and the ventilation holes (41) are communicated with the heat dissipation cavity (21);
the outer wall of the fairing (4) is provided with a platform part (42), the platform part (42) is provided with a threaded hole, and the threaded hole is arranged along the axial direction of the fairing (4);
the fairing (4) is made of nonmetallic materials.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548091.7A CN109488640B (en) | 2018-12-18 | 2018-12-18 | Cooling air outlet structure of rotor in magnetic suspension blower |
| PCT/CN2019/105503 WO2020125086A1 (en) | 2018-12-18 | 2019-09-12 | Cooling-air discharging structure of rotor in magnetically levitated blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548091.7A CN109488640B (en) | 2018-12-18 | 2018-12-18 | Cooling air outlet structure of rotor in magnetic suspension blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488640A CN109488640A (en) | 2019-03-19 |
| CN109488640B true CN109488640B (en) | 2023-12-26 |
Family
ID=65710759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811548091.7A Active CN109488640B (en) | 2018-12-18 | 2018-12-18 | Cooling air outlet structure of rotor in magnetic suspension blower |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109488640B (en) |
| WO (1) | WO2020125086A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488640B (en) * | 2018-12-18 | 2023-12-26 | 南京磁谷科技股份有限公司 | Cooling air outlet structure of rotor in magnetic suspension blower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422485A (en) * | 2015-12-09 | 2016-03-23 | 南京磁谷科技有限公司 | Cooling structure of rotor of air blower |
| CN106411046A (en) * | 2016-11-21 | 2017-02-15 | 南京磁谷科技有限公司 | Air-cooled flow channel structure inside magnetic levitation fan |
| CN106451881A (en) * | 2016-11-21 | 2017-02-22 | 南京磁谷科技有限公司 | Magnetic suspension air blower air cooling structure |
| CN107968527A (en) * | 2017-12-28 | 2018-04-27 | 南京磁谷科技有限公司 | A kind of cooling structure of magnetic suspension motor rotor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3571551B2 (en) * | 1998-10-28 | 2004-09-29 | 三菱電機株式会社 | Electric blower |
| JP2002250294A (en) * | 2001-02-21 | 2002-09-06 | Nikkiso Co Ltd | Centrifugal pump |
| US6923619B2 (en) * | 2003-08-05 | 2005-08-02 | Rotys Inc. | Integrated blade cooler for electronic components |
| CN201351511Y (en) * | 2008-12-17 | 2009-11-25 | 陈发谦 | Turbocharger |
| CN103899540A (en) * | 2012-12-24 | 2014-07-02 | 管兵 | Double-bearing supporting type chemical engineering process magnetic drive pump |
| CN107559238B (en) * | 2017-08-07 | 2019-08-27 | 江苏大学 | A kind of import guiding device improving canned motor pump cavitation performance |
| CN109488640B (en) * | 2018-12-18 | 2023-12-26 | 南京磁谷科技股份有限公司 | Cooling air outlet structure of rotor in magnetic suspension blower |
| CN209340218U (en) * | 2018-12-18 | 2019-09-03 | 南京磁谷科技有限公司 | The structure of the cooling wind outlet air of rotor in a kind of magnetic suspension air blower |
-
2018
- 2018-12-18 CN CN201811548091.7A patent/CN109488640B/en active Active
-
2019
- 2019-09-12 WO PCT/CN2019/105503 patent/WO2020125086A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422485A (en) * | 2015-12-09 | 2016-03-23 | 南京磁谷科技有限公司 | Cooling structure of rotor of air blower |
| CN106411046A (en) * | 2016-11-21 | 2017-02-15 | 南京磁谷科技有限公司 | Air-cooled flow channel structure inside magnetic levitation fan |
| CN106451881A (en) * | 2016-11-21 | 2017-02-22 | 南京磁谷科技有限公司 | Magnetic suspension air blower air cooling structure |
| CN107968527A (en) * | 2017-12-28 | 2018-04-27 | 南京磁谷科技有限公司 | A kind of cooling structure of magnetic suspension motor rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109488640A (en) | 2019-03-19 |
| WO2020125086A1 (en) | 2020-06-25 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.99 Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Applicant after: Nanjing Cigu Technology Co.,Ltd. Address before: 211102 No. 100 Jiuzhu Road, Jiangning Development Zone, Nanjing, Jiangsu Province Applicant before: NANJING CIGU Ltd.,Corp. |
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| GR01 | Patent grant |