CN109611377B - Electric supercharger impeller - Google Patents
Electric supercharger impeller Download PDFInfo
- Publication number
- CN109611377B CN109611377B CN201811520950.1A CN201811520950A CN109611377B CN 109611377 B CN109611377 B CN 109611377B CN 201811520950 A CN201811520950 A CN 201811520950A CN 109611377 B CN109611377 B CN 109611377B
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- CN
- China
- Prior art keywords
- impeller
- motor
- bearing
- rotor
- pressing cap
- 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.)
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Abstract
The invention provides an electric supercharger impeller, which comprises an impeller, a pressing cap, a left bearing, a right bearing and a motor structure, wherein the impeller is of a structure that one blade is distributed in bilateral symmetry, and air is simultaneously fed from the left side and the right side and exhausted in the radial direction; the central axis of the impeller is fixed through a pressing cap after a right bearing, a motor structure and a left bearing are sequentially arranged from right to left. Compared with the prior art, the invention has the following advantages: the bidirectional air inlet is adopted, and the motor is integrated in the impeller of the air compressor, so that the axial force is eliminated, and the structure is simplified; the rotor is positioned in the hole of the compressor impeller, so that the rotor is not easy to scatter, and the reliability is improved.
Description
Technical Field
The invention belongs to the technical field of electromechanics, and particularly relates to an electric supercharger impeller.
Background
The electric supercharger of the single compressor has the problem of large axial force, the axial force of the rotor is unbalanced due to the unidirectional acting force of the compressor impeller on the rotor, a thrust bearing needs to be added during design, the structure is complex, and the reliability is poor.
Disclosure of Invention
In view of this, the present invention is directed to an electric supercharger impeller, which integrates a motor inside an air compressor impeller by using bidirectional air intake, thereby eliminating axial force and simplifying the structure.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an electric supercharger impeller comprises an impeller, a pressing cap, a left bearing, a right bearing and a motor structure, wherein the impeller is of a structure that one blade is distributed in bilateral symmetry, and air is simultaneously fed from the left side and the right side and exhausted in the radial direction; the central axis of the impeller is fixed through a pressing cap after a right bearing, a motor structure and a left bearing are sequentially arranged from right to left.
Furthermore, the motor structure comprises a motor rotor and a motor stator, the motor rotor is fixed on the impeller, and the motor stator is arranged inside the motor rotor.
Furthermore, the right side of the impeller is provided with a step hole step for limiting and mounting the right bearing.
Furthermore, a threaded hole is formed in the left end of the impeller, and the threaded part of the pressing cap is screwed into the threaded hole of the impeller.
Furthermore, the right end of the impeller is provided with an impeller wrench hole, and the pressing cap is provided with a pressing cap wrench hole.
Furthermore, a left outer spacing sleeve is arranged between the pressing cap and the left bearing, and the right side of the left outer spacing sleeve is in contact with the outer ring of the left bearing.
Furthermore, the left side and the right side of the motor rotor are respectively provided with a left rotor spacer sleeve and a right rotor spacer sleeve, and the left side and the right side of the motor stator are respectively provided with a left stator spacer sleeve and a right stator spacer sleeve.
Compared with the prior art, the invention has the following advantages:
(1) the invention adopts bidirectional air intake, integrates the motor in the impeller of the compressor, eliminates the axial force and simplifies the structure;
(2) the rotor of the invention is positioned in the hole of the compressor impeller, is not easy to scatter, and has improved reliability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic cross-sectional view of an electric supercharger impeller according to an embodiment of the present invention.
Description of reference numerals:
1-a pressing cap wrench hole, 2-a pressing cap, 3-a left outer spacer sleeve, 4-a left bearing, 5-a left stator spacer sleeve, 6-a left rotor spacer sleeve, 7-an impeller, 8-a motor rotor, 9-a motor stator, 10-a right rotor spacer sleeve, 11-a right stator spacer sleeve, 12-a right bearing and 13-an impeller wrench hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
An electric supercharger impeller is shown in figure 1 and comprises an impeller 7, a pressing cap 2, a left bearing 4, a right bearing 12 and a motor structure, wherein the impeller 7 is a structure that one blade is distributed in bilateral symmetry, and air is simultaneously fed from the left side and the right side and exhausted in the radial direction; the central axis of the impeller 7 is fixed by the pressing cap 2 after being sequentially provided with the right bearing 12, the motor structure and the left bearing 4 from right to left.
The motor structure comprises a motor rotor 8 and a motor stator 9, the motor rotor 8 is fixed on the impeller 7, and the motor stator 9 is arranged inside the motor rotor 8.
And a step hole step for limiting and mounting the right bearing 12 is arranged on the right side of the impeller 7.
The left end of the impeller 7 is provided with a threaded hole, and the threaded part of the pressing cap 2 is screwed into the threaded hole of the impeller 7.
The right end of the impeller 7 is provided with an impeller wrench hole 13, and the compressing cap 2 is provided with a compressing cap wrench hole 1.
A left outer spacing sleeve 3 is arranged between the pressing cap 2 and the left bearing 4, and the right side of the left outer spacing sleeve 3 is in contact with the outer ring of the left bearing 4.
The left side and the right side of the motor rotor 8 are respectively provided with a left rotor spacer sleeve 6 and a right rotor spacer sleeve 10, and the left side and the right side of the motor stator 9 are respectively provided with a left stator spacer sleeve 5 and a right stator spacer sleeve 11.
The electric supercharger impeller adopts bidirectional air inlet, and the motor is integrated in the compressor impeller, so that the axial force is eliminated, and the structure is simplified; meanwhile, the rotor is positioned in a hole of the compressor impeller, so that the rotor is not easy to scatter, and the reliability is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. An electric supercharger impeller characterized in that: the device comprises an impeller (7), a pressing cap (2), a left bearing (4), a right bearing (12) and a motor structure, wherein the impeller (7) is of a structure that one blade is distributed in bilateral symmetry, and air is simultaneously fed from the left side and the right side and exhausted in the radial direction; the central axis of the impeller (7) is sequentially provided with a right bearing (12), a motor structure and a left bearing (4) from right to left and then fixed through a pressing cap (2);
the motor structure comprises a motor rotor (8) and a motor stator (9), the motor rotor (8) is fixed on the impeller (7), and the motor stator (9) is arranged inside the motor rotor (8);
a left outer spacer sleeve (3) is arranged between the pressing cap (2) and the left bearing (4), and the right side of the left outer spacer sleeve (3) is in contact with the outer ring of the left bearing (4);
the left side and the right side of the motor rotor (8) are respectively provided with a left rotor spacer sleeve (6) and a right rotor spacer sleeve (10), and the left side and the right side of the motor stator (9) are respectively provided with a left stator spacer sleeve (5) and a right stator spacer sleeve (11).
2. An electric supercharger impeller according to claim 1, wherein: and a step hole step for limiting and mounting the right bearing (12) is arranged on the right side of the impeller (7).
3. An electric supercharger impeller according to claim 1, wherein: the left end of the impeller (7) is provided with a threaded hole, and the threaded part of the pressing cap (2) is screwed into the threaded hole of the impeller (7).
4. An electric supercharger impeller according to claim 1, wherein: the right end of the impeller (7) is provided with an impeller wrench hole (13), and the pressing cap (2) is provided with a pressing cap wrench hole (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520950.1A CN109611377B (en) | 2018-12-12 | 2018-12-12 | Electric supercharger impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520950.1A CN109611377B (en) | 2018-12-12 | 2018-12-12 | Electric supercharger impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109611377A CN109611377A (en) | 2019-04-12 |
| CN109611377B true CN109611377B (en) | 2020-11-03 |
Family
ID=66008028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520950.1A Active CN109611377B (en) | 2018-12-12 | 2018-12-12 | Electric supercharger impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611377B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404343B (en) * | 2019-10-09 | 2022-03-25 | 青岛天一集团红旗电机有限公司 | Explosion-proof three-phase asynchronous motor suitable for mine working condition |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203307U (en) * | 1987-05-20 | 1987-12-26 | 铁道部大连内燃机车研究所 | Anti-surge device for turbosuper chargers |
| CN2348156Y (en) * | 1998-01-26 | 1999-11-10 | 冶金工业部钢铁研究总院靖江不锈钢泵阀厂 | Vertical pump |
| CN201963596U (en) * | 2011-02-18 | 2011-09-07 | 长沙赛尔机泵有限公司 | Centrifugal compressor and impeller thereof |
| KR101409556B1 (en) * | 2012-11-09 | 2014-06-19 | 삼성전기주식회사 | Electric blower |
| US20150104335A1 (en) * | 2013-10-15 | 2015-04-16 | Solar Turbines Incorporated | Internal-driven compressor having a powered compressor rotor |
| CN104564575A (en) * | 2013-10-23 | 2015-04-29 | 王晓军 | Turbo propeller |
| CN103944313A (en) * | 2014-05-09 | 2014-07-23 | 北京良明同创水处理设备开发中心 | Direct-coupled magnetic suspension fan |
| CN204628098U (en) * | 2015-05-04 | 2015-09-09 | 亿昇(天津)科技有限公司 | A kind of axial force balance also can carry out the centrifugal blower structure of motor cooling |
| CN106640693A (en) * | 2015-11-02 | 2017-05-10 | 北京良明宇航节能动力装备技术开发中心 | Vertical type direct connection draught fan |
| CN205533344U (en) * | 2016-04-01 | 2016-08-31 | 安徽科达埃尔压缩机有限公司 | A two -sided impeller for centrifugal blower |
| CN205779789U (en) * | 2016-06-13 | 2016-12-07 | 中国科学院工程热物理研究所 | A kind of air compressor structure with embedded coaxial motor |
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2018
- 2018-12-12 CN CN201811520950.1A patent/CN109611377B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109611377A (en) | 2019-04-12 |
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