CN108023441B - Novel motor wind path structure - Google Patents
Novel motor wind path structure Download PDFInfo
- Publication number
- CN108023441B CN108023441B CN201711362268.XA CN201711362268A CN108023441B CN 108023441 B CN108023441 B CN 108023441B CN 201711362268 A CN201711362268 A CN 201711362268A CN 108023441 B CN108023441 B CN 108023441B
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- Prior art keywords
- axial rib
- fan
- wind shield
- air
- inner fan
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- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000004804 winding Methods 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
A novel motor air path structure comprises a machine base, cooling pipes, axial rib plates and an inner fan, wherein a plurality of axial rib plates are arranged in a cooling cavity at intervals along the circumferential direction, and a plurality of cooling pipes are arranged in a cavity between every two adjacent axial rib plates; the rotor is also provided with a spacing ring, a baffle plate and a spacing cylinder, wherein the baffle plate is fixedly arranged on the rotating shaft and positioned at the left end part of the axial ventilating duct of the rotor; the air isolation cylinder is fixed with the axial rib plate and comprises a first air isolation cylinder and a second air isolation plate arranged along the radial direction; an annular wind shield is arranged at the right side of the inner fan and at the position corresponding to the first spacing ring, and the wind shield is fixedly connected with the inner fan and rotates along with the inner fan. The novel motor air path structure comprises a first air isolation cylinder, a second air isolation plate vertically arranged on the right side of the first air isolation cylinder, and a baffle plate and a wind shield, the wind path is enabled to walk along a prescribed route, the stator iron core and windings of motors at the left end and the right end can be fully ventilated and cooled, and the cooling effect on the windings and the iron core is improved.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a novel motor air path structure.
Background
The motor is a conversion device for converting electric energy into mechanical energy, the working principle of the three-phase asynchronous motor is that the motor is electrified, a stator generates a rotating magnetic field, a conducting bar of the rotor cuts magnetic force lines, so that the rotor is stressed, the rotor rotates along the direction of the rotating magnetic field of the stator, and finally, torque is transmitted through the shaft extension of the rotor, the process of converting electric energy into mechanical energy is realized, and stator loss, rotor loss, core loss, mechanical loss, stray loss and the like are finally shown in the form of heat in the motor in normal operation.
The synchronous rotating speeds of the 2 poles and the 4 poles are 3000r/min and 1500r/min respectively, the motor rotating speed is high, the axial ventilation effect of the axial flow fan is good, so that more air quantity can be used for cooling the iron core, a part of reflected air is used for cooling the motor winding, the internal ventilation and heat dissipation are good, and the symmetrical axial flow fan has no problem. In the case of the symmetrical centrifugal fans 6P and above, the motor rotation speed is reduced with the increase of the number of poles, and at this time, the motor winding end cannot be sufficiently cooled with the axial fan, and the number of poles is increased, so that the number of stator slots is increased, the gap between the coil end parts is small, and the wind at the coil end parts basically does not pass through the gap between the coils but passes through the straight line part of the motor. The ribs of the centrifugal fan and the welding shaft also have the phenomenon of wind robbing, the welding rib shaft is equivalent to a small fan, the welding rib shaft is used for ventilating the rotor iron core, and how the iron core wind quantity and the winding end wind quantity are distributed is a difficult point which is puzzled to design, so that the symmetrical centrifugal fan has a problem.
Disclosure of Invention
The invention aims to provide a novel motor air path structure aiming at the condition that the cooling effect of the motor winding and the iron core is poor, change the running path of the air path and improve the cooling effect of the left end winding, the right end winding and the iron core.
In order to solve the technical problems, the invention adopts the following technical scheme: the novel motor air path structure comprises a machine base, cooling pipes, axial rib plates and an inner fan, wherein the machine base comprises a machine base body and a machine base inner ring, a cooling cavity is formed between the machine base body and the machine base inner ring, a plurality of axial rib plates are arranged in the cooling cavity along the circumferential direction at intervals, each axial rib plate is fixedly arranged with the machine base, and a plurality of cooling pipes are distributed in cavities between adjacent axial rib plates; defining one side of the shaft extension end of the rotating shaft as left, wherein the inner fan is positioned at the left part of the motor and is fixed on the rotating shaft through the fan seat, and a spacing ring, a partition plate and a wind-isolating cylinder are also arranged; the baffle plate is fixedly arranged on the rotating shaft and positioned at the left end part of the axial ventilating duct of the rotor; the air isolation cylinder is fixed with the axial rib plate and comprises a first air isolation cylinder which is axially arranged and sleeved on the outer side of the stator, and a second air isolation plate which is radially arranged and fixed on the right side of the first air isolation cylinder; and an annular wind shield is arranged at the right side of the inner fan at a position corresponding to the first spacing ring, and the wind shield is fixedly connected with the inner fan and rotates along with the inner fan.
When the inner fan rotates, air flow is transmitted to the cooling cavity outwards by the inner fan under the blocking of the wind shield, then is transmitted to the winding and the rotating shaft at the right end part under the blocking of the first wind shield and the second wind shield, then is transmitted leftwards by the rotor axial ventilating duct, passes through the stator iron core by the stator radial ventilating duct under the blocking of the partition board, and finally returns to the inner fan by the winding at the left end part under the blocking of the first wind shield and the second wind shield.
The vertical distance between the wind shield and the first spacing ring is 5-10 mm.
The outside of right side end cover still is provided with the fan housing, is equipped with outer fan in the fan housing.
The air separation barrel is fixedly welded with the axial rib plates, and the spacing ring is fixedly welded with the axial rib plates.
The axial rib plates are uniformly distributed and arranged along the circumferential direction, and 10 axial rib plates are arranged.
The beneficial effects of the invention are as follows: this novel motor wind path structure through first wind-proof section of thick bamboo and the vertical second wind-proof board that sets up on first wind-proof section of thick bamboo right side that separates that sets up along axial circumference to and the setting of baffle and deep bead, makes the wind path walk along prescribed route, can fully ventilate the cooling to stator core and the winding homoenergetic of controlling both ends motor, improves the cooling effect to winding and iron core.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a left side view of the present invention.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
The invention provides a novel motor air path structure, which is particularly suitable for an explosion-proof self-lubricating motor (IC 511 motor for short) as shown in fig. 1 and 2. The novel motor air path structure comprises a machine base, a cooling pipe 2, axial rib plates 13 and an inner fan 3, wherein the machine base comprises a machine base body 11 and a machine base inner ring 12, a cooling cavity is formed between the machine base body 11 and the machine base inner ring 12, a plurality of axial rib plates 13 are arranged in the cooling cavity along the circumferential direction at intervals, each axial rib plate 13 is fixedly arranged with the machine base, and preferably, the axial rib plates 13 are uniformly distributed along the circumferential direction and are provided with 10. Each axial rib plate 13 is fixedly arranged with the machine base, a plurality of cooling pipes 2 are arranged in a cavity between every two adjacent axial rib plates 13, one side of the shaft extension end of the rotating shaft is defined to be left, and the inner fan 3 is positioned at the left part of the motor and is fixed on the rotating shaft 4 through a fan seat 31. The air-cooling fan is also provided with a spacing ring, a partition plate 41 and an air-cooling barrel, wherein the spacing ring is fixedly arranged with the axial rib plate 13 and comprises a first spacing ring 61 arranged close to the inner fan 3 and a second spacing ring 62 arranged near the right end cover; the baffle 41 is fixedly arranged on the rotating shaft 4 and positioned at the left end part of the axial ventilating duct of the rotor; the air blocking barrel is fixed with the axial rib plate 13 and comprises a first air blocking barrel 51 which is axially arranged and sleeved on the outer side of the stator and a second air blocking plate 52 which is radially arranged and fixed on the right side of the first air blocking barrel, an annular air blocking plate 32 is arranged at the position, corresponding to the first spacing ring 61, on the right side of the inner fan 3, and the air blocking plate 32 is fixedly connected with the inner fan 3 and rotates along with the inner fan; in this embodiment, the vertical distance between the wind deflector 32 and the first spacer ring 61 is 5-10 mm, preferably 6mm, so as to prevent the axial wind path and ensure the upward transmission of the wind path. Preferably, the air separation barrel is welded and fixed with the axial rib plates 13, and the spacing ring is welded and fixed with the axial rib plates 13. In order to improve the cooling effect, a fan housing 71 is further arranged outside the right end cover, and an outer fan 7 is arranged in the fan housing.
When the inner fan rotates, the air path propagation path is as follows: the air flow is conveyed to the cooling cavity outwards by the inner fan under the blocking of the wind shield, then conveyed to the winding and the rotating shaft at the right end part under the blocking of the first wind shield and the second vertical wind shield, then conveyed leftwards by the rotor axial ventilating duct and passes through the stator iron core 43 by the stator radial ventilating duct 42 under the blocking of the baffle at the left end part of the rotor axial ventilating duct, and finally returns to the inner fan through the winding at the left end part under the blocking of the first wind shield and the second wind shield to complete the circulation of the wind path. This novel motor wind path structure through first wind-proof section of thick bamboo and the vertical second wind-proof board that sets up in first wind-proof section of thick bamboo tail end that separates that sets up along axial circumference to and the setting of baffle and deep bead, makes the wind path walk along the prescribed way, and can fully ventilate the cooling to stator core and the winding homoenergetic of controlling both ends motor.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "center", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present invention.
Where the terms "first," "second," and the like are used in this patent to define components, those skilled in the art will recognize: the use of "first" and "second" is for convenience only as well as to simplify the description of the present invention, and the words described above are not meant to be limiting.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which are all within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.
Claims (5)
1. The novel motor air path structure comprises a machine base, cooling pipes, axial rib plates and an inner fan, wherein the machine base comprises a machine base body and a machine base inner ring, a cooling cavity is formed between the machine base body and the machine base inner ring, a plurality of axial rib plates are arranged in the cooling cavity along the circumferential direction at intervals, each axial rib plate is fixedly arranged with the machine base, and a plurality of cooling pipes are distributed in a cavity between every two adjacent axial rib plates; define the axle of pivot and stretch end one side and be left, interior fan is located motor left part and is fixed in the pivot through the fan seat, its characterized in that: the air conditioner is characterized by further comprising a spacing ring, a partition plate and an air separation barrel, wherein the spacing ring is fixedly arranged with the axial rib plate and comprises a first spacing ring which is arranged close to the inner fan and a second spacing ring which is arranged near the right end cover; the baffle plate is fixedly arranged on the rotating shaft and positioned at the left end part of the axial ventilating duct of the rotor; the air isolation cylinder is fixed with the axial rib plate and comprises a first air isolation cylinder which is axially arranged and sleeved on the outer side of the stator, and a second air isolation plate which is radially arranged and fixed on the right side of the first air isolation cylinder; an annular wind shield is arranged at the right side of the inner fan and at a position corresponding to the first spacing ring, and the wind shield is fixedly connected with the inner fan and rotates along with the inner fan;
when the inner fan rotates, air flow is transmitted to the cooling cavity outwards by the inner fan under the blocking of the wind shield, then is transmitted to the winding and the rotating shaft at the right end part under the blocking of the first wind shield and the second wind shield, then is transmitted leftwards by the rotor axial ventilating duct, passes through the stator iron core by the stator radial ventilating duct under the blocking of the partition board, and finally returns to the inner fan by the winding at the left end part under the blocking of the first wind shield and the second wind shield.
2. The novel motor air path structure according to claim 1, wherein: the vertical distance between the wind shield and the first spacing ring is 5-10 mm.
3. The novel motor air path structure according to claim 1, wherein: the outside of right side end cover still is provided with the fan housing, is equipped with outer fan in the fan housing.
4. A novel motor air path structure according to any one of claims 1 to 3, characterized in that: the air separation barrel is fixedly welded with the axial rib plates, and the spacing ring is fixedly welded with the axial rib plates.
5. The novel motor air path structure according to claim 4, wherein: the axial rib plates are uniformly distributed and arranged along the circumferential direction, and 10 axial rib plates are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362268.XA CN108023441B (en) | 2017-12-18 | 2017-12-18 | Novel motor wind path structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362268.XA CN108023441B (en) | 2017-12-18 | 2017-12-18 | Novel motor wind path structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108023441A CN108023441A (en) | 2018-05-11 |
| CN108023441B true CN108023441B (en) | 2024-04-05 |
Family
ID=62074175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711362268.XA Active CN108023441B (en) | 2017-12-18 | 2017-12-18 | Novel motor wind path structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108023441B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209072171U (en) * | 2018-11-12 | 2019-07-05 | 中山大洋电机股份有限公司 | A kind of motor |
| CN109510400A (en) * | 2018-12-21 | 2019-03-22 | 卧龙电气南阳防爆集团股份有限公司 | A kind of fast exchange type motor of inner-outer circulating air |
| CN109980852A (en) * | 2019-04-23 | 2019-07-05 | 浙江运达风电股份有限公司 | A kind of wind-driven generator aeration radiation system |
| CN116436212B (en) * | 2023-06-09 | 2023-08-29 | 山西电机制造有限公司 | Motor with axial and radial mixed ventilation iron core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611229A (en) * | 2012-03-31 | 2012-07-25 | 永济新时速电机电器有限责任公司 | Air-to-air cooling double-fed asynchronous wind driven generator |
| CN204168019U (en) * | 2014-10-13 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | A kind of type of cooling is the interior wind path structure of the motor of IC511 |
| CN205039662U (en) * | 2015-10-20 | 2016-02-17 | 上海电气集团上海电机厂有限公司 | Cooling method is wind path structure of IC611's motor |
| JP2016220395A (en) * | 2015-05-20 | 2016-12-22 | 東芝三菱電機産業システム株式会社 | Rotary electric machine |
| CN207638498U (en) * | 2017-12-18 | 2018-07-20 | 卧龙电气集团股份有限公司 | A kind of New-type electric machine wind path structure |
-
2017
- 2017-12-18 CN CN201711362268.XA patent/CN108023441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611229A (en) * | 2012-03-31 | 2012-07-25 | 永济新时速电机电器有限责任公司 | Air-to-air cooling double-fed asynchronous wind driven generator |
| CN204168019U (en) * | 2014-10-13 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | A kind of type of cooling is the interior wind path structure of the motor of IC511 |
| JP2016220395A (en) * | 2015-05-20 | 2016-12-22 | 東芝三菱電機産業システム株式会社 | Rotary electric machine |
| CN205039662U (en) * | 2015-10-20 | 2016-02-17 | 上海电气集团上海电机厂有限公司 | Cooling method is wind path structure of IC611's motor |
| CN207638498U (en) * | 2017-12-18 | 2018-07-20 | 卧龙电气集团股份有限公司 | A kind of New-type electric machine wind path structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108023441A (en) | 2018-05-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 1801, Dushan Avenue, Nanyang City, Henan Province Applicant after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: 312300 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. Country or region before: China Applicant before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Country or region after: China Address after: 312300 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Applicant after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Address before: 312300 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. Country or region before: China Applicant before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |