CN210469041U - Parallel air cooling circulating system of ultra-high-speed motor - Google Patents
Parallel air cooling circulating system of ultra-high-speed motor Download PDFInfo
- Publication number
- CN210469041U CN210469041U CN201921620677.XU CN201921620677U CN210469041U CN 210469041 U CN210469041 U CN 210469041U CN 201921620677 U CN201921620677 U CN 201921620677U CN 210469041 U CN210469041 U CN 210469041U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- air
- stator
- rotor
- cavity
- 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 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004519 grease Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a parallel air cooling circulation system of an ultra-high speed motor, which comprises a cavity enclosed by an annular casing, a front end cover and a rear end cover, wherein a stator is arranged in the casing, a rotor is arranged at the center of the stator, and an air gap is arranged between the stator and the rotor; the rotor and the stator divide the cavity into a front end cavity and a rear end cavity; the rotating shaft of the rotor comprises a middle part with a larger diameter, a front section part and a rear section part with a smaller shaft diameter, and is characterized in that: a centrifugal fan is arranged at one end part of the middle part of the rotating shaft; a main air duct is arranged in the rotating shaft, a rotating shaft air inlet communicated with the main air duct and the front end cavity is arranged at the front section part of the rotating shaft, and a rotating shaft air outlet communicated with the main air duct and the rear end cavity is arranged at the rear end part of the middle part of the rotating shaft; the outer edge of the iron core of the stator is provided with a stator cooling channel which is communicated with the front end cavity and the rear end cavity along the axial direction. The utility model discloses a two way parallelly connected cooling circulation system, it improves rotor cooling effect by a wide margin, and has compact structure's advantage.
Description
Technical Field
The utility model relates to a cooling system of motor especially relates to a parallelly connected forced air cooling circulation system of rotor of hypervelocity motor.
Background
The motor is widely applied to various fields of industrial production, and the ultra-high speed motor generally refers to a motor with the rotating speed of more than 1000 revolutions and is often applied to the industries of compressors, blowers and ORC.
Because of the ultra-high speed motor, the volume of the motor needs to be limited, and because the motor is small in volume and high in power density, the heat dissipation of a rotor of the motor is very difficult. At present, the external fan is mounted on the motor shell to achieve the effect of forced cooling, the structure can effectively cool the motor stator and the stator winding, but the cooling effect of the rotor which generates heat seriously is not good.
The existing ultra-high speed motor only cools the outer surface of the rotor, and because the outer surface of the magnetic steel generally adopts a magnetic steel fixing sleeve, and the magnetic steel fixing sleeve has poor heat conductivity, the cooling on the surface of the rotor can only take away part of the heat of the magnetic steel, and meanwhile, the heat in the rotor cannot be completed through the cooling on the surface, and if the magnetic steel cannot be cooled well, the magnetic steel can generate demagnetization due to the rise of the heat; when the rotor bearing adopts a ball bearing, the bearing can generate grease overflow due to overhigh heat, and the service life of the bearing is further influenced.
Referring to fig. 1, a rotor cooling mode of a conventional ultra-high speed motor is shown, a fan 2 is arranged outside a housing, an air inlet 3 is arranged on the circumference of the housing, cold air 1 outside is fed by the fan 2 through the air inlet 3 of the housing, enters an air gap air duct 5 between a rotor and a stator through a stator air duct 4 arranged in the middle of the stator, flows out to two ends through the air gap air duct 5, takes away heat on the surface of the rotor, and hot air is discharged out of the motor through air outlet holes 6 on front and rear end covers, so that the rotor is cooled. However, this cooling method has disadvantages: 1. a fan is required to be arranged outside, so that the volume of the whole motor is increased; 2, the cold air can only reach the surface of the rotor and only take away the heat on the surface of the rotor magnetic steel, but the heat of the rotor magnetic steel cannot be cooled, so that when the heat of the rotor rises, the ball bearings at two ends are heated, further the lubricating grease is melted, and the service life of the ball bearings is influenced; meanwhile, the temperature of the magnetic steel in the rotor rises, so that the magnetic steel is demagnetized, and the service life of the magnetic steel is shortened.
Therefore, the air cooling circulation system which is used for cooling the inside and the outside of the rotor simultaneously and is small in size and suitable for the ultra-high speed motor adopting the ball bearing and connected in parallel becomes the aim pursued by the technicians in the field.
Disclosure of Invention
An object of the utility model is to solve current hypervelocity motor, especially adopt the not good problem of above-mentioned cooling effect that the rotor cooling of the hypervelocity motor of ball bearing exists.
The utility model provides a super high speed motor parallel air cooling circulation system for solving the problems of the prior art, which comprises a cavity enclosed by an annular casing, a front end cover and a rear end cover and used for accommodating a stator and a rotor, wherein the stator is arranged in the casing in an interference fit manner, the rotor is arranged at the center of the stator, and an air gap is arranged between the stator and the rotor; the rotor and the stator divide the cavity into a front end cavity and a rear end cavity; the rotating shaft of the rotor includes: be used for setting up magnet steel, and have the mid portion of major diameter and be located the anterior segment part and the back end part that have less shaft diameter at both ends, its characterized in that: the end part of the middle part of the rotating shaft, which is close to the front end cavity, is provided with a centrifugal fan which is used for forcefully pushing the air in the front end cavity to the rear end cavity through an air gap between the rotor and the stator; a main air duct is arranged in the rotating shaft, the length of the main air duct extends from a front end cavity to a rear end cavity, a rotating shaft air inlet communicated with the main air duct and the front end cavity is arranged at the front section of the rotating shaft, and a rotating shaft air outlet communicated with the main air duct and the rear end cavity is arranged at the rear end part of the middle part of the rotating shaft; and the outer edge of the iron core of the stator is axially provided with a stator cooling channel which is communicated with the front end cavity and the rear end cavity.
Preferably, the air inlet of the rotating shaft is obliquely arranged, and an included angle between the air inlet of the rotating shaft and the wind direction of the main air duct of the rotating shaft is an obtuse angle.
Preferably, the air outlet of the rotating shaft is obliquely arranged, and an included angle between the air outlet of the rotating shaft and the wind direction of the main wind channel of the rotating shaft is an acute angle.
The air inlet and the air outlet are inclined at a certain angle with the axis, and the direction of the air inlet and the direction of the air outlet face to the direction of air flow, so that the structure is favorable for reducing wind resistance.
Preferably, the main air duct is in a long cylindrical shape and is located at the center of the rotating shaft. The main air duct is arranged at the axis of the rotor and used as a main air flow channel, is circular, can mainly improve the front degree of the rotating shaft, can also enable the distances between the air duct and the magnetic steel to be the same, has uniform cooling effect, and obviously can select other shapes which can be used for air circulation.
Preferably, the rear end of the middle part of the rotating shaft is provided with an annular conical surface, and the outlet of the rotating shaft air outlet is positioned on the annular conical surface.
In order to reduce the wind resistance, as a preferable mode, the air outlet and the air inlet of the rotating shaft are respectively composed of a plurality of cylindrical ventilation holes, and the total area of the air inlet of the rotating shaft is equal to or slightly larger than that of the air outlet of the rotating shaft.
Preferably, the centrifugal fan comprises a plurality of centrifugal blades uniformly distributed along the circumferential direction, and the centrifugal blades are directly molded or arranged at the end part of the middle part of the rotating shaft through a ring; the included angle between the centrifugal fan blade and the circumferential tangent direction of the rotating shaft is 15-45 degrees.
Preferably, the centrifugal fan blade has a cross-sectional shape of: the cross section of the blade is in an arc shape with the front wide and the rear sharp and the front and the rear surfaces.
Preferably, the stator cooling channel at the outer edge of the stator core is: a plurality of flat fan-shaped grooves arranged at the outer edge of the iron core; or the following steps: a plurality of radial air deflectors are arranged on the outer edge of the iron core, and a stator cooling channel is formed between every two adjacent air deflectors; or the following steps: and a plurality of circular through holes or long circular through holes are uniformly distributed along the circumference and are formed at the position close to the outer edge of the iron core.
Preferably, the number of the rotating shaft air outlets is twice that of the rotating shaft air inlets, and the total areas of the rotating shaft air outlets and the rotating shaft air inlets are equal.
The utility model discloses a parallel air-cooled circulation system of an ultra-high speed motor, which adopts two cooling branches for cooling the inside of a rotating shaft and the surface of a rotor respectively; external cooling circuit system: the centrifugal fan is arranged at the end part of the middle part of the rotating shaft close to the front end cavity, pressure difference is generated between the front end cavity and the rear end cavity under the action of the centrifugal fan, cooling airflow in the front end cavity is pressed into an air gap between the stator and the rotor which are close to each other by the centrifugal fan, and the cooling airflow flows out of the air gap into the rear end cavity after heat exchange is carried out in the air gap between the stator and the rotor, so that an external cooling channel of the rotor is formed. Meanwhile, the internal cooling branch system is as follows: the main air duct for ventilation is arranged in the center of the rotating shaft, the length of the main air duct does not extend to the two ends of the rotating shaft, and the outlet diameter of the air outlet of the rotating shaft is larger than the inlet diameter of the air inlet of the rotating shaft, namely, under the action of centrifugal force, the inlet of the air inlet hole is a low-pressure air inlet, the outlet of the air outlet hole is a high-pressure air outlet, when the rotating shaft rotates at high speed, a low-pressure area of air flow is formed at the low-pressure air inlet, and a high-pressure; therefore, air in the front-end cavity enters the main air duct of the rotating shaft through the rotating shaft air inlet in the low-pressure area and enters the rear-end cavity through the rotating shaft air outlet in the high-pressure area, and heat in the center of the rotor is taken away to form a cooling channel in the rotor; under the action of pressure, air from the inner cooling channel and the outer cooling channel of the rotor flows outwards and returns to the cavity at the front end through the stator cooling channel at the outer edge of the stator, so that cold air carries heat generated inside and outside the rotor out through the two parallel air-cooled circulation channels inside and outside the rotor, and when the cold air passes through the stator cooling channel, the heat of the rotor is carried away through the shell after the cold air is subjected to sufficient heat exchange with the shell; thereby returning the cooled air to the front cavity for the next cooling cycle. Therefore, compared with the prior art, the cooling fan is not needed to be arranged outside the rotor for cooling, and the problem that the rotor can only cool the outer surface of the rotor and cannot well cool the center of the rotating shaft and the magnetic steel part close to the center in the prior art is solved.
The utility model discloses owing to adopt the mode of two parallelly connected cooling rotors of way to make the cooling effect improve by a wide margin, do not need peripheral hardware cooling fan moreover for compact structure is simple, small in size.
Drawings
FIG. 1 is a schematic view of a prior art rotor cooling arrangement for an ultra high speed motor;
fig. 2 is a schematic cross-sectional view of the ultra-high speed motor parallel air-cooling circulation system according to the present invention;
fig. 3 is a schematic cross-sectional view of a rotor of a parallel air-cooling circulation system of an ultra-high speed motor according to the present invention;
FIG. 3a is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 3B is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 3C is a cross-sectional view taken along line C-C of FIG. 3;
fig. 4 is a front view of a rotating shaft of the ultra-high speed motor parallel air cooling circulation system of the present invention;
FIGS. 4a, 4b, and 4c are schematic structural views of three embodiments of fan blades;
FIG. 5 is a front view of a stator of the parallel air cooling circulation system of the ultra-high speed motor of the present invention;
5a, 5b, 5c, 5D are cross-sectional views of four embodiments of the stator, D-D of FIG. 5;
fig. 6 is a working schematic diagram of the parallel air cooling circulation system of the ultra-high speed motor of the present invention.
1, a machine shell; 2-stator, 21-stator cooling channel, 22-radial air deflector; 3-rotor, 31-rotating shaft, 311-middle part, 312-front part, 313-rear part, 314-main air duct, 315-rotating shaft air inlet, 316-rotating shaft air outlet, 317-annular conical surface and 32-magnetic steel; 4-front end cover; 5-rear end cap; 6-ball bearing, 7-bearing end cover; 8-cavity, 81-front end cavity, 82-back end cavity; 9-air gap; 10-centrifugal fan, 101-centrifugal fan blade, 102-ring.
Detailed Description
Referring to fig. 2-6, the ultra-high speed motor parallel air cooling circulation system of the present invention is shown, which comprises a casing 1 in a ring shape; a front end cover 4 and a rear end cover 5 are arranged at the front end and the rear end of the machine shell 1, a cavity 8 which can contain the stator 2 and the rotor 3 is enclosed by the front end cover and the rear end cover, a ball bearing 6 is arranged at the center of the front end cover and the rear end cover, a bearing end cover 7 and a sealing device are arranged at the outer end of the ball bearing 6, and the ball bearing 6 is used for supporting a rotating shaft 31 of the rotor 3; the stator 2 is arranged in the machine shell 1 in an interference fit manner, the rotor 3 is arranged at the center of the stator 2, and an air gap 9 is arranged between the stator 2 and the rotor 3; the rotor 3 and the stator 2 divide the cavity 8 into a front cavity 81 and a rear cavity 82; referring to fig. 3, the rotor 3 includes a rotating shaft 31 and magnetic steel 32 disposed on the surface of the rotating shaft 31, the rotating shaft 31 is in a step shape with a large middle diameter and small two ends, and includes a middle portion 311, a front portion 312 and a rear portion 313, the middle portion 311 has a large diameter for disposing the magnetic steel 32, and the front portion 312 and the rear portion 313 are located at two ends and have a small diameter; the characteristics of forced air cooling circulation system lie in: a centrifugal fan 10 is provided in a circumferential direction at an end portion of the middle portion 311 of the rotating shaft 31 near the front end cavity 81 for strongly pushing air of the front end cavity 81 to the rear end cavity 82 through the air gap 9 between the rotor 3 and the stator 2, thereby taking heat away from the surface of the rotor 3; meanwhile, a main air duct 314 with two closed ends is arranged on the central position of the rotating shaft 31, which is best, the length of the main air duct 314 is matched with the distance between the front end cavity 81 and the rear end cavity 82, a rotating shaft air inlet 315 communicated with the main air duct 314 and the front end cavity 81 is radially arranged on the front section 312 of the rotating shaft 31, and a rotating shaft air outlet 316 communicated with the main air duct 314 and the rear end cavity 82 is arranged on the rear end of the middle part 311 of the rotating shaft 31; a stator cooling passage 21 communicating the front end cavity 81 and the rear end cavity 82 is provided in the axial direction at the outer edge of the core of the stator 2. The main air duct 314 is disposed at the axis of the rotor, and serves as a main air flow passage, and is circular, but may be other shapes for air circulation, and is disposed at the axis to improve the strength of the rotating shaft and make the rotating shaft equidistant from the magnetic steel on the periphery of the rotating shaft, so as to cool the rotating shaft uniformly. Because the rotating shaft air inlet 315 and the rotating shaft air outlet 316 at the two ends of the rotor are respectively a low-pressure air inlet and a high-pressure air outlet, because the diameter of the rotating shaft where the rotating shaft air inlet 315 is located is smaller, the rotating shaft is a low-pressure air inlet, and the diameter of the rotating shaft where the rotating shaft air outlet 316 is located is larger, the rotating shaft is a high-pressure air outlet, the airflow flows from the front end cavity 81 to the rear end cavity 82 through the main air duct 314, and the heat inside the rotor is taken away. Simultaneously, establish the centrifugal fan on the front end of pivot mid portion, impress the cold air of front end in the air gap 9 between rotor, the stator, carry out the heat exchange, cool off the rotor surface, consequently, the parallelly connected forced air cooling circulation system of hypervelocity motor circulate through the parallelly connected forced air cooling of two tunnel to the rotor, promoted the cooling effect to high-speed permanent magnet rotor greatly.
Referring to fig. 3, 3a and 3b, further, as a preferred mode, in order to make the airflow passing through the main air duct 314 of the rotating shaft smooth, the air inlet 315 of the rotating shaft is preferably disposed obliquely, and the included angle α between the air inlet 315 of the rotating shaft and the air direction of the main air duct 314 of the rotating shaft (the air flow direction) is an obtuse angle, and the air outlet 316 of the rotating shaft is preferably disposed obliquely, and the included angle β between the air inlet 316 of the rotating shaft and the air direction of the main air duct 314 of the rotating shaft is an acute angle.
Further, the rear end of the middle portion 311 of the shaft 31 has an annular tapered surface 317 on which the outlet of the shaft outlet 316 is located. The annular conical surface 317 is convenient for air to flow, reduces wind resistance and facilitates processing and manufacturing of the air outlet 316.
Referring to fig. 4 and 3c, the centrifugal fan 10 includes 6 centrifugal fan blades 101, as shown in fig. 4, the centrifugal fan blades 101 can be directly formed on the surface of the rotating shaft 31, which is advantageous in avoiding assembly errors and having high precision; a ring 102 may also be added, as shown in fig. 3c, the centrifugal fan 101 is formed on the ring 102, and the ring 102 is sleeved on the front end of the middle portion of the rotating shaft 31 by interference fit, so that the processing of the centrifugal fan is more convenient by adding the ring 102; the included angle between the centrifugal fan blade and the circumferential tangent of the rotating shaft is 15-45 degrees; referring to fig. 4a, 4b, 4c, the cross-sectional shape of the centrifugal fan blade along the circumference is: the cross section of the blade is in an arc shape with the front wide and the rear sharp and the front and the rear surfaces; the streamline is adopted, the efficiency is better, and the rectangular blades with the same width are adopted, so that the cost is favorably reduced.
Referring to fig. 5, 5a, 5b, 5c, 5d, the structure of the stator cooling channel 21 on the outer edge of the core of the stator 2 is shown, and as shown in fig. 5a, the stator cooling channel 21 is four flat fan-shaped grooves arranged on the outer edge of the core; referring to fig. 5b, a plurality of radial air deflectors 22 are arranged on the outer edge of the iron core, and a stator cooling channel 21 is formed between adjacent air deflectors 22; referring to fig. 5c, the stator cooling channel 21 is 8 oblong through holes that are opened near the outer edge of the iron core and are uniformly distributed along the circumference; referring to fig. 5d, the stator cooling channels 21 are 10 circular through holes opened close to the outer edge of the core and evenly distributed along the circumference. It can be seen that the shape of the stator cooling channel 21 may be in the form of a through hole or an open groove, and the shape is not limited to the four embodiments described above, but may be in other shapes that can achieve ventilation and are easy to machine.
Referring to fig. 6, the parallel air cooling circulation system of the ultra-high speed motor comprises two parallel circulative cooling systems for cooling the rotor, and the internal cooling branch system thereof is: the low temperature cooling air flow in the front cavity 81 flows through the spindle air inlet 315, enters the main air duct 314, exchanges heat in the rotor main air duct 314, and then flows out of the spindle air outlet 316 to enter the high temperature rear cavity 82. The external cooling circuit system is: the cooling air flow with low temperature in the front cavity 81 is pressed in by the centrifugal fan 10, passes through the air gap 9 between the rotor 3 and the stator 2, is subjected to heat exchange on the surface of the rotor 3, is converged with the internal cooling branch, enters the rear cavity 82, flows into the stator cooling channel 21 through the winding end part of the stator 2, is subjected to heat exchange in the stator cooling channel 21, is cooled, returns to the front cavity 81, and enters the next circulation. Therefore, the utility model discloses do not need the fan that the peripheral hardware is used for cooling off the rotor, only just accomplish the inside and outside cooling of rotor in the cavity of motor inside, its cooling effect improves by a wide margin.
The foregoing description is intended to be illustrative rather than limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit or scope of the invention as defined in the claims, for example: change the shape of rotor main air duct 314, change the quantity of rotor air intake, air outlet, change the quantity shape of centrifugal fan blade, perhaps establish the rear end at the mid portion with centrifugal fan, the air intake of pivot and the air outlet are also controlled the switching-over setting, make the recirculated cooling air be in the same direction as the pointer rotation etc. nevertheless will fall into the utility model discloses an within the protection scope.
Claims (10)
1. A super-high speed motor parallel air cooling circulation system comprises a cavity which is enclosed by an annular casing, a front end cover and a rear end cover and is used for accommodating a stator and a rotor, wherein the stator is arranged in the casing in an interference fit manner, the rotor is arranged at the center of the stator, and an air gap is arranged between the stator and the rotor; the rotor and the stator divide the cavity into a front end cavity and a rear end cavity; the rotating shaft of the rotor includes: be used for setting up magnet steel, and have the mid portion of major diameter and be located the anterior segment part and the back end part that have less shaft diameter at both ends, its characterized in that: the end part of the middle part of the rotating shaft, which is close to the front end cavity, is provided with a centrifugal fan which is used for forcefully pushing the air in the front end cavity to the rear end cavity through an air gap between the rotor and the stator; a main air duct is arranged in the rotating shaft, the length of the main air duct extends from a front end cavity to a rear end cavity, a rotating shaft air inlet communicated with the main air duct and the front end cavity is arranged at the front section of the rotating shaft, and a rotating shaft air outlet communicated with the main air duct and the rear end cavity is arranged at the rear end part of the middle part of the rotating shaft; and the outer edge of the iron core of the stator is axially provided with a stator cooling channel which is communicated with the front end cavity and the rear end cavity.
2. The ultra-high speed motor parallel air-cooled circulation system of claim 1, wherein: the air inlet of the rotating shaft is obliquely arranged, and an included angle between the air inlet of the rotating shaft and the wind direction of the main air duct of the rotating shaft is an obtuse angle.
3. The ultra-high speed motor parallel air-cooled circulation system of claim 2, wherein: the rotating shaft air outlet is obliquely arranged, and an included angle between the rotating shaft air outlet and the wind direction of the rotating shaft main air duct is an acute angle.
4. The ultra-high speed motor parallel air-cooled circulation system of claim 3, wherein: the main air duct is in a long cylindrical shape and is positioned in the center of the rotating shaft.
5. The ultra-high speed motor parallel air-cooled circulation system of claim 4, wherein: the rear end of the middle part of the rotating shaft is provided with an annular conical surface, and the outlet of the air outlet of the rotating shaft is positioned on the annular conical surface.
6. The ultra-high speed motor parallel air-cooled circulation system of claim 4, wherein: the air outlet and the air inlet of pivot constitute by the cylindrical ventilation hole of several respectively, just the total area of pivot air intake equals or slightly is greater than the total area of pivot air outlet.
7. The ultra high speed motor parallel air-cooled circulation system according to any one of claims 1 to 6, wherein: the centrifugal fan comprises a plurality of centrifugal fan blades which are uniformly distributed along the circumferential direction, and the centrifugal fan blades are directly formed or are arranged at the end part of the middle part of the rotating shaft through a ring; the included angle between the centrifugal fan blade and the circumferential tangential direction of the rotating shaft is 15-45 degrees.
8. The ultra-high speed motor parallel air-cooled circulation system of claim 7, wherein: the section shape of the centrifugal fan blade is as follows: the cross section of the blade is in an arc shape with the front wide and the rear sharp and the front and the rear surfaces.
9. The ultra high speed motor parallel air-cooled circulation system according to any one of claims 1 to 6, wherein: the stator cooling channel at the outer edge of the stator core is as follows: a plurality of flat fan-shaped grooves arranged at the outer edge of the iron core; or the following steps: a plurality of radial air deflectors are arranged on the outer edge of the iron core, and a stator cooling channel is formed between every two adjacent air deflectors; or the following steps: and a plurality of circular through holes or long circular through holes are uniformly distributed along the circumference and are formed at the position close to the outer edge of the iron core.
10. The ultra-high speed motor parallel air-cooled circulation system of claim 7, wherein: the stator cooling channel at the outer edge of the stator core is as follows: a plurality of flat fan-shaped grooves arranged at the outer edge of the iron core; or the following steps: a plurality of radial air deflectors are arranged on the outer edge of the iron core, and a stator cooling channel is formed between every two adjacent air deflectors; or the following steps: and a plurality of circular through holes or long circular through holes are uniformly distributed along the circumference and are formed at the position close to the outer edge of the iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620677.XU CN210469041U (en) | 2019-09-26 | 2019-09-26 | Parallel air cooling circulating system of ultra-high-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620677.XU CN210469041U (en) | 2019-09-26 | 2019-09-26 | Parallel air cooling circulating system of ultra-high-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210469041U true CN210469041U (en) | 2020-05-05 |
Family
ID=70436038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921620677.XU Active CN210469041U (en) | 2019-09-26 | 2019-09-26 | Parallel air cooling circulating system of ultra-high-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210469041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535290A (en) * | 2019-09-26 | 2019-12-03 | 苏州保邦电气有限公司 | The super high speed motor air-cooled circulatory system in parallel |
| CN115224837A (en) * | 2021-04-20 | 2022-10-21 | 瑞伟安知识产权控股有限公司 | Rotor assembly and method for motor end winding cooling and bearing lubrication |
-
2019
- 2019-09-26 CN CN201921620677.XU patent/CN210469041U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535290A (en) * | 2019-09-26 | 2019-12-03 | 苏州保邦电气有限公司 | The super high speed motor air-cooled circulatory system in parallel |
| CN110535290B (en) * | 2019-09-26 | 2024-07-16 | 苏州保邦电气有限公司 | Ultra-high-speed motor parallel air-cooling circulation system |
| CN115224837A (en) * | 2021-04-20 | 2022-10-21 | 瑞伟安知识产权控股有限公司 | Rotor assembly and method for motor end winding cooling and bearing lubrication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110535290B (en) | Ultra-high-speed motor parallel air-cooling circulation system | |
| CN106849509B (en) | A cooling structure for hollow rotor of ultra-high speed permanent magnet motor | |
| US20220393527A1 (en) | Axial flux motor with air cooling system | |
| CN107681830B (en) | Totally-enclosed motor, air-cooled impeller thereof and electric vehicle using motor | |
| CN112260485B (en) | Double-pumping interactive high-power density motor | |
| CN110460198A (en) | High-speed permanent magnet motor | |
| CN210469041U (en) | Parallel air cooling circulating system of ultra-high-speed motor | |
| CN108365703B (en) | Motor air-cooled impeller, double-air-channel motor and electric vehicle | |
| CN107612194A (en) | A kind of squirrel cage induction motor with inner circulating air cooling duct | |
| CN110649766B (en) | Double-suction split-flow type ultra-high-efficiency motor | |
| CN117155001A (en) | Air suspension motor and compressor | |
| CN210327192U (en) | Rotor structure of ultra-high speed motor | |
| CN108702047B (en) | Rotor and motor | |
| CN211720359U (en) | Rotor and motor with same | |
| CN221263513U (en) | Air suspension motor and compressor | |
| US10797565B2 (en) | Motor with inner fan | |
| CN116317302B (en) | Cooling structure of magnetic suspension centrifugal compressor motor | |
| CN110581615B (en) | Rotor structure of ultra-high speed motor | |
| CN111917243A (en) | A ceiling fan motor with dual cooling air path structure | |
| CN114704482B (en) | Air cycle machine | |
| CN207339512U (en) | A kind of split type and electric machine casing with coolant flow channel and there is its motor | |
| CN212695849U (en) | Motor and centrifugal air compressor with dual cooling effect | |
| CN213959840U (en) | High-speed motor heat radiation structure | |
| CN210452046U (en) | Cooling device suitable for high-speed mechanical main shaft | |
| CN113489220A (en) | Internal circulation heat radiation structure and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |