CN117040194A - Hollowed-out flange heat radiation structure for motor - Google Patents
Hollowed-out flange heat radiation structure for motor Download PDFInfo
- Publication number
- CN117040194A CN117040194A CN202311043435.XA CN202311043435A CN117040194A CN 117040194 A CN117040194 A CN 117040194A CN 202311043435 A CN202311043435 A CN 202311043435A CN 117040194 A CN117040194 A CN 117040194A
- Authority
- CN
- China
- Prior art keywords
- motor
- negative pressure
- air
- air outlet
- ring piece
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title claims description 3
- 238000001816 cooling Methods 0.000 claims abstract description 60
- 239000011148 porous material Substances 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a hollowed-out flange radiating structure for a motor, which comprises a flange body, wherein the flange body comprises an inner cylinder part, the inner part of the inner cylinder part is a bearing chamber, an inner ring piece and an outer ring piece are arranged at the periphery interval of the inner cylinder part, and an annular cooling air groove is clamped between the inner ring piece and the outer ring piece; the flange body is arranged at one end of the motor, and the motor shaft correspondingly stretches into the bearing chamber; the inner ring piece is close to the motor, the outer ring piece is far away from the motor, and the air outlet holes are correspondingly formed in the outer ring piece, so that air flow blown from the direction of the motor can be blown out of the motor through the cooling air groove and the air outlet holes; the inner cylinder part is internally provided with a negative pressure pore canal, the air inlet end of the negative pressure pore canal is positioned on the end surface of one side of the inner cylinder part far away from the motor, and the air outlet end of the negative pressure pore canal is positioned at the orifice edge of the air outlet; the air flow flowing out of the air outlet hole forms negative pressure at the air outlet end of the negative pressure pore canal, so that the air inlet end of the negative pressure pore canal can suck air from the outside of the motor. The flange heat dissipation device is used for improving the heat dissipation effect of the flange and reducing the working temperature of the bearing.
Description
Technical Field
The invention relates to the technical field of motor flanges, in particular to a hollowed-out flange heat dissipation structure for a motor.
Background
The bearing is an important part inside the compressor motor, which is related to whether the compressor can operate normally or not. The operating temperature of the bearing during operation of the motor plays a decisive role in the life of the bearing. The compressor has bad working condition, high rotating speed and frequent overload, and the ventilation and heat dissipation inside the case are poor, so that the temperature of the motor bearing is easy to be overhigh. The bearing can be burnt out without grease when the bearing is operated for a long time, and even a motor is burnt out. The flange structure of the common motor has small heat dissipation area at the contact part with the bearing, and the wind blown by the fan at the tail end of the motor is arranged on the surface of the flange and far away from the bearing chamber, so that the cooling effect of the bearing is poor.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides a hollowed-out flange radiating structure for a motor, which is used for improving the radiating effect of a flange and reducing the working temperature of a bearing.
The technical scheme is as follows: in order to achieve the above purpose, the hollowed-out flange radiating structure for the motor comprises a flange body, wherein the inner ring side of the flange body is a bearing chamber, the outer ring side of the flange body is provided with a cooling air groove, and the cooling air groove penetrates into the bearing chamber along the radial direction of the flange body; an air outlet is also formed in the cooling air groove, and air flow blown into the cooling air groove can carry heat of the bearing chamber and blow out of the air outlet.
Further, the flange body comprises an inner cylinder part, the bearing chamber is arranged in the inner cylinder part, an inner ring piece and an outer ring piece are arranged at the periphery interval of the inner cylinder part, and an annular cooling air groove is clamped between the inner ring piece and the outer ring piece.
Further, the flange body is arranged at one end of the motor, and the motor shaft correspondingly stretches into the bearing chamber; the inner ring piece is close to the motor, the outer ring piece is far away from the motor, and the air outlet holes are correspondingly formed in the outer ring piece, so that air flow blown from the motor direction can be blown out of the motor through the cooling air groove and the air outlet holes.
Further, a negative pressure pore canal is arranged in the inner cylinder part, the air inlet end of the negative pressure pore canal is positioned on the end face of one side of the inner cylinder part far away from the motor, and the air outlet end of the negative pressure pore canal is positioned at the orifice edge of the air outlet hole; the air flow flowing out of the air outlet hole forms negative pressure at the air outlet end of the negative pressure pore canal, so that the air inlet end of the negative pressure pore canal can suck air from the outside of the motor.
Further, the negative pressure duct is formed with a cooling section in the inner cylindrical portion, the cooling section being close to the bearing chamber.
Further, the outer diameter of the inner ring piece is smaller than that of the outer ring piece, so that the notch direction of the cooling air groove faces the motor.
Further, an air return check ring is arranged at the outer ring of the outer ring piece, the air return check ring extends to be opposite to the bottom of the cooling air groove towards the direction close to the motor, and air flow blown into the notch of the cooling air groove flows to the bottom of the cooling air groove under the blocking effect of the air return check ring.
Further, the air outlet hole is separated from the bottom of the cooling air groove at intervals, and air flow is turned to the air outlet hole after being blown to the bottom of the cooling air groove, so that the bottom of the cooling air groove forms a vortex area.
Further, a plurality of air outlet holes are circumferentially arranged on the outer ring piece, and the air outlet holes extend along the axial direction of the flange body.
Further, a plurality of negative pressure pore canals are arranged on the inner cylinder part in a circumferential direction, and the negative pressure pore canals correspond to the air outlet holes one by one.
The beneficial effects are that: the hollow flange heat dissipation structure for the motor has the beneficial effects that:
1) The flange body is provided with a cooling air groove, and the cooling air groove penetrates into the bearing chamber along the radial direction of the flange body, so that the air flow flowing through the cooling air groove can take away the heat in the bearing chamber, and the working temperature of the bearing is reduced;
2) The flange body is provided with a negative pressure pore canal, one end of the negative pressure pore canal is positioned at an air outlet of the cooling air groove, and the other end of the negative pressure pore canal extends out of the motor; when the air flow is blown out from the air outlet hole, negative pressure can be formed in the negative pressure pore canal, and when the negative pressure pore canal can suck air outside the motor, the air can cool the bearing chamber in the flowing process of the negative pressure pore canal, so that the heat dissipation effect of the flange is further improved.
Drawings
FIG. 1 is a side cross-sectional view of a flange body of the present invention;
fig. 2 is a front view of the flange body of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The hollow flange heat dissipation structure for a motor as described in fig. 1 to 2 comprises a flange body 1, wherein the flange body 1 is annular as a whole, the inner ring side of the flange body 1 is a bearing chamber 2, a bearing is arranged in the bearing chamber 2, a cooling air groove 3 is formed in the outer ring side of the flange body 1, and the cooling air groove 3 extends into the bearing chamber 2 along the radial direction of the flange body 1. An air outlet 4 is further formed in the cooling air groove 3, and air flow blown into the cooling air groove 3 can carry heat of the bearing chamber 2 to be blown out of the air outlet 4, so that heat of the bearing chamber 2 is dissipated, and the temperature of the bearing during operation is reduced.
The flange body 1 includes inner tube portion 5, and inner tube portion 5 is located the center department of flange body 1, and the inside of inner tube portion 5 is for bearing chamber 2, and the periphery interval of inner tube portion 5 is provided with interior ring piece 6 and outer ring piece 7, presss from both sides between interior ring piece 6 and the outer ring piece 7 and becomes annular cooling air duct 3, and annular cooling air duct 3's ventilation space is bigger, and the radiating effect of flange is better.
The flange body 1 is applied to a motor, the flange body 1 is arranged at one end of the motor, a motor shaft 8 of the motor correspondingly stretches into the bearing chamber 2, and a bearing matched with the motor shaft 8 is arranged in the bearing chamber 2. The inner ring piece 6 on the flange body 1 is close to the motor, and the outer ring piece 7 on the flange body 1 is far away from the motor; the air outlet hole 4 is correspondingly formed in the outer ring piece 7, a fan is arranged at the tail end of the motor, the fan blows air towards the flange body 1 at the front end of the motor, and air flow blown from the motor direction can be blown out of the motor through the cooling air groove 3 and the air outlet hole 4, so that heat dissipation is carried out on the flange body 1 and the bearing chamber 2.
The inside of the inner cylinder part 5 is provided with a negative pressure pore canal 9, the air inlet end of the negative pressure pore canal 9 is positioned on the end surface of one side of the inner cylinder part 5 away from the motor, namely, the air inlet end of the negative pressure pore canal 9 is positioned outside the motor. The air outlet end of the negative pressure duct 9 is positioned at the edge of the orifice of the air outlet 4. When high-speed air flows out of the air outlet 4, the air flowing out of the air outlet 4 forms negative pressure at the air outlet end of the negative pressure pore canal 9, so that the air inlet end of the negative pressure pore canal 9 can suck air from the outside of the motor, the air in the negative pressure pore canal 9 flows, heat of the flange body 1 can be taken away, and the heat dissipation effect of the flange body 1 is improved.
The negative pressure duct 9 is formed with a cooling section 10 in the inner cylinder 5, and the cooling section 10 is close to the bearing chamber 2, so that the negative pressure duct 9 has a good cooling effect on the bearing chamber 2. In addition, the air flow blown from the direction of the motor radiates heat to the motor body before entering the cooling air groove 3, so the temperature of the air flow blown from the direction of the motor is higher, and the heat radiation effect to the flange body 1 and the bearing chamber 2 is more general; the negative pressure pore canal 9 sucks gas from the motor under the action of negative pressure, so that the temperature of the gas flowing through the negative pressure pore canal 9 is lower, the heat dissipation effect of the bearing chamber 2 is better, and the working temperature of the bearing can be further reduced.
The outer diameter of the inner ring sheet 6 is smaller than that of the outer ring sheet 7, so that the notch direction of the cooling air groove 3 faces the motor, and air flow blown from the motor direction can better enter the cooling air groove 3.
The outer ring department of outer loop piece 7 is provided with return air retaining ring 11, and return air retaining ring 11 extends to be opposite with the tank bottom of cooling air groove 3 towards the direction that is close to the motor, and the air current of blowing in cooling air groove 3 notch flows towards the tank bottom of cooling air groove 3 under the barrier effect of return air retaining ring 11. Due to the arrangement of the return air check ring 11, air flow blown onto the outer ring piece 7 from the notch of the cooling air groove 3 along the axial direction can be blocked by the return air check ring 11, and the blocked air flow can flow into the cooling air groove 3 again, so that air path circulation is increased, and the heat dissipation effect is improved.
The air outlet holes 4 are spaced from the bottom of the cooling air groove 3, and the air flow is blown to the bottom of the cooling air groove 3 and then is turned to the air outlet holes 4, so that the bottom of the cooling air groove 3 forms a vortex area, the vortex area is closer to the bearing chamber 2, and the air flow has a longer stroke in the vortex area, so that the heat in the bearing chamber 2 can be carried away by the air flow more due to the existence of the vortex area.
The outer ring piece 7 is provided with a plurality of air outlet holes 4 in a circumferential arrangement, the air outlet holes 4 extend along the axial direction of the flange body 1, and a plurality of air outlet holes 4 are arranged at equal angles.
The inner cylinder part 5 is provided with a plurality of negative pressure pore canals 9 in a circumferential direction, the plurality of negative pressure pore canals 9 are arranged at equal angles, and the plurality of negative pressure pore canals 9 are in one-to-one correspondence with the plurality of air outlet holes 4. The end face of the inner cylinder part 5 is provided with a plurality of first type mounting holes 12, and the first type mounting holes 12 are staggered with the negative pressure pore canal 9. In addition, the outer ring piece 7 is further provided with a plurality of second type mounting holes 13, and the inner ring piece 6 is further provided with a plurality of third type mounting holes 14.
In summary, the flange body 1 is provided with the cooling air groove 3, so that the heat of the bearing chamber 2 can be taken away when the air flow passes through the cooling air groove 3, and the temperature of the bearing during working is reduced; the flange body 1 is also provided with a negative pressure pore canal 9, and the negative pressure pore canal 9 sucks the gas with lower temperature outside the motor under the action of negative pressure, so that the bearing chamber 2 can be further cooled.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. A hollow flange heat radiation structure for a motor is characterized in that: the flange comprises a flange body (1), wherein a bearing chamber (2) is arranged on the inner ring side of the flange body (1), a cooling air groove (3) is formed on the outer ring side of the flange body (1), and the cooling air groove (3) penetrates into the bearing chamber (2) along the radial direction of the flange body (1); an air outlet hole (4) is also formed in the cooling air groove (3), and the air flow blown into the cooling air groove (3) can carry heat of the bearing chamber (2) and blow out from the air outlet hole (4).
2. The hollowed-out flange heat dissipation structure for a motor according to claim 1, wherein: the flange body (1) comprises an inner cylinder part (5), the bearing chamber (2) is arranged in the inner cylinder part (5), an inner ring piece (6) and an outer ring piece (7) are arranged at the peripheral interval of the inner cylinder part (5), and an annular cooling air groove (3) is formed by clamping the inner ring piece (6) and the outer ring piece (7).
3. The hollowed-out flange heat dissipation structure for a motor according to claim 2, wherein: the flange body (1) is arranged at one end of the motor, and the motor shaft (8) correspondingly stretches into the bearing chamber (2); the inner ring piece (6) is close to the motor, the outer ring piece (7) is far away from the motor, and the air outlet holes (4) are correspondingly formed in the outer ring piece (7), so that air flow blown from the direction of the motor can be blown out of the motor through the cooling air groove (3) and the air outlet holes (4).
4. A hollowed-out flange heat dissipation structure for a motor according to claim 3, wherein: a negative pressure pore canal (9) is arranged in the inner barrel part (5), the air inlet end of the negative pressure pore canal (9) is positioned on the end surface of one side of the inner barrel part (5) far away from the motor, and the air outlet end of the negative pressure pore canal (9) is positioned at the edge of the orifice of the air outlet hole (4); the air flow flowing out of the air outlet hole (4) forms negative pressure at the air outlet end of the negative pressure pore canal (9), so that the air inlet end of the negative pressure pore canal (9) can suck air from the outside of the motor.
5. The hollowed-out flange heat dissipation structure for a motor according to claim 4, wherein: the negative pressure duct (9) forms a cooling section (10) in the inner barrel (5), the cooling section (10) being located close to the bearing chamber (2).
6. The hollowed-out flange heat dissipation structure for a motor according to claim 4, wherein: the outer diameter of the inner ring piece (6) is smaller than that of the outer ring piece (7), so that the notch direction of the cooling air groove (3) faces the motor.
7. The hollowed-out flange heat dissipation structure for a motor of claim 6, wherein: the outer ring of the outer ring piece (7) is provided with a return air check ring (11), the return air check ring (11) extends to be opposite to the bottom of the cooling air groove (3) towards the direction close to the motor, and air flow blown into the notch of the cooling air groove (3) flows to the bottom of the cooling air groove (3) under the blocking effect of the return air check ring (11).
8. The hollowed-out flange heat dissipation structure for a motor of claim 7, wherein: the air outlet holes (4) are separated from the bottom of the cooling air groove (3), and air flow is blown to the bottom of the cooling air groove (3) and then turned to the air outlet holes (4), so that the bottom of the cooling air groove (3) forms a vortex area.
9. The hollowed-out flange heat dissipation structure for a motor of claim 8, wherein: a plurality of air outlet holes (4) are circumferentially arranged on the outer ring piece (7), and the air outlet holes (4) extend along the axial direction of the flange body (1).
10. The hollowed-out flange heat dissipation structure for a motor according to claim 9, wherein: a plurality of negative pressure pore canals (9) are circumferentially arranged on the inner cylinder part (5), and the negative pressure pore canals (9) are in one-to-one correspondence with the air outlet holes (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311043435.XA CN117040194A (en) | 2023-08-18 | 2023-08-18 | Hollowed-out flange heat radiation structure for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311043435.XA CN117040194A (en) | 2023-08-18 | 2023-08-18 | Hollowed-out flange heat radiation structure for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117040194A true CN117040194A (en) | 2023-11-10 |
Family
ID=88602060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311043435.XA Pending CN117040194A (en) | 2023-08-18 | 2023-08-18 | Hollowed-out flange heat radiation structure for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117040194A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386711A (en) * | 2011-12-17 | 2012-03-21 | 苏州朗高电机有限公司 | Flange end cover of motor |
| CN202696340U (en) * | 2012-07-03 | 2013-01-23 | 上海电机***节能工程技术研究中心有限公司 | Electric motor flange end cover structure capable of reducing temperature rise and being used for compressor |
| CN205882936U (en) * | 2016-06-25 | 2017-01-11 | 河北电机股份有限公司 | Collection wind diversion - type motor end cover |
-
2023
- 2023-08-18 CN CN202311043435.XA patent/CN117040194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386711A (en) * | 2011-12-17 | 2012-03-21 | 苏州朗高电机有限公司 | Flange end cover of motor |
| CN202696340U (en) * | 2012-07-03 | 2013-01-23 | 上海电机***节能工程技术研究中心有限公司 | Electric motor flange end cover structure capable of reducing temperature rise and being used for compressor |
| CN205882936U (en) * | 2016-06-25 | 2017-01-11 | 河北电机股份有限公司 | Collection wind diversion - type motor end cover |
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