CN110518745A - Motor radiating structure - Google Patents
Motor radiating structure Download PDFInfo
- Publication number
- CN110518745A CN110518745A CN201910778285.4A CN201910778285A CN110518745A CN 110518745 A CN110518745 A CN 110518745A CN 201910778285 A CN201910778285 A CN 201910778285A CN 110518745 A CN110518745 A CN 110518745A
- Authority
- CN
- China
- Prior art keywords
- motor
- rear end
- fan blade
- shaft
- air outlet
- 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
- 230000000903 blocking effect Effects 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The object of the present invention is to provide a kind of better motor radiating structures of heat dissipation effect.To achieve the above object, the present invention adopts the following technical scheme: a kind of motor radiating structure, motor is equipped with air inlet and air outlet, shaft is equipped in the motor, the shaft rear end is fixed with fan blade, the fan blade includes several blades, several blades are in be arranged with the annular uniform intervals at shaft axis center and be set to shaft outer circumferential, the air outlet is located at the fan blade outer circumferential, the air inlet is located on front side of the air outlet, the motor includes the enclosing part positioned at the fan blade outer circumferential, the air outlet is set in the enclosing part, the enclosing part inner circumferential wall and fan blade it is circumferential it is outer it is intermarginal at a distance from gradually increased along shaft rotation direction by the other end of one end to the air outlet of air outlet.
Description
Technical field
The present invention relates to a kind of motors, and in particular to a kind of motor radiating structure.
Background technique
Motor be it is a kind of using extremely wide dynamic power machine, it converts electrical energy into mechanical energy, to drive all kinds of machines
Tool equipment operation, during motor power conversion, some energy can be lost in the form of heat in coil, this
The energy that part is converted into heat will lead to that the motor feels hot, cannot such as radiate in time, then may cause insulating motor coil damage
And short circuit or cause influence motor other failures generate and can not operate normally；In order to guarantee that electronic function runs well, electricity
It is provided with radiating ribs on casing, cooling wind blade is also equipped in the shaft tail portion of motor, so that the temperature rise in the motor course of work
Control is in a certain range.Wherein, air inlet and air outlet are respectively equipped on motor front end face and rear end face, it is wandering by axis
Hot wind leaf is to realize the movement of air to radiate.
But use environment temperature is higher, motor start and stop or positive and negative rotation more frequently and motor connect operate etc. for a long time
Under many occasions, such radiator structure is not can guarantee the temperature control of motor is allowing within temperature rise, this general so that
Motor can not be run steadily in the long term.
Summary of the invention
The object of the present invention is to provide a kind of better motor radiating structures of heat dissipation effect.
To achieve the above object, the present invention adopts the following technical scheme: a kind of motor radiating structure, motor are equipped with air inlet
Mouth and air outlet, the motor is interior to be equipped with shaft, and the shaft rear end is fixed with fan blade, and the fan blade includes several blades, if
For cured leaf piece in being arranged and being set to shaft outer circumferential with the annular uniform intervals at shaft axis center, the air outlet is located at institute
Fan blade outer circumferential is stated, the air inlet is located on front side of the air outlet, and the motor includes being located at the fan blade outer circumferential
Enclosing part, the air outlet is set in the enclosing part, the enclosing part inner circumferential wall and fan blade it is circumferential it is outer it is intermarginal away from
It is gradually increased from along shaft rotation direction by the other end of one end to the air outlet of air outlet.
It is mobile from air inlet to air outlet side to drive air by the rotation of fan blade so that be in motor free flow of air with
Take away heat；When air is moved to motor rear end, space of the air between fan blade and enclosing part is moved at air outlet.
The setting of enclosing part is applied not only to the guiding of air, enclosing part inner wall between fan blade at a distance from gradually increase (at a distance between shaft)
Greatly, so that hot-air can add up to generate wind pressure together, in order to the discharge of hot-air, to realize the discharge of more hot-airs,
To improve heat dissipation effect.
Preferably, the enclosing part inner edge is rounded, and the eccentric axis of the axis of the enclosing part and the fan blade.
The guiding to air is convenient in above-mentioned setting, is also convenient for the manufacture processing and assembly of motor.
Preferably, the fan blade includes blocking portion, the blocking portion is located at the sharf to rear side, the motor tool
There is front and back through the circular groove to step down to the blocking portion, the blocking portion outer rim is rounded, and the blocking portion is located at the circle
In slot, and there is gap between blocking portion peripheral outer wall and circular groove peripheral inner slot wall.If the not setting of circular groove, after motor
Certain distance is had between the fan blade and motor shaft inward wall at end, influences the discharge of hot-air, part hot-air can be moved to fan blade
Between motor shaft inward wall.Above-mentioned setting is so that the discharge of hot-air is more smooth, to improve hot-air discharge rate.
Preferably, the blade outer rim is located at the blocking portion week extrorse outer circumferential.Blade is used for hot empty
The guiding of gas has air to enter with the influence caused by hot-air flow direction with the gap reduced between circular groove and blocking portion, with
Guarantee the flowing velocity of hot-air.
Preferably, blade outer rim rear end is each formed with notch.It is obstructed when above-mentioned setting is to avoid fan blade rotation.
Preferably, the motor rear end is equipped with guide pad, the guide pad is formed with the air-out groove communicated with air outlet,
The direction of the air-out groove is identical as the rotation direction of shaft.Above-mentioned setting is to improve the discharge effect of hot-air.
Preferably, the blade of the fan blade includes inner segment and outer segment, the inner end of the outer segment connects with inner segment, described outer
The outer end of section extends to far from shaft rotation direction side.Above-mentioned setting is to further realize the guiding to hot-air, to improve heat
The discharge effect of air.
Preferably, the outer segment is arc-shaped, the curved opening of the outer segment is directed away from shaft rotation direction side.It is above-mentioned
Be arranged between two adjacent blades preferably apart from hot wind, to improve the discharge rate of hot wind, to improve heat dissipation effect.
Preferably, the motor rear end is equipped with rear end cap ontology and housing, it is axial that the housing is located at rear end cap ontology
Rear side, the circular groove are set on the housing, and the enclosing part is set on rear end cap ontology or on housing, the rear end cap
Ontology, which is formed with several front and backs, to be run through with the slot that runs through for gas to pass through, is formed with bearing chamber on the rear end cap ontology and is passed through
The fixed shaft of bearing.Above-mentioned setting is assembled convenient for the manufacture of motor of the present invention.
Preferably, the enclosing part week inwardly or outer circumferential be equipped with occlusion part, the occlusion part and enclose part
It is not set on rear end cap ontology and housing；The housing is fixed on rear side of rear end cap ontology by buckle structure, the buckle
Structure includes pin thread and female thread, and the pin thread is set in enclosing part, and the sheltering part is in the enclosing part outer circumferential.On
Setting is stated to assemble convenient for the manufacture of motor of the present invention.
The present invention has hot-air discharge rate bigger, so that the advantage that heat dissipation effect is more preferable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of motor of the invention；
Fig. 2 is a kind of axial sectional view of motor of the invention；
Fig. 3 is a kind of radial cross-section of the invention；
Fig. 4 is a kind of structural schematic diagram of housing of the invention；
Fig. 5 is a kind of structural schematic diagram of rear end cap ontology of the invention；
Fig. 6 is a kind of structural schematic diagram of fan blade of the invention.
Specific embodiment
Below according to the drawings and specific embodiments, the invention will be further described.
As shown in Fig. 1 to Fig. 6, a kind of motor radiating structure of the invention, motor 1 is equipped with air inlet 11 and air outlet
12, motor 1 is interior to be equipped with shaft 2, and 2 rear end of shaft is fixed with fan blade 3, and fan blade 3 includes several blades 31, and several blades 31 are in turn
The annular uniform intervals of 2 axis centre of axis are arranged and are set to 2 outer circumferential of shaft, and air outlet 12 is located at 3 outer circumferential of fan blade,
Air inlet 11 is located at 12 front side of air outlet.
1 rear end of motor is equipped with rear end cap assembly, and rear end cap assembly includes rear end cap ontology 4 and housing 5, after housing 5 is located at
The axial rear side of end cap ontology 4, rear end cap ontology 4 is fixed by the casing 10 of fastening screw and motor, the front end of 10 front side of casing
The air inlet 11 is formed in the axial face of lid ontology 13.It wherein, can also be in 13 circumferential surface of drive end bearing bracket ontology or casing 10
Air inlet is set on the circumferential surface of front end.Rear end cap ontology 4 is formed with several front and backs and runs through slot 41 through with for gas to pass through, after
Bearing chamber 42 is formed in the middle part of end cap ontology 4 and by the fixed shaft 2 of bearing 43.Rear end cap ontology 4, which extends back, to be enclosed
Conjunction portion 44, enclosing part 44 are located at 3 outer circumferential of fan blade, and between housing 5 and rear end cap ontology 4,5 edge of housing is formed fan blade
There is the occlusion part 51 extended forward, housing 5 is fixed on 4 rear side of rear end cap ontology by buckle structure, and buckle structure includes pin thread
45 and female thread 52, pin thread 45 is arranged in 44 peripheral outer wall of enclosing part, and female thread 52 is set to housing 5, housing 5 and rear end cap ontology
4 is fixed so that occlusion part 51 is located at enclosing part outer circumferential, and enclosing part 44 and occlusion part 51 are each formed with the notch extended radially through
To constitute the air outlet 12.Rear end cap assembly is equipped with guide pad 53, and guide pad 53 is formed with the outlet air communicated with air outlet
The direction of slot, air-out groove is identical as the rotation direction of shaft；Guide pad 53 divides for front and back two parts to be separately positioned on rear end cap
On ontology 4 and housing 5.
Outer rim is rounded in enclosing part 44, and the eccentric axis of the axis of enclosing part 44 and fan blade 3, and enclosing part 44 is circumferential
Inner wall and fan blade 3 it is circumferential it is outer it is intermarginal at a distance from along shaft rotation direction by air outlet 12 one end to air outlet 12 the other end by
It is cumulative to add.In Fig. 3, shaft is along the rotation of the clock-wise fashion side of diagram.
Fan blade 3 further includes blocking portion 32, and blocking portion 32 is located at the axial rear side of blade 31, and the housing 5 of motor is passed through with front and back
The circular groove 54 to step down to blocking portion 32 is worn, 32 outer rim of blocking portion is rounded, and blocking portion 32 is located in circular groove 54, and blocking portion 32
There is gap between 54 peripheral inner slot wall of peripheral outer wall and circular groove.Wherein, fixed part 33 in a ring is equipped in the middle part of blocking portion 32, Gu
33 close-fitting of portion is determined in shaft rear end, and the blade 31 of fan blade is both secured to 32 front side of blocking portion.
Wherein, 31 outer rim of blade is located at 32 weeks extrorse outer circumferentials of blocking portion, and 31 outer rim rear end of blade is each formed with
Notch 34 has gap between 31 outer rim rear end face of blade and 5 front end face of housing.The blade 31 of fan blade 3 includes inner segment 311 and outer segment
312, the inner end of outer segment 312 connects with inner segment 311, and the outer end of outer segment 312 extends to far from shaft rotation direction side, outer segment 312
Arc-shaped, the curved opening of outer segment 312 is directed away from shaft rotation direction side.
The present invention has hot-air discharge rate bigger, so that the advantage that heat dissipation effect is more preferable.
Claims (10)
1. a kind of motor radiating structure, it is characterised in that motor is equipped with air inlet and air outlet, is equipped with shaft in the motor,
The shaft rear end is fixed with fan blade, and the fan blade includes several blades, and several blades are in equal with the annular at shaft axis center
Even interval is arranged and is set to shaft outer circumferential, and the air outlet is located at the fan blade outer circumferential, and the air inlet is located at
On front side of the air outlet, the motor includes the enclosing part positioned at the fan blade outer circumferential, and the air outlet is set to described
In enclosing part, the enclosing part inner circumferential wall and fan blade it is circumferential it is outer it is intermarginal at a distance from along shaft rotation direction by one end of air outlet
The other end to air outlet gradually increases.
2. motor radiating structure according to claim 1, it is characterised in that the enclosing part inner edge is rounded, and described encloses
The eccentric axis of the axis in conjunction portion and the fan blade.
3. motor radiating structure according to claim 1, it is characterised in that the fan blade includes blocking portion, the blocking portion
Positioned at the sharf to rear side, the motor has front and back through the circular groove to step down to the blocking portion, the blocking portion
Outer rim is rounded, and the blocking portion is located in the circular groove, and between having between blocking portion peripheral outer wall and circular groove peripheral inner slot wall
Gap.
4. motor radiating structure according to claim 3, it is characterised in that the blade outer rim is located at the blocking portion week
Extrorse outer circumferential.
5. motor radiating structure according to claim 4, it is characterised in that blade outer rim rear end is each formed with notch.
6. motor radiating structure according to claim 1, it is characterised in that the motor rear end is equipped with guide pad, described to lead
The air-out groove communicated with air outlet is formed with to block, the direction of the air-out groove is identical as the rotation direction of shaft.
7. motor radiating structure according to claim 1 or 2, it is characterised in that the blade of the fan blade includes inner segment and outer
Section, the inner end of the outer segment connect with inner segment, and the outer end of the outer segment extends to far from shaft rotation direction side.
8. motor radiating structure according to claim 7, it is characterised in that the outer segment is arc-shaped, the arc of the outer segment
Opening is directed away from shaft rotation direction side.
9. motor radiating structure according to claim 3, it is characterised in that the motor rear end be equipped with rear end cap ontology and
Housing, the housing are located at rear end cap body shaft to rear side, and the circular groove is set on the housing, and the enclosing part is set to
On rear end cap ontology or on housing, the rear end cap ontology, which is formed with several front and backs, to be run through with for gas to pass through through slot, institute
It states and is formed with bearing chamber on rear end cap ontology and by the fixed shaft of bearing.
10. motor radiating structure according to claim 9, it is characterised in that the enclosing part week is inwardly or outer circumferential
Equipped with occlusion part, the occlusion part and enclosing part are respectively arranged on rear end cap ontology and housing；The housing passes through buckle knot
Structure is fixed on rear side of rear end cap ontology, and the buckle structure includes pin thread and female thread, and the pin thread is set in enclosing part, described
Sheltering part is in the enclosing part outer circumferential.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778285.4A CN110518745A (en) | 2019-08-22 | 2019-08-22 | Motor radiating structure |
| NZ759207A NZ759229B2 (en) | 2019-08-22 | 2019-11-14 | Heat dissipation structure for motor |
| KR1020190156958A KR102186621B1 (en) | 2019-08-22 | 2019-11-29 | Motor heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778285.4A CN110518745A (en) | 2019-08-22 | 2019-08-22 | Motor radiating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110518745A true CN110518745A (en) | 2019-11-29 |
Family
ID=68627292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910778285.4A Pending CN110518745A (en) | 2019-08-22 | 2019-08-22 | Motor radiating structure |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102186621B1 (en) |
| CN (1) | CN110518745A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477863B (en) * | 2023-11-08 | 2024-05-14 | 安徽致钲电驱动技术有限公司 | Efficient motor heat radiation structure |
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|---|---|---|---|---|
| KR200298327Y1 (en) * | 2002-09-05 | 2002-12-16 | 주식회사 아모텍 | Aspiration Motor Having Reducing of Noise And Increase in Flow of Air |
| CN2750559Y (en) * | 2003-11-17 | 2006-01-04 | 美国艾默生电气公司 | Low-noise ventilating system for motor |
| CN101114784A (en) * | 2007-08-17 | 2008-01-30 | 上海锐奇工具有限公司 | Heat radiator |
| CN101534032A (en) * | 2007-12-14 | 2009-09-16 | 喷射马达有限公司 | Method and structure for cooling an electric motor |
| TW201018376A (en) * | 2008-10-31 | 2010-05-01 | Foxconn Tech Co Ltd | Centrifugal fan |
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| KR960011945B1 (en) * | 1993-11-11 | 1996-09-06 | 정선혁 | Brake energy recovery device |
| JP2011223804A (en) * | 2010-04-13 | 2011-11-04 | Sinfonia Technology Co Ltd | Rotary device |
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2019
- 2019-08-22 CN CN201910778285.4A patent/CN110518745A/en active Pending
- 2019-11-29 KR KR1020190156958A patent/KR102186621B1/en active IP Right Grant
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| KR200298327Y1 (en) * | 2002-09-05 | 2002-12-16 | 주식회사 아모텍 | Aspiration Motor Having Reducing of Noise And Increase in Flow of Air |
| CN2750559Y (en) * | 2003-11-17 | 2006-01-04 | 美国艾默生电气公司 | Low-noise ventilating system for motor |
| CN101114784A (en) * | 2007-08-17 | 2008-01-30 | 上海锐奇工具有限公司 | Heat radiator |
| CN101534032A (en) * | 2007-12-14 | 2009-09-16 | 喷射马达有限公司 | Method and structure for cooling an electric motor |
| TW201018376A (en) * | 2008-10-31 | 2010-05-01 | Foxconn Tech Co Ltd | Centrifugal fan |
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| CN109450151A (en) * | 2018-11-30 | 2019-03-08 | 葛氏控股有限公司 | The permanent-magnet servo motor of built-in heat dissipation wind channel |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102186621B1 (en) | 2020-12-07 |
| NZ759207A (en) | 2021-05-28 |
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