CN208767876U - It is a kind of it is high heat dissipation without shell winding outer-rotor structure - Google Patents
It is a kind of it is high heat dissipation without shell winding outer-rotor structure Download PDFInfo
- Publication number
- CN208767876U CN208767876U CN201821298885.8U CN201821298885U CN208767876U CN 208767876 U CN208767876 U CN 208767876U CN 201821298885 U CN201821298885 U CN 201821298885U CN 208767876 U CN208767876 U CN 208767876U
- Authority
- CN
- China
- Prior art keywords
- shell
- iron core
- winding
- ring flange
- rotor structure
- 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
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
It is a kind of it is high heat dissipation without shell winding outer-rotor structure, the outer-rotor structure include winding, without shell iron core, end clamp plate, ring flange and axis flow path to centrifugal fan, wherein, winding is wound in no shell iron core, ring flange is set to the both ends of no shell iron core, axis flow path is disposed therein on the outside of a ring flange to centrifugal fan, and ring flange, end clamp plate all have ventilation opening to centrifugal fan without shell iron core and axis flow path, and each ventilation opening is aligned to form airflow channel.This patent reasonably increases winding iron core heat dissipation area, and air when by rotation flows distributes heat in time, the temperature rise of effective control winding iron core entirety, while reducing material and processing cost.Meanwhile the iron core of this patent, without being packed into iron core shell by hot jacket or cold pressing, winding winding placement is simple and convenient, and overall structure is easy for installation.In addition, this patent has the polymeric coating layer of corrosion-and high-temp-resistant in the external spray that iron core is contacted with air, the oxidation corrosion of core stamping is effectively prevented.
Description
Technical field
This patent is related to permanent magnetism winding coupled device field, and in particular, to it is a kind of it is high heat dissipation without shell winding outer rotor knot
Structure.
Background technique
The winding iron core of existing permanent magnetism winding coupled device is divided into two kinds of structures of rotor windings iron core and stator ferrite core,
Iron core is generally that silicon steel plate stacking forms.Silicon steel itself is a kind of stronger magnetisable material of magnetic conduction ability, in hot-wire coil,
Biggish magnetic induction intensity is generated, while core body can generate amount of heat, these heats need quickly and effectively to be discharged.It is no
Then, it will lead to excessively high using the device temperature of winding iron core.For stator ferrite core, there are many type of cooling, such as using cooling
Liquid cooling but, it is air-cooled etc. be ok, for example the heat of winding iron core of electric machinery is that have the shell of radiating ribs to distribute by outside
Heat.
And for rotor windings iron core, because ceaselessly high speed rotation, the type of cooling are restricted in use for it, substantially all
It is air-cooled.Large-scale winding iron core currently on the market is for a long time in use, to reduce the temperature of winding iron core, it usually needs volume
The outer cooling system for increasing auxiliary, leading to equipment, structure is complicated, higher cost.Therefore, how that the heat of iron core is most quick,
Maximumlly distribute the technical problem of always this field.
Chinese invention patent application (CN107836072A) discloses a kind of rotating electric machine with the turbine for increasing negative pressure,
It includes rotor and stator, and motor is cooling by the air stream generated by least one fan, fan by motor main shaft
Driving is driven by the drive system of fan itself, and fan includes primary blades for generating cooling air stream and in these masters
The fin of the upstream of blade, fin in axial direction at least partly cover the winding head of the stator, the packet of fin and fan
The air intake for including the major part of primary blades is adjacent, and fin generates the sky of the winding orientation of the stator in radial direction towards
Air-flow.Its working principle is that cool down stator using the rotation of rotor, cooling fins are generated along radial direction towards stator
The air stream of winding orientation, i.e. cooling air-flow flow direction are from radial ecto-entad, and specific structure setting is also relatively complicated.
Utility model content
The purpose of this patent be for overcome in the prior art rotor windings iron core be difficult to because of high speed rotation it is rapid, efficiently dissipate
Heat problem, provide it is a kind of it is high heat dissipation without shell winding outer-rotor structure.
This patent discloses scheme 1, it is a kind of it is high heat dissipation without shell winding outer-rotor structure, outer-rotor structure include winding,
Without shell iron core, ring flange and axis flow path to centrifugal fan；
Wherein, no shell iron core has multiple big punchings and multiple small punchings to laminate according to specific interval circulation, if circumference is used
Dry high intensity pull rod, nut check form rectangular teeth cylinder without shell rigid body iron core；
Wherein, winding is wound in the tooth pole of no shell iron core, and ring flange is set to the both ends of no shell iron core, axis flow path to
Centrifugal fan is disposed therein on the outside of a ring flange；
Wherein ring flange, without shell iron core and axis flow path all have ventilation opening to centrifugal fan, each ventilation opening is aligned to be formed
Airflow channel；
Wherein outer rotor is rotated around both ends ring flange center line, and band moving axis flow path rotates to form centrifugation gas to centrifugal fan
Stream, air-flow pass through core ventilation road.
Without shell winding outer-rotor structure, no shell iron core has multiple big punchings for scheme 2, high heat dissipation as described in scheme 1
And multiple small punchings, large and small punching are laminated according to specific interval circulation, and it is cylindrical with rectangular teeth to form outer circle；If circumference is used
Dry high intensity pull rod, nut check form the rigid iron core without shell for having rectangular teeth outer circle.
Scheme 3, the high heat dissipation as described in scheme 2 are without shell winding outer-rotor structure, and no shell iron core is rigid and iron
Core outer circumference surface is directly directly contacted with outside air without shell, the outer circumference surface of iron core.
Scheme 4, high heat dissipation as described in scheme 1 without shell winding outer-rotor structure, big punching, small punching, ring flange and
Axis flow path is evenly equipped with ventilation opening to the circumferential direction of centrifugal fan, and each ventilation opening size is identical, and in radially installed, each ventilation opening is mutual
Alignment forms perforation airflow channel.
Scheme 5, the high heat dissipation as described in scheme 2 all have drawing without shell winding outer-rotor structure, big punching and small punching
Rod aperture, a pull rod runs through each tie rod hole, and is locked by fastener；Both ends blind flange passes through pull rod, with fastener by ring flange
It is locked with large and small punching.
The both ends and respective end of scheme 6, high heat dissipation as described in scheme 5 without shell winding outer-rotor structure, in iron core
End clamp plate is additionally provided between ring flange, end clamp plate is circumferentially evenly distributed with ventilation opening and constitutes a part of airflow channel.
Without shell winding outer-rotor structure, end clamp plate is circumferential also to have tie rod hole for scheme 7, the high heat dissipation as described in scheme 6,
Pull rod also runs through the tie rod hole of end clamp plate, and pull rod passes through the tie rod hole on big punching, small punching and both ends end clamp plate, uses fastener
By draw lever locking；Both ends blind flange passes through pull rod, is locked ring flange, the big punching of end clamp plate and small punching with fastener.
Without shell winding outer-rotor structure, each tie rod hole and pull rod outer circle are tight for scheme 8, high heat dissipation as described in scheme 7
Cooperation.
Without shell winding outer-rotor structure, rod material is height for described in any item high heat dissipations of scheme 9, such as scheme 5-8
Intensity cold-drawn steel, pull rod both ends are machined with both ends screw thread respectively, pass through nut check.
Described in any item high heat dissipations of scheme 10, such as scheme 5-8 without shell winding outer-rotor structure, both ends ring flange with
Counterbore is offered on the faying face that end clamp plate combines.
Scheme 11, high heat dissipation as described in scheme 1 are without shell winding outer-rotor structure, and axis flow path is to centrifugal fan and flange
Ventilation opening is offered on disk faying face；And penetrated through with punching, ring flange ventilation opening radially aligned, entire ventilating duct.
Described in any item high heat dissipations of scheme 12, such as scheme 4-6 or 11 are without shell winding outer-rotor structure, each ventilation opening
Be arranged other than punching iron core yoke part, with inside outer rotor winding and internal rotor be entirely isolated.
Without shell winding outer-rotor structure, iron core is coated with air contact for scheme 13, high heat dissipation as described in scheme 1
Corrosion-and high-temp-resistant and the polymeric coating layer that has sealing function.
Through the above technical solutions, this patent has the following technical effect that:
1, the technical solution of this patent reasonably increases winding iron core heat dissipation area, and winding iron core outer circle does not need band heat dissipation
The shell of muscle contacts winding iron core yoke portion directly with air and distributes heat, no longer needs to distribute iron core heat by shell, relies on
Air flowing when rotation distributes heat in time, the temperature rise of effective control winding iron core entirety, while reducing material
And processing cost.
2, the technical solution of this patent adds driving motor or motor-driven fan without external again, revolves by outer rotor itself
Turn characteristic, increase radial centrifugal fan, by air from one end face ventilation opening of ring flange through core ventilation mouth again to another ring flange
End face flowing, by iron core heat and air exchange, the heat for having greatly reinforced iron core is distributed.
3, the air duct of this patent is passed in and out from both ends flange side surface ventilation opening, passes through core interior ventilation opening for heat band
It walks, the winding and internal rotor degree of protection for internal rotor have no influence；The part of ventilating duct and external contact is iron core
Yoke portion, it is ensured that the high-protection level of IP54.
4, for the iron core of this patent without being packed into iron core shell by hot jacket or cold pressing, winding winding placement is simple and convenient, whole
Body structure is easy for installation.
5, this patent has the polymeric coating layer of corrosion-and high-temp-resistant in the external spray that iron core is contacted with air, effectively prevents
The only oxidation corrosion of core stamping.
Other feature and advantage of this patent will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to this patent, and constitute part of specification, with following tool
Body embodiment is used to explain this patent together, but does not constitute the limitation to this patent.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the integrated external-rotor structure of preferred embodiment of this patent；
Fig. 2 is a kind of big lamination structure schematic diagram of preferred embodiment of this patent；
Fig. 3 is a kind of small lamination structure schematic diagram of preferred embodiment of this patent；
Fig. 4 is a kind of flange plate structure schematic diagram of preferred embodiment of this patent；
Fig. 5 is a kind of axis flow path of preferred embodiment of this patent to centrifugal fan schematic diagram.
Description of symbols
1 axis flow path is to centrifugal fan
2 nuts
3 pull rods
4 end clamp plates
5 big punchings
6 small punchings
7 windings
8 polymeric coating layers
9 ring flanges
11 iron cores without shell
51 big punching tie rod holes
52 big punching ventilation openings
53 big punching teeth portion
61 small punching tie rod holes
62 small punching ventilation openings
63 small punching teeth portion
Specific embodiment
Specific implementation of the patent mode is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining this patent, is not limited to this patent.
In this patent, in the absence of explanation to the contrary, the noun of locality used such as " left and right " is typically referred to such as Fig. 1
Shown in left and right side in axial direction.
Embodiment one
As shown in Figure 1, radiating for the high of this patent without shell winding outer-rotor structure overall structure diagram comprising axis
Flow path is to centrifugal fan 1, nut 2, pull rod 3, end clamp plate 4, big punching 5, small punching 6, winding 7, polymeric coating layer 8 and ring flange
9。
Wherein, as shown in Fig. 2, big 5 material of punching is silicon steel sheet, big punching tie rod hole 51 is provided on surface and big punching is logical
Air port 52；As shown in figure 3, small punching 6 offers small punching tie rod hole 61 and the small punching ventilation of same size in circumferential position
Mouth 62.
Wherein, the size punching both ends stacked are arranged in end clamp plate 4, end clamp plate 4 as small 6 outer dimension of punching,
Material is high-strength material.
As shown in figure 4, offering the ventilation opening and tie rod hole with large and small punching same size on 9 face of ring flange.Ring flange
9 avoid the counterbore of locking nut 2 with offering on 11 faying face of iron core without shell.
As shown in figure 5, axis flow path offered on centrifugal fan 1 and 9 faying face of ring flange it is logical with punching same size
Air port and tie rod hole.
Specifically, big punching 5, small punching 6 successively stack in order according to the optimal tooth pitch A of setting, facewidth B, and pull rod 3 passes through
Tie rod hole in punching runs through size punching.The wherein small punching tie rod hole of the big punching tie rod hole 51 of big punching 5 and small punching 6
61 alignment, the big punching ventilation opening 52 of big punching 5 are aligned with the small punching ventilation hole 62 of small punching 6, the big punching tooth of big punching 5
Portion 53 is aligned with the small punching teeth portion 63 of small punching 6.Pull rod 3 runs through the tie rod hole of end clamp plate 4, the fastener positioned at both ends simultaneously
If nut 2 locks end clamp plate and size punching, the iron core 11 without shell an of rigidity is formed.
Molding 11 teeth portion of iron core winding is laminated in combination and places winding 7, completes mounting flange after the winding placement of winding
Disk 9, mounting means can be nut fastening.Ring flange also has correspondingly tie rod hole and ventilation opening, and pull rod 3 also extends through ring flange
Tie rod hole on 9.Ventilation opening on ring flange 9 is aligned with the ventilation opening on end clamp plate 4 and each ventilation opening in punching.Ring flange
9 with the counterbore that opens up on 11 faying face of iron core without shell to avoid locking nut.
The iron core 11 without shell formed sprays high score in the outer circle portion of rotor punching contacted with air and ventilation oral area
Sub- coating 8 will not be corroded with ensuring that core interior does not enter air by external environment.
Axis flow path is affixed to centrifugal fan 1 and the ring flange 9 of one end, ventilation opening from the axis flow path to centrifugal fan 1 and
Tie rod hole is aligned with 9 ventilation opening of ring flange and tie rod hole.Ensure entire ventilating duct completely through.Ring flange 9 will be finally exposed at
On nut 2 be locked, formed this patent without shell rotor.
This patent reasonably increases winding iron core heat dissipation area by dexterously structure setting.It compares in the prior art
Plain edge formula winding iron core (is not provided with apparent radiation tooth outside i.e. cyclic annular yoke), it is assumed that its radius R is 100mm, shell radius
130mm thickness h is 110mm, then this stator core heat dissipation area=2*3.14*R*h=69080mm2；And turn of the present embodiment
Sub- iron core, it is assumed that small punching radius R1For 100mm, big punching radius R2For 130mm, with a thickness of 110mm, big punching and small punching
It is spaced 10mm, then this iron core heat dissipation area=2*3.14*R1*h/2+2*3.14*R2*h/2+10*3.14*(R2 2-R1 2)=
101118mm2.By above data compare comparison it is found that the present embodiment rotor core heat dissipation area than same outer diameter plain edge formula stator
Iron core is big by 46%.
With reference to Fig. 1, the working principle of this patent includes: that no shell rotor is rotated around center line, no shell rotor
Iron core outer circle and air relative rotation form heat exchange.In addition to this, axis flow path is installed to centrifugation on end flange disk 9
Fan 1, the fan are rotated around center line together with no shell rotor core 11, are divulged information in axis flow path to centrifugal fan 1 after rotation
Mouth forms a negative pressure, and cold air is passed through punching ventilation opening, end clamp plate ventilation opening again to left end from right end ring flange ventilation opening
The sucking of ring flange ventilation opening, flows into axis flow path to centrifugal fan, throws away hot-air by rotary centrifugal force, finally turns without shell
Son continuously rotate by heat and outside air that winding iron core generates it is cold and hot it is continuous exchange, continuous circulation, by heat and
When distribute, it is ensured that the temperature rise of winding iron core.
Embodiment two
The present embodiment is identical as one overall structure of embodiment, the difference is that only, one or both ends do not have side pressure
Hardened structure, but directly engage and lock with size punching by ring flange.
Embodiment three
The present embodiment is identical as one overall structure of embodiment, the difference is that only, this it is a kind of it is high heat dissipation without shell winding
Outer-rotor structure also can be used as stator, i.e. it is fixed that both ends ring flange is not rotated around center line.
The preferred embodiment of this patent is described in detail in conjunction with attached drawing above, still, this patent is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of this patent, a variety of letters can be carried out to the technical solution of this patent
Monotropic type, these simple variants belong to the protection scope of this patent.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, this patent to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of this patent, as long as it is without prejudice to originally
The thought of patent equally should be considered as this patent disclosure of that.
Claims (10)
1. a kind of high heat dissipation is without shell winding outer-rotor structure, it is characterised in that: outer-rotor structure includes winding, without shell iron
Core, ring flange and axis flow path are to centrifugal fan；
Wherein, no shell iron core has multiple big punchings and multiple small punchings to laminate according to specific interval circulation, and circumference is with several high
Intensity pull rod, nut check form rectangular teeth cylinder without shell rigid body iron core；
Wherein, winding is wound in the tooth pole of no shell iron core, and ring flange is set to the both ends of no shell iron core, and axis flow path is to centrifugation
Fan is disposed therein on the outside of a ring flange；
Wherein ring flange, without shell iron core and axis flow path all have ventilation opening to centrifugal fan, each ventilation opening is aligned to form air-flow
Channel；
Wherein outer rotor is rotated around both ends ring flange center line, and band moving axis flow path rotates to form centrifugal flow to centrifugal fan, gas
Stream passes through core ventilation road.
2. high heat dissipation as described in claim 1 is without shell winding outer-rotor structure, it is characterised in that: no shell iron core has multiple
Big punching and multiple small punchings, large and small punching are laminated according to specific interval circulation, and it is cylindrical with rectangular teeth to form outer circle；Circle
Week forms the rigid iron core without shell for having rectangular teeth outer circle with several high-intensitive pull rods, nut check.
3. high heat dissipation as claimed in claim 2 is without shell winding outer-rotor structure, which is characterized in that no shell iron core is rigidity
And iron core outer circumference surface without shell, the outer circumference surface of iron core is directly directly contacted with outside air.
4. high heat dissipation as described in claim 1 is without shell winding outer-rotor structure, it is characterised in that: big punching, small punching, method
Blue disk and axis flow path are evenly equipped with ventilation opening to the circumferential direction of centrifugal fan, and each ventilation opening size is identical, respectively divulges information in radially installed
Mouth is mutually aligned to form perforation airflow channel.
5. high heat dissipation as claimed in claim 2 is without shell winding outer-rotor structure, it is characterised in that: big punching and small punching are equal
With tie rod hole, a pull rod runs through each tie rod hole, and is locked by fastener；Both ends blind flange passes through pull rod, will with fastener
Ring flange and large and small punching locking.
6. high heat dissipation as claimed in claim 5 is without shell winding outer-rotor structure, it is characterised in that: in both ends and the phase of iron core
End clamp plate is additionally provided between the ring flange that should be held, end clamp plate is circumferentially evenly distributed with ventilation opening and constitutes a part of airflow channel.
7. high heat dissipation as claimed in claim 6 is without shell winding outer-rotor structure, it is characterised in that: end clamp plate circumferentially also has
Tie rod hole, pull rod also run through the tie rod hole of end clamp plate, and pull rod passes through the tie rod hole on big punching, small punching and both ends end clamp plate,
With fastener by draw lever locking；Both ends blind flange passes through pull rod, is locked ring flange, the big punching of end clamp plate and small punching with fastener
Tightly.
8. high heat dissipation as claimed in claim 7 is without shell winding outer-rotor structure, it is characterised in that: outside each tie rod hole and pull rod
Circle is tight fit.
9. if described in any item high heat dissipations of claim 5-8 are without shell winding outer-rotor structure, it is characterised in that: pull rod material
Material is high-intensitive cold-drawn steel, and pull rod both ends are machined with both ends screw thread respectively, pass through nut check.
10. if described in any item high heat dissipations of claim 5-8 are without shell winding outer-rotor structure, it is characterised in that: both ends
Ring flange offers counterbore on the faying face in conjunction with end clamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821298885.8U CN208767876U (en) | 2018-08-13 | 2018-08-13 | It is a kind of it is high heat dissipation without shell winding outer-rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821298885.8U CN208767876U (en) | 2018-08-13 | 2018-08-13 | It is a kind of it is high heat dissipation without shell winding outer-rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767876U true CN208767876U (en) | 2019-04-19 |
Family
ID=66131865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821298885.8U Active CN208767876U (en) | 2018-08-13 | 2018-08-13 | It is a kind of it is high heat dissipation without shell winding outer-rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208767876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038900A (en) * | 2018-08-13 | 2018-12-18 | 江苏磁谷科技股份有限公司 | It is a kind of it is high heat dissipation without shell winding outer-rotor structure |
-
2018
- 2018-08-13 CN CN201821298885.8U patent/CN208767876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038900A (en) * | 2018-08-13 | 2018-12-18 | 江苏磁谷科技股份有限公司 | It is a kind of it is high heat dissipation without shell winding outer-rotor structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104319931B (en) | Waterproof air cooling heat radiation structure of hub motor of electric automobile | |
| JP5080603B2 (en) | Apparatus and method for cooling an electric machine | |
| US9621010B2 (en) | Rotating electrical machine | |
| US7977831B2 (en) | Electromotor | |
| CN101517865B (en) | Electrical machine with an internally cooled rotor | |
| US9800118B2 (en) | Self-cooled motor | |
| US9800117B2 (en) | Self-cooled motor | |
| US8294309B2 (en) | Electrical rotating machine | |
| JP2014033584A (en) | Wind cooling structure of rotary electric machine | |
| JP2007524335A5 (en) | ||
| EP3055923B1 (en) | Fan with axial flux electrical motor | |
| JP6884230B2 (en) | Electric motor | |
| US9755467B2 (en) | Open-type induction motor | |
| JP2003333801A (en) | Magnetogenerator | |
| KR101714477B1 (en) | OUTER ROTOR MOTOR WITH A STREAMLINED Blade for POWER OF of Unmanned Aircraft Robot | |
| WO2011094909A1 (en) | Heat dissipation device for high power vertical axis wind generator | |
| SE515843C2 (en) | Axial cooling of rotor | |
| JP2004312898A (en) | Rotor, stator, and rotating machine | |
| CN208767876U (en) | It is a kind of it is high heat dissipation without shell winding outer-rotor structure | |
| JP2008043149A (en) | Motor cooling structure | |
| CN109038900A (en) | It is a kind of it is high heat dissipation without shell winding outer-rotor structure | |
| CN112383191A (en) | Self-fan cold axial flux motor with external centrifugal fan | |
| EP2477313B1 (en) | An electric machine | |
| CN111313580A (en) | Permanent-magnet direct-drive roller | |
| WO2019189442A1 (en) | Blade device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |