CN207382138U - A kind of iron-core less motor of good heat dissipation - Google Patents

A kind of iron-core less motor of good heat dissipation Download PDF

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Publication number
CN207382138U
CN207382138U CN201721278508.3U CN201721278508U CN207382138U CN 207382138 U CN207382138 U CN 207382138U CN 201721278508 U CN201721278508 U CN 201721278508U CN 207382138 U CN207382138 U CN 207382138U
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China
Prior art keywords
motor casing
becket
stator
heat dissipation
iron
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CN201721278508.3U
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Chinese (zh)
Inventor
吕周安
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Zhejiang Allsun Intelligent Technology Co Ltd
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Zhejiang Allsun Intelligent Technology Co Ltd
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Priority to CN201721278508.3U priority Critical patent/CN207382138U/en
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  • Motor Or Generator Cooling System (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The utility model is related to a kind of iron-core less motors of good heat dissipation.It includes the upper motor casing and lower motor casing that mutually lid closes, and it is fixed on the stator inside the two, stator for it is discoid and be embedded with inside it several groups circumferentially array set coils, the outer ring of coil is set to outer invalid edges, the upper and lower sides of stator are fitted with the becket being coaxial therewith, becket outer invalid edges that are projected as covering of plane where outer invalid edges are set, and the inner wall of two beckets respectively with upper motor casing and lower motor casing up and down is bonded.Becket generally selects metallic aluminium to be made, and density is small and thermal conductivity is good.After upper motor casing and lower motor casing mutually cover conjunction, upper and lower two beckets are tightly pressed against to the upper and lower sides of stator, the heat that the coil of stator interior is sent is transferred to by becket on upper motor casing and lower motor casing, accelerate heat dissipation, becket is located at the outer invalid edges of coil simultaneously, without interference with the changes of magnetic field around coil.

Description

A kind of iron-core less motor of good heat dissipation
Technical field
The utility model is related to a kind of motor, more particularly, to a kind of iron-core less motor of good heat dissipation.
Background technology
Iron-core less motor is a kind of new special motor for representing electromechanics trade future thrust, and it is electronic to be divided into iron-core-free Machine and generator without iron core using iron-less core coil, carbon brush, without magnetic damping, rare earth permanent magnet electrokinetic technique, change conventional motors With silicon steel sheet and winding stator structure, with reference to electronic intelligence converter technique, electric system efficiency is made to be increased to more than 95%.Nothing Iron core motor has three big technical advantages.First, compared with conventional radial magnetic field structure designs, axial magnetic field structure design is employed, Increase substantially power density and torque volume ratio.Second is that using novel winding technique, high voltage precision die cast and macromolecule Material effectively reduces winding copper loss.Third, magnetic damping and iron loss are eliminated as stator and rotor core material without using silicon steel sheet, Driving power is reduced, reduces iron loss pyrotoxin.The stator of existing iron-core less motor is internal embedded by plastics integrated injection molding There is coil, in operation process, coil heating amount is larger, and the thermal diffusivity of plastic part is bad, and the heat of stator is difficult to quickly Metal shell is transferred to, motor internal heat is caused to rise apparent, influences motor service life.
The content of the invention
The utility model provides a kind of iron-core less motor of good heat dissipation;It solves that heat dissipation effect difference exists in the prior art Problem.
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals:A kind of good heat dissipation Iron-core less motor, upper motor casing and lower motor casing and the stator that is fixed on inside the two, stator including mutually covering conjunction are circle Plate-like and several groups of coils that circumferentially array is set are embedded with inside it, the outer ring of coil is set to outer invalid edges, and feature exists In:The upper and lower sides of the stator are fitted with the becket being coaxial therewith, and becket plane where outer invalid edges is projected as The outer invalid edges of covering are set, and the inner wall of two beckets respectively with upper motor casing and lower motor casing up and down is bonded.Becket General that metallic aluminium is selected to be made, density is small and thermal conductivity is good.After upper motor casing and lower motor casing mutually cover conjunction, by upper and lower two gold Belong to the upper and lower sides that ring is tightly pressed against stator, the heat that the coil of stator interior is sent is transferred to upper motor casing under by becket On motor casing, accelerate heat dissipation, while becket is located at the outer invalid edges of coil, without interference with the changes of magnetic field around coil.
Preferably, the rectangular cross-section of the becket, the inner wall of upper motor casing is equipped with what can be coordinated with becket Upper mating groove, upper mating groove are bonded completely with the top surface and lateral wall of becket, and lower motor casing is matched somebody with somebody equipped with the lower of identical setting Close slot.The rectangular cross-section of becket, it is easy to process, and compared to the circular external surface area with bigger, be conducive to radiate.
Preferably, it on the stator and avoids the position of coil and offers the through hole of up/down perforation.It is logical on stator Hole is conducive to the diverging of heat, can also effectively reduce the quality of stator.
Preferably, the casing outer surface that powers on is convexly equipped with several plates for promoting heat dissipation.Outside upper motor casing Plates on surface help to increase the heat dissipation area of itself, accelerate radiating rate.
Preferably, several convex ribs that circumferentially array is set are convexly equipped on the bottom surface of the lower motor casing inner surface. Convex ribs are convexly equipped on the bottom surface of lower motor casing inner surface, increase the contact area with the utility model inner air, accelerate heat absorption Speed.
The utility model additionally provides a kind of iron-core less motor of good heat dissipation, including motor component and turn installed therein Son, it is characterised in that:The motor component is the iron-core less motor of above-mentioned good heat dissipation.Since above-mentioned motor component is with above-mentioned Technique effect, the iron-core less motor with the motor component is also with identical technique effect.
Therefore, the utility model has the characteristics that compared with prior art:1. the heat that the coil of stator interior is sent leads to It crosses becket to be transferred on motor casing and lower motor casing, accelerates heat dissipation.
Description of the drawings
Attached drawing 1 is a kind of sectional view that the utility model crosses its axis;
Attached drawing 2 is a kind of explosive view of the utility model;
Attached drawing 3 is the arrangement schematic diagram of stator coil.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:See Fig. 1, Fig. 3, a kind of iron-core less motor of good heat dissipation, including mutually covering the upper motor casing 1 of conjunction under Motor casing 2 and the stator 3 being fixed on inside the two, stator 3 for it is discoid and its inside be embedded with several groups of circumferentially arrays The coil 4 of setting, the outer ring of coil 4 are set to outer invalid edges 41, and the upper and lower sides of stator 3 are fitted with the becket 5 being coaxial therewith, Becket 5 is set in the outer invalid edges 41 that are projected as covering of outer 41 place plane of invalid edges, upper and lower two beckets 5 respectively with it is upper The inner wall of motor casing 1 and lower motor casing 2 is bonded.Becket generally selects metallic aluminium to be made, and density is small and thermal conductivity is good.Upper motor After the upper motor casing and lower motor casing of shell and lower motor casing mutually cover conjunction, upper and lower two beckets are tightly pressed against the upper and lower of stator Side, the heat that the coil of stator interior is sent are transferred to by becket on upper motor casing and lower motor casing, accelerate heat dissipation, simultaneously Becket is located at the outer invalid edges of coil, without interference with the changes of magnetic field around coil.
See Fig. 1, the rectangular cross-section of becket 5, the inner wall of upper motor casing 1 is equipped with can be with matching somebody with somebody in the cooperation of becket 5 Slot 11 is closed, upper mating groove 11 is bonded completely with the top surface and lateral wall of becket 5, and lower motor casing 2 is equipped under identical setting Mating groove 21.The rectangular cross-section of becket, it is easy to process, and compared to the circular external surface area with bigger, be conducive to radiate.
See Fig. 1, on stator 3 and avoid the position of coil 4 and offer the through hole 31 of up/down perforation.Through hole on stator is favourable In the diverging of heat, the quality of stator can also be effectively reduced.
See Fig. 2, upper 1 outer surface of motor casing is convexly equipped with several plates 12 for promoting heat dissipation.It powers on casing outer surface Plates help to increase the heat dissipation area of itself, accelerate radiating rate.
See Fig. 2, several convex ribs 22 that circumferentially array is set are convexly equipped on the bottom surface of lower 2 inner surface of motor casing.Lower electricity Convex ribs are convexly equipped on the bottom surface of casing inner surface, increase the contact area with the utility model inner air, accelerate heat absorption speed.
The present embodiment also discloses a kind of iron-core less motor of good heat dissipation, including motor component and turn installed therein Son, it is characterised in that:The motor component is the iron-core less motor of above-mentioned good heat dissipation.Since above-mentioned motor component is with above-mentioned Technique effect, the iron-core less motor with the motor component is also with identical technique effect.Simultaneously, because motor component and The installation of rotor belongs to the prior art, is repeated no more in the present embodiment.
It is apparent to one skilled in the art that the utility model can change into various ways, and such change is not Think to depart from the scope of the utility model.All such obviously change the field technology personnel are included within this Within the scope of claim.

Claims (5)

1. a kind of iron-core less motor of good heat dissipation, the upper motor casing including mutually covering conjunction(1)With lower motor casing(2)It is and fixed Stator inside the two(3), stator(3)For it is discoid and be embedded with inside it several groups circumferentially array set coils (4), coil(4)Outer ring be set to outer invalid edges(41), it is characterised in that:The stator(3)Upper and lower sides be fitted with and its Coaxial becket(5), becket(5)In outer invalid edges(41)Place plane is projected as covering outer invalid edges(41)It sets, Two beckets up and down(5)Respectively with upper motor casing(1)With lower motor casing(2)Inner wall fitting.
2. the iron-core less motor of good heat dissipation according to claim 1, it is characterised in that:The becket(5)Section be Rectangle, upper motor casing(1)Inner wall be equipped with can be with becket(5)The upper mating groove of cooperation(11), upper mating groove(11)With gold Belong to ring(5)Top surface and lateral wall be bonded completely, lower motor casing(2)Lower mating groove equipped with identical setting(21).
3. the iron-core less motor of good heat dissipation according to claim 1 or 2, it is characterised in that:The stator(3)Above and keep away Burst at the seams circle(4)Position offer the through hole of up/down perforation(31).
4. the iron-core less motor of good heat dissipation according to claim 2, it is characterised in that:The upper motor casing(1)Appearance Face is convexly equipped with several plates for promoting heat dissipation(12).
5. the iron-core less motor of good heat dissipation according to claim 2, it is characterised in that:The lower motor casing(2)Inner surface Bottom surface on be convexly equipped with several circumferentially array set convex ribs(22).
CN201721278508.3U 2017-09-30 2017-09-30 A kind of iron-core less motor of good heat dissipation Active CN207382138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721278508.3U CN207382138U (en) 2017-09-30 2017-09-30 A kind of iron-core less motor of good heat dissipation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721278508.3U CN207382138U (en) 2017-09-30 2017-09-30 A kind of iron-core less motor of good heat dissipation

Publications (1)

Publication Number Publication Date
CN207382138U true CN207382138U (en) 2018-05-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111835153A (en) * 2019-04-23 2020-10-27 擎声自动化科技(上海)有限公司 Motor with PCB stator
CN112096633A (en) * 2019-06-18 2020-12-18 金士盾科技股份有限公司 Heat radiation structure of industrial ceiling fan

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111835153A (en) * 2019-04-23 2020-10-27 擎声自动化科技(上海)有限公司 Motor with PCB stator
CN111835153B (en) * 2019-04-23 2023-05-26 擎声自动化科技(上海)有限公司 Motor with PCB stator
CN112096633A (en) * 2019-06-18 2020-12-18 金士盾科技股份有限公司 Heat radiation structure of industrial ceiling fan

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A coreless motor with good heat dissipation

Effective date of registration: 20231219

Granted publication date: 20180518

Pledgee: Ningbo Bank Co.,Ltd. Lishui Branch

Pledgor: ZHEJIANG ENJIA INTELLIGENT TECHNOLOGY CO.,LTD.

Registration number: Y2023980072250

PE01 Entry into force of the registration of the contract for pledge of patent right