CN102377268A - Outer rotor alternating-current motor - Google Patents
Outer rotor alternating-current motor Download PDFInfo
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- CN102377268A CN102377268A CN2010102654280A CN201010265428A CN102377268A CN 102377268 A CN102377268 A CN 102377268A CN 2010102654280 A CN2010102654280 A CN 2010102654280A CN 201010265428 A CN201010265428 A CN 201010265428A CN 102377268 A CN102377268 A CN 102377268A
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- external rotor
- end cap
- bearing
- stator
- protection end
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Abstract
The invention discloses an outer rotor alternating-current motor. The outer rotor alternating-current motor comprises an outer rotor assembly, a stator coil assembly, a stator bearing bracket and a stator protecting end cover, wherein an enclosure is fixedly installed on the edge of the stator protecting end cover; an outer rotor side protecting end cover is arranged on the other end of the enclosure; an outer rotor solid shaft penetrates out of the outer rotor side protecting end cover and provided with a power output transfer fixed installation structure, thereby solving the problem that the power output generated by using an outer rotor shell or the convex outer rotor shaft at one side of the stator protecting end cover as a power output member in the prior art can not be completely compatible with that generated by the conventional inner rotor motor; and a line outgoing port is formed on the enclosure, thereby overcoming the use boundedness drawback of a line outgoing from the stator protecting end cover side in the prior art.
Description
Technical field
The present invention relates to a kind of alternating current motor, especially a kind of external rotor alternating current motor.
Background technology
The transfer mode of the power of the external rotor alternating current motor of prior art output at present; Mainly be to be power output transmission member with outer rotor case or stator protection end cap one side evagination outer rotor shaft; Through concentric suit blast fan cylinder, electric wheel wheel on outer rotor case; Or through loading onto coupling member on one's body at stator protection end cap one side evagination outer rotor shaft; Be passed to actual function of use parts thereby output power, this output spreads out of the external rotor alternating current motor of member as power with outer rotor case with stator protection end cap one side evagination outer rotor shaft, and it is high to have dynamo-electric usefulness; Power saving, the remarkable advantage that moment is big, running is steady, noise is low are particularly suitable for wherein using in some specific products in professional domains such as ventilation equipment, electric motor car.Yet; The conventional motor that uses in present most industrial machines and the household electronic products; Basically any one or both ends that all are employing inner rotor motor axle are power output transmission member, and both compare, and this prior art external rotor alternating current motor is the frame mode that power is exported transmission member with outer rotor case with stator protection end one side evagination outer rotor shaft; Aspect the diameter and output transmission position of power output transmission member; Exist the problem on obstacle of applying that can not compatiblely fully use with the inner rotor shaft of conventional motor, be difficult in most of household electronic products and industrial equipment, apply as Campatible, this is need be improved; In addition; The external rotor alternating current motor of prior art can only protect the end cap setting to install the limitation mounting means of position at stator, can around electric machine casing, with two ends protection end cap the multi-direction multiposition mounting means that installs the position be set arbitrarily with the inner rotor motor of routine and compare, and has great difference; On installing and using, be difficult to adapt to the various different use occasion installation requirements of existing machine; Especially console mode is installed and used occasion, more than these can't in the existing problems compatible with rotor electromotor, be need improved.
Summary of the invention
The technical problem that the present invention will solve provides a kind of not only compatible at power output transmission member and conventional inner rotor motor, and on installing and using and aspect the product reliability globality also with the external rotor alternating current motor of the complete compatibility of conventional inner rotor motor.
For solving the problems of the technologies described above, external rotor alternating current motor of the present invention comprises the stator coil assembly, the stator support of bearing; Be contained in the bearing in the stator support of bearing; Stator protection end cap, by the external rotor assembly that outer rotor case, external rotor solid shafting are formed, external rotor solid shafting one end is packed in the bearing of the stator support of bearing; Install casing at stator protection end cap edge; Be equipped with external rotor side protection end cap at the casing other end, external rotor solid shafting passes outside the protection end cap, is shaped on power output transmission securing structure passing the solid axle body of external rotor that forms power output that can connect with other member that the protection end cap exposes outside.
As realize the present invention conceive basically in external rotor solid shafting pass first kind of outer technical scheme of protection end cap; Be to be external rotor solid shafting fulcrum with built-in two bearings of the stator support of bearing; The end cap of rotor-side protection outside central authorities are shaped on through hole; External rotor solid shafting is packed in outer rotor case one end and passes outer rotor case and external rotor side protection end cap center through hole, and passes outside the external rotor side protection end cap.
As realize the present invention conceive basically in external rotor solid shafting pass second kind of outer technical scheme of protection end cap; With built-in two bearings of the stator support of bearing is external rotor solid shafting fulcrum; Central authorities are shaped on through hole at stator protection end cap; External rotor solid shafting passes stator protection end cap center through hole near stator protection end cap one end, and passes outside the stator protection end cap.
As realize the present invention conceive basically in external rotor solid shafting pass the third outer technical scheme of protection end cap; Be that the end cap of rotor-side protection outside central authorities are shaped on the through hole bearing chamber; The through hole bearing chamber is built-in with bearing, and external rotor solid shafting is packed in outer rotor case one end and passes outer rotor case, with through hole bearing chamber built-in bearing suit; And pass through hole bearing chamber and built-in bearing; Pass outside the external rotor side protection end cap, the external rotor solid shafting other end is contained in the bearing of the stator support of bearing near stator protection end cap one side, and the technical scheme that this protection of rotor-side outside end cap is provided with the bearing fulcrum can be understood the external scheme of bearing that is defined as.Adopt the external rotor alternating current motor of the external scheme of bearing to be particularly suitable for using in the heavy load motor.
As realize the present invention conceive basically in external rotor solid shafting pass the 4th kind of outer technical scheme of protection end cap; Be to be shaped on through hole in stator protection end cap central authorities; The end cap of rotor-side protection outside central authorities are shaped on bearing chamber; Bearing chamber is built-in with bearing, and external rotor solid shafting is packed in outer rotor case one end and passes outer rotor case, is inserted in the bearing of external rotor side protection end cap bearing chamber; The external rotor solid shafting other end is contained in the bearing of the stator support of bearing near stator protection end cap one side, and the center through hole that extends through near stator protection end cap one side bearing and stator protection end cap passes outside the stator protection end cap.This technical scheme belongs in the external scheme of bearing, and external rotor solid shafting passes a kind of power outgoing position conversion of stator protection end cap one end, is particularly suitable for equally using in the AC external rotor motor of heavy load.
In realizing that the present invention conceives basically; Can solve the outlet of internal stator coil and the power supply lead wire of prior art external rotor alternating current motor; It all is a kind of effective scheme of installing and using incompatibility problem of sidepiece orientation outlet from the motor both sides; Be to be shaped on line outlet at casing, the stator coil outlet can be passed the casing line outlet, is connected with the externally fed power supply; This technical scheme from the casing outlet, traditional outlet method of the compatible conventional inner rotor motor of present major part with install and use mode.
As realizing that the present invention can improve original technological external rotor alternating current motor radiating effect in conceiving basically; And a kind of forced air supply heat dissipation technology scheme of raising external rotor alternating current motor effective power and working life; Be that external rotor solid shafting is equipped with fans at the axle body that passes the external rotor side protection end cap outside or at the axle body that passes stator protection end cap; In the fans outside protective cover is housed, protective cover is shaped on ventilating opening, during running; Fans can suck cool breeze from ventilating opening, forcibly is blown into cool breeze on the inner working component of external rotor alternating current motor.
In realizing that the present invention conceives basically; Prior art can be solved and the technical scheme that installs the limitation problem of end cap one side joint dress stationary base mount must be protected at stator; It is the member that installs that is equipped with similar band under-chassis, hangers at casing; Perhaps rotor-side protection end cap is equipped with the member that installs of similar band through hole hangers, pedestal outside, thereby compatible the whole of present all internal rotor alternating current motors install and use the orientation and install pattern.
Because the relative prior art of above-mentioned external rotor alternating current motor has been set up casing and external rotor side protection end cap; Thereby can external rotor solid shafting be extended outside the protection end cap of any one or both ends; Expose axle body at external rotor solid shafting and be shaped on power output transmission securing structure; Thereby it is the same with conventional internal rotor alternating current motor; All be to export transmission member as power with any one or both ends of rotor axle body; Thereby overcome external rotor alternating current motor in the prior art power output transmission member size, orientation and conventional inner rotor motor fully compatibility apply obstacle; Reduce popularization external rotor ac motor application cost, and the rotor-side protection end cap bearing external technologies scheme that a bearing is set is external fulcrum beyond having adopted, improved the load-bearing capacity and the smoothness of operation of external rotor alternating current motor greatly; Overcome the formed motor complete machine load of the built-in technical scheme of available technology adopting bearing weakness on the low side, can in the alternating current motor of heavy load, also can apply.In addition, owing in technology of the present invention, set up casing and external rotor side protection end cap, integral product integrality and the safety and reliability of external rotor alternating current motor have been improved on the one hand as an independent power output unit; On the other hand; Make the external rotor alternating current motor on power supply lead wire outlet orientation and support installation direction and concrete securing structure mode; More a plurality of flexible selections of installing and using direction and more kinds of securing structure modes can have been arranged; Overcome prior art external rotor alternating current motor and can only protect the use limitation of end cap one side outlet tipping at stator, can be comprehensive at existing industrial machines, automobile, steamer, household appliances ... Apply in the alternating current motor of all trades and professions; And the solid axle body of external rotor between protective cover and protection end cap is provided with the built-in forced air supply heat dissipation technology scheme of fans; The integrated heat dissipation problem that solves external rotor alternating current motor stator coil assembly effectively; The effective power and the useful life of external rotor alternating current motor have been improved significantly; Further perfect integrality and dependability as an independent electric motors product; Thereby also further enlarged the Campatible alternate application scope of external rotor alternating current motor in various power internal rotor alternating current motors, greatly reduce the comprehensive alternative costs in the whole power-equipment field.
Description of drawings
Fig. 1 is that employing is built-in fulcrum with built-in two bearings of the stator support of bearing among the present invention, and external rotor solid shafting two ends pass the outer embodiment section diagrammatic sketch of protection end cap;
Fig. 2 is the overall appearance diagrammatic sketch of Fig. 1 embodiment;
Fig. 3 adopts among the present invention that the indoor bearing of rotor-side protection end cap bearing is an external fulcrum to install outside, and external rotor solid shafting one end passes the outer embodiment section diagrammatic sketch of external rotor side protection end cap;
Fig. 4 is the overall appearance diagrammatic sketch of Fig. 3 embodiment;
Fig. 5 adopts among the present invention that the indoor bearing of rotor-side protection end cap bearing is an external fulcrum to install outside, and external rotor solid shafting one end passes the outer embodiment section diagrammatic sketch of stator protection end cap;
Fig. 6 is the overall appearance diagrammatic sketch of Fig. 5 embodiment.
Embodiment
With embodiment and accompanying drawing the present invention is described further below:
In Fig. 1 and Fig. 2 embodiment diagrammatic sketch; The external rotor alternating current motor comprises stator coil assembly 3; The stator support of bearing 6 is contained in the bearing 9,10 in the stator support of bearing 6, stator protection end cap 5; The external rotor assembly of forming by outer rotor case 4, external rotor solid shafting 8; External rotor solid shafting 8 one ends are packed in two bearings 9,10 in the stator support of bearing 6, install casing 1 at stator protection end cap 5 edges, are equipped with external rotor side protection end cap 12 at casing 1 other end; External rotor side protection end cap 12 central authorities are shaped on through hole 11; External rotor solid shafting 8 is packed in outer rotor case 4 one ends and passes outer rotor case 4 and external rotor side protection end cap 12 center through hole 11, and passes outside the external rotor side protection end cap 12, can be shaped on location hole 15 with external rotor solid shafting 8 axle bodies that other member is connected to form power output what pass that external rotor protection end cap 12 exposes outside; 5 central authorities are shaped on through hole 7 at stator protection end cap; External rotor solid shafting 8 passes stator protection end cap 5 center through hole 7 near stator protection end cap 5 one ends; And pass outside the stator protection end cap 5; Expose outside and to be shaped on location hole 14 with external rotor solid shafting 8 axle bodies that other member is connected to form power output passing stator protection end cap 5; Below casing 1, be shaped on and install member 13, on casing 1, be shaped on wire hole 2, present embodiment can be suitable in the ventilation equipment (like air curtain, air blast) of the coaxial both-end power output of needs, adopting.
In Fig. 3 and Fig. 4 embodiment diagrammatic sketch, the external rotor alternating current motor comprises stator coil assembly 26, the stator support of bearing 21; Be contained in the bearing 22 in the stator support of bearing 21, stator protection end cap 18 is by outer rotor case 20; The external rotor assembly that external rotor solid shafting 23 is formed installs casing 17 at stator protection end cap 18 edges, and casing 17 is shaped on line outlet 16; Power line outlet (not shown) is passed line outlet 16, is connected with the externally fed power supply.Be equipped with external rotor side protection end cap 31 at casing 17 other ends; External rotor side protection end cap 31 central authorities are shaped on through hole and hold chamber 30; Through hole bearing chamber 30 is built-in with bearing 28, and external rotor solid shafting 23 is packed in outer rotor case 20 1 ends and passes outer rotor case 20 and through hole axle chamber 30 built-in bearings, 28 suits, and passes through hole bearing chamber 30 built-in bearings 28; Pass outside the external rotor side protection end cap 31, be shaped on groove 29 at external rotor solid shafting 23 axle bodies that expose outside.External rotor solid shafting 23 other ends are contained in the bearing 22 of the stator support of bearing 21 near stator protection end 18 1 sides; External rotor solid shafting 23 is equipped with fans 25 at the axle body that passes stator protection end cap 18 outsides; In fans 25 outsides protective cover 19 is housed; Protective cover 19 is shaped on ventilating opening 24, is equipped with in casing 17 bottoms and installs under-chassis 27, and present embodiment needing to be suitable for promoting the use of in the alternating current motor in the general-purpose machinery that console mode installs.
Fig. 5 and Fig. 6 show the external scheme of bearing that adopts; External rotor solid shafting one end passes the outer external rotor alternating current motor of stator protection end cap; External rotor solid shafting 38 is equipped with fans 39 passing stator protection end cap 34 axle bodies, and the protective cover 40 of band ventilating opening 35 is housed in fans 39 outsides, and protective cover 40 central authorities are shaped on through hole 36; External rotor solid shafting 38 extends through protective cover 40 through holes 36; Outside exposing outside through hole 36, can be connected to form external rotor solid shafting 38 axle bodies of power output with other member, be shaped on groove 37, casing 33 is shaped on line outlet 32.Present embodiment is suitable for applying in the motor of heavy load.
Claims (9)
1. external rotor alternating current motor; It comprises the stator coil assembly, and the stator support of bearing is contained in the bearing in the stator support of bearing; Stator protection end cap and the external rotor assembly of forming by outer rotor case, external rotor solid shafting; External rotor solid shafting one end is packed in the bearing of the stator support of bearing, it is characterized in that: install casing at stator protection end cap edge, be equipped with external rotor side protection end cap at the casing other end.
2. external rotor alternating current motor according to claim 1; It is characterized in that: described external rotor side protects end cap central authorities to be shaped on through hole; External rotor solid shafting is packed in outer rotor case one end and crosses outer rotor case and external rotor side protection end cap center through hole, and passes outside the external rotor side protection end cap.
3. external rotor alternating current motor according to claim 1; It is characterized in that: described external rotor side over cap central authorities are shaped on the through hole bearing chamber; The through hole bearing chamber is built-in with bearing, and external rotor solid shafting is installed on outer rotor case one end and passes outer rotor case, with through hole bearing chamber built-in bearing suit; And pass through hole bearing chamber and built-in bearing, pass outside the external rotor side protection end cap.
4. external rotor alternating current motor according to claim 1; It is characterized in that: described external rotor side protects end cap central authorities to be shaped on bearing chamber; Bearing chamber is built-in with bearing; External rotor solid shafting is packed in outer rotor case one end and passes outer rotor case; Be inserted in the bearing of external rotor side protection end cap bearing chamber, the external rotor solid shafting other end is contained in the bearing of the stator support of bearing near stator protection end cap one side, and the center through hole that extends through near stator protection end cap one side bearing and stator protection end cap passes outside the stator protection end cap.
5. external rotor alternating current motor according to claim 1 is characterized in that; Described casing is shaped on line outlet.
6. external rotor alternating current motor according to claim 1 is characterized in that: described external rotor solid shafting, at the axle body that passes the external rotor side protection end cap outside fans is housed, and in the fans outside protective cover is housed, protective cover is shaped on ventilating opening.
7. external rotor alternating current motor according to claim 1 is characterized in that: described external rotor solid shafting, at the axle body that passes the stator protection end cap outside fans is housed, and in the fans outside protective cover is housed, protective cover is shaped on ventilating opening.
8. according to claim 1,6,7 described external rotor alternating current motors, it is characterized in that: described external rotor solid shafting extends protective cover.
9. external rotor alternating current motor according to claim 1 is characterized in that described casing is equipped with to install member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102654280A CN102377268A (en) | 2010-08-27 | 2010-08-27 | Outer rotor alternating-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102654280A CN102377268A (en) | 2010-08-27 | 2010-08-27 | Outer rotor alternating-current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102377268A true CN102377268A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102654280A Pending CN102377268A (en) | 2010-08-27 | 2010-08-27 | Outer rotor alternating-current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102377268A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065231A (en) * | 2014-07-04 | 2014-09-24 | 太仓东元微电机有限公司 | Built-in motor for driver |
| CN105024490A (en) * | 2015-08-20 | 2015-11-04 | 广东威灵电机制造有限公司 | Integrated motor with impeller |
| CN105186760A (en) * | 2015-08-20 | 2015-12-23 | 广东威灵电机制造有限公司 | Mounting structure of motor bearings, and motor |
| CN105790460A (en) * | 2014-12-22 | 2016-07-20 | 南京德朔实业有限公司 | External rotor motor |
-
2010
- 2010-08-27 CN CN2010102654280A patent/CN102377268A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065231A (en) * | 2014-07-04 | 2014-09-24 | 太仓东元微电机有限公司 | Built-in motor for driver |
| CN105790460A (en) * | 2014-12-22 | 2016-07-20 | 南京德朔实业有限公司 | External rotor motor |
| CN105024490A (en) * | 2015-08-20 | 2015-11-04 | 广东威灵电机制造有限公司 | Integrated motor with impeller |
| CN105186760A (en) * | 2015-08-20 | 2015-12-23 | 广东威灵电机制造有限公司 | Mounting structure of motor bearings, and motor |
| CN105024490B (en) * | 2015-08-20 | 2018-04-17 | 广东威灵电机制造有限公司 | integrated motor with impeller |
| CN105186760B (en) * | 2015-08-20 | 2018-08-31 | 广东威灵电机制造有限公司 | Motor bearing installation structure and motor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |