CN102075050A - Outer rotor DC brushless motor - Google Patents

Outer rotor DC brushless motor Download PDF

Info

Publication number
CN102075050A
CN102075050A CN200910194129XA CN200910194129A CN102075050A CN 102075050 A CN102075050 A CN 102075050A CN 200910194129X A CN200910194129X A CN 200910194129XA CN 200910194129 A CN200910194129 A CN 200910194129A CN 102075050 A CN102075050 A CN 102075050A
Authority
CN
China
Prior art keywords
external rotor
end cap
bearing
stator
protection end
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
Application number
CN200910194129XA
Other languages
Chinese (zh)
Inventor
郭守华
邵浩锡
黄剑来
蒋亮健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN NANHAI DISTRICT DONGTANG ELECTRICAL MACHINERY FACTORY
Original Assignee
FOSHAN NANHAI DISTRICT DONGTANG ELECTRICAL MACHINERY FACTORY
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FOSHAN NANHAI DISTRICT DONGTANG ELECTRICAL MACHINERY FACTORY filed Critical FOSHAN NANHAI DISTRICT DONGTANG ELECTRICAL MACHINERY FACTORY
Priority to CN200910194129XA priority Critical patent/CN102075050A/en
Priority to PCT/CN2010/074643 priority patent/WO2011063651A1/en
Publication of CN102075050A publication Critical patent/CN102075050A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses an outer rotor direct current (DC) brushless motor. The motor comprises an outer rotor assembly, a stator coil assembly, a stator bearing bracket, a stator protective end cover and a DC electric control circuit board, wherein the edge of the stator protective end cover is fixedly connected with a shell; the other end of the shell is provided with an outer rotor side protective end cover; an outer rotor solid shaft passes through the outer rotor side protective end cover and is provided with a power output and transmission fixed structure, so that the problem that the power output of the outer rotor DC brushless motor cannot be completely compatible with that of the conventional inner rotor motor because an outer rotor shell or a convex outer rotor shaft on one side of the stator protective end cover is taken as a power output member in the prior art; a built-in air supply and heat dissipation mode that the outer rotor solid shaft is provided with a fan blade, and an external air supply and heat dissipation mode that the outer side of the shell is provided with a box body of the DC electric control circuit board and an air cooling chamber effectively solve the problem of heat dissipation of key electronic elements in the prior art; and a line outlet is formed in the shell, so that the defect of use limitation of leading a line from the side of the stator protective end cover in the prior art is overcome.

Description

The external rotor DC Brushless Motor
Technical field
The present invention relates to a kind of DC Brushless Motor, especially a kind of external rotor DC Brushless Motor.
Background technology
The transfer mode of the power of the external rotor DC Brushless Motor of prior art output at present; mainly be to be power output transmission member with outer rotor case or with stator protection end cap one side evagination outer rotor shaft; by concentric suit blast fan cylinder on outer rotor case; the electric wheel wheel; or by 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 is the external rotor DC Brushless Motor of power output transmission member with outer rotor case with stator protection end cap one side evagination outer rotor shaft; has dynamo-electric usefulness height; power saving; the magnetic strength signal resolution is clear; moment is big; running steadily; the remarkable advantage that noise is low is particularly suitable at ventilation equipment; wherein using in some specific products in the professional domains such as electric motor car.Yet; the conventional motor that uses in present most industrial machines and the household electronic products all is to adopt any one or both ends of inner rotor motor axle to export transmission member as power basically; both compare; this prior art is the external rotor DC Brushless Motor of power output transmission member with outer rotor case with stator protection end one side evagination outer rotor shaft; the inner rotor shaft that transmits aspect the position with conventional motor in the diameter of power output transmission member and output exists the problem on obstacle of applying that can not finish compatible use; be difficult to apply as Campatible in most of household electronic products and industrial equipment, this is need be improved.In addition, the external rotor DC Brushless Motor of prior art can only protect the end cap setting to install the mounting means of position at stator, can with two ends protection end cap the multi-direction multiposition mounting means that installs the position be set arbitrarily at electric machine casing with the inner rotor motor of routine compares, there is very big difference, be difficult to adapt to the various different use occasion installation requirements of existing machine on installing and using, especially console mode is installed and used occasion; In addition; the crucial electronic component of device in the dc controlled wiring board of prior art external rotor DC Brushless Motor stator protection end cap inside; limited to by stator protection end cap interior location condition; there is thermal phenomena; also to product useful life and functional reliability forming adverse influence; more than these existing problems, be need improved.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of not only in power output transmission member and conventional inner rotor motor compatibility, and on installing and using and aspect the product reliability globality also with the external rotor DC Brushless Motor of conventional inner rotor motor compatibility.
For solving the problems of the technologies described above; external rotor DC Brushless 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 outer rotor case; permanent magnet; the external rotor assembly that external rotor solid shafting is formed; the dc controlled wiring board; 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; be shaped on power output and transmit securing structure at the solid axle body of external rotor that forms power output that can connect with other member that passes that the protection end cap exposes outside, this power output transmission securing structure is a groove.
As realize the present invention conceive substantially 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 substantially 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 substantially 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; 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 DC Brushless Motor of the external scheme of bearing to be particularly suitable for using in the heavy load motor.
As realize the present invention conceive substantially 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; 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.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 motor of heavy load.
In realizing that the present invention conceives substantially, can solve internal stator coil outlet of prior art external rotor DC Brushless Motor and power supply lead wire, it all is a kind of effective technology scheme of installing and using incompatibility problem from the orientation outlet of motor sidepiece, be to be shaped on line outlet at casing, stator coil outlet and the outlet of dc controlled wiring board, pass the casing line outlet, be connected with the externally fed power supply, this technical scheme from the casing outlet, the outlet method of the compatible conventional inner rotor motor of present major part and install and use mode.
As realizing that the present invention can improve the crucial electronic element radiating effect of original technology external rotor DC Brushless Motor dc controlled wiring board in conceiving substantially; and a kind of forced air supply heat dissipation technology scheme of raising external rotor DC Brushless 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 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 cool breeze is blown on the crucial electronic element radiating plate face of dc controlled wiring board.
As realizing that the present invention can improve the another kind of forced air supply heat dissipation technology scheme of the crucial electronic element radiating effect of dc controlled wiring board in conceiving substantially, be to be provided with dc controlled wiring board box body in the casing outside, be shaped on line outlet between casing and the dc controlled wiring board box body, dc controlled board box system has line outlet, the dc controlled wiring board is placed in the dc controlled wiring board box body, dc controlled wiring board box body is shaped on air-cooling chamber in the crucial electronic element radiating plate of corresponding dc controlled wiring board one side, air-cooling chamber is shaped on ventilating opening, electric fan is housed in the air-cooling chamber, during running, electric fan can suck cool breeze from ventilating opening, forcibly cool breeze is blown on the crucial electronic element radiating plate face.As another improvement of establishing dc controlled wiring board and air-cooling chamber heat dissipation technology scheme in the casing outside; be not adorn electric fan in the air-cooling chamber; change in external rotor solid shafting body dress fans; between the blast chamber of the protection end cap outside of air-cooling chamber and dress fans, be provided with blast orifice; the air-cooling chamber sidewall is shaped on ventilating opening; during running, fans can blow to cool breeze on the crucial electronic element radiating plate face of air-cooling chamber by blast orifice.
In realizing that the present invention conceives substantially; 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 inner rotor motors install and use the orientation and install pattern.
Pass a kind of improvement of first kind of outer technical scheme of protection end cap as above-mentioned realization external rotor solid shafting, external rotor side protection end cap center through hole inboard in above-mentioned first kind of technical scheme is equipped with anti-pad ring, can play the dust and moisture effect, protect the service life of casing inner rotator, stator, wiring board better; Another improvement as above-mentioned first kind of technical scheme; external rotor side protection end cap center through hole circumference in above-mentioned first kind of technical scheme is shaped on bearing chamber with one heart; bearing chamber is built-in with bearing, is equipped with the elastic shaft bearing sleeve between bearing chamber and the bearing, also can play protective action.
Because the relative prior art of above-mentioned external rotor DC Brushless Motor has been set up casing; external rotor side protection end cap; external rotor solid shafting is 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 inner rotor motor; all be to export transmission member as power with any one or both ends of rotor axle body; thereby overcome in the prior art external rotor DC Brushless Motor in power output transmission member size; orientation and conventional inner rotor motor are can not be fully compatible applies obstacle; and the rotor-side protection end cap bearing external technologies scheme that a bearing is set is external fulcrum beyond having adopted; the load-bearing capacity and the smoothness of operation of external rotor DC Brushless Motor have been improved 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 motor of heavy load, also can apply.In addition, owing in the 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 DC Brushless Motor have been improved on the one hand as an independent power output unit; On the other hand, make the external rotor DC Brushless 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 original technology external rotor DC Brushless Motor and can only protect the use limitation of end cap one side outlet tipping at stator, can be comprehensive ... apply in all trades and professions at existing industrial machines, automobile, steamer, household appliances; 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; perhaps in the external forced air supply heat dissipation technology scheme of casing setting with the dc controlled wiring board box body of electric fan air-cooling chamber; the integrated heat dissipation problem that has solved crucial electronic component in the external rotor DC Brushless Motor dc controlled wiring board effectively; the effective power and the useful life of external rotor DC Brushless 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 DC Brushless Motor in various power inner rotor motors.
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 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 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 is that employing is an external fulcrum with the bearing that installs the end cap of rotor-side protection outside among the present invention, and external rotor solid shafting one end passes the outer embodiment section diagrammatic sketch of external rotor side over cap;
Fig. 6 is the overall appearance diagrammatic sketch of Fig. 5 embodiment;
Fig. 7 is that employing is an external fulcrum with the bearing that installs the end cap of rotor-side protection outside among the present invention, and external rotor solid shafting one end passes the outer embodiment section diagrammatic sketch of stator protection end cap;
Fig. 8 is the overall appearance diagrammatic sketch of Fig. 7 embodiment;
Fig. 9 is the embodiment section diagrammatic sketch that adopts the forced-ventilated air-supply heat sink conception that subsidiary electric fan air-cooling chamber is set on the casing among the present invention;
Figure 10 is the overall appearance diagrammatic sketch of Fig. 9 embodiment;
Figure 11 is the embodiment section diagrammatic sketch that adopts among the present invention at a kind of forced-ventilated air-supply heat sink conception of external rotor solid shafting body suit fans;
Figure 12 is the overall appearance diagrammatic sketch of Figure 11 embodiment.
Embodiment
The invention will be further described with embodiment and accompanying drawing below:
In Fig. 1 and Fig. 2 embodiment diagrammatic sketch, the external rotor DC Brushless Motor comprises stator coil assembly 5, the stator support of bearing 11, be contained in the bearing 10 in the stator support of bearing 11,16, stator protection end cap 6, by outer rotor case 3, permanent magnet 4, the external rotor assembly that external rotor solid shafting 8 is formed, dc controlled wiring board 12, external rotor solid shafting 8 one ends are packed in two bearings 10 in the stator support of bearing, in 16, install casing 2 at stator protection end cap 6 edges, be equipped with external rotor side protection end cap 1 at casing 2 other ends, external rotor side protection end cap 1 central authorities are shaped on through hole 15, external rotor solid shafting 8 is packed in outer rotor case 3 one ends and passes outer rotor case 3 and external rotor side protection end cap 1 center through hole 15, and pass outside the external rotor side protection end cap 1, can be shaped on groove 14 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 1 exposes outside; 6 central authorities are shaped on through hole 9 at stator protection end cap; external rotor solid shafting 8 passes stator protection end cap 6 center through hole 9 near stator protection end cap 6 one ends; and pass outside the stator protection end cap 6; expose outside and to be shaped on groove 7 with external rotor solid shafting 8 axle bodies that other member is connected to form power output passing stator protection end cap 6; the end cap of rotor-side protection outside 1 inboard is equipped with packing ring 13; on 2 of casings, be shaped on and install member 17; be shaped on wire hole 18 at stator protection end cap 6, the ventilation equipment that present embodiment can be suitable for exporting at the coaxial both-end power of needs are (as air curtain; air blast) adopts in.
In Fig. 3 and Fig. 4 embodiment diagrammatic sketch; the external rotor DC Brushless Motor comprises stator coil assembly 28; the stator support of bearing 27; be contained in the bearing 24 in the stator support of bearing; 29; stator protection end cap 38; by outer rotor case 20; permanent magnet 21; the external rotor assembly that external rotor solid shafting 30 is formed; dc controlled wiring board 23; external rotor solid shafting 30 1 ends are packed in two bearings 24 in the stator support of bearing; in 29; install casing 37 at stator protection end cap 38 edges; be equipped with external rotor side protection end cap 36 at casing 37 other ends; external rotor side protection end cap 36 central authorities are shaped on through hole 33; be shaped on bearing chamber 35 with one heart at through hole 33 circumference; bearing chamber 35 is built-in with bearing 32; be equipped with rubber axis bearing sleeve 31 between bearing chamber 35 and the bearing 32; external rotor solid shafting 30 is packed in outer rotor case 20 1 ends and passes outer rotor case 20; pass bearing 32 and through hole 33; and pass outside the external rotor side protection end cap 36; be shaped on groove 34 at external rotor solid shafting 30 axle bodies that expose outside; stator protection end cap 38 is close to dc controlled wiring board key element position and is scribbled heat conductive silica gel; double as dc controlled wiring board key element heating panel 22; external rotor solid shafting 30 is equipped with fans 26 at the axle body that passes stator protection end cap 38 outsides; in fans 26 outsides protective cover 19 is housed; protective cover 19 is shaped on ventilating opening 25; what rotor-side protection end cap 36 was shaped on that band installs through hole 40 outside installs member 39, is shaped on line outlet 41 at casing 37.Present embodiment is particularly suitable for need installing and applying in the motor of power outlet at the other end at rotor shaft power output homonymy in automobile, aircraft, the chemical industry.
In Fig. 5 and Fig. 6 embodiment diagrammatic sketch; the external rotor DC Brushless Motor comprises stator coil assembly 51; the stator support of bearing 45; be contained in the bearing 46 in the stator support of bearing; stator protection end cap 50; by outer rotor case 58; permanent magnet 42; the external rotor assembly that external rotor solid shafting 56 is formed; dc controlled wiring board 44 is packed in stator protection end cap 50 inboards, installs casing 59 at stator protection end cap 50 edges, and casing 59 is shaped on line outlet 60; dc controlled wiring board 44 outlet (not shown)s are passed line outlet 60, are connected with the externally fed power supply.Be equipped with external rotor side protection end cap 57 at casing 59 other ends; external rotor side protection end cap 57 central authorities are shaped on through hole bearing chamber 53; through hole bearing chamber 53 is built-in with bearing 54; external rotor solid shafting 56 is packed in outer rotor case 58 1 ends and passes outer rotor case 58 and through hole bearing chamber 53 built-in bearings 54 suits; and pass through hole bearing chamber 53 built-in bearings 54; pass outside the external rotor side protection end cap 57; be shaped on groove 55 at external rotor solid shafting 56 axle bodies that expose outside; stator protection end cap 50 is close to dc controlled wiring board key element position and is scribbled heat conductive silica gel; double as dc controlled wiring board key element heating panel 43; external rotor solid shafting 56 other ends are contained in the bearing 46 of the stator support of bearing 45 near stator protection end cap 50 1 sides; external rotor solid shafting 56 is equipped with fans 48 at the axle body that passes stator protection end cap 50 outsides; in fans 48 outsides protective cover 49 is housed; protective cover 49 is shaped on ventilating opening 47; be equipped with in casing 59 bottoms and install under-chassis 52, apply in the general-purpose machinery that present embodiment is suitable for needing console mode to install.
In Fig. 7 and Fig. 8 embodiment diagrammatic sketch; the external rotor DC Brushless Motor comprises stator coil assembly 71; the stator support of bearing 67; be contained in dead axle and hold the interior bearing 66 of support; stator protection end cap 63; by outer rotor case 69; permanent magnet 68; the external rotor assembly that external rotor solid shafting 72 is formed; install casing 62 at stator protection end cap 63 edges; be equipped with external rotor side protection end cap 78 at casing 62 other ends; external rotor side protection end cap 78 central authorities are shaped on through hole bearing chamber 76; through hole bearing chamber 76 is built-in with bearing 74; external rotor solid shafting 72 is packed in outer rotor case 69 1 ends and passes outer rotor case 69; be inserted in the bearing 74 of external rotor side protection end cap 78 through hole bearing chambers 76; and extend through external rotor side protection end cap 78 outsides; be set with fans 73 at the axle body that passes external rotor side protection end cap 78 outsides; in fans 73 outsides protective cover 77 is housed; protective cover 77 is shaped on ventilating opening 75; casing 62 outsides are provided with dc controlled wiring board box body 84; dc controlled wiring board 83 is placed in the dc controlled wiring board box body 84; be shaped on line outlet 61 between casing 62 and the dc controlled wiring board box body 84; stator coil assembly 71 outlet (not shown)s are passed line outlet 61 and are connected with dc controlled wiring board 83; dc controlled wiring board box body 84 is shaped on line outlet 85; dc controlled wiring board 83 power supply lead wire (not shown)s are passed line outlet 85 and are connected with the externally fed power supply; dc controlled wiring board box body 84 corresponding dc controlled wiring board 83 crucial electronic element radiating plate 82 downsides are shaped on air-cooling chamber 81; air-cooling chamber 81 and be equipped with between external rotor protection end cap 78 outside blast chambers 79 of fans 73 and be provided with blast orifice 80; air-cooling chamber 81 sidewalls are shaped on ventilating opening 86; external rotor solid shafting 72 other ends are contained in the bearing 66 of the stator support of bearing 67 near stator protection end cap 63 1 sides; and extend through the center through hole 65 of bearing 66 and stator protection end cap 63; pass outside the stator protection end cap 63; be shaped on groove 64 at external rotor solid shafting 72 axle bodies that expose outside; be equipped with in casing 62 bottoms and install under-chassis 70, present embodiment is particularly suitable for applying in the motor of heavy load.
The present invention also can design the external rotor DC Brushless Motor of another kind of external independence forced air supply technical scheme structure by another execution mode, referring to Fig. 9 and Figure 10, be provided with dc controlled wiring board box body 88 in casing 93 outsides, dc controlled wiring board 89 is placed in the dc controlled wiring board box body 88, be shaped on line outlet 92 between casing 93 and the dc controlled wiring board box body 88, stator coil assembly 94 outlet (not shown)s are passed line outlet 92 and are connected with dc controlled wiring board 89, dc controlled wiring board box body 88 is shaped on line outlet 96, dc controlled wiring board 89 power supply lead wire (not shown)s are passed line outlet 96 and are connected with the externally fed power supply, casing 93 is shaped on air-cooling chamber 95 with dc controlled wiring board box body 88 corresponding dc controlled wiring board 89 crucial electronic element radiating plate 90 downsides, air-cooling chamber 95 is shaped on ventilating opening 97, electric fan 91 is housed in the air-cooling chamber 95, during running, electric fan 91 can suck cool breeze from ventilating opening 97, mandatory being blown on 90 of the crucial electronic element radiating plates, the long-pending torrid zone on 90 of the crucial electronic element radiating plates is walked, take out of from the ventilating opening (not shown) of cold air chamber's 95 other ends, present embodiment is particularly suitable for applying in the adjustable-speed motor of the big heavy load of speed ratio.
Figure 11 and Figure 12 show the radiator fan leaf and the embodiment of securing structure device in another integral heat emission scheme of stator protection end cap homonymy axle body transmitted in power output; external rotor solid shafting 104 is equipped with fans 105 passing stator protection end cap 99 axle bodies; the protective cover 100 of band ventilating opening 101 is housed in fans 105 outsides; protective cover 100 central authorities are shaped on through hole 102; external rotor solid shafting 104 extends through protective cover 100 through holes 102; outside exposing outside through hole 102, can be connected to form external rotor solid shafting 104 axle bodies of power output with other member; be shaped on groove 103, casing 98 is shaped on line outlet 106.
Certainly; the groove pattern that securing structure is not limited to the foregoing description is transmitted in the power output that external rotor solid shafting is shaped on one's body among the present invention; also can adopt pin key, anti-pitch thread, wear the pivot pin nail, motor axle body power outputs such as location hole, flat transmit and install pattern; such conversion all drops within protection scope of the present invention.

Claims (14)

1. external rotor DC Brushless Motor; it 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 external rotor assembly and dc controlled wiring board that outer rotor case, permanent magnet, external rotor solid shafting are formed, 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 DC Brushless Motor according to claim 1; it is characterized in that: described rotor-side outside protects end cap central authorities to be 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.
3. external rotor DC Brushless Motor according to claim 1; it is characterized in that: described external rotor side protects end cap central authorities to be shaped on the through hole bearing chamber; the through hole bearing chamber is built-in with bearing; 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.
4. external rotor DC Brushless 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 DC Brushless Motor according to claim 1 is characterized in that: described casing is shaped on line outlet.
6. external rotor DC Brushless 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 DC Brushless 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 1,5 described external rotor DC Brushless Motor, it is characterized in that: the described casing outside is provided with dc controlled wiring board box body, be shaped on line outlet between casing and the dc controlled wiring board box body, dc controlled board box system has line outlet, dc controlled wiring board box body is shaped on air-cooling chamber in the crucial electronic element radiating plate of corresponding dc controlled wiring board one side, air-cooling chamber is shaped on ventilating opening, and electric fan is housed in the air-cooling chamber.
9. according to claim 1,5,6,7 described external rotor DC Brushless Motor; it is characterized in that: the described casing outside is provided with dc controlled wiring board box body; be shaped on line outlet between casing and the dc controlled wiring board box body; dc controlled board box system has line outlet; the crucial electronic element radiating plate of the corresponding dc controlled wiring board of dc controlled wiring board box body one side is shaped on air-cooling chamber; air-cooling chamber and be equipped with between the protection end cap outside blast chamber of fans and be provided with blast orifice, the air-cooling chamber sidewall is shaped on ventilating opening.
10. according to claim 6,7,9 described external rotor DC Brushless Motor, it is characterized in that: described external rotor solid shafting extends protective cover.
11. external rotor DC Brushless Motor according to claim 1 is characterized in that described casing is equipped with to install member.
12. external rotor DC Brushless Motor according to claim 1 is characterized in that: described external rotor side protection end cap is equipped with and installs member.
13. external rotor DC Brushless Motor according to claim 2 is characterized in that: be equipped with packing ring in described external rotor side protection end cap center through hole inboard.
14. external rotor DC Brushless Motor according to claim 2 is characterized in that: be shaped on bearing chamber with one heart at described external rotor side protection end cap center through hole circumference, bearing chamber is built-in with bearing, is equipped with the elastic shaft bearing sleeve between bearing chamber and the bearing.
CN200910194129XA 2009-11-25 2009-11-25 Outer rotor DC brushless motor Pending CN102075050A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200910194129XA CN102075050A (en) 2009-11-25 2009-11-25 Outer rotor DC brushless motor
PCT/CN2010/074643 WO2011063651A1 (en) 2009-11-25 2010-06-28 Outer rotor brushless dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910194129XA CN102075050A (en) 2009-11-25 2009-11-25 Outer rotor DC brushless motor

Publications (1)

Publication Number Publication Date
CN102075050A true CN102075050A (en) 2011-05-25

Family

ID=44033437

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910194129XA Pending CN102075050A (en) 2009-11-25 2009-11-25 Outer rotor DC brushless motor

Country Status (2)

Country Link
CN (1) CN102075050A (en)
WO (1) WO2011063651A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102412692A (en) * 2011-12-27 2012-04-11 卧龙电气集团股份有限公司 Outer rotor direct current brushless motor used for automobile tail gas treatment system
CN104505965A (en) * 2014-12-17 2015-04-08 黄永怀 Motor device for electric hand riveter
CN106899097A (en) * 2017-03-10 2017-06-27 东莞市京橙电机科技有限公司 For the stator mounting structure of vehicle using motor central driving motor
CN107069477A (en) * 2016-11-07 2017-08-18 上海天灵开关厂有限公司 A kind of radiator fan of high current gas insulation switch cabinet
CN112564408A (en) * 2020-12-10 2021-03-26 擎风(扬州)新能源科技有限公司 Sealed high-voltage direct-current brushless outer rotor fan
CN114081333A (en) * 2020-08-24 2022-02-25 上海爱餐机器人(集团)有限公司 A frying pan subassembly, frying pan device and intelligent machine of cooking for cooking equipment
US11418086B2 (en) * 2018-05-10 2022-08-16 Arvinmeritor Technology, Llc Axle assembly having an electric motor module and a terminal box

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497040A (en) * 1993-11-30 1996-03-05 Sanyo Electric Co., Ltd. Outer rotor type brusless DC motor
CN2420776Y (en) * 1999-11-03 2001-02-21 曾昭瑞 outer rotor DC motor
JP2006109595A (en) * 2004-10-04 2006-04-20 Japan Servo Co Ltd Rotor balance correction structure of outer rotor type motor
JP4395141B2 (en) * 2006-04-18 2010-01-06 日本電産サーボ株式会社 Motor housing fixing structure
CN201204507Y (en) * 2008-04-16 2009-03-04 佛山市南海区东唐电机厂 DC brushless outer rotor motor
CN201234180Y (en) * 2008-07-10 2009-05-06 佛山市顺德区泛仕达机电有限公司 Outer rotor brushless DC motor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102412692A (en) * 2011-12-27 2012-04-11 卧龙电气集团股份有限公司 Outer rotor direct current brushless motor used for automobile tail gas treatment system
CN102412692B (en) * 2011-12-27 2015-04-01 卧龙电气集团股份有限公司 Outer rotor direct current brushless motor used for automobile tail gas treatment system
CN104505965A (en) * 2014-12-17 2015-04-08 黄永怀 Motor device for electric hand riveter
CN107069477A (en) * 2016-11-07 2017-08-18 上海天灵开关厂有限公司 A kind of radiator fan of high current gas insulation switch cabinet
CN107069477B (en) * 2016-11-07 2019-01-08 上海天灵开关厂有限公司 A kind of radiator fan of high current gas insulation switch cabinet
CN106899097A (en) * 2017-03-10 2017-06-27 东莞市京橙电机科技有限公司 For the stator mounting structure of vehicle using motor central driving motor
US11418086B2 (en) * 2018-05-10 2022-08-16 Arvinmeritor Technology, Llc Axle assembly having an electric motor module and a terminal box
CN114081333A (en) * 2020-08-24 2022-02-25 上海爱餐机器人(集团)有限公司 A frying pan subassembly, frying pan device and intelligent machine of cooking for cooking equipment
CN112564408A (en) * 2020-12-10 2021-03-26 擎风(扬州)新能源科技有限公司 Sealed high-voltage direct-current brushless outer rotor fan

Also Published As

Publication number Publication date
WO2011063651A1 (en) 2011-06-03

Similar Documents

Publication Publication Date Title
CN102075050A (en) Outer rotor DC brushless motor
CN101277881B (en) Roller drive and roller transport device
US20090230791A1 (en) Drive unit having optimized cooling
CN105305732B (en) A kind of integrated energy-saving Electromotor of Industrial Sewing Machine
CN106787466A (en) A kind of Temperature Control Type motor and electric automobile
KR101973554B1 (en) Fan shroud integrating dual fan
CN102377268A (en) Outer rotor alternating-current motor
US6601546B1 (en) Cooling fan
CN102447349B (en) Axial flow air cooled external rotor electric machine
CN202918128U (en) Ventilation and cooling structure for bearings in drive end of motor
CN207283311U (en) A kind of motor with heat sink
CN210327168U (en) Inner rotor direct-drive motor for large-diameter industrial ceiling fan
KR200444806Y1 (en) Motor
CN203453094U (en) Meridionally accelerated axial-flow cooling fan for electric locomotive brake resistor
CN103375415B (en) Aerator
CN209344950U (en) A kind of car condenser radiating motor of good heat dissipation effect
CN205078469U (en) Fan
CN112217316A (en) Integrated motor
CN203827122U (en) Energy-saving automobile heat dissipation motor
CN214887959U (en) Fan bracket assembly
CN206481202U (en) Brush DC Hall external motor for electric car
CN101860120A (en) External cooling type totally-enclosed direct current motor
CN205544793U (en) Variable frequency motor
CN204113957U (en) A kind of magnetic clutch of automobile air conditioner compressor of dust-proof radiating
CN201232618Y (en) Electric compressor for vehicle air conditioning

Legal Events

Date Code Title Description
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: 20110525