CN208674996U - External rotor electric machine and device for clothing processing with it - Google Patents

Abstract

The utility model discloses a kind of external rotor electric machine and with its device for clothing processing, the external rotor electric machine includes: motor body, the motor body includes rotor and stator, the rotor has rotor hole, and the stator is set to the rotor hole and has the first mounting portion for stretching out the rotor hole；Controller, the controller are connected with first mounting portion and are electrically connected with the stator winding of the stator.According to the integrated setting of the external rotor electric machine of the utility model embodiment, more compact structure, easy to produce and assembly improves anti-electromagnetic interference capability and structural compatibility, advantageously reduces production cost, improves system reliability.

Description

External rotor electric machine and device for clothing processing with it

Technical field

The utility model relates to device for clothing processing technical fields, more particularly, to a kind of external rotor electric machine and have Its device for clothing processing.

Background technique

In the related art, rotor is external makes external rotor electric machine be difficult to install fixation with external component, limits axial peace Space is filled, and also affects the connection with controller, the mounting structure of motor and controller is complex, not only increases cost Add, and is unfavorable for Electro Magnetic Compatibility and electrical connection stability.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose that a kind of external rotor electric machine, the motor body and controller of the external rotor electric machine can connect one Body can simplify connection structure, realize integrated setting.

Another purpose of the utility model is to propose a kind of device for clothing processing with above-mentioned external rotor electric machine.

According to the external rotor electric machine of the utility model embodiment, comprising: motor body, the motor body include rotor and Stator, the rotor have rotor hole, and the stator is set to the rotor hole and has the first installation for stretching out the rotor hole Portion；Controller, the controller are connected with first mounting portion and are electrically connected with the stator winding of the stator.

According to the integrated setting of the external rotor electric machine of the utility model embodiment, more compact structure, easy to produce and assembly, Anti-electromagnetic interference capability and structural compatibility are improved, production cost is advantageously reduced, improves system reliability.

In addition, can also have following additional technology special according to the external rotor electric machine of the utility model above-described embodiment Sign:

According to the external rotor electric machine of the utility model embodiment, first mounting portion have wiring space, described first The outer surface of mounting portion is equipped with the thread passing port being connected to the wiring space, and the controller passes through wiring conducting wire and the stator Winding electrical connection, the stator winding and/or the wiring conducting wire are arranged in the thread passing port and the stator winding and described The connecting portion of wiring conducting wire protrudes into the wiring space, and the controller lid sets the thread passing port.

Further, the stator winding is connected with the wiring conducting wire by terminal, and the terminal snaps fits into described connect Space of lines.

Further, it is cased with heat-shrinkable T bush outside the terminal, the terminals of the stator winding and the wiring conducting wire Terminals are wrapped up by the heat-shrinkable T bush respectively.

Some embodiments according to the present utility model, the stator winding are three-phase windings, and the thread passing port is four, institute Three phase lead-out wires and the common end for stating three-phase windings are corresponding with four thread passing ports respectively.

In some embodiments of the utility model, the thread passing port is set on the stretching end face of first mounting portion, The stretching side of first mounting portion is equipped with the first clamping portion, and the edge of the controller is equipped with and first clamping portion Second clamping portion of clamping.

Further, the edge of the controller is equipped with the first snap-gauge extended to one side, and second clamping portion is Set on the bayonet of first snap-gauge, first clamping portion is buckle, and the two sides of first snap-gauge are respectively equipped with lateral coaming plate With with the controller edge and first snap-gauge cooperatively form groove, it is described when the buckle and bayonet clamping First installation position is in the groove.

In some embodiments of the utility model, one end of the controller is connected with first mounting portion, described The other end of controller extends outwardly beyond the stator, and the controller is additionally provided with third clamping portion, the stator further include: The second mounting portion of the rotor hole is stretched out, second mounting portion is equipped with the 4th clamping being clamped with the third clamping portion Portion.

Further, the controller be additionally provided with to one side extend the second snap-gauge, the third clamping portion be set on The bayonet of second snap-gauge, second mounting portion are equipped with step surface, and the step surface includes the first table top and is located at described Second table top of the side of the first table top, the 4th clamping portion are the buckle set on the side of first table top, described the The junction of one table top and second table top set there are two be located at the buckle two sides convex block.

Some embodiments according to the present utility model, first mounting portion and second mounting portion are set to the stator Stator insulating frame.

Some embodiments according to the present utility model, the controller include: mounting box, the mounting box and described first Mounting portion is connected；Electric-controlled plate, the electric-controlled plate are installed on the mounting box and are connected by wiring conducting wire with the stator winding.

Further, one end of the mounting box is connected with first mounting portion, and the other end of the mounting box is outside The outer peripheral surface of the rotor is stretched out in, the electric-controlled plate is set on the extension of the mounting box.

In some embodiments of the utility model, the electric-controlled plate is set to the side of the mounting box, the mounting box Equipped with the thread jamming part for being clamped the wiring conducting wire, threading hole is additionally provided on the mounting box, the wiring conducting wire passes through institute Thread jamming part is stated to draw from the threading hole.

In some embodiments of the utility model, the external rotor electric machine further include: clutch, the clutch include Clutch body positioned at the axial side of the rotor and the clutch shaft that is connected with the clutch body, the clutch Device shaft through the stator stator hole to be connect with the rotor, first mounting portion is to the axial side of the rotor It stretches out.

Further, installation of the stator equipped with the axial side that the rotor is circumferentially extended and protruded from along it is convex Ring, the clutch are connected with the installation bulge loop, and the installation bulge loop is equipped with notch, first mounting portion and the installation Bulge loop is connected and is located at the indentation, there.

Some embodiments according to the present utility model, the controller are equipped with the limit for being limited to the controller Position protrusion, the end face towards the stator of the clutch extends to the top of the retention bead.

Device for clothing processing according to the utility model embodiment includes the external rotor electric according to the utility model embodiment Machine.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the explosive view according to the external rotor electric machine of the utility model embodiment；

Fig. 2 is the structural schematic diagram according to the external rotor electric machine of the utility model embodiment；

Fig. 3 is the partial structural diagram according to the stator of the external rotor electric machine of the utility model embodiment；

Fig. 4 is illustrated according to the motor body of the external rotor electric machine of the utility model embodiment and the mounting structure of controller Figure；

Fig. 5 is shown according to the stator winding of the external rotor electric machine of the utility model embodiment and the connection structure of wiring conducting wire It is intended to；

Fig. 6 is the cross-sectional view according to the external rotor electric machine of the utility model embodiment；

Fig. 7 is the structural schematic diagram according to the controller of the external rotor electric machine of the utility model embodiment.

Appended drawing reference:

External rotor electric machine 100；

Motor body 10；

Rotor 20；Rotor hole 201；

Stator 30；Stator hole 301；First mounting portion 31；Wiring space 311；Thread passing port 312；First clamping portion 313；It is fixed Sub- winding 32；Second mounting portion 33；4th clamping portion 331；First table top 332；Second table top 333；Convex block 34；Stator insulating frame 35；Bulge loop 36 is installed；Notch 361；

Controller 40；First snap-gauge 41；Second clamping portion 411；Lateral coaming plate 42；Groove 421；Second snap-gauge 43；Third card Socket part 431；Mounting box 44；Thread jamming part 441；Threading hole 442；Electric-controlled plate 45；Cooling fin 451；Retention bead 46；

Wiring conducting wire 50；Terminal 51；Heat-shrinkable T bush 52；

Clutch 60；Clutch body 61；Clutch shaft 62；

Threaded fastener 70.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

Below with reference to Fig. 1-Fig. 7 description according to the external rotor electric machine 100 and device for clothing processing of the utility model embodiment.

It may include: motor body according to the external rotor electric machine 100 of the utility model embodiment shown in referring to Figures 1 and 2 10 and controller 40.

Specifically, motor body 10 may include rotor 20 and stator 30, rotor 20 can have rotor hole 201, fixed Son 30 can be set to rotor hole 201.Controller 40 can be electrically connected with the stator winding 32 of stator 30, to supply to stator winding 32 Electricity makes stator 30 form magnetic field.Rotor 20 is in the magnetic field of the formation of stator 30, realizes conversion of the electric energy to mechanical energy.

In addition, as depicted in figs. 1 and 2, stator 30 can have the first mounting portion 31, the first mounting portion 31, which can stretch out, to be turned Sub-aperture 201, controller 40 can be connected with the first mounting portion 31, be achieved in the connection of controller 40 Yu motor body 10, control Device 40 processed and the integrated setting of motor body 10.

Since the rotor of external rotor electric machine is external, motor is caused to be difficult to that fixation is installed with external component, therefore, in related skill In art, external rotor electric machine is commonly installed on the clutch, and the controller of driving motor operating is then mounted remotely from its of motor His position.Motor and controller separation arrangement, so that external rotor electric machine and controller needs are individually produced, are assembled, it is at high cost, and And connecting wire is longer between motor and controller, line is complicated, is unfavorable for Electro Magnetic Compatibility and electrical connection stability.

And in the present invention, being connected by controller 40 with the first mounting portion 31 of stator 30 may be implemented controller 40 is integrated with motor body 10, and with the separately installed stationary phase ratio of controller, controller 40 is mounted directly to motor body 10 Make 100 more compact structure of external rotor electric machine.When external rotor electric machine 100 is installed on the devices such as device for clothing processing, motor body 10 and controller 40 can first be connected as one and be installed in device for clothing processing again, simplify production assembly process, and motor Electric connection line between ontology 10 and controller 40 is short, and electric connection structure is simple, can simplify inside device for clothing processing 100 Structure reduces the fixed difficulty of harness, improves electromagnetism interference energy the case where being less prone to electric connection line winding, loosen Power improves system reliability.The installation of external rotor electric machine 100 is not limited by device for clothing processing structure, can be adapted for not The device for clothing processing of same specification, structural compatibility are good.

In addition, controller 40 is directly connected with stator 30, without other retaining elements, it is possible to reduce amount of parts, Simplify assembly process, reduces production cost.And distance is closer between controller 40 and rotor 20, and rotor 20 can disturb when rotating Dynamic surrounding air, to form cross-ventilation, cross-ventilation can accelerate power device on controller 40 and radiate, and being conducive to improve makes It with the service life, and may not need setting heat dissipation element, or can reduce the volume of heat dissipation element (for example, cooling fin 451), drop Low cost.

According to the controller 40 of the external rotor electric machine 100 of the utility model embodiment and the integrated setting of motor body 10, More compact structure, easy to produce and assembly, improves anti-electromagnetic interference capability and structural compatibility, advantageously reduces and be produced into This, improves system reliability.

Device for clothing processing according to the utility model embodiment includes the external rotor electric according to the utility model embodiment Machine 100.Since there is above-mentioned beneficial technical effect, basis according to the external rotor electric machine 100 of the utility model embodiment The device for clothing processing more compact structure of the utility model embodiment, easy to produce and assembly, improves anti-electromagnetic interference capability And structural compatibility, production cost is advantageously reduced, system reliability is improved.

Optionally, device for clothing processing can be washing machine (for example, pulsator washing machine, impeller variable-frequency washing machine, roller Washing machine), dryer or washing-drying integral machine etc..

Some embodiments according to the present utility model, as shown in figure 3, the first mounting portion 31 can have wiring space 311, The outer surface of first mounting portion 31 can be equipped with thread passing port 312, and thread passing port 312 is connected to wiring space 311.Controller 40 can be with It is electrically connected by wiring conducting wire 50 with stator winding 32, the working condition of stator 30 is powered or controlled to stator winding 32. Optionally, wiring conducting wire 50 can be power supply line or be electrically connected with power supply line.

As shown in Figure 3 and Figure 4, stator winding 32 can be arranged in thread passing port 312, in order to be connected with wiring conducting wire 50. And the connecting portion of stator winding 32 and wiring conducting wire 50 can protrude into wiring space 311, and controller 40 can cover and set line Mouth 312.Controller 40 can cover the connecting portion of pressure stator winding 32 and wiring conducting wire 50 as a result, prevent 32 He of stator winding The connecting portion of wiring conducting wire 50 loosens in 100 course of work of external rotor electric machine, improves connection reliability, while making to assemble When stator winding 32 and the position of wiring conducting wire 50 fix, be conducive to improve production efficiency.

Further, as shown in figure 5, stator winding 32 and wiring conducting wire 50 can be connected by terminal 51, terminal 51 connects It connects simply securely, is not easy to loosen, assembly is quick, and terminal 51 can block the interconnecting piece of stator winding 32 and wiring conducting wire 50 The plain conductor of position prevents plain conductor exposed and intakes, short-circuit or generation electric shock accidents.Terminal 51 can snap fits into wiring Space 311, wiring space 311 and thread passing port 312 form clamped nipple card slot, can protect terminal 51, prevent terminal 51 from loosening, Further improve connection reliability.

Still further, as shown in figure 5, terminal 51 outer can also be cased with heat-shrinkable T bush 52, the terminals of stator winding 32 It can be wrapped up respectively by heat-shrinkable T bush 52 with the terminals of wiring conducting wire 50.Heat-shrinkable T bush 52 can connecing with sealed stator winding 32 The connecting portion of line end, the terminals of wiring conducting wire 50 and stator winding 32 and wiring conducting wire 50.It on the one hand can anti-fastening The connecting portion of sub- winding 32 and wiring conducting wire 50 loosens, and makes to connect stronger, and the sealing of another aspect heat-shrinkable T bush 52 can be to prevent Only extraneous steam immerses, and improves the terminals of sealed stator winding 32, the terminals of wiring conducting wire 50 and stator winding 32 With the antioxidation of the connecting portion of wiring conducting wire 50, electrical connection reliability is improved.

For example, in some embodiments, external rotor electric machine 100 is aluminium enamel-covered wire motor, stator winding 32 is aluminium enamel-covered wire, Aluminium enamel-covered wire and wiring conducting wire 50 are beaten by metal terminal connect after sealed by heat-shrinkable T bush 52, aluminum steel oxidation mistake can be prevented Effect, and then improve electrical connection reliability.

It should be noted that in the present invention, the winding number of phases of the quantity of thread passing port 312 and stator winding 32 can be with It is identical to can also be different.For example, in some embodiments, stator winding 32 is three-phase windings, thread passing port 312 can be four, U, the phase lead-out wire of V, W three-phase and common end can be corresponding with four thread passing ports 312 respectively.That is, U, V, W three-phase Phase lead-out wire be connected respectively with wiring conducting wire 50 after be individually positioned in first into third thread passing port 312, three-phase windings Common end can be placed in the 4th thread passing port 312.Between each phase of stator winding 32 independently of one another, it does not interfere with each other, no Winding or short circuit easily occurs.

Certainly, the quantity of thread passing port 312 may be one, two or three.In further embodiments, stator around Group 32 is three-phase windings, and thread passing port 312 can be one, and the phase lead-out wire of three-phase windings and common end can be placed in one In thread passing port 312, stator winding 32 and the connecting portion of wiring conducting wire 50 can also be fixed in this way, reduce short circuit or Short-circuit risks.

It should be noted that in the present invention, the connection structure of controller 40 and the first mounting portion 31 can basis Actual conditions needs are adjusted, for example, in some embodiments, controller 40 passes through buckle structure phase with the first mounting portion 31 Even, connection structure is simple, is not necessarily to individual retaining element, is conducive to improve assembly process.In further embodiments, controller 40 and first mounting portion 31 can be fixed by threaded fastener etc., such as can be fixed by self-tapping screw.Stator 30 with Clutch 60 is by the way that in the connected embodiment of screw, controller 40 can be consolidated by the screw that stator 30 is connect with clutch 60 It is fixed, to be further simplified connection structure, simplify assembly process.

Some embodiments according to the present utility model, as shown in Figure 3 and Figure 6, thread passing port 312 can be set to the first mounting portion On 31 stretching end face, the first clamping portion 313 can be equipped on the stretching side of the first mounting portion 31, the edge of controller 40 can To be equipped with the second clamping portion 411 being clamped with the first clamping portion 313.Controller 40 is connected with the clamping of stator 30, connection structure letter It is single, it is easily assembled.

Further, as shown in Figure 6 and Figure 7, the edge of controller 40 can be equipped with and extend to the side of controller 40 First snap-gauge 41, the second clamping portion 411 can be for set on the bayonet of the first snap-gauge 41, the first clamping portion 313 can be buckle, card Button is clamped with bayonet, to realize the clamping of controller 40 Yu stator 30.Optionally, buckle can form guiding surface, buckle with During bayonet clamping, guiding surface can be offseted with the edge of bayonet to be oriented to the first snap-gauge 41, make clamping more It is easy.

In addition, as shown in fig. 7, the two sides of the first snap-gauge 41 can be respectively equipped with lateral coaming plate 42, two lateral coaming plates 42, control When the edge of device 40 and the first snap-gauge 41 can cooperatively form groove 421, buckle and bayonet clamping, the first mounting portion 31 can position In in groove 421.Groove 421 can be blocked from multiple sides of the first mounting portion 31, make to be placed in wiring space 311 Wiring conducting wire 50 and the connecting portion of stator winding 32 be not exposed, can preferably prevent extraneous steam from immersing, further increase The antioxygenic property of wiring conducting wire 50 and stator winding 32, electric appliance connection reliability are more preferable.And groove 421 and the first installation The cooperation of portion 31 can be further improved the stability that controller 40 is connect with stator 30, prevent controller 40 in external rotor electric machine Violent oscillatory motion in 100 courses of work improves the mechanical stability of clamping structure.

According to the utility model further embodiment, as shown in Figure 2 and Figure 7, one end of controller 40 can be with first Mounting portion 31 is connected, and the other end of controller 40 can extend outwardly beyond stator 30, to be further reduced controller 40 and turn The distance of son 20.And controller 40 is also provided with third clamping portion 431, and stator 30 can also include stretching out rotor hole 201 The second mounting portion 33, as shown in figure 3, the second mounting portion 33 can be equipped with the 4th clamping portion 331, the 4th clamping portion 331 can be with It is clamped with third clamping portion 431.The first clamping portion 313 and the second clamping portion 411 are clamped as a result, third clamping portion 431 and the 4th Clamping portion 331 is clamped, and controller 40 may be implemented and connect with the multidigit of stator 30 point, further increase connection reliability, and Multidigit point connects the vibration that can reduce controller 40, reduces noise.

Optionally, stator 30 radially, the 4th clamping portion 331 can be located at the first clamping portion 313 separate stator The side of 30 axis, thus, it is possible to be attached in at least two radial positions along stator 30, effectiveness in vibration suppression is more preferable.

Further, as shown in fig. 7, controller 40 is also provided with the second snap-gauge extended to the side of controller 40 43, third clamping portion 431 can be for set on the bayonet of the second snap-gauge 43, the 4th clamping portion 331 can be buckle, buckle and bayonet The clamping of controller 40 and stator 30 is realized in clamping, and connection structure is simple.Optionally, the 4th clamping portion 331, which also can have, leads To inclined-plane, to be oriented to bayonet, it is easier clamping.

In addition, step surface may include 332 He of the first table top as shown in figure 3, the second mounting portion 33 can be equipped with step surface The second table top 333 positioned at the side of the first table top 332, the 4th clamping portion 331 can be set to the side of the first table top 332, and And first the junction of table top 332 and the second table top 333 can set that there are two the convex blocks 34 for the two sides for being located at buckle.Work as card When button is clamped with bayonet, the second snap-gauge 43 can be protruded between two convex blocks 34, and two convex blocks 34 can limit the second snap-gauge 43 Along the circumferential position of stator 30, to reduce circumferential vibration of the controller 40 along stator 30.

It should be noted that in the present invention, controller 40 may include one or more first snap-gauge 41 with And one or more second snap-gauge 43, one or more bayonet, each second card can be equipped on each first snap-gauge 41 One or more bayonet, corresponding first clamping portion 313 and the 4th clamping portion 331 or one can also be equipped on plate 43 It is a or multiple.

In certain embodiments, the second snap-gauge 43 can be multiple, and the 4th clamping portion 331 is and the second snap-gauge 43 1 One is corresponding multiple, and multiple 4th clamping portions 331 can be set to the outer peripheral surface of stator 30, and multiple 4th clamping portions 331 can With along the circumferentially spaced setting of stator 30, to realize stator 30 and controller 40 from multiple positions of the outer periphery of stator 30 Connection connects more stable.

Some embodiments according to the present utility model, as shown in figure 3, the first mounting portion 31 and the second mounting portion 33 can be set In the stator insulating frame 35 of stator 30, the secured connection of stator 30 Yu controller 40 was not only guaranteed, but also had prevented to stator winding 32 Structure impacts.Optionally, in process of production, the first mounting portion 31 and the second mounting portion 33 can be with stator insulating frames 35 Be integrally formed, can simplify manufacturing procedure, improve production efficiency or the first mounting portion 31 and the second mounting portion 33 can with it is fixed Insulating sublayer frame 35 is connected as one.For example, in some embodiments, the first mounting portion 31 and the second mounting portion 33 are respectively adopted The integrally plastic formation of the plastic materials such as PPT or PA6.

In some embodiments of the utility model, as shown in Figure 1, Figure 2 and Figure 7, controller 40 may include: mounting box 44 and electric-controlled plate 45, wherein mounting box 44 can be connected with the first mounting portion 31, to realize the company of controller 40 Yu stator 30 It connects.Electric-controlled plate 45 can be installed on mounting box 44, and electric-controlled plate 45 can be connected by wiring conducting wire 50 with stator winding 32, To power to stator module 32, and stator winding 32 is allow to work under the control of electric-controlled plate 45.

Further, as shown in Fig. 2, one end of mounting box 44 can be connected with the first mounting portion 31, mounting box 44 it is another One end can the protruding outer peripheral surface in rotor 20, electric-controlled plate 45 can be set to mounting box 44 extension on.

Electric-controlled plate 45 can be located at the radial outside of rotor 20 as a result, and during the work time, the rotation of rotor 20 can disturb Surrounding air can accelerate the heat dissipation of power device on electric-controlled plate 45 to form cross-ventilation, prevent 45 temperature of electric-controlled plate It is excessively high and damage.In the case where the radiating requirements of electric-controlled plate 45 are certain, if electric-controlled plate 45 is located at the radial outside of rotor 20, The volume that the cooling fin 451 of electric-controlled plate 45 can be reduced can reduce production cost even without setting cooling fin 451.Example Such as, in some instances, the volume of cooling fin 451 can reduce 15% or more.

It should be noted that " radial outside that electric-controlled plate 45 can be located at rotor 20 " refers to the radial direction in rotor 20 here On, electric-controlled plate 45 is located at the side of the axis of the separate rotor 20 of the outer peripheral surface of rotor 20, and in the axial direction of rotor 20, it is automatically controlled Plate 45 can be located at the side of the separate rotor 20 of the axial end face of rotor 20, can also be located at the court of the axial end face of rotor 20 A part of side or electric-controlled plate 45 to rotor 20 is located at the side towards rotor 20 of the axial end face of rotor 20, this It can accelerate the convection current of 45 surrounding air of electric-controlled plate, improve radiating efficiency.

In some embodiments, as shown in figs. 4 and 7, electric-controlled plate 45 can be set to the side of mounting box 44, mounting box 44 It can be equipped at least one thread jamming part 441 and threading hole 442, wiring conducting wire 50 can be drawn by the electric-controlled plate 45 of 44 side of mounting box Out, wiring conducting wire 50 is connected in thread jamming part 441 and draws from threading hole 442, and wiring conducting wire 50 is allow to be fixed on mounting box 44, Prevent wiring conducting wire 50 arbitrarily swing and influence reliability of electrical connection, wiring conducting wire 50 connect with stator winding 32 it is stronger, and And line is more orderly neat.

In the present invention, thread jamming part 441 includes but is not limited to Fig. 4 and cable clamp structure shown in fig. 7, thread jamming part The 441 setting position on mounting box 44 includes but is not limited to the side of Fig. 4 and mounting box shown in Fig. 7 44.For example, thread jamming part 441 can also be set to the side backwards to electric-controlled plate 45 of mounting box 44, it is only necessary to which meeting thread jamming part 441 can be used for being clamped wiring The requirement of conducting wire 50.

Some embodiments according to the present utility model, as depicted in figs. 1 and 2, external rotor electric machine 100 can also include clutch Device 60, clutch 60 may include clutch body 61 and clutch shaft 62.Wherein, clutch body 61 is located at rotor 20 Axial side, clutch shaft 62 are connected with clutch body 61, and clutch shaft 62 can run through the stator of stator 30 Hole 301 transmits the rotation of rotor 20 outward by clutch shaft 62 to connect with rotor 20.Optionally, such as Fig. 2 institute Show, rotor 20 can be connected and fixed by threaded fastener 70 and clutch shaft 62.

In addition, as shown in Fig. 2, the first mounting portion 31 can be stretched out to the axial side of rotor 20, in order to controller 40 It is connected with the first mounting portion 31, it is easy to connect, it is easily operated.It should be noted that the first mounting portion 31 can be to rotor 20 It stretches out, can also be stretched out to the axial side of the separate clutch 60 of rotor 20, this all exists close to the axial side of clutch 60 Within the protection scope of the utility model.

For example, in some embodiments, as depicted in figs. 1 and 2, stator 30 can be equipped with installation bulge loop 36, bulge loop is installed 36 can be along the circumferentially extending of stator 30, and installs the axial side that bulge loop 36 protrudes from rotor 20, and clutch 60 can be with It is connected with installation bulge loop 36, to realize the connection of stator 30 and clutch 60 from the circumferential direction of stator 30, connection is more stable, favorably In reduction vibrating noise.

Optionally, installation bulge loop 36 can be connected with clutch 60 by screw, week of multiple screws along installation bulge loop 36 To setting spaced apart, stator 30 is made to be connected firmly with clutch 60, the vibration in 100 course of work of external rotor electric machine can be reduced It is dynamic, and then reduce vibrating noise.

In addition, as shown in Figure 3 and Figure 4, installation bulge loop 36 can be equipped with notch 361, and the first mounting portion 31 can be with installation Bulge loop 36 is connected, and the first mounting portion 31 can be located at notch 361.Controller 40 can connect in motor body as a result, Between 10 and clutch 60, the first mounting portion 31 and installation bulge loop 36 are more compact, can both further decrease external rotor electric machine 100 Volume, reduce external rotor electric machine 100 axial length, and controller 40 protrude into notch 361 with 31 phase of the first mounting portion Lian Shi, notch 361 can limit the circumferential direction of controller 40, make controller 40 and 30 stable connection of stator.

Optionally, as shown in figure 4, notch 361 may include it is multiple, multiple notches 361 can along installation bulge loop 36 week To distribution, the first mounting portion 31 can be equipped at each notch 361, thread passing port 312 can be located therein one or several the One mounting portion 31, each first mounting portion 31 can be equipped with the first clamping portion 313, real with multiple positions in 30 circumferential direction of stator The clamping of existing stator 30 and controller 40, it is even a stronger reliable.

According to the utility model further embodiment, as depicted in figs. 1 and 2, controller 40 can be equipped with retention bead 46.After controller 40 is installed to stator 30, the end face towards stator 30 of clutch 60 can extend to the upper of retention bead 46 Side.As a result, in 100 course of work of external rotor electric machine, even if high vibration occurs, retention bead 46 can be with clutch 60 End face offsets, and to limit to controller 40, offsets impact force, prevents the generation of controller 40 from significantly shaking, is conducive to mention The mechanical stability of high controller 40 and the fixed structure of stator 30.

For example, clutch body 61 includes the first noumenon section and the second ontology in specific embodiment as shown in Figure 2 Section, wherein the radial dimension of the first noumenon section is greater than the radial dimension of the second body section, and clutch shaft 62 runs through the first noumenon Section and the second body section.When clutch 60 is connected with motor body 10, the second body section protrudes into stator hole 301, and clutch Shaft 62 is passed through stator 30 and is connected with the axial end wall of the separate clutch body 61 with rotor 20.The direction the of the first noumenon section The axial end face of two body sections offsets with installation bulge loop 36, and is connected by screw.The height and installation bulge loop of retention bead 46 36 axial end face is concordant, and when the first noumenon section is connected with installation bulge loop 36, retention bead 46 is located at the axial direction of the first noumenon section The lower section of end face.

According to other of the device for clothing processing of the utility model embodiment and external rotor electric machine 100 composition and operation pair For those of ordinary skill in the art be all it is known, be not detailed herein.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

In the description of this specification, the description of reference term " embodiment ", " specific embodiment ", " example " etc. means to tie Close at least one reality that the embodiment or example particular features, structures, materials, or characteristics described are contained in the utility model It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or show Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples It can be combined in any suitable manner.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (17)

1. a kind of external rotor electric machine characterized by comprising

Motor body, the motor body include rotor and stator, and the rotor has rotor hole, and the stator is set to described turn Sub-aperture and first mounting portion with the stretching rotor hole；

Controller, the controller are connected with first mounting portion and are electrically connected with the stator winding of the stator.

2. external rotor electric machine according to claim 1, which is characterized in that first mounting portion has wiring space, institute The outer surface for stating the first mounting portion is equipped with the thread passing port being connected to the wiring space, and the controller passes through wiring conducting wire and institute Stator winding electrical connection is stated, the stator winding and/or the wiring conducting wire are arranged in the thread passing port and the stator winding The wiring space is protruded into the connecting portion of the wiring conducting wire, the controller lid sets the thread passing port.

3. external rotor electric machine according to claim 2, which is characterized in that the stator winding and the wiring conducting wire pass through Terminal connection, the terminal snap fits into the wiring space.

4. external rotor electric machine according to claim 3, which is characterized in that it is cased with heat-shrinkable T bush outside the terminal, it is described fixed The terminals of the terminals of sub- winding and the wiring conducting wire are wrapped up by the heat-shrinkable T bush respectively.

5. external rotor electric machine according to claim 2, which is characterized in that the stator winding is three-phase windings, the mistake Line mouth is four, and three phase lead-out wires of the three-phase windings and common end are corresponding with four thread passing ports respectively.

6. external rotor electric machine according to claim 2, which is characterized in that the thread passing port is set to first mounting portion It stretches out on end face, the stretching side of first mounting portion is equipped with the first clamping portion, and the edge of the controller is equipped with and institute State the second clamping portion of the first clamping portion clamping.

7. external rotor electric machine according to claim 6, which is characterized in that the edge of the controller is equipped with to be prolonged to one side The first snap-gauge stretched, second clamping portion are the bayonet set on first snap-gauge, and first clamping portion is buckle, described The two sides of first snap-gauge be respectively equipped with lateral coaming plate with the controller edge and first snap-gauge cooperatively form groove, institute When stating buckle and bayonet clamping, first installation position is in the groove.

8. external rotor electric machine according to claim 6, which is characterized in that one end of the controller and first installation Portion is connected, and the other end of the controller extends outwardly beyond the stator, and the controller is additionally provided with third clamping portion, described Stator further include:

The second mounting portion of the rotor hole is stretched out, second mounting portion is equipped with the 4th card being clamped with the third clamping portion Socket part.

9. external rotor electric machine according to claim 8, which is characterized in that the controller is additionally provided with to one side extension Second snap-gauge, the third clamping portion are the bayonet set on second snap-gauge, and second mounting portion is equipped with step surface, described Step surface includes the first table top and the second table top positioned at the side of first table top, and the 4th clamping portion is set on described The junction of the buckle of the side of first table top, first table top and second table top is located at the card there are two setting The convex block of the two sides of button.

10. external rotor electric machine according to claim 8, which is characterized in that first mounting portion and second installation Portion is set to the stator insulating frame of the stator.

11. external rotor electric machine according to claim 1 to 10, which is characterized in that the controller includes:

Mounting box, the mounting box are connected with first mounting portion；

Electric-controlled plate, the electric-controlled plate are installed on the mounting box and are connected by wiring conducting wire with the stator winding.

12. external rotor electric machine according to claim 11, which is characterized in that one end of the mounting box and first peace Dress portion is connected, the protruding outer peripheral surface in the rotor of the other end of the mounting box, and the electric-controlled plate is set to the installation On the extension of box.

13. external rotor electric machine according to claim 11, which is characterized in that the electric-controlled plate is set to the one of the mounting box Side, the mounting box is equipped with the thread jamming part for being clamped the wiring conducting wire, is additionally provided with threading hole on the mounting box, described to connect Line conducting wire is drawn by the thread jamming part from the threading hole.

14. external rotor electric machine according to claim 1, which is characterized in that further include:

Clutch, the clutch include positioned at the rotor axial side clutch body and with the clutch body Connected clutch shaft, the clutch shaft through the stator stator hole to be connect with the rotor, described first Mounting portion is stretched out to the axial side of the rotor.

15. external rotor electric machine according to claim 14, which is characterized in that the stator be equipped with along its circumferentially extending and it is convex For the installation bulge loop of the axial side of the rotor, the clutch is connected with the installation bulge loop, and the installation bulge loop is set Jagged, first mounting portion is connected with the installation bulge loop and is located at the indentation, there.

16. external rotor electric machine according to claim 14, which is characterized in that the controller is equipped with for the control The retention bead that device is limited, the end face towards the stator of the clutch extend to the top of the retention bead.

17. a kind of device for clothing processing, which is characterized in that including external rotor electric described according to claim 1 any one of -16 Machine.