CN202721563U - Motor end cap and controller assembly - Google Patents

Abstract

The utility model relates to a motor end cap and a controller assembly, one side of a controller (200) is arranged on the outboard of an end cap (130), a thermal element (210) of the controller (200) is arranged on a controller panel (200a) close to the outboard of the end cap (130), a cooperation part (131) fixedly connected to the thermal element (210) is provided on the outboard of the end cap (130), the thermal element (210) is fixedly connected to the cooperation part (131), and the end cap (130) is prepared by a material with high heat conduction coefficient. According to the utility model, the thermal element of the controller and the motor end cap are directly and fixedly cooperated, the material with high heat conduction coefficient is prepared to obtain the end cap, and the end cap can be taken as a radiator of the controller, the heat radiation requirement of the controller is satisfied, the compact structure degree of the motor and the controller assembly can be substantially increased, the individual arrangement of the radiator can be simultaneously avoided, and the production cost is substantially reduced.

Description

A kind of electric motor end cap and controller assemblies

Technical field

The utility model relates to a kind of electric motor end cap and controller assemblies.

Background technology

As everyone knows, in the driving field of electromechanical equipment, generally motor is installed in the electromechanical equipment driver part as electromechanical equipment, in actual applications, how to improve motor in electromechanical equipment, such as compact conformation degree, operating efficiency, the operation torque in the washing machine, guarantee protection and the universal performance of motor, and the reduction manufacturing cost is that those skilled in the art needs the constantly technical problem of solution always.Take washing machine driving field as example, motor is installed in washing machine internal as the driver part of washing machine, the controller of control motor operation generally is connected with motor by cable assembly at present, be motor and controller be separate type be separately positioned on the diverse location of washing machine, take larger installing space, be unfavorable for compact conformation, the simultaneously use of cable assembly has further increased again cost.

In order to improve the compact conformation degree, reduce simultaneously cost, existing cancellation cable assembly connects and adopts the correlation technique of integrated motor and controller assemblies, because the heat resisting temperature of controller generally is lower than the heat resisting temperature of motor, therefore when motor is connected with the controller integral configuration, must adopt heat abstractor that motor is directly delivered to the heat of controller or because the heat that the element heating of controller own produces in time passes, guarantees that controller is not burned.Simultaneously for protection controller, as avoid from water or dust or other factors the damage of its generation is generally installed additional protecting sheathing at controller and realized this purpose.Be that the Chinese patent of CN101268228A discloses a kind of integrative motor for horizontal axis washer and controller assemblies such as publication number; controller assemblies is installed on the electric motor end cap; and locate radiator at motor, also be provided with cover plate of outer casing and package header with Time Controller and form the protection housing and come the protection controller body.Although realized the function of protection controller; avoid from the damage to its generation of water or dust or other factors; but the circulation of air situation is relatively poor; radiating effect is restricted; the heat radiation requirement that complicated radiator structure could satisfy controller need to be set on end cap specially; technical difficulty is large, the heat radiation cost is high, and the combination that is provided with simultaneously cover plate of outer casing and package header has further increased again manufacturing or processing cost.Although therefore existing integrated motor and controller assemblies have improved the structure compactness to a certain extent; but because radiator is respectively two independently parts with the protection housing; still take larger installing space; structure is compact not, and the manufacturing cost of the protection housing that is comprised of the combination of cover plate of outer casing and package header simultaneously is higher.

In addition, motor of the prior art distributes at stator module, rotor assembly and stator winding and all has more various technical problems, and these technical problems have caused the inefficiency of motor, operation torque is little, electromagnetic noise is large etc., and manufacturing cost is high simultaneously.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of electric motor end cap and controller assemblies, compact conformation and low cost of manufacture.

The technical solution of the utility model is:

A kind of motor and controller assemblies, comprise motor, controller, controller directly is installed on the motor, motor comprises stator module, the rotor assembly that is combined as a whole with rotating shaft, the end cap that at least one fixed stator assembly is used, but rotor assembly relative stator assembly rotation, controller comprises the software of control motor operation, wherein: described controller one side is fixedly mounted on the described end cap outside, the heater element of controller is arranged near on the controller board face outside the end cap, the end cap outside is provided with the component that is fixedly connected with heater element, heater element is fixedly connected with component, and described end cap is prepared from by the high material of conductive coefficient.Rotating shaft described in the utility model is as the clutch end of motor, be used for transmission of power to subordinate's parts, be specifically as follows: rotating shaft can be delivered to load by belt pulley, reducing gear, also can directly drive load, these are those skilled in the art's routine techniques means, this no longer literal give unnecessary details, simultaneously these do not belong to flesh and blood of the present utility model yet.

A kind of electric motor end cap and controller assemblies, described controller comprises the software of control motor operation, controller directly is installed on the end cap, wherein: described controller one side is fixedly mounted on the described end cap outside, the heater element of controller is arranged near on the controller board face outside the end cap, the end cap outside is provided with the component that is fixedly connected with heater element, and heater element is fixedly connected with component, and described end cap is prepared from by the high material of conductive coefficient.

Logical heater element and the direct secure fit of electric motor end cap that proposes controller of the utility model, the end cap that realization will be prepared from by the high material of conductive coefficient is simultaneously as the radiator of controller, can satisfy the radiating requirements of controller, not only greatly improved the compact conformation degree of motor and controller assemblies, that avoids simultaneously prior art arranges separately radiator, greatly reduces production cost.

Need to prove that controller described in the utility model is frequency converter, motor described in the utility model and controller assemblies are conventional described variable-frequency motor.

Further preferably, the material that conductive coefficient described in the utility model is high can be aluminium, also can be other suitable materials; One go on foot preferably, described end cap is specifically as follows cast-aluminum end cover again; Particularly, described aluminum can be that model is the aluminum of A380, ADC12, can be allumen also, and radiating effect is better.

Preferably, be provided with heat-conducting medium between described heater element and the component, the heat of heater element in time, be delivered on the end cap by heat-conducting medium to express delivery is guaranteed radiating effect; Preferably, described heat-conducting medium can be conducting strip, and the material of conducting strip can be aluminium, also can be heat-conducting glue.

Preferably, described component can be boss or groove, and the shape of described boss and groove can match with the shape of the heater element of controller.

Preferably, described controller is single sided board, specifically can be, described controller board face near the end cap outside is the arrangement of conductors face, is non-arrangement of conductors face away from the controller board face outside the end cap.Single sided board described in the utility model refers to mainly that as the conventional term of this area the arrangement of conductors face only is distributed in a plate face of controller, and the arrangement of conductors face can adopt the copper cash etching to form.

Here also need to prove, because the utility model is with the heater element that needs on the controller board face to switch on, all be arranged near on the controller board face outside the end cap such as parts such as IPM module, rectifying devices, and directly be fixedly connected with component on the end cap outside, directly with the radiator of end cap as the heater element of controller, therefore controller described in the utility model is made as single sided board and gets final product, relatively all adopt the controller of double sided board in the prior art, greatly reduced the production cost of controller.

Preferably, described controller opposite side is fixedly connected with the controller cover plate, and the controller cover plate is guaranteed the water resistance of controller mainly as the waterproof part of controller, certainly, has also possessed simultaneously the barrier propterty of controller; Further preferably, also be provided with 1 or several thermal windows on the described controller cover plate, the direction of described thermal window deviates from outside current inflow direction, and thermal window can promote circulation of air, strengthens radiating effect.The concrete shape of controller cover plate described in the utility model and thermal window can choose at random according to the actual requirements.Further preferably, can drainage component be set at the controller cover plate, prevent that current from directly or indirectly entering thermal window.

Preferably, described end cap is provided with the installation foot that being used for more than 2 or 2 cooperates with the external component installation; More preferably, the quantity of described installation foot is 2-4, is convenient to the installation of motor and external component.Described external component can be washing machine.

Preferably, described rotating shaft one end end is fixed with magnetic ring component, controller board face near the end cap outside is provided with Hall subassembly, Hall subassembly and magnetic ring component closely are coupled, with respect to " Hall subassembly is positioned at away from the controller board face outside the end cap; need to hold the hole that rotating shaft is extended controller setting simultaneously; could realize being positioned at the magnetic ring component of rotating shaft one end end and the closely coupling of Hall subassembly; the drilling technology of controller is not only complicated; simultaneously longer for the length requirement of rotating shaft " of the prior art, the utility model need not to punch at controller panel, manufacturing process is simple, greatly reduce simultaneously shaft length, further reduced production cost.Here need to prove also that rotating shaft end side described in the utility model is connected with subordinate parts as the clutch end of motor.

Preferably, described magnetic ring component is to carry out the one magnet ring moulding that obtains after the injection moulding by the magnet ring body, and described magnet ring body is fixed on rotating shaft one end end by moulding, and described moulding is convenient to fixing in rotating shaft of magnet ring body.

Preferably, described motor is four utmost point motors, and described stator module comprises the stator core with stator slot, and the stator winding that is positioned at stator slot; Described stator core is overrided to form by the toroidal stator punching that several have circular hole in the stator, described stator punching stator inner circle hole circle on week radial equipartition 24 stator tooths are arranged, form 24 stator slots between each adjacent stators tooth; Described stator punching external diameter scope is at 111-115mm, and described stator punching inside diameter ranges is at 65-70mm.When the motor in motor described in the utility model and the controller assemblies is four utmost point motors, namely consist of four utmost point variable-frequency motors.

A kind of four utmost point variable-frequency motor stator punchings, described stator punching has circular hole in the stator, stator inner circle hole circle on week radial equipartition a plurality of stator tooths are arranged, form stator slot between the adjacent stators tooth, wherein: described stator punching external diameter scope is at 111-115mm, and described stator punching inside diameter ranges is at 65-70mm; Preferably, the quantity of described stator slot is 24.

Preferably, described stator tooth wide region is at 5.0-5.4mm, at the bottom of the stator slot with the high scope of equivalent yoke of stator punching excircle at 7.2-9.5mm, the stator rabbet scope is at 1.8-2.2mm.

Four utmost point variable-frequency motors that the utility model provides are few with the material usage of stator punching, production cost is low, assembly technology is simple, and four utmost point variable-frequency motors that provide of the utility model are applied to greatly enlarge behind four utmost point variable-frequency motors driving frequency scope of motor with stator punching, reduced operating noise, simultaneously Effective Raise operation torque and the operating efficiency of four utmost point variable-frequency motors, namely under the prerequisite that satisfies identical motor performance, greatly saved power consumption, namely four utmost point variable-frequency motors that provide of the utility model have farthest guaranteed the reasonable output of four utmost point variable-frequency motor performances with stator punching.

Preferably, described stator punching excircle is provided with at least 2 blankings side cuts; Most preferably, described stator punching excircle is provided with 6 blankings side cuts.

Preferably, the discharging structure of described stator punching can be by the following technical solutions:

A kind of motor stator punching discharging structure, described stator punching excircle is provided with at least 2 blankings and cuts edge, wherein: at least one blanking of described stator punching a blanking of stator punching that can be identical with another contact of cutting edge of cutting edge connects to be the normotopia spread geometry at the punching material, and at least one blanking of described stator punching is cut edge and can be connected with the shape that is dislocation arrangement at the punching material with the contact of cutting edge of a blanking of another identical stator punching again.

Preferably, the quantity of described blanking side cut is 6; Further preferably, the blanking of the stator punching identical with other contact of cutting edge of cutting edge respectively of 2 of described stator punching blankings connects to be the normotopia shape and arranges; Described 4 blankings side cut respectively blanking of the stator punching identical with other is cut edge the contact connection to be the arrangement of dislocation shape.

Preferably, also be provided with one or more punching material location holes on the described stator punching excircle, the mould location of position when can be used for carrying out stator punching punching material anticipated in described punching; Specifically preferably, described punching material location hole can be 2.

The utility model utilization arranges the Heterogeneous Permutation that blanking cut edge to be realized stator punching at stator punching, farthest improves the utilance of punching material, and punching material technique is simple and convenient.

Here need to prove, the motor stator punching discharging structure that the utility model provides does not limit to and is applied to stator laminating structure described in the utility model, the literal that satisfies the utility model said motor stator punching discharging structure limits as long as the blanking of stator punching is cut edge, can according to the actual requirements, be applied to the stator punching of other any one type or structure; Natch, select stator laminating structure described in the utility model and all the other structures identical or parts that communicate, result of use is better.

Preferably, be evenly equipped with the installation through hole with the electric motor end cap secure fit of being used for more than 2 or 2 on the described stator punching excircle; More preferably, the quantity of described installation through hole is 3, guarantees the stable installation of stator module and electric motor end cap, and is simultaneously simple and convenient.

Preferably, described stator punching excircle is provided with the first projection and the second projection, and the first projection links to each other with the second projection, and connecting place forms installs through hole; Further preferably, the quantity of described installation through hole is 3.

Preferably, also be provided with several welding holes on the described stator punching excircle; More preferably, the quantity of described welding hole is 6.

Preferably, described welding hole is positioned on described the first lug and the second lug; More preferably, be respectively equipped with 1 welding hole on the first lug and the second lug.

Preferably, described stator winding is by U, V, W three phase compositions, and the employing two layer winding.

A kind of four utmost point variable frequency motor stator assemblies, described stator module comprises the stator core with stator slot, and the stator winding that is positioned at stator slot, described stator core is overrided to form by the toroidal stator punching that several have circular hole in the stator, described stator punching stator inner circle hole circle on week radial equipartition a plurality of stator tooths are arranged, form stator slot between the adjacent stators tooth, described stator winding is by U, V, W three phase compositions, wherein: the quantity of described stator slot is 24, and described stator winding adopts two layer winding.

Preferably, described two layer winding refers to that every phase stator winding has 4 cover coils, and every cover coil of each phase comprises again a large coil and a small coil.

Preferably, the winding pitch of the large coil of described each phase is 7, the winding pitch of the small coil of each phase is 5, each goes up the lower component outline of large coil of a cover coil mutually, and mutually next overlaps the same groove of lower component outline of the small coil of coil with each, each goes up the lower component outline of small coil of a cover coil mutually, and mutually next overlaps the same groove of lower component outline of the large coil of coil with each, realized simply the same groove homopolarity of the stator module of two layer winding, homopolarity is adjacent, guaranteed that effectively when stator winding electrifying, the sense of current of stator winding has also formed with groove in the same way.

Preferably, described stator punching external diameter scope is at 111-115mm, and described stator punching inside diameter ranges is at 65-70mm.

Four utmost point variable frequency motor stator assemblies of the double-deck stator winding formula that the utility model provides have improved the utilance of ground motor winding greatly, avoided the wastage of stator winding in the stator module end, and guaranteed effectively that by the 24 groove two layer winding distributed architectures that the utility model provides four utmost point variable-frequency motors can have enough power outputs and delivery efficiency when the high frequency, reduce again simultaneously the output voltage of frequency converter, greatly reduced manufacturing cost and the use cost of motor.

Here need to prove, stator winding structure in four utmost point variable frequency motor stator assemblies that the utility model provides does not limit to and is applied to four utmost point frequency conversion motor structures described in the utility model, as long as satisfying the literal of above-mentioned four utmost point variable frequency motor stator assemblies of the utility model, stator module limits, can according to the actual requirements, be applied to four utmost point variable-frequency motors of other any one type or structure; Natch, select four utmost point frequency conversion motor structures described in the utility model, result of use is better.

Preferably, described rotor assembly can be by the following technical solutions:

A kind of variable-frequency motor rotor assembly, comprise that rotor core and one are positioned at the cast aluminium end ring at rotor core two ends, described rotor core is overrided to form by torsional angle by the toroidal rotor punching that several have circular hole in the rotor, wherein: uniform several of the described rotor punching periphery peariform slot of remaining silent, described rotor punching external diameter scope is at 67-69mm.

Described torsional angle laminates the conventional term as this area, belongs to the routine techniques that punching laminates, so its concrete technology does not repeat them here.Rotor core described in the utility model obtains after laminating by the rotor punching torsional angle, is used for suppressing synchronous torque and the additional torque of motor, can also reduce electric and magnetic oscillation, the reduction noise of motor simultaneously, improves the starting performance of motor; Circular hole is used for holding rotating shaft in the described rotor, and its size range cooperates setting according to the size of rotating shaft.

Preferably, the quantity of the described peariform slot of remaining silent is 33.

Preferably, the described peariform slot facewidth scope of remaining silent is at 3.5-3.9mm, and the peariform slot top width degree scope of remaining silent is at 2.2-3mm, and the peariform slot bottom width of remaining silent degree scope is at 0.7-1.2mm, and depth bounds is at 7-10mm in the peariform slot of remaining silent.

Preferably, described cast aluminium end ring thickness range is at 12-16mm, and cast aluminium end ring altitude range is at 14-17mm.

The purpose of the variable-frequency motor rotor assembly that the utility model provides is that motor rotor component is obtained desirable rotor resistance, thereby after guaranteeing that described motor rotor component is applied to variable-frequency motor, realize that variable-frequency motor can have in the larger power output when high frequency, enough output torques and delivery efficiency are arranged again when low frequency.

Here need to prove, the variable-frequency motor rotor assembly that the utility model provides is not limited to and is applied to electric machine structure described in the utility model, as long as satisfying the literal of the above-mentioned variable-frequency motor rotor assembly of the utility model limits, can according to the actual requirements, be applied to the motor of other any one type or structure; Natch, as the electric machine structure of selecting the utility model to provide, such as the structure of stator module, result of use is better.

External component described in the utility model can be a kind of in the electromechanical equipment, owing to compact conformation of the present utility model, especially be fit to be applied to the washing machine field, is specifically as follows rotary drum washing machine and roller washing machine, also can be the washing machine of other types.

Fixed installation described in the utility model or the mode that is fixedly connected with can be any one fastening means in the prior art, preferably, and for screw fastening connects.

Operation principle of the present utility model and advantage:

(1), the utility model is by heater element and the direct secure fit of electric motor end cap with controller, the end cap that realization will be prepared from by the high material of conductive coefficient is simultaneously as the radiator of controller, can satisfy the radiating requirements of controller, not only greatly improved the compact conformation degree of motor and controller assemblies, avoid simultaneously radiator is set separately, greatly reduce production cost.

(2), since the utility model with the heater element that needs on the controller to switch on, all be arranged near on the controller board face outside the end cap such as parts such as IPM module, rectifying devices, and directly be fixedly connected with component on the end cap outside, directly with the radiator of end cap as the heater element of controller, therefore controller described in the utility model is made as single sided board and gets final product, the relative controller of available technology adopting double sided board has greatly reduced the production cost of controller.

(3), four utmost point variable-frequency motors that the utility model provides are few with the material usage of stator punching, production cost is low, assembly technology is simple, and four utmost point variable-frequency motors that provide of the utility model are applied to greatly enlarge behind four utmost point variable-frequency motors driving frequency scope of motor with stator punching, reduced operating noise, simultaneously Effective Raise operation torque and the operating efficiency of four utmost point variable-frequency motors, namely under the prerequisite that satisfies identical motor performance, greatly saved power consumption, namely four utmost point variable-frequency motors that provide of the utility model have farthest guaranteed the reasonable output of four utmost point variable-frequency motor performances with stator punching.

(4), four utmost point variable frequency motor stator assemblies of the double-deck stator winding formula that provides of the utility model have improved the utilance of ground motor winding greatly, avoided the wastage of stator winding in the stator module end, and guaranteed effectively that by the 24 groove two layer winding distributed architectures that the utility model provides four utmost point variable-frequency motors can have enough power outputs and delivery efficiency when the high frequency, reduce again simultaneously the output voltage of frequency converter, greatly reduced manufacturing cost and the use cost of motor.

(5), the utility model utilization arranges the Heterogeneous Permutation that blanking cut edge to be realized stator punching at stator punching, farthest improve the utilance of punching material, and punching material technique is simple and convenient.

(6), the purpose of the variable-frequency motor rotor assembly that provides of the utility model is that motor rotor component is obtained desirable rotor resistance, thereby after guaranteeing that described motor rotor component is applied to variable-frequency motor, realize that variable-frequency motor can have in the larger power output when high frequency, enough output torques and delivery efficiency are arranged again when low frequency.

Description of drawings

Accompanying drawing 1 is the structural representation of the described motor of a kind of embodiment of the utility model and controller assemblies;

Accompanying drawing 2 is stereochemical structure explosive views of accompanying drawing 1;

Accompanying drawing 3 is structural representations of the described electric motor end cap of a kind of embodiment of the utility model and controller assemblies;

Accompanying drawing 4 is stereochemical structure explosive views of accompanying drawing 3;

Accompanying drawing 5 is end cover structure schematic diagrames of accompanying drawing 3;

Accompanying drawing 6 is the described stator module structural representations of a kind of embodiment of the utility model;

Accompanying drawing 7 is described four utmost point variable-frequency motor stator laminating structure schematic diagrames of a kind of embodiment of the utility model;

Accompanying drawing 8 is A place structure enlarged diagrams in the accompanying drawing 7;

Accompanying drawing 9 is discharging structure schematic diagrames of stator punching shown in the accompanying drawing 7;

Accompanying drawing 10 is stator winding distribution maps of described four utmost point variable-frequency motors of a kind of embodiment of the utility model;

Accompanying drawing 11 is the described rotor component construction schematic diagrames of a kind of embodiment of the utility model;

Accompanying drawing 12 is phantoms of accompanying drawing 11;

Accompanying drawing 13 is structural representations of rotor punching shown in the accompanying drawing 11;

Reference numeral: motor 100, stator module 110, stator punching 111, circular hole 111-1 in the stator, stator tooth 111-2, stator slot 111-3, through hole 111-4 is installed, blanking side cut 111-5,111-5a, 111-5b, 111-5c, 111-5d, 111-5e, 111-5f, the first protruding 111-6, the second protruding 111-7, welding hole 111-8, punching material location hole 111-9, stator punching external diameter Ф D1, stator punching internal diameter Ф Di1, stator facewidth t1, the high hc1 of equivalence yoke, stator rabbet Bs0, large coil Q1, small coil Q2, rotor assembly 120, rotor punching 121, circular hole 121-1 in the rotor, peariform slot 121-2 remains silent, rotor punching external diameter Ф D2, the peariform slot facewidth of remaining silent t2, peariform slot top width degree Br2 remains silent, the peariform slot bottom width of remaining silent degree Br3, the interior degree of depth h2 of the peariform slot of remaining silent, cast aluminium end ring 122, cast aluminium end ring thickness Dk, cast aluminium end ring height H, end cap 130, front end housing 130a, rear end cap 130b, component 131, installation foot 132, rotating shaft 140, magnetic ring component 150, Hall subassembly 160, controller 200, controller board face 200a near the end cap outside, controller board face 200b away from the end cap outside, heater element 210, conducting strip 212, controller cover plate 220, thermal window 221.

Embodiment

It is pointed out that at first it is to be arranged in figure and parts position each other defines with parts among Fig. 1 to Figure 13 that relate to upper and lower waited the noun of locality herein, just in order to explain the clear of technical scheme and conveniently.Should be appreciated that the noun of locality that this paper adopts should not limit the scope that present specification is asked for protection.

Embodiment 1, referring to Fig. 1,2, and combination is with reference to figure 3,4,5, a kind of motor and controller assemblies, comprise motor 100, the controller 200 of control motor operation, controller 200 directly is installed on the motor 100, motor comprises stator module 110, the rotor assembly 120 that is combined as a whole with rotating shaft 140, the front end housing 130a of two fixed stator assembly 110 usefulness and rear end cap 130b, but rotor assembly 120 relative stator assemblies 110 rotations, wherein: described controller 200 1 sides are fixedly mounted on the described rear end cap 130b outside, the heater element 210 of controller 200 is arranged near on the controller board face 200a outside the rear end cap 130b, the rear end cap 130b outside is provided with the component 131 that is fixedly connected with heater element 210, and heater element 210 is fixedly connected with component 131 by conducting strip 212; Described front end housing 130a and rear end cap 130b are cast-aluminum end cover; Described controller 200 is single sided board, and being specially described controller board face 200a near the rear end cap 130b outside is the arrangement of conductors face, is non-arrangement of conductors face away from the controller board face 200b outside the rear end cap 130b; Described controller 200 opposite sides are fixedly connected with controller cover plate 220, also are provided with several thermal windows 221 on the described controller cover plate 220; Described front end housing 130a and rear end cap 130b are equipped with 2 and are used for external component the installation foot 132 that cooperates being installed; Described rotating shaft 140 1 end ends are fixed with magnetic ring component 150, controller board face 200a near the rear end cap 130b outside is provided with Hall subassembly 160, Hall subassembly 160 closely is coupled with magnetic ring component 150, described magnetic ring component 150 is to carry out the one magnet ring moulding that obtains after the injection moulding by the magnet ring body, and described magnet ring body is fixed on rotating shaft 140 1 end ends by moulding.

Embodiment 2, a kind of motor and controller assemblies, described external component is washing machine, described rotating shaft 140 other end ends are connected with belt pulley (scheming unmarked), by belt pulley transmission of power are arrived reducing gear, are delivered to wash shaft and the dehydrating shaft of washing machine by slowing-down structure again; Washing shaft and the dehydrating shaft of washing machine also can be directly optionally arrived transmission of power in rotating shaft by clutch, these all belong to the common practise of this area, give unnecessary details no longer one by one at this, and all the other can be with embodiment 1.

Embodiment 3, referring to Fig. 3,4,5, and combination is with reference to figure 1,2, a kind of electric motor end cap and controller assemblies, described controller 200 comprises the software of control motor 100 operations, controller 200 directly is installed on the end cap 130, wherein: described controller 200 1 sides are fixedly mounted on described end cap 130 outsides, the heater element 210 of controller 200 is arranged near on the controller board face 200a in end cap 130 outsides, end cap 130 outsides are provided with the component 131 that is fixedly connected with heater element 210, and heater element 210 is fixedly connected with component 131; Described component 131 is boss, and the shape of boss matches with the shape of the heater element of controller 210; Described controller 200 is single sided board, and being specially described controller board face 200a near end cap 130 outsides is the arrangement of conductors face, is non-arrangement of conductors face away from the controller board face 200b in end cap 130 outsides; Described end cap 130 is cast-aluminum end cover; Described controller 200 opposite sides are fixedly connected with controller cover plate 220; Also be provided with several thermal windows 221 on the described controller cover plate 220, the direction of described thermal window 221 deviates from outside current inflow direction; Described end cap 130 is provided with 2 and is used for external component the installation foot 132 that cooperates being installed; Described rotating shaft 140 1 end ends are fixed with magnetic ring component 150, and the controller board face 200a in close end cap 130 outsides is provided with Hall subassembly 160, and Hall subassembly 160 closely is coupled with magnetic ring component 150; Described magnetic ring component 150 is to carry out the one magnet ring moulding that obtains after the injection moulding by the magnet ring body, and described magnet ring body is fixed on rotating shaft 140 1 end ends by moulding, and all the other can be with embodiment 1 or embodiment 2.

Embodiment 4, a kind of electric motor end cap and controller assemblies are provided with heat-conducting glue between described heater element 210 and the component 131, and all the other can be with embodiment 1 or embodiment 2 or embodiment 3.

Embodiment 5, referring to Fig. 7,8, a kind of four utmost point variable-frequency motor stator punchings, described stator punching 111 has circular hole 111-1 in the stator, radial equipartition has 24 stator tooth 111-2 on the circular hole 11-1 circumference in stator, form 24 stator slot 111-3 between each adjacent stators tooth 111-2, wherein: described stator punching external diameter Ф D1 scope is at 111-115mm, and described stator punching internal diameter Ф Di1 scope is at 65-70mm; Described stator facewidth t1 scope is at 5.0-5.4mm, at the bottom of the stator slot 111-3 with the high hc1 scope of equivalent yoke of stator punching 111 excircles at 7.2-9.5mm, stator rabbet Bs0 scope is at 1.8-2.2mm; Described stator punching 111 excircles are provided with 6 blanking side cut 111-5; Described stator punching 111 excircles are provided with the first protruding 111-6 and the second protruding 111-7, and the first protruding 111-6 links to each other with the second protruding 111-7, and connecting place forms installs through hole 111-4; The quantity of described installation through hole 111-4 is 3; Be respectively equipped with 1 welding hole 111-8 on the described first protruding 111-6 limit and the second protruding 111-7 limit, all the other can be with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4, thereby obtains new embodiment.

Embodiment 6, referring to Fig. 9, a kind of motor stator punching discharging structure, described stator punching 111 excircles are provided with 6 blanking side cut 111-5, and wherein: 2 blanking side cut 111-5a, 111-5b of the described stator punching 111 respectively blanking side cut 111-5 contact of the stator punching 111 identical with other connect to be the arrangement of normotopia shape; Described 4 blanking side cut 111-5c, 111-5d, 111-5e, 111-5f respectively the blanking side cut 111-5 contact of the stator punching 111 identical with other connect to be the arrangement of dislocation shape; Also be provided with 2 punching material location hole 111-9 on described stator punching 111 excircles, all the other can be with any one embodiment among the embodiment 1-5, thereby obtains new embodiment.

Embodiment 7, referring to Fig. 6,10, a kind of four utmost point variable frequency motor stator assemblies, described stator module 110 comprises the stator core with stator slot 111-3, and the stator winding (Fig. 6 is not shown) that is positioned at stator slot 111-3, described stator core is overrided to form by the toroidal stator punching 111 that several have circular hole 111-1 in the stator, described stator punching 111 in stator on the circular hole 111-1 circumference radial equipartition 24 stator tooth 111-2 are arranged, form 24 stator slot 111-3 between each adjacent stators tooth 111-2, described stator winding is by U, V, W three phase compositions, wherein: described stator winding adopts two layer winding; Described two layer winding refers to that every phase stator winding has 4 cover coils, and every cover coil of each phase comprises again a large coil Q1 and a small coil Q2; The winding pitch of the large coil Q1 of described each phase is 7, the winding pitch of the small coil Q2 of each phase is 5, each goes up the lower component outline of large coil Q1 of a cover coil mutually, and mutually next overlaps the same groove of lower component outline of the small coil Q2 of coil with each, each goes up the lower component outline of small coil Q2 of a cover coil mutually, and mutually next overlaps the same groove of lower component outline of the large coil Q1 of coil with each, all the other can be with any one embodiment among the embodiment 1-6, thereby obtains new embodiment.

Embodiment 8, referring to Figure 11,12,13, a kind of variable-frequency motor rotor assembly, comprise that rotor core and one are positioned at the cast aluminium end ring 122 at rotor core two ends, described rotor core is overrided to form by torsional angle by the toroidal rotor punching 121 that several have circular hole 121-1 in the rotor, wherein: uniform 33 the peariform slot 121-2 that remain silent of described rotor punching 121 peripheries; Described rotor punching external diameter Ф D2 scope is at 67-69mm; The described peariform slot facewidth t2 scope of remaining silent is at 3.5-3.9mm, and the peariform slot top width degree Br2 scope of remaining silent is at 2.2-3mm, and the peariform slot bottom width of remaining silent degree Br3 scope is at 0.7-1.2mm, and degree of depth h2 scope is at 7-10mm in the peariform slot of remaining silent; Described cast aluminium end ring thickness Dk scope is at 12-16mm, and cast aluminium end ring height H scope is at 14-17mm, and all the other can be with any one embodiment among the embodiment 1-7, thereby obtains new embodiment.

Above embodiment gropes through the applicant's great many of experiments, simultaneously after the basic principle in conjunction with motor, concrete size for the structure everywhere of stator punching 111, rotor punching 121 has provided most preferred size range, natch, with the akin size of the above size range that provides, as it is feasible equally to be below or above the size range that above-described embodiment provides, but the obvious variation of implementation result.

For shown in the present embodiment accompanying drawing and the structure of not carrying out explanatory note believes it is those skilled in the art's routine techniques means or common practise, believe that these structures are not possess novelty and creationary, therefore at this these component no longer are carried out literal one by one and give unnecessary details.

The above embodiment of the utility model is preferred embodiment, and the utility model is not limited to above-mentioned specific embodiment, and it also has a lot of the variation or remodeling, does not break away from connotation of the present utility model and scope, all belongs to protection range of the present utility model.

Claims (10)

1. an electric motor end cap and controller assemblies, described controller (200) comprises the software of control motor (100) operation, controller (200) directly is installed on the end cap (130), it is characterized in that: described controller (200) one sides are fixedly mounted on described end cap (130) outside, the heater element (210) of controller (200) is arranged near on the controller board face (200a) outside the end cap (130), end cap (130) outside is provided with the component (131) that is fixedly connected with heater element (210), heater element (210) is fixedly connected with component (131), and described end cap (130) is prepared from by the high material of conductive coefficient.

2. electric motor end cap as claimed in claim 1 and controller assemblies, it is characterized in that: described controller (200) is single sided board.

3. electric motor end cap as claimed in claim 1 or 2 and controller assemblies, it is characterized in that: described end cap (130) is cast-aluminum end cover.

4. electric motor end cap as claimed in claim 1 or 2 and controller assemblies is characterized in that: be provided with heat-conducting medium between described heater element (210) and the component (131).

5. electric motor end cap as claimed in claim 1 or 2 and controller assemblies, it is characterized in that: described controller (200) opposite side is fixedly connected with controller cover plate (220).

6. electric motor end cap as claimed in claim 1 or 2 and controller assemblies, it is characterized in that: described component (131) is boss or groove, and the shape of described boss and groove matches with the shape of the heater element of controller (210).

7. electric motor end cap as claimed in claim 5 and controller assemblies, it is characterized in that: also be provided with 1 or several thermal windows (221) on the described controller cover plate (220), the direction of described thermal window (221) deviates from outside current inflow direction.

8. electric motor end cap as claimed in claim 1 or 2 and controller assemblies is characterized in that: described end cap (130) is provided with being used for more than 2 or 2 and with external component the installation foot (132) that cooperates is installed.

9. electric motor end cap as claimed in claim 1 or 2 and controller assemblies, it is characterized in that: described rotating shaft (140) one end ends are fixed with magnetic ring component (150), controller board face (200a) near end cap (130) outside is provided with Hall subassembly (160), and Hall subassembly (160) closely is coupled with magnetic ring component (150).

10. electric motor end cap as claimed in claim 9 and controller assemblies, it is characterized in that: described magnetic ring component (150) is to carry out the one magnet ring moulding that obtains after the injection moulding by the magnet ring body, and described magnet ring body is fixed on rotating shaft (140) one end ends by moulding.

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