CN110857502A - Motor assembly and washing machine - Google Patents

Motor assembly and washing machine Download PDF

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Publication number
CN110857502A
CN110857502A CN201810912052.4A CN201810912052A CN110857502A CN 110857502 A CN110857502 A CN 110857502A CN 201810912052 A CN201810912052 A CN 201810912052A CN 110857502 A CN110857502 A CN 110857502A
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CN
China
Prior art keywords
stator
motor
mounting
electric machine
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810912052.4A
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Chinese (zh)
Inventor
陈金涛
张兆强
赵建兴
吴迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Guangdong Welling Motor Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Guangdong Welling Motor Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd, Guangdong Welling Motor Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201810912052.4A priority Critical patent/CN110857502A/en
Publication of CN110857502A publication Critical patent/CN110857502A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • D06F37/304Arrangements or adaptations of electric motors

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The invention provides a motor assembly and a washing machine, wherein the motor assembly comprises: the barrel is provided with an arched mounting opening; the rotating shaft is arranged in the cylinder body and comprises a mounting plate arranged opposite to the mounting port, and a plurality of first connecting ports which are circumferentially distributed are arranged on the mounting plate; the motor can be installed in the barrel through the installing port, and the motor includes motor stator and electric motor rotor, and motor stator includes a plurality of stator modules of arranging along circumference, is provided with the second connection interface that can be connected along the axial cooperation with first connection interface along the axial on stator module's the terminal surface, and a plurality of second connection interfaces are arranged along circumference to make motor stator fix on the mounting panel, and the electric motor rotor cover is established in motor stator's inboard, and is connected with the pivot. Through the technical scheme of the invention, the outer diameter of the stator can be enlarged under the condition of not changing the hole at the back of the washing machine box body so as to improve the torque density of the motor, and the stator can be conveniently disassembled and assembled so as to reduce the maintenance cost.

Description

Motor assembly and washing machine
Technical Field
The invention relates to the field of motors, in particular to a motor assembly and a washing machine.
Background
The current common installation form of the direct drive motor of the washing machine is shown in fig. 1, the motor adopts an outer rotor configuration, a spline is arranged on a rotating shaft 112 of a motor rotor 104, the spline of the rotor is directly clamped on the spline and then axially fixed by a rotor fixing bolt 102, and a motor stator 108 is directly fixed on a washing machine outer barrel 110 of a washing machine body 114 by an axial stator fixing bolt 106.
During maintenance, firstly, the rotor bolt is unscrewed, the rotor covering the stator is taken down, then the stator bolt is unscrewed, and the stator is taken down, because the maximum outer diameter of the motor is limited by the size of the mounting hole formed in the back part of the barrel body of the washing machine, the mounting mode of the motor has the following defects:
(1) the motor is only suitable for occasions that the maximum outer diameter of the motor is smaller than the aperture of the mounting hole formed in the back, so that the radial size of the motor is limited, and a large-diameter motor with higher torque density cannot be adopted, and the operation efficiency of the washing machine is further influenced;
(2) if motor stator breaks down, for example when the insulation slot destroys, need change whole motor stator, cost of maintenance is high.
Disclosure of Invention
In order to solve at least one of the above technical problems, an object of the present invention is to provide a motor assembly.
Another object of the present invention is to provide a washing machine.
In order to achieve the above object, an aspect of the present invention provides a motor assembly, including: the barrel is provided with an arched mounting opening; the rotating shaft is arranged in the cylinder body and comprises a mounting plate arranged opposite to the mounting port, and a plurality of first connecting ports which are circumferentially distributed are arranged on the mounting plate; the motor, can install in the barrel through the installing port, the motor includes motor stator and electric motor rotor, motor stator includes a plurality of stator modules of arranging along circumference, be provided with the second connection interface that can be connected along the axial cooperation with first connection interface on stator module's the terminal surface along the axial, a plurality of second connection interfaces are arranged along circumference, so that motor stator fixes on the mounting panel, the electric motor rotor cover is established in motor stator's inboard, and be connected with the pivot, wherein, the distance between the axis of second connection interface and pivot is less than the radius of installing port.
In the technical scheme, an arched mounting opening is formed in the cylinder body, a rotating shaft is mounted in the cylinder body, a bearing seat of the rotating shaft can extend along the radial direction to form a mounting plate opposite to the mounting opening, a cavity for mounting the inner rotor motor is formed between the mounting opening and the mounting plate in a surrounding mode, the distance between a connecting interface of a motor stator on the outer rotor motor and the rotating shaft is much smaller, the inner rotor motor is adopted to replace the outer rotor motor, the circumference diameter of the circumference formed by a plurality of second connecting interfaces is limited to be smaller than the caliber of the mounting opening, the second connecting interface or the first connecting interface can be arranged between the rotating shaft, the outer diameter of the stator can be increased under the condition that the opening at the back of the washing machine box body is not changed, the torque density of the motor is improved, the stator can be conveniently dismounted, and the maintenance cost is reduced.
The inner rotor motor can be a radial flux motor, a transverse flux motor and the like according to different winding modes of the stator winding.
In addition, the first connecting interface and the second connecting interface can be coaxial mounting holes, structures of mutually matched buckles and clamping grooves, and structures of mutually matched supported bodies and supporting frames.
In addition, the motor assembly in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the first connection interface is a first stator mounting hole, the second connection interface is a second stator mounting hole, and the motor assembly further includes: and the magnetism insulation fixing piece is used for fixing the stator module through the insertion and matching of the magnetism insulation fixing piece, the second stator mounting hole and the first stator mounting hole after the second stator mounting hole is aligned with the first stator mounting hole.
In this technical scheme, through connecting interface with first connection interface and second and setting up respectively to first stator mounting hole and second stator mounting hole, through the cooperation with insulating mounting, the mode of the axial fixed mounting inner rotor motor along the motor has been realized, on the one hand, because the distance of second stator mounting hole to the pivot on the motor is less than the size of washing machine box back trompil, therefore can reduce the degree of difficulty of the motor of dismouting major diameter stator, on the other hand, the user demand of major diameter stator inner rotor motor of high torque density in electric equipment such as washing machine has been satisfied. .
In addition, the insulating fixing piece can also be an insulating fixing rivet or an insulating fixing bolt and the like.
In any of the above technical solutions, preferably, the plurality of first stator mounting holes are circumferentially arranged along an inner ring edge of the motor stator.
In this technical scheme, on motor stator, through arranging first stator mounting hole along motor stator's inner ring edge circumference to expose in the visual within range of installing port, thereby be convenient for user's operation, fix motor stator on fixed cavity's back wall.
In any of the above technical solutions, preferably, the plurality of second stator mounting holes include a first row of mounting holes arranged along a circumferential direction of an inner ring edge of the motor stator and a second row of mounting holes arranged along a circumferential direction of an outer ring edge of the motor stator.
In this technical scheme, in order to promote motor stator's fixed strength, can also set up the first row mounting hole of arranging and the second row mounting hole of arranging along motor stator's outer loop edge circumference along motor stator's inner ring edge circumference at least, be favorable to promoting motor stator's assembly strength and stability.
In any of the above technical solutions, preferably, the magnetism isolating fixing member is an insulating fixing bolt; the first stator mounting hole is a threaded hole capable of being matched with the insulating fixing bolt.
In this technical scheme, through adopting insulating fixing bolt and screw hole cooperation, when motor stator's equipment intensity is guaranteed, when motor stator produces the trouble, convenient dismantlement.
In any of the above technical solutions, preferably, the second stator mounting hole is a threaded hole or a unthreaded hole.
In addition, the second stator mounting hole can be provided with a counter bore structure, or a combined structure of at least two of a threaded hole, a light hole and the counter bore structure.
In any of the above technical solutions, preferably, the stator modules can be installed on the installation plate one by one to construct and form a motor stator, wherein an outer diameter of the motor stator is larger than a diameter of the installation opening.
In the technical scheme, through setting up the stator module to independent part structure, all be provided with the second connection interface on every stator module, specifically can be for second stator mounting hole, it is fixed to realize the equipment between stator module and the mounting panel through connecting the interface, compare with the mode of the whole equipment of motor stator in the mounting panel among the prior art, when motor stator breaks down, because be detachable each other between the stator module, only need to change trouble stator module can, need not wholly change motor stator, on the one hand, be favorable to reducing cost of maintenance, on the other hand, adopt modular stator structure, when setting up each stator module isomorphism, can also save spare part's weight and volume, bring the facility for maintenance and spare part transportation storage, also can realize the reduction of cost.
In addition, the caliber of the mounting opening is limited to be smaller than the outer diameter of the motor stator, the motor stator can be positioned and assembled by taking the stator module as a unit, and therefore when the motor stator is mounted, the motor stator can not be influenced by the size of the mounting caliber, so that the radial size of the motor stator can be increased on the premise of not changing the opening of the mounting opening, the stator can be conveniently dismounted and mounted, furthermore, the radial size of the motor stator is increased, the motor torque is in direct proportion to the square of the outer diameter and the motor length, therefore, under the condition of the same size, the purpose of increasing the output of the motor torque is achieved by increasing the outer diameter, and the performance of the motor is further improved.
Under the condition that the stator module is set to be an independent component structure, only the second stator mounting holes which are circumferentially arranged on the inner ring edge of the motor stator in one row can be arranged.
The two adjacent stator modules can have a connection relationship, and can also be respectively fixed in the fixed cavity under the condition of no connection relationship.
When the stator modules are independent parts, the second stator mounting holes can be correspondingly formed in each stator module respectively, and partial second stator mounting holes can also be formed in two ends of each stator module respectively so as to form complete second stator mounting holes during splicing.
In any one of the above technical solutions, preferably, the edges at the two ends of the stator module are respectively provided with a semicircular hole structure, and when the two stator modules are spliced with each other, the two adjacent semicircular hole structures can be correspondingly spliced along the circumferential direction to form a second stator mounting hole.
In the technical scheme, the semicircular hole structures are respectively arranged at the two ends of each stator module to form a complete second stator mounting hole during splicing, so that the stator modules are fixed and the splicing precision of the stator modules along the circumferential direction is promoted.
In any of the above technical solutions, preferably, the plurality of stator modules arranged along the circumferential direction are of an integrally formed structure.
In this technical scheme, when a plurality of stator modules of arranging along circumference are the integrated into one piece structure, motor stator's bulk strength is better, and the bore of installing port is less than motor stator's external diameter this moment, or the diameter of installing port is more than or equal to motor stator's external diameter to guarantee motor stator can normally put into the mounting panel, and can remain the installation space that is used for carrying out the axial equipment.
In any of the above technical solutions, preferably, the method further includes: a rotor fixing bolt; a central hole is formed in the motor rotor, and the rotor fixing bolt can be matched with the central hole and the rotating shaft respectively so that the motor rotor and the rotating shaft can be fixedly assembled.
In a second aspect of the present invention, a washing machine is provided, including: a washing machine body; the motor assembly according to any one of the embodiments of the first aspect of the present invention is disposed in a washing machine body, wherein a rotating shaft driven by a motor rotor to rotate is disposed in the washing machine, and a mounting opening of the motor assembly is opened at a back of the washing machine body.
In the technical scheme, the back of the washing machine body is provided with the mounting plate of the motor, and the inner rotor motor with large diameter and small thickness can be disassembled and assembled under the condition that the size of the mounting hole of the mounting plate of the washing machine is not changed or under the condition that the size of the mounting hole of the mounting plate of the washing machine is not changed, so that a frame mold of the washing machine is not changed, and the mold cost is saved.
One or more technical solutions provided in the technical solution of the present application have at least the following technical effects or advantages:
(1) under the condition that the opening of the washing machine box body is not changed or under the condition that the change is not large, the inner rotor motor with large diameter and small thickness can be disassembled and assembled, so that a frame mold of the washing machine can not be changed, and the mold cost is saved.
(2) The modularized stator is adopted, and all modules are the same, so that the weight and the volume of spare parts are saved, convenience is brought to maintenance and spare part transportation and storage, and the corresponding cost is also reduced.
(3) When any module breaks down, only the corresponding module needs to be replaced, the whole motor stator does not need to be replaced, and the cost is saved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view illustrating an exploded structure of a motor assembly part of a related art washing machine;
fig. 2 is a schematic view illustrating an exploded structure of a motor assembly part of a washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating an assembled structure of a motor assembly part of a washing machine according to an embodiment of the present invention;
FIG. 4 shows a schematic structural diagram of a stator module according to an embodiment of the invention;
FIG. 5 illustrates an assembled structural view of a stator module according to one embodiment of the present invention;
FIG. 6 is a schematic view illustrating an assembly structure of a motor assembly part of a washing machine according to an embodiment of the present invention
Fig. 7 shows a schematic structural view of a stator module according to another embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
102 rotor fixing bolts, 104 motor rotor, 106 stator fixing bolts, 108 motor stator, 110 washing machine outer barrel, 112 rotating shaft, 114 washing machine body, 20 stator module, 30 motor rotor, 402 mounting plate, 404 rotating shaft, 406 first connecting interface (first stator mounting hole), 50 magnetism-insulating fixing piece (insulating fixing bolt), 60 rotor fixing bolts, 70 washing machine body, 202 second connecting interface (second stator mounting hole).
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A motor assembly according to some embodiments of the present invention is described below with reference to fig. 2 to 7.
As shown in fig. 2 to 7, a motor assembly according to an embodiment of the present invention includes: the barrel is provided with an arched mounting opening; the rotating shaft 404 is arranged in the cylinder body and comprises a mounting plate 402 which is arranged opposite to the mounting port, and a plurality of first connecting ports 406 which are circumferentially arranged are arranged on the mounting plate 402; the motor, can install in the barrel through the installing port, the motor includes motor stator and electric motor rotor 30, motor stator includes a plurality of stator module 20 of arranging along circumference, be provided with along the axial on stator module 20's the terminal surface and connect interface 202 with the second that first connection interface 406 cooperation is connected, a plurality of second connection interfaces 202 are arranged along circumference, so that motor stator fixes on mounting panel 402, motor rotor 30 cover is established in motor stator's inboard, and be connected with pivot 404, wherein, the distance between the axis of second connection interface 202 and pivot 404 is less than the radius of installing port.
In this embodiment, an arched mounting opening is opened on the cylinder, a rotating shaft 404 is installed in the cylinder, a bearing seat of the rotating shaft 404 can extend radially to form a mounting plate 402 opposite to the mounting opening, so as to enclose a cavity for mounting the inner rotor motor between the mounting opening and the mounting plate 402, because the distance from the connection interface of the motor stator on the outer rotor motor to the rotating shaft 404 is much smaller, by adopting the inner rotor motor to replace the outer rotor motor, while the circumferential diameter of the circumference defining the formation of the plurality of second connection interfaces 202 is smaller than the caliber of the mounting opening, the second connection interface 202 or the first connection interface 406 can be connected with the rotating shaft 404, the back opening of the washing machine box body can be not changed, the stator outer diameter can be enlarged to improve the torque density of the motor, and the stator can be conveniently disassembled and assembled to reduce the maintenance cost.
The inner rotor motor can be a radial flux motor, a transverse flux motor and the like according to different winding modes of the stator winding.
In addition, the first connection interface 406 and the second connection interface 202 may be coaxial mounting holes, may also be structures of a snap and a slot that are matched with each other, and may also be structures of a supported body and a supporting frame that are matched with each other.
As shown in fig. 2, in the above embodiment, preferably, the first connection interface 406 is a first stator mounting hole 406, the second connection interface 202 is a second stator mounting hole 202, and the motor assembly further includes: and the magnetism insulation fixing piece 50 is used for fixing the stator module 20 after the second stator mounting hole 202 is aligned with the first stator mounting hole 406 through the inserting and matching of the magnetism insulation fixing piece 50, the second stator mounting hole 202 and the first stator mounting hole 406.
In this embodiment, through setting up first connection interface 406 and second connection interface 202 as first stator mounting hole 406 and second stator mounting hole 202 respectively, through the cooperation with insulating fixed part, the mode of the axial fixed mounting inner rotor motor along the motor has been realized, on the one hand, because the distance of second stator mounting hole 202 on the motor to pivot 404 is less than the size of washing machine box back trompil, therefore can reduce the degree of difficulty of the motor of dismouting major diameter stator, on the other hand, the user demand of major diameter stator inner rotor motor of high torque density in electrical equipment such as washing machine has been satisfied. .
In addition, the insulating fixing piece can also be an insulating fixing rivet or an insulating fixing bolt and the like.
As shown in fig. 3 and 4, in any of the above embodiments, preferably, the plurality of first stator mounting holes 406 are arranged circumferentially along the inner ring edge of the stator of the motor.
In this embodiment, the first stator mounting holes 406 are circumferentially arranged along the inner ring edge of the motor stator to be exposed in the visible range of the mounting opening, so as to facilitate the operation of a user to fix the motor stator on the rear wall of the fixing cavity.
In any of the above embodiments, as shown in fig. 6 and 7, preferably, the plurality of second stator mounting holes 202 includes a first row of mounting holes arranged circumferentially along an inner ring edge of the motor stator and a second row of mounting holes arranged circumferentially along an outer ring edge of the motor stator.
In this embodiment, in order to improve the fixing strength of the motor stator, at least a first row of mounting holes arranged along the circumferential direction of the inner ring edge of the motor stator and a second row of mounting holes arranged along the circumferential direction of the outer ring edge of the motor stator may be further provided, which is beneficial to improving the assembling strength and stability of the motor stator.
In any of the above embodiments, preferably, the magnetism isolating fixing member 50 is an insulating fixing bolt 50; the first stator mounting hole 406 is a threaded hole capable of being engaged with the insulating fixing bolt 50.
In this embodiment, through adopting insulating fixing bolt 50 and screw hole cooperation, when motor stator produces trouble, convenient dismantlement when guaranteeing motor stator's packaging strength.
In any of the above embodiments, the second stator mounting holes 202 are preferably threaded holes or unthreaded holes.
In addition, the second stator mounting hole 202 may be provided with a counter bore structure, or a combination of at least two of a threaded hole, a smooth hole, and a counter bore structure.
In any of the above embodiments, as shown in fig. 5, preferably, the stator modules 20 can be individually mounted on the mounting plate 402 to configure a motor stator, wherein the outer diameter of the motor stator is larger than the diameter of the mounting opening.
In this embodiment, by providing the stator modules 20 as separate component structures, each stator module 20 is provided with a second connection interface 202, specifically a second stator mounting hole 202, to realize the assembly and fixation between the stator module 20 and the mounting plate 402 through the connection interface, compared with the prior art in which the motor stator is integrally assembled in the mounting plate 402, when the motor stator breaks down, the stator modules 20 are mutually detachable, only the broken stator modules 20 are needed to be replaced, and the motor stator does not need to be integrally replaced, so that on one hand, the maintenance cost is favorably reduced, on the other hand, a modularized stator structure is adopted, when each stator module 20 is homomorphic, the weight and the volume of spare parts can be saved, convenience is brought to maintenance and spare part transportation and storage, and cost reduction can be realized.
In addition, the caliber of the mounting opening is limited to be smaller than the outer diameter of the motor stator, the motor stator can be positioned and assembled by taking the stator module 20 as a unit, and therefore when the motor stator is mounted, the motor stator can not be influenced by the size of the mounting caliber, on the premise that the opening of the mounting opening is not changed, the radial size of the motor stator can be increased, the stator can be conveniently dismounted, furthermore, the radial size of the motor stator is increased, the motor torque is in direct proportion to the square of the outer diameter and the motor length, the purpose of increasing the output of the motor torque is achieved by increasing the outer diameter under the condition that the size is the same, and the performance of the motor is further improved.
In the case where the stator module 20 is provided as an independent component structure, only the second stator mounting holes 202 arranged circumferentially at the inner ring edge of the stator of the motor in one row may be provided.
The adjacent two stator modules 20 may have a connection relationship therebetween, or may be fixed in the fixed cavity without the connection relationship.
When the stator modules 20 are independent components, the second stator mounting holes 202 may be respectively and correspondingly formed in each stator module 20, or partial second stator mounting holes 202 may be respectively formed at two ends of each stator module 20, so as to form complete second stator mounting holes 202 during splicing, and thus, when the stator modules 20 are fixed, the splicing accuracy of the stator modules 20 along the circumferential direction is improved.
As shown in fig. 6 and 7, in any of the above embodiments, preferably, the edges of the two ends of the stator module 20 are respectively provided with a semicircular hole structure, and when two stator modules 20 are spliced together, two adjacent semicircular hole structures can be correspondingly spliced together along the circumferential direction to form the second stator mounting hole 202.
In this embodiment, the semicircular hole structures are respectively formed at the two ends of each stator module 20 to form the complete second stator mounting hole 202 during the splicing, so that the stator modules 20 are fixed, and the splicing precision of the stator modules 20 along the circumferential direction is also improved.
In any of the above embodiments, preferably, the plurality of circumferentially arranged stator modules 20 are of an integrally formed structure.
In this embodiment, when a plurality of stator modules 20 arranged along the circumferential direction are of an integrally formed structure, the overall strength of the motor stator is better, and at this time, the caliber of the mounting port is smaller than the outer diameter of the motor stator, or the diameter of the mounting port is greater than or equal to the outer diameter of the motor stator, so as to ensure that the motor stator can be normally placed into the mounting plate 402, and the mounting space for axial assembly can be reserved.
In any of the above embodiments, preferably, the method further includes: rotor fixing bolts 60; the motor rotor 30 is provided with a central hole, and the rotor fixing bolt 60 can be respectively matched with the central hole and the rotating shaft 404, so that the motor rotor 30 and the rotating shaft 404 can be fixedly assembled.
A washing machine according to an embodiment of the present invention includes: a washing machine body 70; the motor assembly as described in any of the above embodiments is disposed in the washing machine body 70, wherein the washing machine is provided with a rotating shaft 404 driven by the motor rotor 30 to rotate, and the mounting opening of the motor assembly is opened at the back of the washing machine body 70.
In this embodiment, the back of the washing machine body 70 is provided with the mounting plate 40 of the motor, and the inner rotor motor with large diameter and small thickness can be assembled and disassembled without changing the size of the mounting hole of the mounting plate 40 of the washing machine or without changing the size, so that the frame mold of the washing machine can not be changed, and the mold cost is saved.
As shown in fig. 2 and 3, the inner rotor motor is used instead of the outer rotor motor, and the outer diameter of the motor stator of the outer rotor motor can be larger than the size of the mounting opening on the mounting plate 40, so that only the mounting structure of the inner side surface of the mounting plate 40 needs to be changed, the back opening of the washing machine does not need to be changed, and the high-torque-density motor can be mounted at low cost.
Because motor stator's external diameter is greater than the external diameter of installing the mouth on the washing machine to can use the motor of major diameter small thickness, the rotor external diameter of motor slightly is less than the external diameter of washing machine box trompil, dismouting rotor that like this can be convenient, wherein motor stator can formula motor stator as an organic whole, also can contain a plurality of physically independent stator module 20.
When the motor is disassembled and assembled, the rotor fixing bolt 60 is firstly screwed off, the motor rotor 30 is taken out along the axial direction, and then the insulation fixing bolt of the motor stator is taken out along the axial direction.
On the outer tub of the washing machine, a plurality of second connection ports 404 are axially distributed for positioning and fixing the stator.
The internal structure of each stator module 20, depending on the actual electromagnetic structure and performance requirements, typically comprises silicon steel sheets, windings and appropriate mechanical structures, each stator module 20 has a corresponding power outlet, typically three-phase, which may be two-phase or one-phase, and the difference between the modules is preferably minimized, which may reduce the variety and number of spare parts, typically the same for each stator module 20.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. An electric machine assembly, comprising:
the barrel is provided with an arched mounting opening;
the rotating shaft is arranged in the cylinder body and comprises a mounting plate arranged opposite to the mounting port, and a plurality of first connecting ports which are circumferentially arranged are arranged on the mounting plate;
the motor can be installed in the cylinder body through the installation opening, the motor comprises a motor stator and a motor rotor, the motor stator comprises a plurality of stator modules which are arranged along the circumferential direction, a second connection interface which can be matched and connected with the first connection interface along the axial direction is arranged on the end surface of each stator module along the axial direction, the second connection interfaces are arranged along the circumferential direction so that the motor stator is fixed on the installation plate, the motor rotor is sleeved on the inner side of the motor stator and is connected with the rotating shaft,
wherein a circumferential diameter of a circumference formed by the plurality of second connection ports is smaller than a caliber of the mounting port.
2. The electric machine assembly of claim 1, wherein the first connection interface is a first stator mounting hole and the second connection interface is a second stator mounting hole, the electric machine assembly further comprising:
and the magnetism insulation fixing piece is used for fixing the stator module through the insertion and matching of the magnetism insulation fixing piece, the second stator mounting hole and the first stator mounting hole after the second stator mounting hole is aligned with the first stator mounting hole.
3. The electric machine assembly of claim 2,
the second stator mounting holes are circumferentially arranged along the inner ring edge of the motor stator.
4. The electric machine assembly of claim 2,
the plurality of second stator mounting holes comprise a first row of mounting holes arranged along the circumferential direction of the inner ring edge of the motor stator and a second row of mounting holes arranged along the circumferential direction of the outer ring edge of the motor stator.
5. The electric machine assembly of claim 2,
the magnetism insulation fixing piece is an insulation fixing bolt;
the first stator mounting hole is a threaded hole capable of being matched with the insulating fixing bolt.
6. The electric machine assembly of claim 2,
the second stator mounting hole is a threaded hole or a unthreaded hole.
7. The electric machine assembly of claim 2,
the stator module can install one by one on the mounting panel to the structure establishes and forms motor stator, wherein, motor stator's external diameter is greater than the diameter of installing port.
8. The electric machine assembly of claim 7,
the edges at the two ends of the stator module are respectively provided with a semicircular hole structure, and when the stator modules are spliced with each other, the semicircular hole structures are adjacent to each other and can be correspondingly spliced along the circumferential direction to form the second stator mounting hole.
9. The electric machine assembly of claim 2,
the plurality of stator modules arranged along the circumferential direction form the motor stator through an integrated molding structure,
and the outer diameter of the motor stator is smaller than or equal to the caliber of the mounting opening.
10. The electric machine assembly of any of claims 1 to 9, further comprising:
a rotor fixing bolt;
the motor rotor is provided with a center hole, and the rotor fixing bolt can be respectively matched with the center hole and the rotating shaft so as to enable the motor rotor to be fixedly assembled with the rotating shaft.
11. A washing machine, characterized by comprising:
an electric machine assembly as claimed in any one of claims 1 to 10.
CN201810912052.4A 2018-08-10 2018-08-10 Motor assembly and washing machine Pending CN110857502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810912052.4A CN110857502A (en) 2018-08-10 2018-08-10 Motor assembly and washing machine

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103001357A (en) * 2011-09-08 2013-03-27 三星电子株式会社 Motor and washing machine having the same
CN103243521A (en) * 2012-02-07 2013-08-14 三星电子株式会社 Motor and washing machine having the same
EP3035491A1 (en) * 2013-11-08 2016-06-22 Samsung Electronics Co., Ltd. Motor, manufacturing method thereof, and washing machine
CN106130208A (en) * 2016-08-09 2016-11-16 珠海格力节能环保制冷技术研究中心有限公司 Chain type stator core, motor stator and motor
CN107994692A (en) * 2017-12-11 2018-05-04 广东威灵电机制造有限公司 Motor stator and there is its motor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103001357A (en) * 2011-09-08 2013-03-27 三星电子株式会社 Motor and washing machine having the same
CN103243521A (en) * 2012-02-07 2013-08-14 三星电子株式会社 Motor and washing machine having the same
EP3035491A1 (en) * 2013-11-08 2016-06-22 Samsung Electronics Co., Ltd. Motor, manufacturing method thereof, and washing machine
CN106130208A (en) * 2016-08-09 2016-11-16 珠海格力节能环保制冷技术研究中心有限公司 Chain type stator core, motor stator and motor
CN107994692A (en) * 2017-12-11 2018-05-04 广东威灵电机制造有限公司 Motor stator and there is its motor

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Application publication date: 20200303