WO2011158992A1 - Procédé de fabrication d'un stator sans fente compris dans un moteur sans balai - Google Patents

Procédé de fabrication d'un stator sans fente compris dans un moteur sans balai Download PDF

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Publication number
WO2011158992A1
WO2011158992A1 PCT/KR2010/005170 KR2010005170W WO2011158992A1 WO 2011158992 A1 WO2011158992 A1 WO 2011158992A1 KR 2010005170 W KR2010005170 W KR 2010005170W WO 2011158992 A1 WO2011158992 A1 WO 2011158992A1
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WO
WIPO (PCT)
Prior art keywords
bobbin
coil
coil winding
injection molding
manufacturing
Prior art date
Application number
PCT/KR2010/005170
Other languages
English (en)
Korean (ko)
Inventor
김유정
김진호
Original Assignee
Kim You Jeong
Kim Jin Ho
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 Kim You Jeong, Kim Jin Ho filed Critical Kim You Jeong
Publication of WO2011158992A1 publication Critical patent/WO2011158992A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/47—Air-gap windings, i.e. iron-free windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
    • H02K15/0435—Wound windings
    • H02K15/0442—Loop windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/12—Machines characterised by the bobbins for supporting the windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/15—Mounting arrangements for bearing-shields or end plates

Definitions

  • the present invention relates to a method for manufacturing a slotless stator configured in a brushless motor, and more particularly, after injection molding a bobbin in which a plurality of coil winding protrusions are formed to protrude at regular intervals along a circumference, the coils are respectively formed.
  • a large amount of coils can be wound in the longitudinal direction of the rotating shaft, so that a high-power DC motor can be supplied and a bobbin is formed of an insulating material to generate a force that interferes with the rotation generated in the rotor.
  • the present invention relates to a slotless stator manufacturing method.
  • BLDC motors Brushless DC motors
  • BLDC motors are characterized by the absence of mechanical contacts, namely brush and commutator, compared to conventional DC motors with brushes. It is widely used due to long life and development of semiconductor technology and components and materials.
  • a rotor is formed at an inner center thereof, and a stator is configured in a form of surrounding the rotor so that the rotor rotates in the stator.
  • a general electric motor is configured to form a protrusion and a slot in the axial length direction at regular intervals on the inner circumference of the stator and to induce a magnetic field by winding a coil inside the slot. It takes a lot of force, time, and complicated devices, as well as the presence of the projections create a discontinuous magnet and limit the number of windings, which has the disadvantage of affecting the efficiency of the motor.
  • the coil winding body for the stator is made by forming the diameters of the inner and outer surfaces so that the rotor can be inserted into the inside of the motor while the two ends are overlapped.
  • This method can achieve the purpose of improving the efficiency of the motor by forming a coil and a projection is not formed in the stator, but the whole is made of a coil, but a lot of defects occur and precise and special devices were required to prevent this.
  • a winding drum 1 having a diameter equal to the diameter of the stator that the rotor rotates and a through hole is formed, and a plurality of incision grooves 3 are formed by a predetermined length from both ends.
  • each cutting groove (3) constitutes a hook pin 10 that can be mounted at the same time, and inserts an action pin (20) to allow the hook pin (10) to stand in the working hole.
  • An object of the present invention is to solve the problems of complexity and difficulty in mass production of a manufacturing process for manufacturing a slotless stator including a coil winding wound on a conventional brushless DC motor, thereby simplifying and massifying a motor manufacturing process. To provide productivity.
  • Another object of the present invention is to allow a large amount of coil to be wound on the bobbin in the longitudinal direction of the rotary shaft to enable a high power DC motor supply.
  • Still another object of the present invention is to form a bobbin with an insulating material so that a force that prevents rotation generated in the rotor is not generated, thereby further increasing the efficiency of the high output.
  • the slotless stator manufacturing method is configured in a brushless motor according to an embodiment of the present invention
  • a large number of coils can be wound on the bobbin in the longitudinal direction of the rotating shaft, thereby providing an effect capable of supplying a high output DC motor.
  • the bobbin is formed of an insulating material so that a force that prevents rotation generated in the rotor is not generated, thereby providing a better effect of doubling the efficiency of the high output.
  • FIG. 1 is a process diagram showing the steps of manufacturing a slotless stator constructed in a conventional brushless motor.
  • FIG. 2 is a perspective view showing a stator coil winding apparatus used to manufacture a slotless stator constructed in a conventional brushless motor.
  • FIG. 3 is a perspective view showing a sizing rod used to manufacture a slotless stator constructed in a conventional brushless motor.
  • Figure 4 is a process diagram showing a slotless stator manufacturing method configured in a brushless motor according to an embodiment of the present invention.
  • FIG. 5 is a process chart showing a slotless stator manufacturing method configured in a brushless motor according to another embodiment of the present invention.
  • Figure 6 is an exemplary view showing a slotless stator manufacturing method configured in a brushless motor according to an embodiment of the present invention.
  • FIG. 7 is a perspective view illustrating a bobbin and an insulator that are injection molded in a slotless stator manufacturing method of a brushless motor according to an embodiment of the present invention.
  • FIG. 8 is an exploded perspective view showing a brushless DC motor including a bobbin and an insulator injection-molded in the slotless stator manufacturing method of the brushless motor according to an embodiment of the present invention.
  • FIG. 9 is a combined perspective view of a brushless DC motor including a bobbin and an insulator injection-molded in the slotless stator manufacturing method of the brushless motor according to an embodiment of the present invention.
  • FIG. 10 is a plan view illustrating a rotor inserted into a bobbin that is injection molded in a slotless stator manufacturing method of a brushless motor according to an exemplary embodiment of the present invention.
  • a plurality of coil winding projections are formed to protrude at regular intervals along the circumference, and includes a fixing projection formed to protrude so as to be inserted and fixed to the groove portion formed in the first and second insulators on both sides of the coil winding projections.
  • an insulator coupling step for inserting and fixing the fixing protrusion exposed to the outside of the housing to the recess formed in the insulator.
  • the coil to be wound is characterized in that it is wound in parallel with the longitudinal direction of the rotating shaft.
  • the silicon steel sheet is a laminated core.
  • FIG. 1 is a process diagram showing the steps of manufacturing a slotless stator constructed in a conventional brushless motor.
  • FIG. 2 is a perspective view showing a stator coil winding apparatus used to manufacture a slotless stator constructed in a conventional brushless motor.
  • FIG. 3 is a perspective view showing a sizing rod used to manufacture a slotless stator constructed in a conventional brushless motor.
  • a coil insertion step of inserting the compressed coil into a lamination core (S60);
  • the coil is wound around the stator coil winding apparatus shown in FIG. 2, which has a diameter equal to the diameter of the stator in which the rotor rotates and has a winding drum 1 through which a working hole is formed. It consists of a plurality of incision grooves (3) at equal angles by a constant length from both ends, and each incision groove is configured with a hook pin (10) that can be placed at the same time, the inlet and out of the working hole It will insert the action pin 20 to enable.
  • the outer surface of the winding drum (1) is located a little inward of the rear end of the hanger pin (10) to form a tightening groove (4) and then insert the fastener ring (5) of elastic material to the hook pin (10) It is configured to be crimped.
  • the insulating tape is first taped (S10) at a position where the coil of the stator coil winding device is to be wound.
  • the coil is wound around the primary taped insulating tape (S20), and the insulating tape is secondary taped (S30) on the wound coil.
  • the secondary taping is to securely hold the coil after winding the coil.
  • the third taping (S40) is performed with an insulating tape on the secondary taped insulating tape.
  • the third taping is to press the coil flatly during the subsequent pressing process, so if the wrong is done, the coil is not taped to maintain a uniform and aligned winding state, and the taping is prevented.
  • the third taped coil is compressed using a pressing tool (S50).
  • the compressed coil is inserted into a lamination core (S60), and the configuration of the lamination core 500 is already well known to those skilled in the art, and thus the description thereof is omitted in the present invention and performs the same function as the housing of the present invention. something to do.
  • the inside coil sizing step (S70) of inserting a sizing rod into the lamination core to secure an inner diameter is performed, and the sizing rod 50 represents an apparatus as shown in FIG. 3.
  • the present invention can provide an advantage that can simultaneously provide a long-term unsolved problem of those skilled in the art to secure mass productivity and simplify the manufacturing process.
  • varnish epoxy is applied to the entire lamination core to fix the coil to the lamination core, and then subjected to high temperature curing (S80). Removing the sizing rod from the slotless stator is completed (S90).
  • the varnish epoxy coating described above is a process for preventing the coil from being spaced apart from the lamination core.
  • the prior art still has problems in fixing as a result of how the coil can be securely fixed to the lamination core.
  • Figure 4 is a process diagram showing a slotless stator manufacturing method configured in a brushless motor according to an embodiment of the present invention.
  • the bobbin has a configuration for providing a slotless stator to enable the manufacturing convenience and high power DC motor supply.
  • the slotless stator of the present invention may mean that it is composed of a bobbin and a housing, it may also mean that it is composed of a bobbin, a housing and an insulator.
  • a plurality of coil winding protrusions 230 are formed on the outer circumferential surface of the body portion at regular intervals along the circumference to wind the coil 300, and prevent the coils to be spaced apart from each other.
  • the coil winding protrusion may further include a fixing protrusion 240 formed to protrude so as to be inserted into and fixed to the recess 410 formed in the first insulator 400 and the second insulator 400a.
  • the bobbin configured as described above has a large number of coil winding protrusions capable of winding the coil so as to protrude at regular intervals along the circumference of the outer circumferential surface of the bobbin body portion, so that a large number of coils can be wound in the longitudinal direction of the rotating shaft so that a high output DC
  • the motor supply will provide the advantage possible.
  • the coil winding protrusion 230 is formed to protrude along the outer circumferential surface of the body portion and to be parallel to the longitudinal direction of the body portion.
  • the coil 300 is wound around the formed coil winding protrusion, but the fixing protrusions are formed on both sides to prevent the wound coil from flowing out.
  • the fixing protrusion may be inserted into and fixed to the recess 410 formed in the first and second insulators 400 and 400a, thereby eliminating the phenomenon that one bobbin rotates only when the rotor rotates.
  • an insulating material into the injection mold of the bobbin-shaped injection molding it may be formed of a plastic material, for example, as shown in the drawing can be manufactured by injection molding the bobbin rotation generated in the rotor
  • the efficiency of the high output can be further increased, and the manufacturing process for manufacturing the coil winding body wound on the conventional brushless DC motor and the manufactured coil winding body to the lamination core
  • the complexity of the inserting process and the difficulty of mass production can be solved, thereby simplifying the motor manufacturing process and providing mass productivity.
  • injection molding S110 is performed to manufacture a bobbin.
  • the coils are wound around the coil winding protrusions of the injection-molded bobbin using a coil winding device, respectively (S120).
  • the coil winding device refers to a coil winding device that is commonly used by those skilled in the art, and a detailed description thereof will be omitted since the configuration and the coil winding method thereof are well known to those skilled in the art.
  • the coil wound around the bobbin is inserted into the housing (S130) to finally complete the slotless stator configured in the brushless motor.
  • the coil is wound around the bobbin configured with the coil winding protrusion which can stably fix the coil, the coil is directly inserted into the housing (the same as the conventional lamination core) without a separate manufacturing process.
  • the manufacturing process is simple, and the coil can be securely fixed to the housing, and at the same time, the assembly line capable of mass production can be provided, thereby enabling mass production to solve problems that remain long-term problems for those skilled in the art. will be.
  • FIG. 5 is a process chart showing a slotless stator manufacturing method configured in a brushless motor according to another embodiment of the present invention.
  • Figure 5 is a slotless stator manufacturing method configured in a brushless motor according to another embodiment of the present invention.
  • a plurality of coil winding projections are formed to protrude at regular intervals along the circumference, and includes a fixing projection formed to protrude so as to be inserted and fixed to the groove portion formed in the first and second insulators on both sides of the coil winding projections.
  • an insulator coupling step for inserting and fixing the fixing protrusion exposed to the outside of the housing to the recess formed in the insulator.
  • the manufacturing step as described above is to provide a slotless stator to prevent the separation of the coil through the insulator and at the same time stably fixed to the housing when forming the fixing projection on the bobbin.
  • the bobbin 200 is injection molded in the molding die
  • a plurality of coil winding projections 230 are formed to protrude at regular intervals along the circumference, and in the groove 410 formed in the first insulator 400 and the second insulator 400a on both sides of the coil winding projections. It has a shape configured to include a fixing protrusion 240 is formed to protrude so as to be fixed.
  • a plurality of coil winding protrusions are formed to protrude at regular intervals along the circumference, and protrude so that the coil winding protrusions are inserted into and fixed to recess portions formed in the first and second insulators on both sides of the coil winding protrusions.
  • an insulating material is put into an injection molding mold having an insulator shape including a recess formed to insert and fix the fixing protrusion formed on the bobbin (S115).
  • each coil is wound around the coil winding protrusion of the injection molded bobbin using a coil winding device (S120), and the bobbin wound around the coil is inserted into the housing (S130) and exposed to the outside of the housing.
  • the fixed protrusion is inserted into and fixed to the recess formed in the insulator (S140).
  • the rotor 100 includes a rotating shaft 110 and magnetic poles 120 alternately arranged at regular intervals with at least one pair of N poles and S poles on the outer circumferential surface of the rotating shaft.
  • a bobbin 200 for inserting the rotor into the through hole;
  • a housing 500 having a bobbin through hole for inserting the bobbin therein;
  • the housing is formed with a bobbin through hole 510 for inserting the bobbin, and on the outer surface there is formed a cover coupling protrusion 530 for coupling the front cover and the rear cover.
  • the inner surface of the housing to form a plurality of housing grooves 510 in parallel with the longitudinal direction of the rotation axis at regular intervals along the circumference, and to insert and fix the coil winding projection of the bobbin to the formed housing groove.
  • the front cover 600 and the rear cover 600a are coupled to both sides of the housing, and a hole is formed in the center of the covers so that the rotation shaft can pass therethrough.
  • the outer cover 700 is configured to firmly secure the housing, the front cover, and the rear cover to prevent separation of components, and the clip groove 620 is provided at the front cover 600 and the rear cover 600a. It is formed to be fixed by inserting an external clip (see Fig. 9).
  • the present invention can solve the complexity of the manufacturing process for manufacturing a slotless stator including a coil winding wound on a conventional brushless DC motor and the difficulty of mass production, thereby simplifying the motor manufacturing process and increasing mass productivity. It can be usefully applied to DC motor production.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

La présente invention se rapporte à un procédé de fabrication d'un stator sans fente compris dans un moteur sans balai et la présente invention permet de simplifier le procédé de fabrication du moteur et elle permet une production de masse étant donné qu'elle permet de surmonter les problèmes de complexité dans le procédé de fabrication et de difficulté dans la production de masse lors de la fabrication de stators sans fente qui contiennent des enroulements de bobine enroulés sur des moteurs CC sans balai conventionnels.
PCT/KR2010/005170 2010-06-19 2010-08-06 Procédé de fabrication d'un stator sans fente compris dans un moteur sans balai WO2011158992A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100058285A KR101170156B1 (ko) 2010-06-19 2010-06-19 브러시리스 모터에 구성되는 슬롯리스 고정자 제조방법
KR10-2010-0058285 2010-06-19

Publications (1)

Publication Number Publication Date
WO2011158992A1 true WO2011158992A1 (fr) 2011-12-22

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Application Number Title Priority Date Filing Date
PCT/KR2010/005170 WO2011158992A1 (fr) 2010-06-19 2010-08-06 Procédé de fabrication d'un stator sans fente compris dans un moteur sans balai

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KR (1) KR101170156B1 (fr)
WO (1) WO2011158992A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9979247B2 (en) * 2014-11-06 2018-05-22 Medtronic Xomed, Inc. Surgical instrument motor with increased number of wires per phase set and increased fill factor and corresponding manufacturing method
KR101972869B1 (ko) 2017-04-25 2019-04-26 엘씨 텍(주) 슬롯리스 bldc 모터의 고정자조립체 제조방법 및 이를 제조하기 위한 치구
KR102154040B1 (ko) * 2018-12-24 2020-09-09 주식회사 로텍 슬롯리스 모터용 권선지그와 코일제작방법 및 이를 통해 제작된 코일
US20230037924A1 (en) * 2020-01-06 2023-02-09 Lg Innotek Co., Ltd. Motor, and method for manufacturing stator provided in motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270761A (ja) * 1988-04-22 1989-10-30 Matsushita Electric Works Ltd 内転型無刷子電動機
KR20040082193A (ko) * 2003-03-18 2004-09-24 엘지전자 주식회사 모터의 스테이터 제조방법
KR20050054587A (ko) * 2003-12-05 2005-06-10 주식회사 대우일렉트로닉스 브러쉬레스 모터용 스테이터 코어
KR100595730B1 (ko) * 2004-04-30 2006-07-03 엘지전자 주식회사 비엘디시 모터의 스테이터 및 그 제조방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270761A (ja) * 1988-04-22 1989-10-30 Matsushita Electric Works Ltd 内転型無刷子電動機
KR20040082193A (ko) * 2003-03-18 2004-09-24 엘지전자 주식회사 모터의 스테이터 제조방법
KR20050054587A (ko) * 2003-12-05 2005-06-10 주식회사 대우일렉트로닉스 브러쉬레스 모터용 스테이터 코어
KR100595730B1 (ko) * 2004-04-30 2006-07-03 엘지전자 주식회사 비엘디시 모터의 스테이터 및 그 제조방법

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Publication number Publication date
KR101170156B1 (ko) 2012-07-31
KR20110138310A (ko) 2011-12-27

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