WO2021045383A1 - 스테이터 - Google Patents
스테이터 Download PDFInfo
- Publication number
- WO2021045383A1 WO2021045383A1 PCT/KR2020/009759 KR2020009759W WO2021045383A1 WO 2021045383 A1 WO2021045383 A1 WO 2021045383A1 KR 2020009759 W KR2020009759 W KR 2020009759W WO 2021045383 A1 WO2021045383 A1 WO 2021045383A1
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- WO
- WIPO (PCT)
- Prior art keywords
- length
- back yoke
- stator
- winding
- radial direction
- 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.)
- Ceased
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/021—Magnetic cores
- H02K15/022—Magnetic cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Definitions
- Various embodiments of the present invention relate to a stator having an improved joint structure shape between a split tooth and a back yoke.
- a general motor is a device that implements a driving force by the interaction of a stator and a rotor, and the structure of the stator and the rotor are basically the same.
- the types of motors are divided according to the principle in which the rotor rotates due to the interaction between the stator and the rotor.
- the type of motor is divided according to the type or phase of power applied to the stator coil.
- the types of motors are also classified according to how the stator coil is wound. For example, there are a DC type variable voltage motor and an AC type three-phase induction motor.
- a shaft forming a rotating shaft, a rotor coupled to the shaft, and a stator fixed inside the housing are provided, and the stators are installed at predetermined intervals along the circumference of the rotor.
- stator is provided with a tooth so that a coil forming a rotating magnetic field is wound on the tooth to induce electrical interaction with the rotor to induce rotation of the rotor.
- the coil is divided into concentrated winding and distributed winding according to the winding method, and the concentrated winding is a winding method in which the coil is concentrated in one slot, and the distributed winding is divided into two or more slots. It is a winding method.
- a motor used in various home appliances eg, a hair dryer, a vacuum cleaner, etc.
- a split tooth to smoothly wind a coil according to miniaturization, and the split tooth can be fixed by bonding.
- the adhesive force needs to be increased in order to maintain rigidity, so the contact area divided from the split teeth needs to be increased.
- the output decreases due to an increase in core loss.
- Patent Document 1 (10-1135215, registered on April 3, 2012) publishes a split core of an EPS motor stator that can accurately maintain concentricity during assembly and disassembly
- Patent Document 2 (10-2002-0011819, 2002.02.09. Disclosure) publishes a stator core that forms a number of slots in the back yoke and couples the teeth to the back yoke according to the designer's application.
- Patent Document 1 In the case of a small motor, it is difficult to adopt the structure as in Patent Document 1 because the thickness of the back yoke is thin, and the shape of the joint is complicated, making it difficult to manufacture and stack a mold, and the back yoke may be vulnerable to vibration. .
- Patent Document 2 the distribution of magnetic flux density according to the number of slots may vary.
- one of the various problems of the present invention is to provide a stator having an improved structure capable of maintaining rigidity by increasing the adhesion of the split teeth.
- One of the various problems of the present invention is to provide a stator that increases the divided contact area of the dividing teeth and prevents the efficiency of the motor from deteriorating.
- One of the various problems of the present invention is to provide a stator in which a concentrated winding type coil winding is applied to a split core, and the split core is coupled to a back yoke.
- One of the various problems of the present invention is to provide a stator that minimizes a region in which magnetic flux does not flow among the area of the back yoke and prevents a decrease in the rigidity of the joint and the efficiency of the motor.
- an exemplary embodiment of the present invention is to provide a split core dimension ratio at a point where the bonding area is maximum and the efficiency of the motor is maximum.
- Another object of the present invention is to provide a stator capable of increasing the rigidity between a split tooth and a stator core by increasing an area of a joint without reducing the output.
- Another object of the present invention is to provide a stator capable of increasing back electromotive force by maximizing a junction area in a region having a low magnetic flux density to reduce leakage magnetic flux.
- the back yoke in the stator including a back yoke having a predetermined thickness in a radial direction and a splitting tooth coupled to the back yoke, the back yoke has a recessed groove into which the splitting teeth are inserted.
- the split tooth includes a winding portion forming a section in which the coil is wound, and a coupling portion extending from the winding portion and fitted into the groove, and a radial length of the back yoke in the coupling portion is the back yoke It provides a stator, characterized in that greater than half the length of the thickness of.
- the coupling portion may include a vertical portion extending from the winding portion toward a radial direction of the back yoke and a horizontal portion connecting the vertical portion, wherein the vertical portion is, the width of the winding portion is narrowed from the winding portion.
- a support part extending in a first direction and a joint part extending in a second direction opposite to the first direction from the support part, and the horizontal part may be formed by connecting both ends of the joint part, and the longest distance width of the joint part May be provided larger than the radial length of the coupling portion.
- the back yoke in a stator comprising a back yoke forming a thickness of a first length in a radial direction and a splitting tooth coupled to the back yoke, the back yoke has a groove, and the splitting The tooth includes a coupling portion fitted into the groove, and the coupling portion forms a thickness of a second length toward a radial direction of the back yoke, and the second length is 50% or more and less than 100% of the first length. Can be formed.
- some of the coupling portions form a width of a third length
- the second length and the third length may form a predetermined ratio
- the third length corresponds to 120% of the second length. Can be.
- the split tooth further includes a winding portion forming a section in which the coil is wound, the coupling portion may extend from the winding portion toward a radial direction of the back yoke, and the coupling portion may be formed from the winding portion to the bag It may include a vertical portion extending toward the radial direction of the yoke and a horizontal portion connecting the vertical portion.
- the vertical portion includes a support portion extending from the winding portion in a first direction in which the width of the winding portion becomes narrower, and a junction portion extending in a second direction opposite to the first direction from the support portion, and the horizontal portion It may be formed by connecting both ends of the joint, the longest distance width of the junction is formed as a third length, and the second length and the third length may form a predetermined ratio.
- the third length may correspond to 120% of the second length.
- the back yoke in the stator including a back yoke forming a thickness of a first length in a radial direction and a splitting tooth coupled to the back yoke, is a depression into which the splitting teeth are inserted.
- the groove is formed by a second length from the outer circumferential surface of the back yoke toward the radial direction of the back yoke, and the second length is formed to be 50% or more and less than 100% of the first length. Can be.
- some of the grooves form a width of a third length
- the second length and the third length may form a predetermined ratio
- the split teeth are combined protruding in correspondence with the shape of the groove. May contain more wealth.
- the area of the bonding joint between the split tooth and the back yoke increases, and the back electromotive force due to the decrease in magnetic flux saturation of the back yoke increases, thereby preventing a reduction in motor efficiency due to an increase in the area of the joint.
- FIG. 1 is a perspective view of a cleaner.
- FIG. 2 is an overall configuration diagram of a motor to which an embodiment of the present invention is applied.
- FIG 3 is a perspective view of a stator according to an embodiment of the present invention.
- Fig. 4 is a top view of the stator core and splitting teeth of Fig. 3;
- Figure 5 is an enlarged view of the joint portion of the split tooth and the back yoke of Figure 4;
- FIG. 6 is a view showing the motor magnetic flux according to the shape of the coupling portion.
- FIG. 7 is a view showing the bonding strength and the efficiency of the motor according to the shape ratio of the coupling portion.
- first, second, A, B, (a), and (b) may be used. These terms are for distinguishing the constituent element from other constituent elements, and the nature, order, or order of the constituent element is not limited by the term.
- FIG. 1 is a perspective view of a conventional vacuum cleaner.
- the vacuum cleaner includes a cleaner body 1 having a motor for generating a suction force, a suction nozzle 6 for sucking air containing dust, and the cleaner body 1 and the suction nozzle 6. It may include an extension pipe (5) to connect.
- the suction nozzle 6 may be directly connected to the cleaner body 1 without the extension pipe 5.
- the cleaner body 1 may include a dust bin 2 in which dust separated from air is stored. Accordingly, dust introduced through the suction nozzle 6 may be stored in the dust bin 2 through the extension pipe 5.
- the cleaner body 1 may be provided with a handle 3 for gripping by a user. The user can perform cleaning while holding the handle 3.
- the cleaner body 1 may be provided with a battery (not shown), and the cleaner body 1 may be provided with a battery accommodating part 4 in which the battery (not shown) is accommodated.
- the battery accommodating part 4 may be provided under the handle 3.
- the battery (not shown) may be connected to the suction nozzle 6 to supply power to the suction nozzle 6.
- FIG. 2 is an overall configuration diagram of a motor to which an embodiment of the present invention is applied.
- Fig. 2 the overall motor structure of the present embodiment is described, and the description of the coupling portion between the split tooth and the back yoke is described in Figs. 3 to 7, and the features of Figs. 3 to 7 are described in the overall configuration of Fig. 2. It will be understood that it applies.
- the motor is a motor unit 20, the motor unit 20 is accommodated and installed, the housing constituting the overall skeleton of the motor, the flow generation unit installed on the upper portion of the housing to generate the flow of air ( 30), and a diffuser 40 for dispersing the air flow generated in the flow generator 30.
- the motor unit 20 is an annular stator 21, a shaft 23 penetrating through the center of the stator 21, and a rotor installed on the shaft 23 and generating a rotational force by the stator 21 ( 22), and the shaft 23 is rotationally supported by a bearing 24.
- the motor unit 20 is a brushless direct current motor (BLDC).
- BLDC brushless direct current motor
- FIG. 1 a structure in which the stator 21 is disposed outside the rotor 22 as a BLDC motor is shown, but the motor having a structure in which the stator 21 is disposed inside the rotor 22 is not excluded.
- a motor housing 10 is provided below the motor unit 20 to form a space for accommodating the motor unit 20, and the motor housing 10 has a cylindrical motor installation unit 11 with an open top. ) And the connecting arm 14 extending radially outward from the upper end of the motor installation part 11 and at the ends of the connecting arm 14, and larger than the diameter of the motor installation part 11 An annular body coupling part 15 having a diameter is provided, and a bearing support part 12 fixedly supporting the bearing 24 under the motor part 20 is provided at the center of the bottom of the motor installation part 11 Can be.
- the bearing 24 may be installed in the form of a bearing assembly in which a bearing holder 70 and an elastic mesh 60 are sequentially wound around the outer circumferential surface of the bearing 24.
- a bracket 50, a diffuser 40, and a flow generation unit 30 may be provided on the upper portion of the motor unit 20, and the flow generation unit 30 includes an impeller 31 and an impeller cover 33 It may include.
- the bracket 50 may have a central portion 54 aligned with the hole 45 formed in the central portion of the diffuser and a support portion 51 formed in an annular shape and having a larger radius than the central portion 54, , A connection part 53 connecting the central part 54 and the support part 51 may be formed.
- the support part 51 may be provided with a fastening part 52 protruding in a radial direction and fastened to the motor housing 10 to support the upper portion of the motor part 20.
- a hole 45 is formed in a central portion, and a plurality of cooling flow path outlets 43 are provided along the outer circumferential surface of the hole 45 to provide a flow path through which heat generated from the motor unit 20 is discharged. To form.
- a cylindrical portion 412 forming an outer diameter corresponding to an outer diameter of the side wall of the motor mounting portion 11 along the radial direction of the diffuser 40 is formed, and a plurality of the cylindrical portions 412 are formed along the outer peripheral surface of the cylindrical portion 412.
- Four vanes 42 are provided to guide the flow of air pressurized by the impeller 31.
- the impeller 31 is installed on the upper portion of the diffuser 40 and a shaft hole 312 into which the shaft 23 is inserted is provided at the center of the impeller 31.
- the shaft snow hole 312 is formed on a hub 311 that supports the overall rigidity of the impeller 31, and the hub 311 has a surface that inclines downward as it gradually moves away from the center of rotation in the radial direction, It may be a four-flow impeller provided with radial blades 312.
- the impeller cover 33 is provided with an air intake port 331, which is a passage through which air moves, at an upper central portion, and is provided in a downward slope based on the air intake port 331, and a cover at the lower end of the impeller cover 33
- the coupling portion 342 may be provided, and the cover coupling portion 342 may be provided in a stepped shape so that the body coupling portion 15 is fitted inside the stepped shape.
- FIG 3 is a perspective view of a stator according to an embodiment of the present invention.
- the present embodiment may include a stator core 100 forming a back yoke and a split core 300 inserted in the axial direction of the stator core 100.
- the intensive winding is applied to the splitting teeth 320, and a tooth splitting core inserted in the axial direction (longitudinal direction) of the stator core 100 is taken as an example, and this is due to the miniaturization of the motor. This is because it is difficult to connect the tooth split core to the back yoke of the stator in the radial direction of the motor due to the space limitation due to the size of the stator core 100 generated.
- the term "radial direction" means that the stator core is provided in a cylindrical shape, and thus includes the outer and inner sides in the radial direction of the stator core, and in this embodiment, the length in the radial direction is the thickness or combination of the back yoke. It may mean a reference vector for the extended length of the negative and the depressed length of the groove.
- the stator core 100 may be provided in a cylindrical shape forming a space into which the split core 300 is inserted, and a part of the stator core 100 has an inner circumferential surface and an outer circumferential surface of the stator core 100. It can be depressed inward.
- flat portions 110a and 130a may be formed on some of the inner and outer circumferential surfaces of the stator core 100.
- the flat parts 110a and 130a can reduce the overall size of the motor by reducing the thickness of the stator core 100 in the radial direction, as well as resistance to magnetic flux flowing through the stator core 100. By removing some of the parts that can act, it is possible to improve the performance of the motor.
- At least one or more grooves 131 may be formed along a circumference of the inner circumferential surface 130 in a part of the inner circumferential surface 130 of the stator core 100, and the split core 300 may be formed in the groove 131.
- the teeth 320 may be coupled in the axial direction (longitudinal direction of the stator core).
- the split core 300 of the present embodiment is a tooth split core, and may be inserted into the stator core 100 based on an axis perpendicular to the radial direction of the stator core 100.
- the back yoke 150 of the stator core 100 forms a thickness W1 equal to the distance between the outer circumferential surface 110 and the inner circumferential surface 130 of the stator core 100, and the groove 131 is the The stator core 100 may be recessed from the inner circumferential surface 130 by the second length W2.
- the split teeth 320 may be fitted into the groove 131 and then fixed by a bonding method.
- the split core 300 may include an insulator 330 that surrounds the split teeth 320 and insulates between the coil 310 and the split teeth 320.
- the split tooth 320 includes a coupling portion 323 coupled to the groove 131 of the stator core 100 and a winding portion 321 extending from the coupling portion 323 in the radial direction of the back yoke. And a pole shoe part extending to both sides of the winding part 321 to form a magnetic circuit.
- the insulator 330 surrounds the outside of the winding part 321 and the pole shoe, and forms a section in which the coil 310 is wound.
- the pole shoe extends from the inside of the stator core 100 to both sides of the winding part 321 in a curved shape along a virtual circumferential surface, and the lead wire of the coil 310 is It may be drawn out between the inner circumferential surface of the stator core 300 and the virtual circumferential surface.
- FIG. 4 is a top view of the stator core and the splitting teeth of FIG. 3
- FIG. 5 is an enlarged view of a joint portion between the splitting teeth and the back yoke of FIG.
- the stator including a back yoke 150 forming a predetermined thickness in a radial direction, and a splitting tooth 320 coupled to the back yoke 150
- the back yoke 150 includes a recessed groove 131 into which the splitting teeth 320 are inserted, and the splitting teeth 320 is a winding part 321 forming a section in which the coil 310 is wound.
- a coupling portion 323 extending from the winding portion 321 and fitted into the groove 131, and the radial length W2 of the back yoke 150 at the coupling portion 323 is the It may be formed larger than half of the thickness length W1 of the back yoke.
- the coupling portion 323 may include a vertical portion 3231 extending from the winding portion 321 in the radial direction of the back yoke 150 and a horizontal portion 3234 connecting the vertical portion 3231,
- the vertical part 3231 has a support part 3232 extending from the winding part 321 in a first direction D1 in which the width of the winding part 321 is narrowed, and the first direction ( A junction portion 3233 extending in a second direction D2 opposite to D1) may be included, and the horizontal portion 3234 may be formed by connecting both ends of the junction portion 3233.
- the longest-distance width W3 of the bonding portion 3233 may be larger than the radial length W2 of the bonding portion 323.
- the winding part 321 may form a section in which a coil is wound, and the coupling part 323 and the pole shoe may be formed at both ends of the winding part 321, respectively.
- the coupling portion 323 refers to a portion in which the split teeth 320 is fitted into the groove 131, and can be fixed to the groove 131 by bonding to the entire outer area of the coupling portion 323. have. However, it is not necessary to perform bonding using the entire area of the bonding portion 323, and after bonding is performed only on the area corresponding to the bonding portion 3233 of the present embodiment, the split teeth 320 are placed in the groove 131. Can also be fixed.
- the coupling portion 323 extends from the junction portion 3233 fixed to the groove of the back yoke by a bonding method and the winding portion 321 in the first direction D1 where the width of the winding portion is narrowed.
- the support part 3233 may be formed, and the bonding part 3233 may be formed to extend from the support part 3233 in a second direction D2 opposite to the first direction D1.
- the first direction (D1) and the second direction (D2) mean a direction in which the vertical portion 3231 is bent toward a radial direction of the back yoke, and the support portion 3232 and the joint portion 3233 are It may mean a section bent and divided by the first direction and the second direction in the vertical part 3231.
- the splitting tooth 320 is formed by an external force acting in the radial direction of the back yoke. Can be prevented from being removed.
- FIG. 6 is a view showing the motor magnetic flux according to the shape of the coupling portion.
- FIG. 6A is a view showing the magnetic flux flowing at the junction between the split teeth and the back yoke in the related art
- FIG. 6B is a view showing the magnetic flux flowing at the junction between the split teeth and the back yoke in the present embodiment.
- the magnetic flux f flows through the back yoke and the teeth, and at this time, a region A through which the magnetic flux f does not pass is generated in a part of the radial thickness of the back yoke 150. It is done. If the thickness of the back yoke is reduced to reduce the area (A), the stiffness of the back yoke 150 may be weakened, and if the thickness of the back yoke is increased to increase the rigidity of the back yoke 150, the area Increasing (A) can increase unnecessary space.
- the shape of the dividing teeth capable of minimizing the area A and maintaining the stiffness of the back yoke and the adhesion between the dividing teeth and the back yoke are as described above.
- FIG. 7 is a view showing the bonding strength and motor efficiency according to the shape ratio of the bonding portion
- FIG. 8 is a view showing the bonding area, back electromotive force, and efficiency according to the shape of the bonding portion of FIG. 6.
- the thickness of the back yoke may form a first length W1 from the outer circumferential surface 110 to the inner circumferential surface 130 of the stator core, and the coupling part 323 is formed from the winding part 321 to the vertical part 3231 ) Extends to a second length (W2) in the radial direction of the back yoke to form a thickness equal to the second length (W2), among the widths of the vertical portion 3231 from the coupling portion 323 Some may form the third length W3.
- the second length W2 may be larger than half of the first length W1, and may form a predetermined ratio with the third length W3.
- the predetermined ratio may mean a ratio in which the third length W3 corresponds to 120% of the second length W2.
- FIG. 7A is a line graph showing the strength and efficiency of the bonding area according to the ratio of the second length W2 and the third length W3, and FIG. 7B is a bar graph with the same contents.
- the bonding area strength As the ratio of the second length (W2) and the third length (W3) approaches 1:1, the bonding strength increases, and the efficiency of the motor decreases from 1:2.5 to 1:1.5. After showing a trend, the efficiency at 1:1.2 again shows the same efficiency as the efficiency at 1:2.5, and it shows a trend that decreases again with a 1:1 ratio.
- the ratio of the radial thickness length (W'2) of the joint portion and the width-width length (W'3) of the joint portion in FIG. In this case, referring to FIG. 8, the area of the junction is 95.78mm ⁇ 2, the back electromotive force (BEMF) is 13.9Vrms, and the efficiency is 90.2%.
- the ratio of the second length W2, which is the radial thickness length of the coupling portion, and the third length W3, which is the width and width of the coupling portion, is 1:1.2.
- the area of the joint portion is 123.48mm. ⁇ 2
- Back ElectroMotive Force (BEMF) is 13.9Vrms, and the efficiency is 90.2%.
- a stator including a back yoke 150 forming a thickness of a first length W1 in a radial direction and a split tooth 320 coupled to the back yoke 150
- the back yoke 150 includes a recessed groove 131 into which the split teeth 320 is fitted, and the groove 131 is formed of the back yoke 150 from an outer circumferential surface of the back yoke 150.
- a second length (W2) is recessed from the inner circumferential surface 130 toward the radial direction of the back yoke 150, and the second length W2 is formed to be 50% or more 100% of the first length W1.
- W2 is recessed from the inner circumferential surface 130 toward the radial direction of the back yoke 150
- the groove 131 may be formed to be recessed by a depth greater than half of the thickness of the back yoke 150 and less than the thickness of the back yoke 150.
- Some of the grooves 131 may form a width of a third length W3, and the second length W2 and the third length W3 may form a predetermined ratio (1:1.2),
- the third length W3 may mean the maximum width at the junction.
- the coupling portion 323 corresponding to the shape of the groove 131 is formed extending from the winding portion 321 of the splitting tooth 320, and the splitting tooth 320 is coupled to and fixed to the stator core 100.
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Abstract
Description
Claims (15)
- 반경방향으로 소정의 두께를 형성하는 백요크 및 상기 백요크에 결합되는 분할티스를 포함하는 스테이터에 있어서,상기 백요크는 상기 분할티스가 끼워지는 함몰된 형태로 구비되는 홈;을 포함하고,상기 분할티스는,코일이 권선되는 구간을 형성하는 권선부; 및상기 권선부에서 연장되어 상기 홈에 끼워지는 결합부;를 포함하고,상기 결합부에서 상기 백요크의 반경방향 길이는 상기 백요크의 두께 길이의 절반보다 큰 것을 특징으로 하는 스테이터.
- 제1항에 있어서 상기 결합부는,상기 권선부에서 상기 백요크의 반경방향을 향해 연장되는 세로부; 및상기 세로부를 연결하는 가로부;를 포함하는 것을 특징으로 하는 스테이터.
- 제2항에 있어서 상기 세로부는,상기 권선부로부터 상기 권선부의 폭이 좁아지는 제1방향으로 연장되는 지지부; 및상기 지지부에서 상기 제1방향에 대향되는 제2방향으로 연장되는 접합부;를 포함하고,상기 가로부는 상기 접합부의 양단을 연결하며 형성되는 것을 특징으로 하는 스테이터.
- 제3항에 있어서,상기 접합부의 최장거리 폭은 상기 결합부의 반경방향 길이보다 더 큰 것을 특징으로 하는 스테이터.
- 반경방향으로 제1길이의 두께를 형성하는 백요크 및 상기 백요크에 결합되는 분할티스를 포함하는 스테이터에 있어서,상기 백요크는 홈이 형성되고, 상기 분할티스는 상기 홈에 끼워지는 결합부;를 포함하고,상기 결합부는, 상기 백요크의 반경방향을 향해 제2길이의 두께를 형성하고, 상기 제2길이는 상기 제1길이의 50% 이상 100% 미만으로 형성되는 것을 특징으로 하는 스테이터.
- 제5항에 있어서,상기 결합부 중 일부는 제3길이의 폭을 형성하고,상기 제2길이와 상기 제3길이는 소정의 비를 형성하는 것을 특징으로 하는 스테이터.
- 제6항에 있어서,상기 제3길이는 상기 제2길이의 120%에 대응되는 것을 특징으로 하는 스테이터.
- 제5항에 있어서,상기 분할티스는 코일이 권선되는 구간을 형성하는 권선부를 더 포함하고,상기 결합부는 상기 권선부에서 상기 백요크의 반경방향을 향해 연장되는 것을 특징으로 하는 스테이터.
- 제8항에 있어서 상기 결합부는,상기 권선부에서 상기 백요크의 반경방향을 향해 연장되는 세로부; 및상기 세로부를 연결하는 가로부;를 포함하는 것을 특징으로 하는 스테이터.
- 제9항에 있어서,상기 세로부는,상기 권선부로부터 상기 권선부의 폭이 좁아지는 제1방향으로 연장되는 지지부; 및상기 지지부에서 상기 제1방향에 대향되는 제2방향으로 연장되는 접합부;를 포함하고,상기 가로부는 상기 접합부의 양단을 연결하며 형성되는 것을 특징으로 하는 스테이터.
- 제10항에 있어서,상기 접합부의 최장거리 폭은 제3길이로 형성되고,상기 제2길이와 상기 제3길이는 소정의 비를 형성하는 것을 특징으로 하는 스테이터.
- 제11항에 있어서,상기 제3길이는 상기 제2길이의 120%에 대응되는 것을 특징으로 하는 스테이터.
- 반경방향으로 제1길이의 두께를 형성하는 백요크 및 상기 백요크에 결합되는 분할티스를 포함하는 스테이터에 있어서,상기 백요크는 상기 분할티스가 끼워지는 함몰된 형태로 구비되는 홈;을 포함하고,상기 홈은, 상기 백요크의 내주면으로부터 상기 백요크의 반경방향을 향해 제2길이만큼 함몰 형성되고, 상기 제2길이는 상기 제1길이의 50%이상 100%미만으로 형성되는 것을 특징으로 하는 스테이터.
- 제13항에 있어서,상기 홈 중 일부는 제3길이의 폭을 형성하고,상기 제2길이와 상기 제3길이는 소정의 비를 형성하는 것을 특징으로 하는 스테이터.
- 제14항에 있어서,상기 분할티스는, 상기 홈의 형상에 대응하여 돌출 형성된 결합부;를 더 포함하는 것을 특징으로 하는 스테이터.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20859886.2A EP4027488A4 (en) | 2019-09-04 | 2020-07-24 | STATOR |
| AU2020342033A AU2020342033B2 (en) | 2019-09-04 | 2020-07-24 | Stator |
| US17/640,650 US12149120B2 (en) | 2019-09-04 | 2020-07-24 | Stator with split teeth with coupling portion to back yoke |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0109495 | 2019-09-04 | ||
| KR1020190109495A KR102391686B1 (ko) | 2019-09-04 | 2019-09-04 | 스테이터 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021045383A1 true WO2021045383A1 (ko) | 2021-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2020/009759 Ceased WO2021045383A1 (ko) | 2019-09-04 | 2020-07-24 | 스테이터 |
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| Country | Link |
|---|---|
| US (1) | US12149120B2 (ko) |
| EP (1) | EP4027488A4 (ko) |
| KR (1) | KR102391686B1 (ko) |
| AU (1) | AU2020342033B2 (ko) |
| WO (1) | WO2021045383A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT202000022951A1 (it) * | 2020-09-29 | 2022-03-29 | Ducati Energia S P A | Generatore a magneti permanenti per la ricarica di bordo veicolo |
| KR102570833B1 (ko) * | 2022-07-22 | 2023-08-29 | 주식회사 코아오토모티브 | 스테이터조립체 및 이를 포함하는 모터 |
| WO2024127838A1 (ja) * | 2022-12-13 | 2024-06-20 | パナソニックIpマネジメント株式会社 | ステータコア及びモータ |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP4027488A4 (en) | 2023-08-30 |
| AU2020342033A1 (en) | 2022-04-21 |
| US20220360122A1 (en) | 2022-11-10 |
| US12149120B2 (en) | 2024-11-19 |
| KR102391686B1 (ko) | 2022-04-28 |
| AU2020342033B2 (en) | 2023-11-23 |
| EP4027488A1 (en) | 2022-07-13 |
| KR20210028425A (ko) | 2021-03-12 |
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