WO2021141362A1 - 모터 - Google Patents
모터 Download PDFInfo
- Publication number
- WO2021141362A1 WO2021141362A1 PCT/KR2021/000089 KR2021000089W WO2021141362A1 WO 2021141362 A1 WO2021141362 A1 WO 2021141362A1 KR 2021000089 W KR2021000089 W KR 2021000089W WO 2021141362 A1 WO2021141362 A1 WO 2021141362A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disposed
- space
- shaft
- partition wall
- motor
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
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- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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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
- H02K7/003—Couplings; Details of shafts
Definitions
- This embodiment relates to a motor.
- the pump serves to discharge the flow at a constant pressure.
- the oil circulated by the pump can be used to operate hydraulic systems using hydraulic pressure, or for cooling or lubricating effects.
- a mechanical oil pump is an oil pump that operates using the power of a machine such as an engine.
- EOP electric oil pump
- MOP mechanical oil pump
- the EOP may include a normal motor area and a motor area.
- the motor area includes a stator, a rotor and a rotating shaft.
- the pump region includes an inner rotor coupled to one end of the rotary shaft to receive rotational force from the rotary shaft, and an outer rotor accommodating the inner rotor.
- a magnet may be mounted at an end of the rotation shaft.
- a printed circuit board on which a position sensor is mounted may be disposed in a region partitioned from the motor region. Accordingly, the position detection sensor detects the magnetic force generated from the magnet according to the rotation of the rotation shaft, and the position of the rotation shaft may be detected.
- the printed circuit board should be disposed in an area partitioned from the arrangement area of the rotation shaft.
- the change in the strength of the magnetic force becomes weaker, so there is a problem in that the rotational positions of the rotor and the rotating shaft cannot be accurately detected.
- An object of the present embodiment is to provide a motor capable of accurately detecting the position of the rotating shaft by improving the structure and reducing the size of the product.
- the motor may include: a housing including a partition wall dividing a first space and a second space; a stator disposed in the first space; a rotor disposed in the stator; a shaft rotating together with the rotor and having a sensor magnet disposed at one end thereof; and a printed circuit board disposed in the second space, on one surface of which a position sensing sensor is disposed to face the sensor magnet in a vertical direction, and a shaft hole is disposed in the partition wall to pass through the other surface from one surface.
- the lower surface is in contact with the partition wall
- the upper surface may include a sealing member in which the receiving groove is formed so that the position sensor is disposed.
- the barrier rib may include a first guide protruding upward from an upper surface and a second guide protruding upward from the upper surface of the first guide.
- an upper surface of the sensor magnet may be disposed lower than an upper surface of the second guide, and may be disposed higher than an upper surface of the partition wall.
- the sealing member includes a first body disposed on a lower surface of the printed circuit board, and a second body protruding downward from the lower surface of the first body, wherein the second body is an inner side of the second guide can be placed in
- the lower surface of the second body may be in contact with the upper surface of the first guide.
- a side surface of the second body may be in contact with an inner surface of the second guide.
- the lower surface of the first body may be in contact with the upper surface of the second guide.
- the inner peripheral surface of the shaft hole may be formed with an inclined surface such that the cross-sectional area increases toward the lower side.
- the motor includes: a housing including a partition wall dividing the first space and the second space; a stator disposed in the first space; a rotor disposed in the stator; a shaft rotating together with the rotor and having a sensor magnet disposed at one end thereof; and a printed circuit board disposed in the second space, on one surface of which a position sensing sensor is disposed to face the sensor magnet in an up-down direction, wherein a shaft hole is disposed in the partition wall to pass through the other surface from one surface, and the shaft A sealing member is disposed between the inner circumferential surface of the hole and the sensor magnet.
- the present invention since the distance between the sensor magnet and the position sensing sensor is formed closer than in the prior art, there is an advantage in that the position of the rotor and the shaft can be more accurately detected.
- FIG. 1 is a perspective view of a motor according to a first embodiment of the present invention
- Figure 2 is a perspective view showing the motor according to the first embodiment of the present invention from another angle.
- FIG. 3 is a plan view showing the upper surface of the motor according to the first embodiment of the present invention.
- FIG. 4 is a cross-sectional view of a shaft hole according to a first embodiment of the present invention.
- Figure 5 is a perspective view showing an upper surface of the second space according to the first embodiment of the present invention.
- Figure 6 is a perspective view showing a state in which the sealing member is coupled in Figure 5;
- FIG. 7 is a cross-sectional view showing a rotation sensing structure according to a first embodiment of the present invention.
- FIG. 8 is a perspective view of a motor according to a second embodiment of the present invention.
- FIG. 9 is a perspective view showing a motor according to a second embodiment of the present invention from another angle;
- FIG. 10 is a plan view showing an upper surface of a motor according to a second embodiment of the present invention.
- FIG. 11 is a perspective view illustrating a bottom surface of a second space according to a second embodiment of the present invention.
- FIG. 12 is a perspective view of a rotation sensing structure according to a second embodiment of the present invention.
- FIG. 13 is a cross-sectional view of a rotation sensing structure according to a second embodiment of the present invention.
- the terms used in the embodiments of the present invention are for describing the embodiments and are not intended to limit the present invention.
- the singular form may also include the plural form unless otherwise specified in the phrase, and when it is described as "At least one (or more than one) of A and (and) B, C", it is combined as A, B, C It may contain one or more of all possible combinations.
- a component is 'connected', 'coupled' or 'connected' to another component
- the component is not only directly connected, coupled or connected to the other component, but also the component It may also include a case of 'connected', 'coupled' or 'connected' due to another element between the and another element.
- upper (above) or lower (lower) is not only when the two components are in direct contact with each other, but also also also includes cases in which one or more other components are formed or disposed between two components.
- up (up) or down (down) it may include not only the upward direction but also the meaning of the downward direction based on one component.
- FIG. 1 is a perspective view of a motor according to a first embodiment of the present invention
- FIG. 2 is a perspective view showing a motor according to a first embodiment of the present invention from another angle
- FIG. 3 is a first embodiment of the present invention
- Figure 4 is a cross-sectional view of the shaft hole according to the first embodiment of the present invention
- Figure 5 is a perspective view showing the upper surface of the second space according to the first embodiment of the present invention
- 6 is a perspective view showing a state in which the sealing member is coupled in FIG. 5
- FIG. 7 is a cross-sectional view showing a rotation sensing structure according to the first embodiment of the present invention.
- the motor 100 may have an external shape formed by coupling the housing 110 and the cover 200 .
- the cover 200 may be coupled to the upper surface of the housing 110 .
- a first space 111 may be formed in the housing 110 so that the stator 120 , the rotor (not shown), and the shaft 180 are disposed.
- a separate cover (not shown) may be coupled to the lower surface of the housing 110 to cover the lower surface of the housing 110 .
- the space in the separate housing may be partitioned by the first space 111 .
- the stator 120 , the rotor (not shown) and the shaft 180 may be disposed in the first space 111 .
- the stator 120 may include a stator core 122 and a coil 124 wound around the stator core 122 .
- An insulator (not shown) may be disposed on the outer surface of the stator core 122 so that the coil 124 is wound.
- a rotor to which a shaft is coupled to the center may be disposed inside the stator 120 .
- the rotor may include a rotor core and a magnet. Accordingly, when a current is applied to the coil, the shaft may rotate together with the rotor by electromagnetic interaction between the coil and the magnet.
- a bearing 186 for supporting the rotation of the shaft 180 may be disposed in the first space 111 .
- a second space 118 may be formed on the upper surface of the housing 110 so that the printed circuit board 190 is disposed.
- the second space 118 may be formed to be recessed below the other area of the upper surface of the housing 110 .
- the second space 118 may be partitioned from other regions by an edge portion 119 .
- the cover 200 is coupled to the upper surface of the housing 110 , the second space 118 may be covered from an external area.
- the printed circuit board 190 may be disposed in the second space 118 .
- a plurality of electronic components for driving the motor 100 may be disposed on the printed circuit board 190 .
- a position detection sensor 192 to be described later may be disposed on the printed circuit board 190 .
- the first space 111 and the second space 118 may be partitioned by a partition wall 140 .
- a lower surface of the partition wall 140 may form an upper surface of the first space 111 .
- An upper surface of the partition wall 140 may form a bottom surface of the second space 118 .
- a terminal 130 may be disposed on the bottom surface of the second space 118 through the partition wall 140 .
- the terminal 130 may electrically couple the printed circuit board 190 and the coil 124 to each other.
- a sensor magnet 182 may be disposed at one end of the shaft 180 to sense the position of the rotor and the shaft 180 .
- the sensor magnet 182 may be coupled to the upper end of the shaft 180 .
- the sensor magnet 182 may be coupled to the upper outer peripheral surface of the shaft 180 .
- a position sensing sensor 192 may be disposed on a lower surface of the printed circuit board 190 facing the sensor magnet 182 .
- the position detection sensor 192 and the sensor magnet 182 may be disposed to face each other in the vertical direction.
- the position sensing sensor 192 may sense the magnetic force generated by the sensor magnet 182 to detect the position of the shaft 180 .
- the position sensor 192 is a 3-axis linear sensor capable of detecting a position in the X-axis, Y-axis, and Z-axis directions, and converts two sensed values among the measured values into a linear form of the shaft 180 . position can be detected.
- the position sensor 192 may include a Hall sensor.
- a distance between the sensor magnet 182 and the position sensing sensor 192 may be formed to be 1.0 mm or less.
- the upper surface of the sensor magnet 182 may be disposed higher than the upper surface of the partition wall 140 .
- a top surface of the sensor magnet 182 may be disposed higher than a bottom surface of the second space 118 .
- a shaft hole 150 may be formed in the partition wall 140 so that at least a portion of the shaft 180 passes through the lower surface from the upper surface.
- An upper portion of the shaft 180 may be disposed inside the shaft hole 150 through the shaft hole 150 . Since the sensor magnet 182 is disposed on the upper end of the shaft 180 , the sensor magnet 182 and the position detection sensor 192 may be disposed relatively close to each other through the shaft hole 150 .
- a first guide 152 protruding upward from the upper surface of the partition wall 140 and having the shaft hole 150 disposed therein, and a second guide protruding upward from the upper surface of the first guide 152 .
- the first guide 152 and the second guide 154 may be formed to have a step difference.
- the first guide 152 may be disposed inside the second guide 154 .
- An upper surface of the second guide 154 may be formed to be higher than an upper surface of the first guide 152 .
- the upper end of the shaft 180 and the upper surface of the sensor magnet 182 may be disposed lower than the upper surface of the first guide 152 .
- An inclined surface 156 may be formed on the inner peripheral surface of the shaft hole 150 so that the cross-sectional area becomes wider as it goes downward.
- the inner circumferential surface of the shaft hole 150 may be a curved surface having a shape in which the cross-sectional area becomes wider as it goes downward. Accordingly, when assembling the shaft 180 in the housing 110 , the shaft 180 may be easily guided to the shaft hole 150 .
- a sealing member 220 may be disposed on a lower surface of the printed circuit board 190 .
- the upper surface of the sealing member 220 may be coupled to the lower surface of the printed circuit board 190 , and the lower surface may be coupled to the upper surface of the partition wall 140 .
- the sealing member 220 may be disposed to surround the position detection sensor 192 .
- the sealing member 220 includes a first body 224 coupled to the lower surface of the printed circuit board 190 , and the second guide 154 protruding downward from the lower surface of the first body 224 .
- ) may include a second body 226 disposed on the inside.
- a cross-sectional area of the second body 226 may be smaller than a cross-sectional area of the first body 224 .
- a lower surface of the second body 226 may be in contact with an upper surface of the first guide 152 .
- a side surface of the second body 226 may be in contact with an inner surface of the second guide 154 .
- a lower surface of the first body 224 may be in contact with an upper surface of the second guide 154 .
- the first space 111 and the second space 118 may be mutually sealed by the sealing member 220 .
- a receiving groove 222 in which the position detection sensor 192 is accommodated may be formed inside the first body 224 and the second body 226 . That is, the accommodating groove 222 may be formed to be depressed downwardly from the center of the upper surface of the sealing member 220 , than other regions.
- the sealing member 220 may be formed of a rubber or resin material.
- FIG. 8 is a perspective view of a motor according to a second embodiment of the present invention
- FIG. 9 is a perspective view showing a motor according to a second embodiment of the present invention from another angle
- FIG. 10 is a second embodiment of the present invention.
- Figure 11 is a perspective view showing the bottom surface of the second space according to the second embodiment of the present invention
- Figure 12 is the rotation sensing structure according to the second embodiment of the present invention It is a perspective view
- FIG. 13 is a cross-sectional view of a rotation sensing structure according to a second embodiment of the present invention.
- the motor 300 according to the second embodiment of the present invention may have an external shape formed by coupling the housing 310 and the cover 500 .
- the cover 500 may be coupled to the upper surface of the housing 310 .
- a first space 311 may be formed in the housing 310 so that a stator 320 , a rotor (not shown), and a shaft 380 are disposed.
- a separate cover (not shown) may be coupled to the lower surface of the housing 310 to cover the lower surface of the housing 110 .
- the space in the separate housing may be partitioned from the first space 311 .
- the stator 320 , the rotor (not shown) and the shaft 380 may be disposed in the first space 311 .
- the stator 320 may include a stator core 322 and a coil 324 wound around the stator core 322 .
- An insulator (not shown) may be disposed on the outer surface of the stator core 322 so that the coil 324 is wound.
- a rotor to which the shaft 380 is coupled may be disposed in the center of the stator 320 .
- the rotor may include a rotor core and a magnet. Accordingly, when a current is applied to the coil, the shaft 380 may rotate together with the rotor due to electromagnetic interaction between the coil and the magnet.
- a bearing 386 for supporting the rotation of the shaft 380 may be disposed in the first space 311 .
- a second space 318 may be formed on the upper surface of the housing 310 so that the printed circuit board 390 is disposed.
- the second space 318 may be formed to be recessed below the other area of the upper surface of the housing 310 .
- the second space 318 may be partitioned from other regions by an edge portion 317 .
- the cover 500 is coupled to the upper surface of the housing 310 , the second space 318 may be covered from an external area.
- the printed circuit board 390 may be disposed in the second space 318 .
- a plurality of electronic components for driving the motor 300 may be disposed on the printed circuit board 390 .
- a position detection sensor 392 to be described later may be disposed on the printed circuit board 390 .
- the first space 311 and the second space 318 may be partitioned by a partition wall 340 .
- a lower surface of the partition wall 340 may form an upper surface of the first space 311 .
- An upper surface of the partition wall 340 may form a bottom surface of the second space 318 .
- a terminal 330 may be disposed on the bottom surface of the second space 318 through the partition wall 340 .
- the terminal 330 may electrically couple the printed circuit board 390 and the coil 324 to each other.
- a sensor magnet 382 may be disposed at one end of the shaft 380 to sense the position of the rotor and the shaft 380 .
- the sensor magnet 382 may be coupled to the upper end of the shaft 380 .
- the sensor magnet 382 may be coupled to an upper outer peripheral surface of the shaft 380 .
- a magnet cover 386 may be disposed on the upper end of the shaft 380 to surround the sensor magnet 382 .
- the magnet cover 386 may be coupled to the upper end of the shaft 380 to accommodate the sensor magnet 382 inside.
- a through hole 387 penetrating from the upper surface to the lower surface is formed in the magnet cover 386 , and the sensor magnet 382 may be disposed to face the position detection sensor 392 in the vertical direction.
- a position detecting sensor 392 may be disposed on a lower surface of the printed circuit board 390 facing the sensor magnet 382 .
- the position detection sensor 392 and the sensor magnet 382 may be disposed to face each other in the vertical direction.
- the position sensor 392 may sense the magnetic force generated by the sensor magnet 382 to detect the position of the shaft 380 .
- the position sensor 392 is a three-axis linear sensor capable of detecting positions in the X-axis, Y-axis, and Z-axis directions, and converts two sensed values among the measured values into a linear motion of the shaft 380 . position can be detected.
- the position sensor 392 may include a Hall sensor.
- a distance between the sensor magnet 382 and the position detection sensor 392 may be 1.0 mm or less.
- An upper surface of the sensor magnet 382 may be disposed higher than a lower surface of the partition wall 340 .
- the upper surface of the sensor magnet 382 may form the same height as the bottom surface of the second space 318 or may be disposed higher than the bottom surface of the second space 318 .
- a shaft hole 342 may be formed in the partition wall 340 so that at least a portion of the shaft 380 penetrates through the lower surface from the upper surface. A portion of an upper end of the shaft 380 may be disposed inside the shaft hole 342 through the shaft hole 342 . Since the sensor magnet 382 is disposed on the upper end of the shaft 380 , the sensor magnet 382 and the position detection sensor 392 may be disposed relatively close to each other through the shaft hole 342 .
- a sealing member 400 may be disposed inside the shaft hole 342 .
- the sealing member 400 may be disposed such that an outer circumferential surface is in contact with the inner circumferential surface of the shaft hole 342 , and a portion of the inner circumferential surface presses a portion of the outer circumferential surface of the shaft 380 .
- the sealing member 400 may be formed of a rubber material to seal the first space 311 and the second space 318 from each other.
- the sealing member 400 may have a ring-shaped cross section in which a hole 420 is formed in the center.
- a rib 412 at least partially protruding outward may be formed on the outer peripheral surface of the sealing member 400 .
- the rib 412 may be disposed at the lower end of the outer circumferential surface of the sealing member 400 .
- a rib groove 346 which is recessed to the outside of the other area may be disposed in a region facing the rib 412 among the inner circumferential surfaces of the shaft hole 342 . Accordingly, the rib 412 may be coupled to the rib groove 346 . Accordingly, the sealing member 400 may be firmly fixed in the shaft hole 342 .
- a pressing portion 414 that protrudes inward than other regions may be formed.
- the pressing part 414 may be in contact with the outer peripheral surface of the shaft 380 .
- the pressing part 414 may be formed to press the outer surface of the magnet cover 386 . Accordingly, a gap is not generated between the magnet cover 386 and the sealing member 400 , so that the first space 311 and the second space 318 may be sealed from each other.
- An inclined surface 416 having a shape in which the cross-sectional area becomes smaller toward the lower side may be formed on the inner surface of the pressing part 414 . Accordingly, an area other than the lower end of the pressing part 414 may be spaced apart from the outer surface of the magnet cover 386 . That is, by forming a relatively small contact area between the sealing member 400 and the shaft 380 , the rotational efficiency of the shaft 380 can be improved.
- a protrusion 344 protruding upward from the other regions may be formed in an edge region of the arrangement region of the shaft hole 342 among the upper surfaces of the partition wall 340 . Accordingly, the shaft hole 342 may be disposed inside the protrusion 344 . As a result, since the upper end of the shaft 380 can be disposed relatively higher than the other regions of the upper surface of the partition wall 340, the distance between the sensor magnet 382 and the position detection sensor 392 is formed to be closer. can
- the upper surface of the protrusion 344 may be formed to protrude upward as it gets closer to the shaft hole 342 in the radial direction.
- the upper surface of the protrusion 344 may be curved.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims (10)
- 제1공간과 제2공간을 구획하는 격벽을 포함하는 하우징;상기 제1공간 내 배치되는 스테이터;상기 스테이터 내 배치되는 로터;상기 로터와 함께 회전하며, 일단에 센서 마그넷이 배치되는 샤프트; 및상기 제2공간 내 배치되며, 일면에 상기 센서 마그넷과 상하 방향으로 마주하도록 위치감지 센서가 배치되는 인쇄회로기판을 포함하며,상기 격벽에는 일면으로부터 타면을 관통하도록 샤프트홀이 배치되는 모터.
- 제 1 항에 있어서,하면이 상기 격벽에 접촉되고, 상면에 상기 위치감지 센서가 배치되도록 수용홈이 형성되는 실링부재를 포함하는 모터.
- 제 2 항에 있어서,상기 격벽은, 상면으로부터 상방으로 돌출되는 제1가이드와, 상기 제1가이드의 상면으로부터 상방으로 돌출되는 제2가이드를 포함하는 모터.
- 제 3 항에 있어서,상기 센서 마그넷의 상면은 상기 제2가이드의 상면 보다 낮게 배치되고, 상기 격벽의 상면 보다 높게 배치되는 모터.
- 제 3 항에 있어서,상기 실링부재는, 상기 인쇄회로기판의 하면에 배치되는 제1몸체와, 상기 제1몸체의 하면으로부터 하방으로 돌출되는 제2몸체를 포함하고,상기 제2몸체는 상기 제2가이드의 내측에 배치되는 모터.
- 제 5 항에 있어서,상기 제2몸체의 하면은 상기 제1가이드의 상면에 접촉되는 모터.
- 제 5 항에 있어서,상기 제2몸체의 측면은 상기 제2가이드의 내면에 접촉되는 모터.
- 제 5 항에 있어서,상기 제1몸체의 하면은 상기 제2가이드의 상면에 접촉되는 모터.
- 제 1 항에 있어서,상기 샤프트홀의 내주면은 하방으로 갈수록 단면적이 커지도록 경사면이 형성되는 모터.
- 제1공간과 제2공간을 구획하는 격벽을 포함하는 하우징;상기 제1공간 내 배치되는 스테이터;상기 스테이터 내 배치되는 로터;상기 로터와 함께 회전하며, 일단에 센서 마그넷이 배치되는 샤프트; 및상기 제2공간 내 배치되며, 일면에 상기 센서 마그넷과 상하 방향으로 마주하도록 위치감지 센서가 배치되는 인쇄회로기판을 포함하며,상기 격벽에는 일면으로부터 타면을 관통하도록 샤프트홀이 배치되고,상기 샤프트홀의 내주면과 상기 센서 마그넷 사이에는 실링부재가 배치되는 모터.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21738894.1A EP4089892A4 (en) | 2020-01-09 | 2021-01-05 | Motor |
| CN202180008498.4A CN115428309B (zh) | 2020-01-09 | 2021-01-05 | 电机 |
| US17/788,041 US12313049B2 (en) | 2020-01-09 | 2021-01-05 | Motor and position sensing arrangement |
| JP2022540430A JP7640556B2 (ja) | 2020-01-09 | 2021-01-05 | モーター |
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| CN (1) | CN115428309B (ko) |
| WO (1) | WO2021141362A1 (ko) |
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| DE102022134622A1 (de) * | 2022-12-22 | 2024-06-27 | Dr. Fritz Faulhaber GmbH & Co.KG | Motor mit Drehgeber und Trägerelement für einen Motor mit Drehgeber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012114997A (ja) * | 2010-11-22 | 2012-06-14 | Nidec Sankyo Corp | モータ |
| JP2017015658A (ja) * | 2015-07-06 | 2017-01-19 | 株式会社ジェイテクト | 回転角検出装置 |
| KR20170120699A (ko) * | 2015-03-31 | 2017-10-31 | 니혼 덴산 가부시키가이샤 | 모터, 및 전동 파워 스티어링 장치 |
| KR102002727B1 (ko) * | 2018-05-11 | 2019-07-23 | (주)타마스 | 몰드 커버를 갖는 중공축 모터 |
| KR102057327B1 (ko) * | 2018-12-18 | 2019-12-19 | 주식회사 삼현 | 변속 액츄에이터의 마그넷 홀더 장착 구조체 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005247227A (ja) * | 2004-03-08 | 2005-09-15 | Hitachi Ltd | 液圧制御装置 |
| JP2005348525A (ja) * | 2004-06-03 | 2005-12-15 | Mabuchi Motor Co Ltd | モータ組み込み回転検出装置及びその製造方法 |
| KR101848930B1 (ko) | 2011-12-13 | 2018-04-13 | 엘지이노텍 주식회사 | 레졸버를 가지는 모터 |
| JP5850259B2 (ja) * | 2012-11-28 | 2016-02-03 | 株式会社デンソー | 回転電機 |
| DE102014213324A1 (de) | 2014-07-09 | 2016-01-14 | Zf Friedrichshafen Ag | Elektromechanischer Stellantrieb |
| EP3109984A4 (en) * | 2014-08-01 | 2017-07-19 | Panasonic Intellectual Property Management Co., Ltd. | Motor |
| JP6447048B2 (ja) | 2014-11-20 | 2019-01-09 | 日本電産株式会社 | モータ |
| DE102015205872B4 (de) | 2015-04-01 | 2022-10-20 | Schaeffler Technologies AG & Co. KG | Aktor, umfassend ein Elektronikmodul mit Deckelelement zur besseren Ausrichtung von Sensor und Rotorlagemagnet |
| JP6593625B2 (ja) * | 2015-05-25 | 2019-10-23 | 株式会社ジェイテクト | 回転角検出装置 |
| KR102397192B1 (ko) * | 2015-08-05 | 2022-05-12 | 엘지이노텍 주식회사 | 센서 조립체 및 이를 포함하는 모터 |
| JP6504666B2 (ja) | 2016-03-11 | 2019-04-24 | オムロンオートモーティブエレクトロニクス株式会社 | 電動モータ制御装置 |
| CN105978237B (zh) * | 2016-06-17 | 2019-04-05 | 浙江绿源电动车有限公司 | 外转子电机及电动车 |
| KR102534984B1 (ko) * | 2016-08-30 | 2023-05-22 | 에이치엘만도 주식회사 | 완충기의 에너지 회생장치 |
| US10958139B2 (en) * | 2017-01-13 | 2021-03-23 | Nidec Corporation | Sensor magnet assembly and motor |
| WO2018135805A1 (ko) * | 2017-01-19 | 2018-07-26 | 엘지이노텍 주식회사 | 센싱 마그넷 조립체, 로터 위치 감지장치 및 이를 포함하는 모터 |
| KR102516544B1 (ko) * | 2017-11-13 | 2023-03-31 | 엘지이노텍 주식회사 | 센싱 마그넷 조립체 및 이를 포함하는 모터 |
| CN108662038B (zh) | 2017-03-27 | 2022-06-28 | 德昌电机(深圳)有限公司 | 执行器及应用其的电子离合器系统 |
| CN206908424U (zh) * | 2017-04-28 | 2018-01-19 | 宝沃汽车(中国)有限公司 | Isg电机的密封结构及具有其的动力总成和车辆 |
| KR20190010895A (ko) * | 2017-06-29 | 2019-02-01 | 프레스토라이트아시아 주식회사 | 전기차량용 구동모터의 속도감지센서 |
| DE112018003855T5 (de) * | 2017-07-28 | 2020-04-09 | Nidec Corporation | Motor |
| DE102017218648A1 (de) | 2017-10-19 | 2019-04-25 | Robert Bosch Gmbh | Antriebsaggregat, insbesondere Hydraulikaggregat einer elektronisch schlupfregelbaren Fahrzeugbremsanlage |
| EP3706293B1 (en) * | 2017-11-02 | 2023-09-06 | LG Innotek Co., Ltd. | Motor |
| KR102493906B1 (ko) * | 2017-11-02 | 2023-01-31 | 엘지이노텍 주식회사 | 모터 |
| KR102715312B1 (ko) * | 2018-12-04 | 2024-10-11 | 엘지이노텍 주식회사 | 모터 |
| CN115699531A (zh) * | 2020-06-04 | 2023-02-03 | Lg伊诺特有限公司 | 电机 |
-
2021
- 2021-01-05 JP JP2022540430A patent/JP7640556B2/ja active Active
- 2021-01-05 EP EP21738894.1A patent/EP4089892A4/en active Pending
- 2021-01-05 US US17/788,041 patent/US12313049B2/en active Active
- 2021-01-05 WO PCT/KR2021/000089 patent/WO2021141362A1/ko not_active Ceased
- 2021-01-05 CN CN202180008498.4A patent/CN115428309B/zh active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012114997A (ja) * | 2010-11-22 | 2012-06-14 | Nidec Sankyo Corp | モータ |
| KR20170120699A (ko) * | 2015-03-31 | 2017-10-31 | 니혼 덴산 가부시키가이샤 | 모터, 및 전동 파워 스티어링 장치 |
| JP2017015658A (ja) * | 2015-07-06 | 2017-01-19 | 株式会社ジェイテクト | 回転角検出装置 |
| KR102002727B1 (ko) * | 2018-05-11 | 2019-07-23 | (주)타마스 | 몰드 커버를 갖는 중공축 모터 |
| KR102057327B1 (ko) * | 2018-12-18 | 2019-12-19 | 주식회사 삼현 | 변속 액츄에이터의 마그넷 홀더 장착 구조체 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4089892A4 * |
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| Publication number | Publication date |
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| EP4089892A1 (en) | 2022-11-16 |
| CN115428309B (zh) | 2026-01-02 |
| JP7640556B2 (ja) | 2025-03-05 |
| US12313049B2 (en) | 2025-05-27 |
| JP2023510517A (ja) | 2023-03-14 |
| US20230028181A1 (en) | 2023-01-26 |
| CN115428309A (zh) | 2022-12-02 |
| EP4089892A4 (en) | 2023-06-28 |
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