WO2019054574A1 - 슬라이드 베어링 방식을 이용한 무선충전용 x-y 가이드 - Google Patents
슬라이드 베어링 방식을 이용한 무선충전용 x-y 가이드 Download PDFInfo
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- WO2019054574A1 WO2019054574A1 PCT/KR2017/014697 KR2017014697W WO2019054574A1 WO 2019054574 A1 WO2019054574 A1 WO 2019054574A1 KR 2017014697 W KR2017014697 W KR 2017014697W WO 2019054574 A1 WO2019054574 A1 WO 2019054574A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B5/00—Adjusting position or attitude, e.g. level, of instruments or other apparatus, or of parts thereof; Compensating for the effects of tilting or acceleration, e.g. for optical apparatus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
Definitions
- the present invention relates to an X-Y guide for wireless charging using a slide bearing method, and more particularly, A lower cover covered by the upper cover; An X-axis rail fixed across from the one end to the other end of the lower cover; A pair of second slide bearings coupled to both ends of the X-axis rail; An X-axis rack gear fixedly coupled to the X-axis rail; An X-axis motor coupled to the X-axis pinion gear rotating in engagement with the X-axis rack gear; A Y-axis rail having a first through-hole surrounded by the X-axis motor and a second through-hole surrounded by a Y-axis motor formed perpendicularly to the X-axis motor; A Y-axis motor coupled to a Y-axis pinion gear rotating in engagement with a Y-axis rack gear coupled to a lower portion of the slider; A pair of first slide bearings coupled to the slider and
- Japanese Unexamined Patent Publication No. 5-92376 discloses a two-dimensional moving device as shown in Fig.
- the above publication discloses a structure in which a single X-axis guide 14 and X-axis lock 12, one Y-axis guide 26, a Y-axis lock 24, and a Y- An X-axis slider guide 30 having a pinion gear 33 meshed with each lock 24 and movable along the Y-axis direction along the Y-axis guide, a ball screw 34 parallel to the X-axis slider guide 30, A Y-axis slider guide 18 movable along the X-axis guide along the X-axis guide and a ball screw (not shown) parallel to the X- A slider 42 which is threadedly engaged with the ball screws 34 and 38 and movable along the X and Y directions of the X and Y axis slider guides and the ball screws 34 and 38, A two-dimensional moving mechanism having motors (38, 40) for moving along X and Y directions is disclosed.
- Japanese Unexamined Patent Application Publication No. 2008-109762 discloses a two-dimensional moving device that does not use a lock.
- the X-axis drive belt is screwed to the feed screw axis
- the feed screw shaft is driven to rotate by the X motor to move the X-axis drive belt along the X-axis direction
- a Y-axis drive belt is screwed to a feed screw shaft
- the feed screw shaft is rotationally driven by a Y motor to move the Y-axis drive belt along the Y-axis direction.
- the material of the feed screw shaft is not described.
- the feed screw shaft is generally manufactured by machining a round bar made of metal, and the long screw shaft is extremely costly.
- Korean Patent Laid-Open Publication No. 2012-0099571 discloses a two-dimensional moving mechanism for freely moving a table in the X-axis direction and the Y-axis direction as shown in Figs. 1 (a) and (b) Dimensional moving mechanism that facilitates a two-dimensional movement mechanism.
- each pair of pinions which are simultaneously engaged with the teeth near both ends of the respective locks provided on the X-axis slider and the Y-axis slider are disposed.
- Each of the above-mentioned pairs of pinions is driven by each of the motors and rotated synchronously.
- the conventional table can not be freely moved in the X-axis direction and the Y-axis direction, and in particular, the coil can not reach the arranged portion of the motor and the like.
- the present invention has been conceived to solve the problems as described above, and it is an object of the present invention to provide a wireless communication system in which a center coil can be moved to any position of a whole area of a case,
- the present invention provides an XY guide for wireless charging using a slide bearing method that can accurately perform a charging operation without causing a magnetic induction effect.
- the present invention is characterized in that the X-axis motor and the Y-axis motor are inserted into the through hole connecting between the slider and the Y-axis rail and between the Y-axis rail and the X-axis rail, And to provide a wireless charging XY guide using a slide bearing method that can produce as slim as possible.
- the coil is wound in the form of a circle, an ellipse, or a rectangle.
- the X-axis motor and the Y-axis motor are coupled to a coupling hole formed in the Y-axis rail, and an area exposed by the upper portion of the coupling hole of the X-axis motor and the Y-axis motor is a space between the slider and the Y- Axis of the Y-axis rail is installed so as not to interfere with the movement of the Y-axis in the Y-axis, and the area exposed to the lower side of the coupling hole is a space between the Y-axis rail and the X-axis rail.
- the second slide bearing is a bearing which is " C " -shaped at both ends of the X-axis rail.
- the first slide bearing is E-shaped, and both ends of the Y-axis rail are coupled to the lower end of the "E” shape, and the slider is engaged with the upper end of the "E” shape.
- a drive unit (drive motor, rack and pinion gear) is disposed between a guide rail (X, Y axis rail) and a slider to eliminate dead space and perform stable running Can be obtained.
- the center coil can be moved to any position in the entire area of the case, so that the same wireless charging efficiency can be obtained regardless of the position of the wireless terminal.
- the present invention is slim when installed in a vehicle, and can be matched with any interior of the interior, and can have the same wireless charging efficiency regardless of the location of the wireless terminal due to an external impact.
- the present invention is characterized in that the driving portion is located at the center of the rail and the slider, so that a smooth and stable running can be obtained, and thus the noise is small.
- the present invention is a flat board type, it can be installed in a flat place under the center fascia where the preference of a wireless terminal such as a smart phone is highest in a vehicle, so that it is very beautiful in appearance.
- the present invention uses a slim slide bearing of a C-shape and an E-shape to reduce thickness, noise and durability.
- FIG. 1 is a view showing the overall configuration of a wireless charger according to the prior art.
- FIG. 2 and FIG. 3 are diagrams illustrating the overall configuration of the wireless charging X-Y guide using a slide bearing method in detail in a transparent manner according to an embodiment of the present invention.
- FIG. 4 is a view showing a center coil that freely slides in the X-axis and Y-axis directions inside the lower cover covered by the upper cover to reach the optimum position of wireless charging according to an embodiment of the present invention.
- FIG. 5 is a view showing gears etc. fixed to the X-axis rail according to an embodiment of the present invention.
- FIG. 6 is a view showing an internal configuration of a wireless charging X-Y guide using a slide bearing system according to an embodiment of the present invention.
- FIG. 7 and 8 are views showing a slide bearing according to an embodiment of the present invention.
- FIG. 9 is a view showing a method of manufacturing a wireless charging X-Y guide using a slide bearing system according to an embodiment of the present invention.
- the present invention relates to an upper cover, A lower cover covered by the upper cover; An X-axis rail fixed across from the one end to the other end of the lower cover; A pair of second slide bearings coupled to both ends of the X-axis rail; An X-axis rack gear fixedly coupled to the X-axis rail; An X-axis motor coupled to the X-axis pinion gear rotating in engagement with the X-axis rack gear; A Y-axis rail having a first through-hole surrounded by the X-axis motor and a second through-hole surrounded by a Y-axis motor formed perpendicularly to the X-axis motor; A Y-axis motor coupled to a Y-axis pinion gear rotating in engagement with a Y-axis rack gear coupled to a lower portion of the slider; A pair of first slide bearings coupled to the slider and the Y-axis rail, the pair of first slide bearings being coupled to both ends of the Y-axis rail at the lower
- the X-axis rail 21 and the Y-axis rail 22 protected by the upper cover 1 and the lower cover 2 are crossed by the X axis and the Y axis
- a second slide bearing 42, an X-axis rack gear 311, an X-axis motor 31, a Y-axis motor 32, a first slide bearing 41, a slider 13 And a center coil 11 are provided.
- a coil is provided on each of the charger side and the rechargeable battery side, and electric power of the charger is transmitted to the rechargeable battery by the magnetic induction action to charge the rechargeable battery.
- the present invention is applied to the case where the X-axis and the Y-axis in the lower cover 2 covered by the upper cover 1 There is a need for a center coil 11 that slides freely in the axial direction.
- the center coil 11 may be wound in a shape of a circle, an ellipse, or a rectangle.
- the second slide bearing 42, the X-axis rack gear 311, the X-axis motor 31, the Y-axis motor 32, and the Y-axis motor 32 are disposed at the center portion where the X-axis rail 21 and the Y-
- the first slide bearing 41, the slider 13 and the center coil 11 must be provided to prevent the magnetic induction action from being disturbed even when the radio terminal is placed in the entire area of the upper cover 1, Can be demonstrated.
- the coil can not move to the portion where the motor is disposed, This is because it is very difficult for the wireless charging to be perfect if it is stuck.
- induction current is not exactly generated by matching with the transmission coil, induction current is generated and a high temperature heat is generated together with a risk of fire.
- the X-axis rail 21 is fixed across the lower end of the lower cover 2 from one end to the other end.
- the Y-axis rail 22 fixed to the X-axis rail 21 can move the center coil 11 quickly to a specific position.
- the Y-axis rail 22 formed perpendicularly to the X-axis rail 21 moves the center coil fixedly coupled to the slider 13 in the X-axis and Y-axis directions to reach the optimal position for wireless charging.
- the Y-axis rail 22 includes a first through hole 310 formed to surround the X-axis motor 31 and a Y-axis motor 33 formed perpendicular to the X-axis motor 31 And a second through hole 320 is formed to surround the first through hole 320 to be seen from the outside.
- the X-axis motor 31 and the Y-axis motor 33 can be coupled to the coupling hole 35 formed in the Y-axis rail 22.
- the X-axis motor 31 and the Y- 33 are exposed from the upper portion and exposed to the lower portion of the coupling hole 35 from the side and exposed to the upper portion of the coupling hole 35 are located between the slider 13 and the Y
- the Y-axis rails 22 and the X-axis rails 22 are installed such that the slider 13 does not interfere with movement of the slider 13 in the Y-axis, Axis rail 22 is prevented from moving along the X-axis to a space between the Y-axis rail 21 and the Y-axis rail 22.
- the present invention is characterized in that the X-axis motor 31 and the Y-axis motor 31 are provided in the through holes 310 and 320 connecting between the slider 13 and the Y-axis rail 22, and between the Y-axis rail 22 and the X-
- the shaft motor 33 is sandwiched between the X-axis rails 21 and the Y-axis rails 22 so that the product can be produced as slim as possible without being disturbed.
- the X-axis rack gear 311 is a gear fixedly coupled to the X-axis rail 21, and the X-axis pinion gear 313 rotates by the driving of the X-axis motor 31, And the X-axis rail 21 is moved to a predetermined position by the reciprocating motion of the X-axis rack gear 311 which linearly moves in engagement with the X-axis pinion gear 313.
- the X-axis motor 31 is a motor that is coupled to an X-axis pinion gear 313 that rotates in engagement with the X-axis rack gear 311. Both sides of the X- The X-axis rack gear 311 is fixed to the X-axis rail 21 so that the rotational force of the fixed X-axis motor 31 is transmitted to the X-axis rail 21 as it is, (F).
- the Y-axis motor 32 is a motor that is coupled to a Y-axis pinion gear 323 that rotates in engagement with a Y-axis rack gear 321 coupled to a lower portion of the following slider 13.
- the Y-axis motor 32 is arranged to be perpendicular to the X-axis motor 31. As shown in FIG. 6, the Y-axis motor 22 is reciprocated in the X- The both ends of the X-axis rail 21 are fixedly coupled to the inner side surface of the lower cover 2. That is, while the X-axis rail 21 is fixedly supported, the Y-axis rail 22 can reciprocate in the X-axis direction by applying an electrical signal to the X-axis motor 31 to perform forward and reverse rotation.
- the second slide bearing 42 is a bearing which is " C " -shaped at both ends of the X-axis rail 21.
- the Y-axis rail 22 coupled with the upper surface of the second slide bearing 42 by the second slide bearing 42 can reciprocate in the X- do.
- the first slide bearing 41 is formed in an E-shape, and both ends of the Y-axis rail 22 are coupled to the lower end of the "E" shape.
- the slider 13 coupled to the upper end is preferably fixed.
- the slider 13 first reaches an arbitrary X-axis on the Y-axis rail 22 moving along the X-axis and reaches the "E" position of the first slide bearing 41 by driving the Y-
- the upper side central coil 11 of the slider 13 coupled to the top shape of the magnetic shape reaches any Y axis.
- the Y-axis rail 22 coupled to the second slide bearing 42 moves along the X-axis rail 21 according to the operation of the X-axis motor 31,
- the slider 13 coupled to the Y-axis rail 22 moves in the direction of the Y-axis rail 22 to move the center coil 11 coupled to the slider 13 to the optimum position for wireless charging .
- the XY guide for wireless charging using the slide bearing system according to the present invention is arranged so as to reach the optimum position of the wireless charging in the lower cover 2 covered by the upper cover 1, And an upper cover 1 and a lower cover 2 for protecting the center coil 11 that freely slides in the Y-axis direction.
- the upper cover 1 and the lower cover 2 may be made of general synthetic resin.
- a non-slip material may be coated or unevenness may be formed for smooth charging of the smartphone.
- an X-axis rack gear 311 is attached and fixed to the upper side portion of the X-axis rail 21 and is arranged to engage with the X-axis pinion gear 313 of the X-axis motor 31, On both sides of the rail 21, a second slide bearing 42 is located.
- both sides of the X-axis rail 21 are folded in a stepwise manner because an object having a certain volume such as a motor can be disposed between the rails without adding a space occupying a special volume.
- the X-axis motor 31 and the Y-axis motor 31 are connected to the through holes 310 and 320 connecting the Y-axis rail 22 and the X-axis rail 21 for positioning the X-
- the shaft motor 33 is inserted.
- the Y-axis motor 32 is inserted into the through hole 320 and fixed to the coupling hole 35 formed on the Y-axis rail 22.
- the lower end portions of the first slide bearings 41 made of E "shape are coupled to the both side ends of the Y-axis rail 22.
- both side portions of the Y-axis rail 22 are curved stepwise and bent portions are inserted into the lower end portion of the first slide bearing 41.
- the Y-axis pinion gear 323 which rotates in engagement with the Y-axis rack gear 321 of the Y-axis motor 32 is engaged.
- the slider 13 is engaged with the top shape of the " E " shape so that the slider 13 can move to an arbitrary position along the X axis.
- the seventh step is to attach the center coil 11 to the upper side of the slider 13 so that the magnetic induction material is further bonded between the center coil 11 and the slider 13, So that the phenomenon can be generated.
- the assembled X-axis rail 21 and the Y-axis rail 22 described above are inserted into the lower cover 2, and only the X-axis rail 21 is attached to the inner surface of the lower cover 2 Fixed.
- the Y-axis rail 22 at the upper side of the X-axis rail 21 can move in the X-axis direction, moves in an arbitrary X-axis direction, (13) can move in any Y-axis direction.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims (5)
- 상측 커버;상기 상측 커버에 의해 덮이는 하측 커버;상기 하측 커버의 일단에서 타단 끝까지 가로질러 고정되는 X축 레일;상기 X축 레일의 양측단부에 결합되는 한쌍의 제2 슬라이드 베어링;상기 X축 레일에 고정 결합되는 X축 랙기어;상기 X축 랙기어에 맞물려 회전하는 X축 피니언기어를 결합시킨 X축 모터;상기 X축 모터가 내부에 감싸여진 제1 관통홀과 상기 X축 모터에 수직으로 형성되는 Y축 모터가 감싸여진 제2 관통홀이 형성되는 Y축 레일;하기 슬라이더의 하측부에 결합되는 Y축 랙기어에 맞물려 회전하는 Y축 피니언기어를 결합시킨 Y축 모터;상단과 하단으로 나뉘어 슬라이더와 Y축 레일에 결합되며, 상기 하단에 Y축 레일의 양측단부가 결합되는 한쌍의 제1 슬라이드 베어링;상기 제1 슬라이드 베어링의 상단에 결합되는 슬라이더;상기 슬라이더의 상측부에 결합되는 중앙 코일;로 구성되고,상기 X축 모터의 작동에 따라 상기 제2 슬라이드 베어링에 결합된 Y축 레일은 상기 X축 레일을 따라 이동한 후, 상기 Y축 모터의 구동에 따라 Y축 레일에 결합된 슬라이더는 Y축 레일 방향으로 이동하여 상기 슬라이더 위에 결합된 중앙 코일을 무선 충전의 최적 위치에 도달하도록 하는 것을 특징으로 하는 슬라이드 베어링 방식을 이용한 무선충전용 X-Y 가이드.
- 제1항에 있어서,상기 코일은 원형, 타원형, 사각형 중 하나의 형태로 권선되는 것을 특징으로 하는 슬라이드 베어링 방식을 이용한 무선충전용 X-Y 가이드.
- 제1항에 있어서,상기 X축 모터와 Y축 모터는 상기 Y축 레일의 내부면에 형성된 결합홀에 결합되고, 상기 X축 모터와 Y축 모터의 상기 결합홀의 상측 부분으로 노출된 영역은 슬라이더와 Y축 레일 사이의 공간으로 슬라이더가 Y축으로 움직이는 데 방해가 안 되도록 설치되며, 상기 결합홀의 하측 부분으로 노출된 영역은 Y축 레일과 X축 레일 사이의 공간으로 Y축 레일이 X축을 따라 움직이는 데 방해가 안 되도록 설치되는 것을 특징으로 하는 슬라이드 베어링 방식을 이용한 무선충전용 X-Y 가이드.
- 제1항에 있어서,상기 제2 슬라이드 베어링은 X축 레일의 양측단부에 "ㄷ"자형으로 결합되는 베어링인 것을 특징으로 하는 슬라이드 베어링 방식을 이용한 무선충전용 X-Y 가이드.
- 제1항에 있어서,상기 제1 슬라이드 베어링은 E"자 형상으로 이루어져 있고, 상기 Y축 레일의 양측단부가"E"자 형상 중 하단 형상에 결합되고, 상기 "E"자 형상 중 상단에 상기 슬라이더가 결합되는 것을 특징으로 하는 슬라이드 베어링 방식을 이용한 무선충전용 X-Y 가이드.
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CN110048519A (zh) * | 2019-04-29 | 2019-07-23 | 电子科技大学成都学院 | 一种提升无线充电器可用区域的设计 |
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WO2021137311A1 (ko) * | 2019-12-30 | 2021-07-08 | 엘지전자 주식회사 | 사용자 단말을 다양한 방향 및 각도로 거치할 수 있는 무선 충전 장치 |
DE112019008015T5 (de) * | 2019-12-30 | 2022-10-13 | Lg Electronics Inc. | Drahtlose ladevorrichtung, die dazu ausgelegt ist ein benutzerendgerät in verschiedenen richtungen und verschiedenen winkeln zu halten |
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- 2017-09-13 KR KR1020170116923A patent/KR101944856B1/ko active IP Right Grant
- 2017-12-14 WO PCT/KR2017/014697 patent/WO2019054574A1/ko active Application Filing
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KR20070102309A (ko) * | 2006-04-14 | 2007-10-18 | 주식회사 캄코 | 기어박스가 구비된 차량용 시트 슬라이드 장치 |
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KR20110034773A (ko) * | 2009-09-29 | 2011-04-06 | 삼성전자주식회사 | 유도성 결합 방식을 이용한 무선 충전기 |
KR101704934B1 (ko) * | 2015-11-25 | 2017-02-23 | 성균관대학교산학협력단 | 최대수신전력 자동 위치정렬을 이용한 무선충전패드 및 이를 이용한 무선충전방법 |
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CN110048519A (zh) * | 2019-04-29 | 2019-07-23 | 电子科技大学成都学院 | 一种提升无线充电器可用区域的设计 |
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