KR101000621B1 - Motor·generator for vehicle - Google Patents

Motor·generator for vehicle Download PDF

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KR101000621B1
KR101000621B1 KR1020080118357A KR20080118357A KR101000621B1 KR 101000621 B1 KR101000621 B1 KR 101000621B1 KR 1020080118357 A KR1020080118357 A KR 1020080118357A KR 20080118357 A KR20080118357 A KR 20080118357A KR 101000621 B1 KR101000621 B1 KR 101000621B1
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South Korea
Prior art keywords
input
output terminals
tab
different
different diameters
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KR1020080118357A
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Korean (ko)
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KR20100059548A (en
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타카노리 후지이
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현대자동차일본기술연구소
기아자동차주식회사
현대자동차주식회사
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Priority to KR1020080118357A priority Critical patent/KR101000621B1/en
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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2101/00—Special adaptation of control arrangements for generators
    • H02P2101/45—Special adaptation of control arrangements for generators for motor vehicles, e.g. car alternators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

본 발명은 자동차용 모터·제너레이터에 관한 것으로서, 더욱 상세하게는 각기 지름이 다른 동심원 상으로 버스바를 배치하고, U, V, W 상의 입축력단자 및 탭이 각기 다른 상의 입출력단자 및 탭과 접촉되지 않도록 각기 상이 다른 지름의 버스바에서 외경 및 내경방향으로 각각 돌출되도록 함으로써, 축방향의 두께를 줄여 모터의 박형화에 기여할 수 있도록 한 자동차용 모터·제너레이터에 관한 것이다.The present invention relates to a motor generator for automobiles, and more particularly, bus bars are arranged on concentric circles of different diameters, and the input and output terminals and taps of the U, V, and W phases do not come into contact with the input and output terminals and the taps of the different phases. The present invention relates to a motor generator for automobiles in which phases are projected in outer and inner diameter directions from busbars having different diameters, respectively, thereby reducing the thickness in the axial direction and contributing to thinner motors.

이를 위해, 본 발명은 지름이 각기 다른 전도성 판이 동심원 상으로 배치되고, 입출력단자 및 탭이 상이 다른 버스바와 접촉하지 않으면서 동일면 상에 반경방향으로 교차되도록 단자수용부가 형성된 버스바; 및 중심축에 대해 수직면에 상이 다른 버스바가 삽입되도록 복수의 버스바수용홈이 형성된 보빈을 포함하고, 상기 입출력단자는 각기 다른 지름의 버스바에서 외경방향으로 돌출되고, 상기 탭은 코일의 단부와 접속되도록 각기 다른 지름의 버스바에서 내경방향으로 돌출되는 것을 특징으로 하는 자동차용 모터·제너레이터를 제공한다.To this end, the present invention is a bus bar formed with a terminal accommodating portion so that the conductive plates having different diameters are arranged in concentric circles, and the input / output terminals and tabs cross radially on the same surface without contacting the bus bars having different phases; And a bobbin in which a plurality of busbar accommodation grooves are formed so that different busbars are inserted in a vertical plane with respect to the central axis, wherein the input / output terminals protrude in an outer diameter direction from busbars having different diameters, and the tab is connected to an end of the coil. An automobile motor generator is provided which protrudes in an inner diameter direction from bus bars having different diameters so as to be connected.

버스바, 모터, 제너레이터, 보빈, 코일, 단자수용부 Bus bar, motor, generator, bobbin, coil, terminal accommodating part

Description

자동차용 모터·제너레이터{Motor·generator for vehicle}Motor generator for vehicle {Motor / generator for vehicle}

본 발명은 자동차용 모터·제너레이터에 관한 것으로서, 더욱 상세하게는 하이브리드 차량에 사용되는 모터·제너레이터의 버스바에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to motor generators for automobiles and, more particularly, to bus bars of motor generators used in hybrid vehicles.

하이브리드 차량에 이용되는 3상(U, V, W) DC브러시리스 모터·제네레이터는, U, V, W상의 입출력 단자가 고정자의 코어에 휘감겨지는 코일의 단부에 링 모양의 버스바(busbar)를 통해 접속된다.A three-phase (U, V, W) DC brushless motor generator used in a hybrid vehicle has a ring busbar at the end of a coil in which the input and output terminals of the U, V, and W phases are wound around the core of the stator. Connected via

모터·제네레이터에서는 복수의 코일이 코일 저항값을 억제하므로 손실을 저감 하기 위해 병렬 접속된다.In the motor generator, a plurality of coils are connected in parallel in order to reduce the loss because the coil resistance is suppressed.

통상, 병렬 접속시에는 각 코일의 코일을 입출력 단자까지 연장하고, 단자부를 한 뭉치로 묶어 접속하지만, 병렬수가 많은 경우는 각 코일로부터 입출력 단자까지의 선의 갯수가 증가해 접속선이 차지하는 공간이 커지게 된다.Normally, in parallel connection, the coils of each coil are extended to the input / output terminals and the terminal parts are bundled and connected.In the case of a large number of parallel connections, the number of wires from each coil to the input / output terminals increases, so that the space occupied by the connection line is large. You lose.

이와 같은 문제점을 해결하기 위해, 일본특개2003-134724에는 버스바를 사용하는 것이 개시되어 있다.In order to solve such a problem, Japanese Patent Laid-Open No. 2003-134724 discloses the use of a bus bar.

그러나 종래의 버스바는 동일지름의 U, V, W의 부재를 축방향으로 쌓아 올리는 구조로 이루어지므로, 모터·제네레이터가 축방향의 공간을 많이 필요로 한다는 문제가 있었다. 예를 들어, 한 개의 버스바의 판두께를 t로 하면, 3 t＋α의 두께가 필요하게 되므로, 박형화에 불리한 단점이 있다.However, the conventional bus bar has a structure in which members of the same diameter U, V, and W are stacked in the axial direction, so that the motor generator needs a large amount of space in the axial direction. For example, when the thickness of one busbar is t, a thickness of 3t + α is required, which is disadvantageous in thinning.

본 발명은 상기와 같은 점을 감안하여 안출한 것으로서, 각기 지름이 다른 동심원 상으로 버스바를 배치하고, U, V, W 상의 입축력단자 및 탭이 각기 다른 상의 입출력단자 및 탭과 접촉되지 않도록 각기 상이 다른 지름의 버스바에서 외경 및 내경방향으로 각각 돌출되도록 함으로써, 축방향의 두께를 줄여 모터의 박형화에 기여할 수 있도록 한 자동차용 모터·제너레이터를 제공하는데 그 목적이 있다.The present invention has been made in view of the above, and the busbars are arranged on concentric circles of different diameters, and the input and output terminals and tabs of the U, V, and W phases do not come into contact with the input and output terminals and the taps of the different phases, respectively. It is an object of the present invention to provide an automobile motor generator in which an image is protruded in an outer diameter and an inner diameter direction from a busbar having a different diameter, thereby reducing the thickness in the axial direction and contributing to thinning of the motor.

상기한 목적은 자동차용 모터·제너레이터에 있어서,The above purpose is to provide a motor generator for automobiles,

지름이 각기 다른 전도성 판이 동심원 상으로 배치되고, 입출력단자 및 탭이 상이 다른 버스바와 접촉하지 않으면서 동일면 상에 반경방향으로 교차되도록 단자수용부가 형성된 버스바; 및 중심축에 대해 수직면에 상이 다른 버스바가 삽입되도록 복수의 버스바수용홈이 형성된 보빈을 포함하고, 상기 입출력단자는 각기 다른 지름의 버스바에서 외경방향으로 돌출되고, 상기 탭은 코일의 단부와 접속되도록 각기 다른 지름의 버스바에서 내경방향으로 돌출되는 것을 특징으로 하는 자동차용 모터·제너레이터에 의해 달성된다.Bus bars each having a conductive plate having a different diameter in a concentric circle, and having a terminal accommodating part such that the input / output terminals and the tabs cross each other in the radial direction on the same surface without contacting the bus bars having different phases; And a bobbin in which a plurality of busbar accommodation grooves are formed so that different busbars are inserted in a vertical plane with respect to the central axis, wherein the input / output terminals protrude in an outer diameter direction from busbars having different diameters, and the tab is connected to an end of the coil. It is achieved by an automobile motor generator characterized in that it projects in the inner diameter direction from busbars of different diameters so as to be connected.

바람직하게는, 상기 탭은 코일의 단부를 가운데 두고 양측에서 접속하는 코킹부를 갖는 것을 특징으로 한다.Preferably, the tab has a caulking portion connected at both sides with the end of the coil in the center.

상기 보빈은 버스바의 단자수용부와 대응되는 위치에 단자홈부가 반경방향으 로 형성되고, 상기 단자홈부는 버스바수용홈을 가로지르는 방향으로 형성되며, 상기 입출력단자와 탭은 단자홈부에 삽입되어 상이 다른 버스바와 접촉하지 않는 것을 특징으로 한다.The bobbin has a terminal groove portion formed in a radial direction at a position corresponding to the terminal accommodating portion of the bus bar, the terminal groove portion is formed in a direction crossing the bus bar receiving groove, and the input / output terminal and the tab are inserted into the terminal groove portion. And the phase does not contact other busbars.

이에 따라 본 발명에 따른 자동차용 모터·제너레이터에 의하면, 지름이 각기 다른 버스바를 반경방향으로 동일면 상에 배치함으로써, 종래의 축방향으로 적층했던 버스바의 두께 3t+α에서 2t+α로 얇게 할 수 있고, 입출력단자를 각기 다른 지름에서 외주측으로 돌출시킴으로써, 입출력단자를 직각으로 구부릴 필요가 없다. 즉, 버스바를 보빈의 버스바수용홈에 삽입함으로 조립이 용이하다.Accordingly, according to the motor generator for automobiles according to the present invention, by placing busbars having different diameters on the same surface in the radial direction, the thickness of the busbars stacked in the conventional axial direction can be reduced from 3t + α to 2t + α. It is possible to protrude the input / output terminals to the outer circumferential side at different diameters, thereby eliminating the need to bend the input / output terminals at right angles. That is, it is easy to assemble by inserting the bus bar into the bus bar receiving groove of the bobbin.

또한, 상기 탭은 코일의 단부를 가운데 두고 양측에서 접속하는 코킹부를 가짐으로써, 코일의 단부를 코킹부에 직접 삽입하고 코킹 작업 후에 용접하므로 조립 및 용접이 용이해진다.In addition, the tab has a caulking portion connected at both sides with the end portion of the coil in the center, so that the end portion of the coil is directly inserted into the caulking portion and welded after the caulking operation, thereby facilitating assembly and welding.

마지막으로 입출력단자 및 탭이 다른 버스바와 접촉하지 않기 때문에, 버스바에 절연도료를 도포할 필요가 없다.Finally, since the input and output terminals and tabs do not contact other busbars, there is no need to apply insulating paint to the busbars.

이하, 본 발명의 바람직한 실시예를 첨부도면을 참조로 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

첨부한 도 1은 본 발명의 일실시예에 따른 버스바(11)의 사시도이고, 도 2는 본 발명의 일실시예에 따른 버스바(11)의 구조 및 배치방법을 설명하기 위한 구성 도이다.1 is a perspective view of a bus bar 11 according to an exemplary embodiment of the present invention, and FIG. 2 is a diagram illustrating a structure and a method of arranging the bus bar 11 according to an exemplary embodiment of the present invention. .

도시한 바와 같이, 본 발명에 따른 버스바(11)는 지름이 각각 다른 링 형상의 동판이 축방향의 수직방향으로 복수로 적층된다. U, V, W 상의 입출력단자(10)와 탭(13)은 각각 다른 지름의 동판에 형성되고, 상기 입출력단자(10)는 외주측에 반경방향으로 돌출 형성되고, 상기 탭(13)은 중심축측에 반경방향으로 돌출형성되어 있다.As shown in the drawing, a bus bar 11 according to the present invention has a plurality of ring-shaped copper plates having different diameters stacked in a plurality in the axial direction. Input and output terminals 10 and tabs 13 on U, V, and W are formed on copper plates of different diameters, respectively, and the input and output terminals 10 protrude radially on the outer circumferential side, and the tab 13 is centered. It protrudes in the radial direction on the axial side.

상기 입출력단자(10) 및 탭(13)은 동일한 면(面)에 배치되지만 서로 다른 입출력단자(10)와 탭(13)에 접촉하지 않도록 교차된다. 이때, 지름이 다른 버스바(11)는 11a, 11b, 11c, 11d 순서대로 환상(環象)으로 배치되고, 상기 링 형상의 버스바(11)에는 입출력단자(10)가 다른 상의 입출력단자(10)와 접촉하지 않도록 교차되게 하기 위해 단자수용부(11')가 오목하게 형성되어 있다. 또한 상기 단자수용부(11')는 반경방향으로 겹쳐지게 배치되어 입출력단자(10)가 단자수용부(11')에 삽입되며 다른 상의 입출력단자(10)는 물론 다른 상의 버스바(11)와도 접촉하지 않게 된다.The input / output terminal 10 and the tab 13 are disposed on the same surface but intersect so as not to contact the different input / output terminal 10 and the tab 13. At this time, the busbars 11 having different diameters are arranged in an annular order in the order of 11a, 11b, 11c, and 11d, and the ring-shaped busbars 11 have different input / output terminals 10 having different input / output terminals 10. The terminal accommodating part 11 'is formed in concave shape so that it may cross | intersect so that it may not contact 10. In addition, the terminal accommodating part 11 ′ is disposed to overlap in the radial direction, so that the input / output terminal 10 is inserted into the terminal accommodating part 11 ′ and the bus bar 11 of the other phase as well as the other input / output terminal 10. No contact.

도 3은 본 발명의 일실시예에 따른 탭(13)을 나타내는 사시도이다.3 is a perspective view showing the tab 13 according to an embodiment of the present invention.

도 3에 도시한 바와 같이, 탭(13)은 코일 접속부이며, 동판 펀칭시 탭(13)에 슬릿을 형성한 다음 "ハ"자 모양의 코킹부를 성형하는 것으로 코일(12) 단부와의 맞댐 및 용접을 용이하게 실시할 수 있다.As shown in FIG. 3, the tab 13 is a coil connection portion, and when the copper sheet is punched, a slit is formed in the tab 13, and then a “ha” shaped caulking portion is formed so that the tab 13 is aligned with the end of the coil 12. Welding can be performed easily.

종래에는 탭과 코일의 단부를 접속하는 연결부품이 필요하였다. 또 용접개소가 2개소 필요했다. 그러나 본 발명에 의하면 코일(12)의 단부를 코킹부에 직접 삽 입하고 코킹 작업 후에 용접하므로 조립 및 용접이 용이하게 된다.Conventionally, a connecting part for connecting the tab and the end of the coil was required. In addition, two welding locations were required. However, according to the present invention, the end of the coil 12 is directly inserted into the caulking portion and welded after the caulking operation, thereby facilitating assembly and welding.

도 4는 본 발명의 일실시예에 따른 보빈(14)을 나타내는 사시도이다.4 is a perspective view of the bobbin 14 according to an embodiment of the present invention.

상기 보빈(14)은 원형의 통형으로 이루어지며, 보빈(14)의 외주측에는 버스바수용홈(14a)이 원주방향으로 형성되어 있고, 보빈(14)의 내주측에는 코일(12)을 권선할 수 있는 코일권선코어가 형성되어 있다.The bobbin 14 is formed in a circular cylindrical shape, the bus bar receiving groove 14a is formed in the circumferential direction on the outer circumferential side of the bobbin 14, and the coil 12 may be wound on the inner circumferential side of the bobbin 14. The coil winding core is formed.

상기 버스바수용홈(14a)에는 단자홈부(14b)가 버스바수용홈(14a)을 가로지르도록 반경방향으로 버스바(11)의 단자수용부(11')와 대응되게 형성되어 있으며, 상기 버스바(11)가 각각의 버스바수용홈(14a)에 삽입됨으로써, 각각의 버스바(11)가 다른 버스바(11)와 접촉하지 않으며, 각각의 입출력단자(10) 및 탭(13)도 다른 상의 입출력단자(10) 및 탭(13)과 접촉하지 않게 된다.The bus bar accommodating groove 14a is formed to correspond to the terminal accommodating portion 11 'of the bus bar 11 in a radial direction such that the terminal groove 14b crosses the bus bar accommodating groove 14a. By inserting the bus bars 11 into the respective bus bar receiving grooves 14a, the respective bus bars 11 do not come into contact with the other bus bars 11, and the respective input / output terminals 10 and tabs 13 do not contact each other. It is not in contact with the input / output terminal 10 and the tab 13 of another phase.

따라서, 본 발명은 지름이 각기 다른 버스바(11)를 반경방향으로 동일면 상에 배치함으로써, 종래의 축방향으로 적층했던 버스바의 두께 3t+α에서 2t+α로 얇게 할 수 있고, 입출력단자(10)를 각기 다른 지름에서 외주측으로 돌출시킴으로써, 입출력단자(10)를 직각으로 구부릴 필요가 없다. 또한, 버스바(11)를 보빈(14)의 버스바수용홈(14a)에 삽입하기만 하면 되므로 조립이 용이하다.Therefore, according to the present invention, by placing busbars 11 having different diameters on the same surface in the radial direction, the thickness of the busbars stacked in the conventional axial direction can be reduced from 3t + α to 2t + α, and the input / output terminals By protruding 10 to the outer circumferential side at different diameters, it is not necessary to bend the input / output terminal 10 at a right angle. In addition, since the bus bar 11 only needs to be inserted into the bus bar accommodation groove 14a of the bobbin 14, assembly is easy.

또한, 상기 탭(13)은 코일(12)의 단부를 가운데 두고 양측에서 접속하는 코킹부를 가짐으로써, 코일(12)의 단부를 코킹부에 직접 삽입하고 코킹 작업 후에 용접하므로 조립 및 용접이 용이해진다.In addition, the tab 13 has a caulking portion connected at both sides with the end portion of the coil 12 in the center, so that the end portion of the coil 12 is directly inserted into the caulking portion and welded after the caulking operation, thereby facilitating assembly and welding. .

마지막으로 입출력단자(10) 및 탭(13)이 다른 버스바(11)와 접촉하지 않기 때문에, 버스바(11)에 절연도료를 도포할 필요가 없다.Finally, since the input / output terminal 10 and the tab 13 do not come into contact with other bus bars 11, it is not necessary to apply insulating paint to the bus bars 11.

도 1은 본 발명의 일실시예에 따른 버스바의 사시도,1 is a perspective view of a bus bar according to an embodiment of the present invention;

도 2는 도 1에서 버스바의 일부발췌도,2 is a partial excerpt of the bus bar in FIG.

도 3은 도 1에서 코일과 탭의 접속을 나타내는 사시도,3 is a perspective view illustrating a connection between a coil and a tab in FIG. 1;

도 4는 도 1에서 보빈의 구조를 나타내는 설명도이다.4 is an explanatory view showing the structure of the bobbin in FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 입출력단자 11 : 버스바10: input / output terminal 11: bus bar

11' : 단자수용부 12 : 코일11 ': terminal housing 12: coil

13 : 탭 14 : 보빈13: Tab 14: Bobbin

14a : 버스바수용홈 14b : 단자홈부14a: Bus bar receiving groove 14b: Terminal groove

Claims (3)

자동차용 모터·제너레이터에 있어서,In motor generators for automobiles, 지름이 각기 다른 전도성 판이 동심원 상으로 배치되고, 입출력단자 및 탭이 상이 다른 버스바와 접촉하지 않으면서 동일면 상에 반경방향으로 교차되도록 단자수용부가 형성된 버스바; 및 Bus bars each having a conductive plate having a different diameter in a concentric circle, and having a terminal accommodating part such that the input / output terminals and the tabs cross each other in the radial direction on the same surface without contacting the bus bars having different phases; And 중심축에 대해 수직면에 상이 다른 버스바가 삽입되도록 복수의 버스바수용홈이 형성된 보빈을 포함하고, 상기 입출력단자는 각기 다른 지름의 버스바에서 외경방향으로 돌출되고, 상기 탭은 코일의 단부와 접속되도록 각기 다른 지름의 버스바에서 내경방향으로 돌출되며, And a bobbin in which a plurality of bus bar receiving grooves are formed so that different bus bars are inserted in a vertical plane with respect to the central axis, and the input / output terminals protrude in an outer diameter direction from bus bars having different diameters, and the tab is connected to an end of the coil. Protrude inwardly from busbars of different diameters, 상기 보빈은 버스바의 단자수용부와 대응되는 위치에 단자홈부가 반경방향으로 형성되고, 상기 단자홈부는 버스바수용홈을 가로지르는 방향으로 형성되며, 상기 입출력단자와 탭은 단자홈부에 삽입되어 상이 다른 버스바와 접촉하지 않는 것을 특징으로 하는 자동차용 모터·제너레이터.The bobbin has a terminal groove portion formed in a radial direction at a position corresponding to the terminal accommodating portion of the bus bar, the terminal groove portion is formed in a direction crossing the bus bar receiving groove, and the input / output terminal and the tab are inserted into the terminal groove portion. A motor generator for automobiles, characterized in that the phase does not come into contact with other busbars. 청구항 1에 있어서,The method according to claim 1, 상기 탭은 코일의 단부를 가운데 두고 양측에서 접속하는 코킹부를 갖는 것을 특징으로 하는 자동차용 모터·제너레이터.The tab is an automobile motor generator, characterized in that the tab has a caulking portion connected from both sides with the end of the coil in the center. 삭제delete
KR1020080118357A 2008-11-26 2008-11-26 Motor·generator for vehicle KR101000621B1 (en)

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KR101560057B1 (en) 2013-11-20 2015-10-15 뉴모텍(주) Stator of Motor with Bus-bars for Electric Connection and Method for Parallel Coil Winding Using the Bus-bars
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