KR200182446Y1 - Structure of transmitting power of a generator for car - Google Patents

Structure of transmitting power of a generator for car Download PDF

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Publication number
KR200182446Y1
KR200182446Y1 KR2019990024560U KR19990024560U KR200182446Y1 KR 200182446 Y1 KR200182446 Y1 KR 200182446Y1 KR 2019990024560 U KR2019990024560 U KR 2019990024560U KR 19990024560 U KR19990024560 U KR 19990024560U KR 200182446 Y1 KR200182446 Y1 KR 200182446Y1
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South Korea
Prior art keywords
generator
engine
power transmission
end shield
rotor shaft
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KR2019990024560U
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Korean (ko)
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장진기
김용석
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삼성항공산업주식회사
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Priority to KR2019990024560U priority Critical patent/KR200182446Y1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/042—Rotating electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

본 고안은 차량용 발전기의 동력전달구조에 관한 것으로서, 종래에는 엔진의 회전동력을 풀리(P1)(P2) 및 고무벨트와 같은 동력전달수단(K)으로 발전기에 전달하는 구조로 되어 있어서 엔진(E)의 진동이 발전기로 유입되는 문제점이 있었다. 이에 따라 본 고안은 외부 커버인 전방엔드실드(11)와 후방엔드실드(12)가 구비되고, 상기 전방엔드실드(11) 및 후방엔드실드(12) 내측면에 고정자(13)가 지지설치되며, 상기 고정자(13)의 내측으로 회전자축(S)에 축설된 회전자(14)가 구비되어 상기 회전자축(S)을 회전시키는 엔진(E)의 회전동력을 받아 전력을 생산하도록 하는 차량용 발전기에 있어서, 상기 엔진(E)의 크랭크축에 연동하도록 동축선상의 엔진 외부측에 연결·설치되는 회전휠(W), 상기 회전휠(W)에 일체로 밀착·결합되고 발전기의 회전자축(S)의 일단에 설치된 진동흡수부재(P)를 포함하는 것을 특징으로 하는 구조를 갖는다. 이러한 본 고안은 여타의 동력전달수단을 경유하지 않는 직접적인 동력전달과 진동흡수부재(P)로 인하여 발전기(G1)로 전달되는 엔진(E)의 진동량을 최소화하게 되며, 발전기의 회전자축(S) 일측에 별도의 지지수단을 필요로 하지 않게 되므로 지지 베어링 등 부품감소의 효과가 있게 된다.The present invention relates to a power transmission structure of a generator for a vehicle, and in the related art, the engine (E) is configured to transmit the rotational power of the engine to the generator by a power transmission means (K) such as a pulley (P1) and a rubber belt. There was a problem that the vibration of) into the generator. Accordingly, the present invention is provided with a front end shield 11 and a rear end shield 12 which are outer covers, and the stator 13 is supported on the inner surfaces of the front end shield 11 and the rear end shield 12. The generator 14 is provided inside the stator 13, the rotor 14 arranged on the rotor shaft (S) to generate electric power by receiving the rotational power of the engine (E) for rotating the rotor shaft (S) The rotation wheel W, which is connected to and installed on the outer side of the coaxial engine so as to be interlocked with the crank shaft of the engine E, is integrally tightly coupled to the rotation wheel W, and the rotor shaft S of the generator. It has a structure characterized in that it comprises a vibration absorbing member (P) installed at one end. The present invention is to minimize the amount of vibration of the engine (E) transmitted to the generator (G1) due to the direct power transmission and vibration absorbing member (P) does not pass through other power transmission means, the rotor shaft (S) of the generator ) Since there is no need for a separate support means on one side, there is an effect of reducing parts such as support bearings.

Description

차량용 발전기의 동력전달구조{STRUCTURE OF TRANSMITTING POWER OF A GENERATOR FOR CAR}Power transmission structure of a generator for a vehicle {STRUCTURE OF TRANSMITTING POWER OF A GENERATOR FOR CAR}

본 고안은 차량용 발전기의 동력전달구조에 관한 것으로서, 상세하게는 엔진의 크랭크축과 동축선상에 발전기의 회전자축을 연결한 차량용 발전기의 동력전달구조에 관한 것이다.The present invention relates to a power transmission structure of a vehicle generator, and more particularly, to a power transmission structure of a vehicle generator in which a rotor shaft of the generator is connected on a coaxial line with an engine crankshaft.

일반적으로 발전기(發電機)는 전력을 발생시키는 회전기(回轉機)로서 다양한 종류가 있다. 통상 차량에 전기에너지를 공급하는 차량용 발전기는 차량의 주행중 엔진의 동력에 의해 발전이 수행된다. 예전에는 차량의 전원으로 직류발전기가 사용되었으나 이는 회전속도범위의 제한, 엔진 공전시 발전의 어려움, 크기 및 중량의 증가, 빈번한 수리 요구 등의 이유로 최근에는 대부분 교류발전기가 사용된다.In general, generators are various types of rotors that generate electric power. In general, a vehicle generator for supplying electrical energy to a vehicle is generated by power of an engine while the vehicle is running. In the past, a DC generator was used as a power source for a vehicle. However, the alternator is mostly used in recent years due to the limitation of the rotation speed range, difficulty in generating power during engine idle, increase in size and weight, and frequent repairs.

도 3은 종래 차량용 발전기(G2)의 구성을 개략적으로 나타낸 단면구조도로서, 그 주요구성을 살펴보면, 외부 커버로써 전방측에 있는 엔드실드(11 ; End Shield, 이하 전방엔드실드라 함)와 후방측에 있는 엔드실드(12 ; 이하 후방엔드실드라 함)가 구비되고, 이러한 전방엔드실드(11) 및 후방엔드실드(12) 내측면에는 여러장의 얇은 철판을 성층한 철심으로 스테이터코일(Stator Coil)이 감겨져 있는 구조로 된 고정자(13 ; 固定子, Stator)가 지지설치되며, 상기 고정자(13)의 내측으로 회전자축(S ; Rotor Shaft)에 축설된 회전자(14 ; 回轉子, Rotor)로써 주회전자(14A) 및 여자회전자(14B)가 구비된다.3 is a cross-sectional view schematically showing the configuration of a conventional vehicle generator G2. Looking at the main configuration thereof, an end shield 11 (end shield, hereinafter referred to as front end shield) and a rear side of the front side as an outer cover is shown. An end shield 12 (hereinafter referred to as a rear end shield) is provided on the inner side of the front end shield 11 and the rear end shield 12, and stator coils are formed by stacking a plurality of thin steel plates. A stator 13 (Stator) having a wound structure is supported and installed as a rotor (14; Rotor) built in the rotor shaft (S; Rotor Shaft) inside the stator (13). The main rotor 14A and the excitation rotor 14B are provided.

상기 회전자(14)의 회전자축(S)은 전·후방엔드실드(11)(12)에 각각의 전방베어링(B1) 및 후방베어링(B2)에 지지·설치되고, 일단은 외부로 돌출되어 풀리(P1)에 연결되며, 상기 풀리(P1)는 도 4에 종래 발전기(G2)의 설치상태를 예시한 바와 같이 고무벨트와 같은 동력전달수단(K)을 매개로 하여 엔진(E)의 동력을 다른 풀리(P2)를 통하여 전달받도록 되어 있다. 도면에서 미설명부호 'FW'는 엔진의 플라이휠, 'F'는 발전기에서 발생되는 열을 냉각시켜 주도록 설치된 냉각팬이다.The rotor shaft S of the rotor 14 is supported and installed on the front bearing B1 and the rear bearing B2 on the front and rear end shields 11 and 12, and one end thereof protrudes outward. It is connected to the pulley (P1), the pulley (P1) is the power of the engine (E) via a power transmission means (K), such as a rubber belt, as shown in Figure 4 installation state of the conventional generator (G2) Is to be delivered through another pulley (P2). In the drawings, reference numeral 'FW' is a flywheel of the engine, and 'F' is a cooling fan installed to cool the heat generated by the generator.

이와 같이 구성된 종래의 차량용 발전기는 엔진의 크랭크축으로부터 회전력을 풀리(P2)를 통해 발전기의 풀리(P1)으로 전달받아 회전자(14)를 회전시키게 되며, 이러한 회전자(14)에서 회전자속을 발생시키게 된다.The conventional vehicle generator configured as described above receives the rotational force from the crankshaft of the engine to the pulley (P1) of the generator through the pulley (P2) to rotate the rotor 14, the rotor flux in the rotor (14) Will be generated.

따라서 엔진 정지시에는 축전지가 차량의 전기장치 및 전기부하에 전기에너지를 공급하게 되고 엔진의 작동중에는 상기 발전기가 이를 수행하게 된다.Therefore, when the engine is stopped, the storage battery supplies electric energy to the electric device and the electric load of the vehicle, and the generator performs this during the operation of the engine.

그러나 상기한 종래의 발전기는 엔진의 동력을 전달받는데 있어서 엔진의 진동을 최소화시키기 위해 플렉시블 조인트(Flexible Joint)나 동력전달수단(K)으로써 고무벨트 등을 이용하게 되는 바, 이로 인하여 풀리(P1)(P2)를 사용하게 되어 동력전달구조가 복잡하게 된다. 또한 발전기의 회전자(14)를 지지하기 위하여 양측에 각각의 베어링(B1)(B2)을 구비하게 되므로 이러한 베어링의 수명에 따라 발전기의 신뢰성이 저하되는 등의 문제점이 있었다.However, the conventional generator uses a rubber belt or the like as the flexible joint or the power transmission means K in order to minimize the vibration of the engine in receiving the power of the engine. The use of P2 complicates the power transmission structure. In addition, since each bearing (B1) (B2) is provided on both sides to support the rotor 14 of the generator, there is a problem that the reliability of the generator is lowered according to the life of such a bearing.

따라서 본 고안은 상기한 종래의 문제점을 감안하여 안출한 것으로서, 본 고안의 목적은 엔진의 회전력을 발전기에 전달함에 있어 동력전달구조가 간단하여 부품사용을 최소화시키도록 하며, 동력전달에 따른 진동을 감소시키도록 하여 이에 따른 발전기의 신뢰성을 향상시키도록 한 차량용 발전기의 동력전달구조를 제공하는 데 있다.Therefore, the present invention has been devised in view of the above-described conventional problems, and an object of the present invention is to simplify the power transmission structure in transmitting the rotational force of the engine to the generator, to minimize the use of parts, and to reduce vibrations due to power transmission. It is to provide a power transmission structure of a vehicle generator to reduce it and thereby improve the reliability of the generator.

도 1은 본 고안의 구성을 개략적으로 나타낸 차량용 발전기의 단면구조도,1 is a cross-sectional structure diagram of a vehicle generator schematically showing the configuration of the present invention,

도 2는 본 고안의 설치상태를 나타낸 예시도,2 is an exemplary view showing an installation state of the present invention,

도 3은 종래 차량용 발전기의 구성을 개략적으로 나타낸 단면구조도,Figure 3 is a schematic cross-sectional view showing the configuration of a conventional vehicle generator,

도 4는 종래 차량용 발전기의 설치상태를 나타낸 예시도.Figure 4 is an exemplary view showing an installation state of a conventional vehicle generator.

(도면의 주요부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

G1 ; 차량용 발전기 11 ; 전방엔드실드G1; Car generator 11; Front end shield

12 ; 후방엔드실드 13 ; 고정자12; Rear end shield 13; Stator

14 ; 회전자 14A ; 주회전자14; Rotor 14A; Main rotor

14B ; 여자회전자 S ; 회전자축14B; Excitation rotor S; Rotor shaft

P1, P2 ; 풀리 F ; 냉각팬P1, P2; Pulley F; Cooling fan

B1, B2 ; 베어링B1, B2; bearing

상기한 목적을 이루기 위하여 본 고안은 외부 커버로써 전방엔드실드(11)와 후방엔드실드(12)가 구비되고, 이러한 전방엔드실드(11) 및 후방엔드실드(12) 내측면에 고정자(13)가 지지설치되며, 상기 고정자(13)의 내측으로 회전자축(S)에 축설된 회전자(14)가 구비되어 상기 회전자축(S)을 회전시키는 엔진(E)의 회전동력을 받아 전력을 생산하도록 하는 차량용 발전기에 있어서,In order to achieve the above object, the present invention is provided with a front end shield 11 and a rear end shield 12 as an outer cover, and the stator 13 on the inner side of the front end shield 11 and the rear end shield 12. Is installed and supported, the rotor 14 is installed on the rotor shaft (S) inward of the stator 13 is produced by receiving the rotational power of the engine (E) for rotating the rotor shaft (S) to produce electric power In the vehicle generator to

상기 엔진(E)의 크랭크축에 연동하도록 동축선상의 엔진 외부측에 연결·설치되는 회전휠(W);A rotary wheel (W) connected to and installed on an outer side of the engine on a coaxial line so as to interlock with a crank shaft of the engine (E);

상기 회전휠(W)에 일체로 밀착·결합되고 발전기의 회전자축(S)의 일단에 설치된 진동흡수부재(P);A vibration absorbing member (P) integrally in close contact with the rotary wheel (W) and installed at one end of the rotor shaft (S) of the generator;

를 포함하는 것을 특징으로 하는 차량용 발전기의 동력전달구조를 제공한다.It provides a power transmission structure of a vehicle generator comprising a.

이하 첨부된 예시도면을 참조하여 본 고안의 바람직한 실시예를 보다 상세히 설명하면 다음과 같으며 동일부는 동일부호로 표기한다.Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention in more detail as follows, the same parts are denoted by the same reference numerals.

도 1은 본 고안의 구성을 개략적으로 나타낸 차량용 발전기의 단면구조도로서, 본 고안은 먼저 엔진(E)의 외부로 인출되어 풀리(P2)가 연결된 크랭크축의 단부에 회전휠(W)을 동축 연결하여 설치한다. 이러한 회전휠(W)은 소정두께를 갖는 원판형이 바람직하며, 도 2에 나타낸 바와 같이 엔진(E)의 플라이휠(FW) 반대편에 위치하게된다.1 is a cross-sectional structure diagram of a vehicle generator schematically showing the configuration of the present invention, the present invention is first drawn out to the outside of the engine (E) by coaxially connecting the rotary wheel (W) to the end of the crank shaft to which the pulley (P2) is connected Install. Such a rotating wheel (W) is preferably a disk having a predetermined thickness, as shown in Figure 2 is located opposite the flywheel (FW) of the engine (E).

한편 본 고안에 따른 발전기(G1)는 회전자축(S)의 일단부에 진동흡수부재(P)를 설치하는 바, 이는 상기 상기 회전휠(W)에 일체로 밀착·결합되어 연결된다.On the other hand, the generator (G1) according to the present invention is provided with a vibration absorbing member (P) at one end of the rotor shaft (S), which is integrally in close contact and coupled to the rotary wheel (W).

상기 진동흡수부재(P)는 유연성을 갖는 플렉시블(Flexible)한 얇은 판을 여러장 겹쳐 형성하는 것을 예시할 수 있으며, 또한 도시한 바와 같이 냉각팬(F)을 일체로 구비하는 것이 바람직하다.The vibration absorbing member P may be exemplified by forming a plurality of flexible thin plates having flexibility, and as shown in the drawing, the cooling fan F may be integrally formed.

따라서 회전자축(S)의 후방부는 도 1에 도시된 바와 같이 종래와 마찬가지로 후방엔드실드(12)의 베어링(B2)에 의해 지지된 상태가 되지만, 상기 구성에 따라 회전자축(S)의 전방부는 엔진(E)과 연결된 회전휠(W)에 일체로 연결되므로 자연스럽게 엔진의 크랭크축에 지지되는 상태가 된다.Therefore, as shown in FIG. 1, the rear portion of the rotor shaft S is supported by the bearing B2 of the rear end shield 12 as in the prior art, but according to the above configuration, the front portion of the rotor shaft S is Since it is integrally connected to the rotary wheel (W) connected to the engine (E) is naturally supported by the crankshaft of the engine.

이러한 본 고안의 구조는 엔진(E)의 회전력이 회전휠(W)을 통해 직접적으로 발전기(G1)의 회전자축(S)에 전달되게 되는 것이며, 상기 회전휠(W)에 일체로 된 진동흡수부재(P)에서 진동이 흡수되어 회전자(14)로 전달되는 진동량을 최소화하게 된다.The structure of the present invention is that the rotational force of the engine (E) is to be directly transmitted to the rotor shaft (S) of the generator (G1) through the rotary wheel (W), the absorption of vibration integrated in the rotary wheel (W) Vibration is absorbed from the member P to minimize the amount of vibration transmitted to the rotor 14.

이상과 같은 본 고안은 엔진의 회전 동력을 발전기로 전달함에 있어서 풀리 및 벨트 등 여타의 동력전달수단을 이용하지 않고 직접 연결된 동축상에서 동력전달을 수행하게 되므로 확실한 동력전달을 수행하게 되며, 이러한 구조에 따라 발전기로 전달되는 엔진의 진동량 감소의 효과가 있게 된다. 또한 본 고안에서는 진동흡수부재에서 발전기로 전달되는 엔진의 진동을 가일층 흡수하게 되어 발전기의 회전자로 전달되는 진동량을 더욱 최소화시키게 된다. 즉 본 고안은 진동이 최소화된 엔진의 동력이 발전기로 전달되어 발전기의 작동성 향상 및 이에 따른 발전기의 신뢰성을 향상시키는 효과가 있다.The present invention, as described above, in the transmission of the rotational power of the engine to the generator is performed without the use of other power transmission means such as pulleys and belts to perform the power transmission on the coaxial directly connected to perform a certain power transmission, such a structure Accordingly, there is an effect of reducing the amount of vibration of the engine delivered to the generator. In addition, the present invention further absorbs the vibration of the engine transmitted from the vibration absorbing member to the generator to further minimize the amount of vibration transmitted to the rotor of the generator. That is, the present invention has the effect of improving the operability of the generator and thereby improving the reliability of the generator by transmitting the power of the engine with the vibration minimized.

또한 발전기의 회전자축 일측이 엔진의 크랭크축과 직선상으로 연결된 구조에 따라 일측에 별도의 지지수단을 필요로 하지 않게 되므로 지지 베어링 등 부품감소의 효과가 있게 된다.In addition, according to the structure in which one side of the rotor shaft of the generator is connected in a straight line with the crankshaft of the engine, there is no need for a separate support means on one side, thereby reducing the parts such as support bearings.

Claims (3)

외부 커버로써 전방엔드실드(11)와 후방엔드실드(12)가 구비되고, 이러한 전방엔드실드(11) 및 후방엔드실드(12) 내측면에 고정자(13)가 지지설치되며, 상기 고정자(13)의 내측으로 회전자축(S)에 축설된 회전자(14)가 구비되어 상기 회전자축(S)을 회전시키는 엔진(E)의 회전동력을 받아 전력을 생산하도록 하는 차량용 발전기에 있어서,As the outer cover, the front end shield 11 and the rear end shield 12 are provided, and the stator 13 is supported on the inner side of the front end shield 11 and the rear end shield 12, and the stator 13 is provided. In the generator for the vehicle is provided with a rotor 14 built in the rotor shaft (S) in the inner side to receive the rotational power of the engine (E) for rotating the rotor shaft (S), 상기 엔진(E)의 크랭크축에 연동하도록 동축선상의 엔진 외부측에 연결·설치되는 회전휠(W);A rotary wheel (W) connected to and installed on an outer side of the engine on a coaxial line so as to interlock with a crank shaft of the engine (E); 상기 회전휠(W)에 일체로 밀착·결합되고 발전기의 회전자축(S)의 일단에 설치된 진동흡수부재(P);A vibration absorbing member (P) integrally in close contact with the rotary wheel (W) and installed at one end of the rotor shaft (S) of the generator; 를 포함하는 것을 특징으로 하는 차량용 발전기의 동력전달구조.Power transmission structure of a vehicle generator comprising a. 제 1항에 있어서, 상기 진동흡수부재(P)는 유연성을 갖는 얇은 판을 여러장 겹쳐 형성한 것을 특징으로 하는 차량용 발전기의 동력전달구조.The power transmission structure of a generator for a vehicle according to claim 1, wherein the vibration absorbing member (P) is formed by stacking a plurality of flexible thin plates. 제 1항에 있어서, 상기 진동흡수부재(P)에는 냉각팬(F)이 일체로 결합된 것을 특징으로 하는 차량용 발전기의 동력전달구조.The power transmission structure of a generator for a vehicle according to claim 1, wherein a cooling fan (F) is integrally coupled to the vibration absorbing member (P).
KR2019990024560U 1999-11-10 1999-11-10 Structure of transmitting power of a generator for car KR200182446Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101628608B1 (en) 2015-03-13 2016-06-09 현대자동차주식회사 Generator for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101628608B1 (en) 2015-03-13 2016-06-09 현대자동차주식회사 Generator for vehicle

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