KR20020043803A - Stick coil assembly for vehicle - Google Patents

Stick coil assembly for vehicle Download PDF

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Publication number
KR20020043803A
KR20020043803A KR1020000072927A KR20000072927A KR20020043803A KR 20020043803 A KR20020043803 A KR 20020043803A KR 1020000072927 A KR1020000072927 A KR 1020000072927A KR 20000072927 A KR20000072927 A KR 20000072927A KR 20020043803 A KR20020043803 A KR 20020043803A
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KR
South Korea
Prior art keywords
stick coil
primary core
coil assembly
stick
core
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KR1020000072927A
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Korean (ko)
Inventor
이노진
Original Assignee
배길훈
한국델파이주식회사
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Priority to KR1020000072927A priority Critical patent/KR20020043803A/en
Publication of KR20020043803A publication Critical patent/KR20020043803A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P3/00Other installations
    • F02P3/02Other installations having inductive energy storage, e.g. arrangements of induction coils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/245Magnetic cores made from sheets, e.g. grain-oriented
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/12Ignition, e.g. for IC engines
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/12Ignition, e.g. for IC engines
    • H01F2038/122Ignition, e.g. for IC engines with rod-shaped core

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

PURPOSE: A stick coil assembly for a vehicle is provided to improve the characteristic and durability of a stick coil and to maintain stabilized quality by absorbing thermal deformation due to high temperature heat via a shock absorbing unit formed between a primary core and a secondary spool. CONSTITUTION: A shock absorbing unit is prepared in a space between the upper portions of a primary core and a secondary spool. For absorbing the internal stress due to contraction and expansion, the shock absorbing unit is interposed with a cup made of liquid silicone having excellent heat resistance. Since the internal stress due to thermal deformation is absorbed, the generation of cracks is avoided.

Description

자동차용 스틱코일 어셈블리{Stick coil assembly for vehicle}Stick coil assembly for vehicle

본 발명은 자동차용 스틱코일 어셈블리에 관한 것으로서 더욱 상세하게는 점화코일과 스파크플러그 상간의 매개체인 점화케이블과 부트어셈블리를 생략하고 점화코일에서 바로 스파크플러그로 연결되어 고전압을 인가하는 스틱코일의 개선에 관한 것이다.The present invention relates to an automotive stick coil assembly, and more particularly, to improve the stick coil applying a high voltage by omitting the ignition cable and the boot assembly, which is a medium between the ignition coil and the spark plug, and connecting the spark plug directly from the ignition coil. It is about.

자동차용 점화코일은 엔진시동에 필요한 고전압을 연소실에 장착된 스파크플러그로 전달하여 연소가 가능하도록 하기 위한 것이다.Automotive ignition coil is to transmit the high voltage required for starting the engine to the spark plug mounted in the combustion chamber to enable combustion.

이러한 점화코일에서 발생한 고전압을 종래에는 점화배전기나 스파크플러그를 경유하여 스파크플러그로 전달되도록 하고 있다.The high voltage generated in such an ignition coil is conventionally transmitted to the spark plug via an ignition distributor or a spark plug.

이 경우에는 점화코일에서 발생한 고전압의 손실 우려가 높고 불필요한 부품과 원가부담이 발생하는 요인이 된다.In this case, there is a high risk of loss of high voltage generated in the ignition coil, which causes unnecessary components and cost burden.

특히, 점화배전기타입의 경우에는 점화코일에서 발생한 고전압을 케이블을 통하여 인가받고, 고전압을 인가받은 점화배전기는 다시 케이블을 통하여 스파크플러그와 연결하여 연소에 필요한 고전압을 배분하게 된다.Particularly, in the case of the ignition distributor type, the high voltage generated from the ignition coil is applied through the cable, and the ignition distributor receiving the high voltage is connected with the spark plug through the cable again to distribute the high voltage necessary for combustion.

이러한 배전기타입은 1차 고전압을 인가받기 위한 케이블과, 배전기에서 스파크플러그 상간을 연결하기 위한 케이블이 필요하고, 또 엔진의 크랭크축과 연계하여 작동하는 복잡한 구성의 점화배전기를 필요로 하게된다.This type of distributor requires a cable for applying the primary high voltage, a cable for connecting the spark plug phase in the distributor, and requires an ignition distributor having a complicated configuration that operates in conjunction with the crankshaft of the engine.

상기와 같은 복잡한 구성을 회피하기 위하여 발전된 것이 직접점화 시스템으로서, 점화코일과 스파크플러그 상간에 점화케이블만을 연결하여 고전압을 인가할 수 있도록 하고있다.It is a direct ignition system that has been developed to avoid such a complicated configuration, it is possible to apply a high voltage by connecting only the ignition cable between the ignition coil and the spark plug phase.

이 경우에는 점화배전기가 생략되어 전압의 손실을 최소화하고 관련부품을 줄여 성능과 품질 및 원가절감에 상당한 기여를 하고 있다.In this case, the ignition distributor is omitted, minimizing the loss of voltage and reducing the relevant components, making a significant contribution to performance, quality and cost reduction.

그러나, 이 경우에는 케이블이 엔진열에 노출된 상태에 있고 케이블과 케이블이 접촉하는 경우가 발생하여 역시 점화코일에서 발생한 고전압이 손실될 우려가 상당부분 발생한다.However, in this case, the cable is exposed to the engine heat, and the cable and the cable come into contact with each other, and there is a considerable concern that the high voltage generated in the ignition coil is also lost.

이러한 문제점을 해결하고자 개발된 것이 스파크플러그에 직접 접화코일을 연결하여 고전압을 인가할 수 있도록 한 스틱코일이다.It was developed to solve this problem is a stick coil that can apply a high voltage by directly connecting the sparking coil to the spark plug.

이러한 스틱코일(1)은 도 1에 도시된 바와같이;This stick coil 1 is shown in FIG. 1;

하방에 스파크플러그와 결합할 수 있도록 내부에는 매개체로 스프링(2)을 가지는 결합홀(3)을 형성한 막대타입의 케이스(4)가 구비된다.A rod-shaped case 4 having a coupling hole 3 having a spring 2 as a medium is provided therein so that the spark plug can be coupled downward.

상기 케이스(4)의 내부에는 적층한 전기강판으로 구성되는 코어(5)를 가지는 프라이머리코어(6)이 구비되고, 상기 프라이머리코어(6)의 하단부는 결합홀(3)의 상측에 위치하는 세컨더리스풀(7)과 조립되어 구성된다.A primary core 6 having a core 5 composed of laminated electrical steel sheets is provided inside the case 4, and a lower end of the primary core 6 is positioned above the coupling hole 3. It is constructed by assembling with the secondaryless pool 7.

상기 프라이머리코어(6)과 세컨더리스풀(7) 상간의 공간에는 에폭시(8)를 충진하여 마감하게 된다.The space between the primary core 6 and the secondary pool 7 is filled with epoxy 8 to finish.

상기와 같은 종래의 기술에서는 스틱코일이 고전압을 발생하는 과정에서 프라이머리코어의 코어와 세컨더리스풀 상간에 개재되는 에폭시가 열에대한 수축 및 팽창계수가 다르기 때문에 코어의 끝단부에 상당한 스트레스가 집중되어진다.In the conventional technology as described above, since the epoxy interposed between the core of the primary core and the secondary pool is different in thermal shrinkage and expansion coefficients during the process of generating the high voltage of the stick coil, significant stress is concentrated at the end of the core. .

이 스트레스로 인하여 프라이머리코어과 세컨더리스풀 상간에 충진된 에폭시에 크랙을 유발함으로서 점화코일에서 발생한 고전압이 스파크플러그로 전달되는 것에 영향을 미처 원활한 점화성능을 유지할 수 없게되는 등의 문제점을 가지게 된다.This stress causes a crack in the epoxy filled between the primary core and the secondary pool, affecting the transfer of the high voltage generated from the ignition coil to the spark plug and thus preventing the smooth ignition performance from being maintained.

이러한 종래기술에서는 스틱코일의 성능에 악영향을 미치게 됨은 물론, 스틱코일의 수명을 단축시키게 되는 원인이 되고 점화성능의 저하로 엔진의 시동성을 저하시키는 등 여러 문제점들을 가지게 된다.In the prior art, not only adversely affects the performance of the stick coil, but also causes the life of the stick coil to be shortened, and has various problems such as deterioration of engine startability due to a decrease in ignition performance.

이에 본 발명에서는 상기와 같은 문제점들을 해결하기 위하여 발명된 것으로서 스틱코일을 구성하는 프라이머리코어과 세컨더리스풀 상간의 공간부에 고열에 의한 열변형을 충분히 흡수하고 내구성을 가지는 완충수단을 강구함으로서 스틱코일의 성능과 내구성 향상에 기여하고 안정된 품질을 유지할 수 있도록 함으로서 점화성능의 향상에 기여할 수 있도록 함을 목적으로 한다.Accordingly, the present invention has been invented to solve the above problems, and by absorbing thermal deformation due to high heat sufficiently in the space between the primary core and the secondaryless pool constituting the stick coil, a buffer means having durability is devised. It aims to contribute to the improvement of ignition performance by contributing to improving performance and durability and maintaining stable quality.

도 1은 종래기술이 적용된 자동차용 스틱코일 어셈블리를 도시한 단면 구성도.1 is a cross-sectional view showing a stick coil assembly for a vehicle to which the prior art is applied.

도 2는 본 발명의 기술이 적용된 자동차용 스틱코일 어셈블리를 도시한 단면 구성도.Figure 2 is a cross-sectional view showing a stick coil assembly for automobiles to which the technology of the present invention is applied.

*도면의 주요 부분에 사용된 부호의 설명** Description of the symbols used in the main parts of the drawings *

30; 스틱코일30; Stick Coil

35; 코어35; core

36; 프라이머리코어36; Primary Core

37; 세컨더리스풀37; Secondary Pool

40; 공간40; space

41; 완충수단41; Cushioning means

42; 컵42; cup

이하 첨부되,는 도면과 관련하여 상기 목적을 달성하기 위한 본 발명의 바람직한 실시예의 구성과 작용에 대하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the configuration and operation of the preferred embodiment of the present invention for achieving the above object will be described.

도 2는 본 발명의 기술이 적용된 자동차용 스틱코일 어셈블리를 도시한 단면 구성도이다.Figure 2 is a cross-sectional view showing a stick coil assembly for a vehicle to which the technique of the present invention is applied.

통상적인 스틱코일(30)은;A typical stick coil 30 is;

하방에 스파크플러그와 결합할 수 있도록 내부에는 매개체로 스프링(31)을 가지는 결합홀(32)을 형성한 케이스(33)가 구비된다.A case 33 having a coupling hole 32 having a spring 31 as a medium is provided therein so that the spark plug can be coupled downward.

상기 케이스(33)의 내부에는 적층한 전기강판으로 구성되는 코어(35)를 가지는 프라이머리코어(36)이 구비되고, 상기 프라이머리코어(36)의 하단부는 결합홀(32)의 상측에 위치하는 세컨더리스풀(37)과 조립되어 구성된다.The inside of the case 33 is provided with a primary core 36 having a core 35 composed of laminated electrical steel sheets, the lower end of the primary core 36 is located above the coupling hole 32 It is assembled with the secondaryless pool 37 to be configured.

상기 프라이머리코어(36)과 세컨더리스풀(37) 상간의 공간(40)에는 고열에 의한 수축과 팽창에 따르는 내부응력을 흡수하여 균열을 방지하기 위한 완충수단(41)을 개재하여 완성된다.The space 40 between the primary core 36 and the secondaryless pool 37 is completed with a buffer means 41 for absorbing internal stresses caused by shrinkage and expansion due to high heat and preventing cracks.

본 발명에서는 프라이머리코어(36)과 세컨더리스풀(37) 상간의 공간(40)에는 고열에 의한 수축과 팽창에 따르는 내부응력을 흡수하여 균열을 방지하기 위한 완충수단(41)을 개재하여 완성된다.In the present invention, the space 40 between the primary core 36 and the secondary pool 37 is completed with a buffer means 41 for absorbing internal stresses caused by shrinkage and expansion due to high heat and preventing cracks. .

상기 완충수단(41)은 내열성이 우수한 리퀴드실리콘(Liquid Silicone)으로 성형한 컵(42)을 두고, 상기 컵(42)의 주위에는 경질의 에폭시(43)를 충진하여 구성한다.The shock absorbing means 41 has a cup 42 formed of liquid silicone having excellent heat resistance, and is configured by filling a hard epoxy 43 around the cup 42.

상기와 같은 본 발명은;The present invention as described above;

스틱코일(30)을 구성하는 프라이머리코어(36)과 세컨더리스풀(37) 상간의 공간(40)에는 고열에 의한 수축과 팽창에 따르는 내부응력을 흡수하여 균열을 방지할 수 있도록 리퀴드실리콘으로 성형된 컵(42)을 개재하고 있기 때문에 점화코일에서 발생되는 고열에 의한 내부응력을 흡수하게 된다.The space 40 between the primary core 36 and the secondary pool 37 forming the stick coil 30 is formed of liquid silicone to prevent cracking by absorbing internal stress caused by shrinkage and expansion due to high heat. Since the cup 42 is interposed, the internal stress due to the high heat generated by the ignition coil is absorbed.

그러므로, 프라이머리코어(36) 내부에 위치한 코어(35)의 균열이 방지되고 이로인한 스틱코일(30)의 내구성을 충분히 유지할 수 있게된다.Therefore, cracking of the core 35 located inside the primary core 36 is prevented and thus the durability of the stick coil 30 can be sufficiently maintained.

이상과 같은 본 발명은 스틱코일을 구성하는 프라이머리코어과 세컨더리스풀 상간의 공간부에 고열에 의한 열변형을 충분히 흡수하고 내구성을 가지는 완충수단을 강구함으로서 스틱코일의 성능과 내구성 향상에 기여하고 안정된 품질을 유지할수 있는 등 많은 효과를 가진다.As described above, the present invention contributes to improving the performance and durability of the stick coil by providing a cushioning means that sufficiently absorbs heat deformation due to high heat and has durability in the space between the primary core and the secondaryless pool forming the stick coil. It can hold many effects.

Claims (3)

하방에 스파크플러그와 결합할 수 있도록 내부에는 매개체로 스프링(31)을 가지는 결합홀(32)을 형성하여 구비되는 케이스(33);A case 33 formed by forming a coupling hole 32 having a spring 31 as a medium so as to be coupled to the spark plug below; 상기 케이스(33)의 내부에는 적층한 전기강판으로 구성되는 코어(35)를 가지는 프라이머리코어(36);A primary core (36) having a core (35) composed of laminated electrical steel sheets in the case (33); 상기 프라이머리코어(36)의 하단부는 결합홀(32)의 상측에 위치하는 세컨더리스풀(37)과 조립되어 구성되는 통상적인 스틱코일(30)에 있어서;In the conventional stick coil (30) is composed of the lower end of the primary core (36) is assembled with the secondary pool (37) located above the coupling hole (32); 상기 프라이머리코어(36)과 세컨더리스풀(37) 상간의 공간(40)에는 고열에 의한 수축과 팽창에 따르는 내부응력을 흡수하여 균열을 방지할 수 있도록 컵(42)형상의 완충수단(41)을 더 구비하는 것을 특징으로 하는 자동차용 스틱코일 어셈블리.In the space (40) between the primary core (36) and the secondary pool (37), a cushioning means (41) in the shape of the cup (42) to absorb the internal stress due to the contraction and expansion due to high heat to prevent cracking Automotive stick coil assembly further comprising a. 제 1 항에 있어서;The method of claim 1; 상기 컵(42)의 주위에는 경질의 에폭시(43)를 충진하는 것을 특징으로 하는 자동차용 스틱코일 어셈블리.Stick coil assembly for the automobile, characterized in that filled with a hard epoxy (43) around the cup (42). 제 1 항에 있어서;The method of claim 1; 상기 완충수단(40)은 내열성이 우수한 리퀴드실리콘(Liquid Silicone)으로 성형하는 것을 특징으로 하는 자동차용 스틱코일 어셈블리.The shock absorbing means 40 is an automotive stick coil assembly, characterized in that the molded in excellent heat resistance (Liquid Silicone).
KR1020000072927A 2000-12-04 2000-12-04 Stick coil assembly for vehicle KR20020043803A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0917662A (en) * 1995-06-30 1997-01-17 Hitachi Ltd Ignition device for internal-combustion engine
JPH10340822A (en) * 1997-06-10 1998-12-22 Hitachi Ltd Igniter for internal combustion engine
US5870012A (en) * 1995-12-27 1999-02-09 Toyo Denso Kabushiki Kaisha Engine ignition coil device
JP2000091144A (en) * 1998-09-07 2000-03-31 Hitachi Ltd Ignition coil for internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0917662A (en) * 1995-06-30 1997-01-17 Hitachi Ltd Ignition device for internal-combustion engine
US5870012A (en) * 1995-12-27 1999-02-09 Toyo Denso Kabushiki Kaisha Engine ignition coil device
JPH10340822A (en) * 1997-06-10 1998-12-22 Hitachi Ltd Igniter for internal combustion engine
JP2000091144A (en) * 1998-09-07 2000-03-31 Hitachi Ltd Ignition coil for internal combustion engine

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