JPS60190673A - Ignition device for internal-combustion engine - Google Patents
Ignition device for internal-combustion engineInfo
- Publication number
- JPS60190673A JPS60190673A JP4580084A JP4580084A JPS60190673A JP S60190673 A JPS60190673 A JP S60190673A JP 4580084 A JP4580084 A JP 4580084A JP 4580084 A JP4580084 A JP 4580084A JP S60190673 A JPS60190673 A JP S60190673A
- Authority
- JP
- Japan
- Prior art keywords
- high voltage
- ignition coil
- ignition
- distribution plate
- electrodes
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
- F02P7/02—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors
- F02P7/03—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors with electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は機械的な高電圧分配用ディストリビュータを用
いない内燃機関用点火装置（以下Ｄｉｓと略す）の構成
に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the configuration of an ignition system for an internal combustion engine (hereinafter abbreviated as Dis) that does not use a mechanical high voltage distributor.
（従来技術）
最近の点火装置に於ける動向は、低電波雑音、メンテナ
ンスフリー、搭載性の向上環の要求からＤｉｓが注目さ
れている。(Prior Art) In recent trends in ignition systems, Dis is attracting attention due to the demand for low radio noise, free maintenance, and improved mountability.
Ｄｉｓとしては従来、特開昭５０−４３３２７号公報に
記載のごとき、ダイオード分配方式、特開昭５４−３３
９２４号公報に記載のごときダブル点火コイル方式等が
あるが、高圧コードについて言えば従来のシステムと同
じで複数の高圧コードにより点火コイルと点火プラグを
連結していた。Conventionally, as Dis, a diode distribution method as described in Japanese Patent Application Laid-Open No. 50-43327,
There is a double ignition coil system as described in Japanese Patent No. 924, but the high voltage cord is the same as the conventional system, in which the ignition coil and the spark plug are connected by a plurality of high voltage cords.
ところが、この方式であると、点火コイルが点火プラグ
からある程度離れた位置に配設される場合は問題ないが
、点火プラグの上部に点火コイルが配設される場合、高
圧コードの装着作業性や搭載性が悪くなり大きな問題と
なっていた。However, with this method, there is no problem if the ignition coil is placed at a certain distance from the spark plug, but if the ignition coil is placed above the spark plug, it may be difficult to attach the high voltage cord. This was a big problem as it made it difficult to install.
（発明の目的）
そこで本発明は、点火コイルを高圧コードを使用しない
で点火プラグに接続する構成となし、高圧コードを不要
にして、装着作業性および搭載性を大幅に向上すること
を目的とする。(Objective of the Invention) Therefore, an object of the present invention is to configure the ignition coil to be connected to the spark plug without using a high-voltage cord, eliminate the need for a high-voltage cord, and significantly improve installation workability and installation ease. do.
（実施例） 以下本発明を図に示す実施例について説明する。(Example) The present invention will be described below with reference to embodiments shown in the drawings.
第１図乃至第３図において、２０はダブルオーバ−ヘッ
ドカム式４気筒内燃機関のシリンダヘッド−カバーで、
その上部中間部分には凹形状の一バンク部２０ａが形成
されていて、このバンク部２０ａより４個の点火プラグ
３Ａ〜３Ｄが内燃機関の各シリンダに対して装着されて
いる。そして、このバンク部２０ａの上部には取付用ス
テー２１が配置され、このステー２１の両端はボルト２
２によりシリンダヘッドカバー２０の上端に固定されて
いる。さらに、この取付用ステー２１のバンク部２Ｏａ
側の面（下面）には２つのダブル点火コイルＩＡ、ＩＢ
と、このダブル点火コイルｌΔ、ＩＢを交互に断続する
点火増幅器２３とが固定されている。そして、これら各
点火コイルＩＡ、ｌＢの下部にはそれぞれ２つずつの棒
状２次高圧端子１３〜１ｄが下方に向かって突出形成さ
れている。1 to 3, 20 is a cylinder head cover of a double overhead cam type four-cylinder internal combustion engine;
A concave bank portion 20a is formed in the upper intermediate portion, and four spark plugs 3A to 3D are attached to each cylinder of the internal combustion engine from this bank portion 20a. A mounting stay 21 is arranged on the upper part of this bank portion 20a, and both ends of this stay 21 are connected to bolts 2.
2 to the upper end of the cylinder head cover 20. Furthermore, the bank portion 2Oa of this mounting stay 21
Two double ignition coils IA and IB on the side surface (bottom surface)
and an ignition amplifier 23 that alternately connects and connects the double ignition coils lΔ and IB are fixed. Two rod-shaped secondary high voltage terminals 13 to 1d are formed at the bottom of each of these ignition coils IA, IB to protrude downward.
また、合成樹脂またはゴム等の絶縁材よりなる配電プレ
ート２の上面には、各点火コイルＩＡ。Further, each ignition coil IA is provided on the upper surface of the power distribution plate 2 made of an insulating material such as synthetic resin or rubber.
ＩＢの各２次高圧端子１ａ〜１ｄと対応して上方に向か
って突出する４つの円筒状高圧端子受部２８〜２ｄが一
体形成されていると共に、この配電プレート２は各点火
プラグ３八〜３Ｄの配列長さに対応した長さ寸法に形成
されている。そして、配電プレート２の下面には、各点
火プラグと対応して、下方に向かって突出する４つの円
筒状シール部材１０Ａ〜１０Ｄが固着されている。これ
ら各シール部材１０Ａ〜１０Ｄはゴム等の弾性シール材
よりなり、それらの各中心穴は各点火プラグ３Ａ〜３Ｄ
の碍子部外形より若干小さく形成されていて、各プラグ
３Ａ〜３Ｄに圧入嵌合固定されるようにしである。また
、配電プレート２の各円筒状高圧端子受部２ａ〜２ｄ内
には、ゴム等の弾性シール材よりなる円筒状のシール部
材９が固着されていて、これら各シール部材９の各中心
穴は各点火コイルＩＡ、’ＩＢの各高圧端子１ａ〜１ｄ
の外径より若干小さく形成されていて、各高圧端子１ａ
〜１ｄが圧入嵌合固定されるようにしである。Four cylindrical high voltage terminal receivers 28 to 2d that protrude upward in correspondence with the respective secondary high voltage terminals 1a to 1d of the IB are integrally formed, and the power distribution plate 2 is connected to each of the spark plugs 38 to 38. The length dimension corresponds to the 3D array length. Further, four cylindrical seal members 10A to 10D that protrude downward are fixed to the lower surface of the power distribution plate 2 in correspondence with each spark plug. Each of these sealing members 10A to 10D is made of an elastic sealing material such as rubber, and each of their center holes is connected to each spark plug 3A to 3D.
It is formed to be slightly smaller than the outer shape of the insulator part, and is press-fitted and fixed to each of the plugs 3A to 3D. Furthermore, a cylindrical seal member 9 made of an elastic sealing material such as rubber is fixed in each of the cylindrical high-voltage terminal receiving portions 2a to 2d of the power distribution plate 2, and each center hole of each of these seal members 9 is Each high voltage terminal 1a to 1d of each ignition coil IA, 'IB
It is formed slightly smaller than the outer diameter of each high voltage terminal 1a.
~1d is press-fitted and fixed.
そしそ、配電プレート２中には、各点火コイルＩＡ、Ｉ
Ｂの各高圧端子１ａ〜１ｄと各点火プラグ３八〜３Ｄと
の間を電気配線するために、所定パターンに形成された
４枚の板状電極４八〜４Ｄが埋め込んであり、これら各
電極４Ａ〜４Ｄの各高圧端子１ａ〜１ｄおよび各点火プ
ラグ３Ａ〜３Ｄと対向する両端には、各リベット５．６
を介してスプリング７．８が固定されている。これら両
端の各スプリング７．８は各高圧端子１ａ〜１ｄおよび
各点火プラグ３八〜３Ｄと対向する側の互いに逆方向の
面に配置されていて、上面側に配置された各スプリング
７は各高圧端子１ａ〜１ｄと接触して、これら各高圧端
子’ｌ ａ〜１ｄと各電極４Ａ〜４Ｄとの間の導通をと
り、下面側に配置された各スプリング８は各点火プラグ
３八〜３Ｄの電極と接触して、これら各点火プラグ３Ａ
〜３Ｄと各電極４Ａ〜４Ｄとの間の導通をとるようにし
である。In the power distribution plate 2, each ignition coil IA, I
In order to electrically wire between each of the high voltage terminals 1a to 1d of B and each of the spark plugs 38 to 3D, four plate electrodes 48 to 4D formed in a predetermined pattern are embedded, and each of these electrodes Each rivet 5.6 is provided at both ends facing each high voltage terminal 1a to 1d of 4A to 4D and each spark plug 3A to 3D.
A spring 7.8 is fixed via. The springs 7.8 at both ends are disposed on opposite sides of the high-voltage terminals 1a to 1d and the spark plugs 38 to 3D, and the springs 7 disposed on the upper surface are arranged in opposite directions. The springs 8 arranged on the lower surface of the spark plugs 38-3D contact the high-voltage terminals 1a-1d to establish continuity between the high-voltage terminals 1a-1d and the electrodes 4A-4D. in contact with the electrodes of each of these spark plugs 3A
3D and each of the electrodes 4A to 4D.
上記構成において、外部から入力される点火信号に応じ
て点火増幅器２３が作動して各点火コイル１Δ、ＩＢの
１次電流を交互に断続する。これにより、各点火コイル
ｌＡ、ＩＢの２次側に交互に高電圧が発生し、これらの
高電圧を、各高圧端子１ ａ −１ｄより、各スプリン
グ７、各電極４Ａ〜４Ｄおよび各スプリング８を介して
各点火プラグ３Ａ〜３Ｄに供給し、各点火プラグ３Ａ〜
３Ｄに点火火花を発生させる。In the above configuration, the ignition amplifier 23 operates in response to an ignition signal inputted from the outside, and alternately connects and disconnects the primary current of each ignition coil 1Δ, IB. As a result, high voltage is generated alternately on the secondary side of each ignition coil IA, IB, and these high voltages are transmitted from each high voltage terminal 1a-1d to each spring 7, each electrode 4A to 4D, and each spring 8. is supplied to each spark plug 3A to 3D via
Generates an ignition spark in 3D.
ここで、配電プレート２は、内燃機関の各シリンダに固
定された各点火プラグ３八〜３Ｄに、各シール部材１０
Ａ〜１０Ｄを圧入嵌合するのみで、内燃機関に装着され
、その後、各点火コイルＩＡ。Here, the power distribution plate 2 connects each seal member 10 to each spark plug 38 to 3D fixed to each cylinder of the internal combustion engine.
A to 10D are attached to the internal combustion engine by simply press-fitting them, and then each ignition coil IA is installed.
ＩＢの各高圧端子１ａ〜１ｄを配電プレート２の各高圧
端子受部２ａ〜２ｄ内の各シール部材９に圧入嵌合し、
しかる後、取付ステー２１の両端をボルト２２によって
、シリンダヘッドカバー２０に締め付は固定する。Each high voltage terminal 1a to 1d of the IB is press-fitted into each seal member 9 in each high voltage terminal receiving part 2a to 2d of the power distribution plate 2,
Thereafter, both ends of the mounting stay 21 are tightened and fixed to the cylinder head cover 20 with bolts 22.
なお、上述した実施例においては、点火増幅器２３およ
び各点火コイルｌへ、ＩＢを、取付ステー２１を介して
シリンダヘッドカバー２０に固定し、配電プレート２は
、各点火コイル３Ａ〜３Ｄと各高圧端子１ａ−１ｄとの
間に嵌合結合したのみであったが、配電プレート２をボ
ルト等により内燃機関側に固定するようにしてもよい。In the embodiment described above, the IB is fixed to the cylinder head cover 20 via the mounting stay 21 to the ignition amplifier 23 and each ignition coil l, and the power distribution plate 2 is connected to each ignition coil 3A to 3D and each high voltage terminal. 1a to 1d, the power distribution plate 2 may be fixed to the internal combustion engine side with bolts or the like.
また、配電プレート２と各点火コイルＩＡ、ＩＢおよび
必要に応じて点火増幅器２３を樹脂により一体成形し、
各点火コイルＬＡ、ＩＢの高圧端子１３〜１ｄを配電プ
レート２の各電極４Ａ〜４Ｄの一端に直結したり、さら
に配電プレート２の各電極４Ａ〜４Ｄの他端を各点火プ
ラグ３Ａ〜３Ｄの電極に直結して、配電プレート２と各
点火プラグ３Ａ〜３Ｄとを一体化するようにしてもよい
。In addition, the power distribution plate 2, each ignition coil IA, IB, and if necessary, the ignition amplifier 23 are integrally molded from resin,
The high voltage terminals 13 to 1d of each ignition coil LA and IB are directly connected to one end of each electrode 4A to 4D of the power distribution plate 2, and the other end of each electrode 4A to 4D of the power distribution plate 2 is connected directly to one end of each electrode 4A to 4D of each spark plug 3A to 3D. The power distribution plate 2 and each of the spark plugs 3A to 3D may be integrated by being directly connected to the electrodes.
また、上述した実施例においては、ダブル点火コイル方
式のＤＩＳに本発明を適用したが、１つの点火コイルの
２次高電圧を、高圧ダイオードを介して４個の各点火プ
ラグに分配するダイオード分配方式のＤＩＳや、各気筒
に１つずつの点火コイルを有するＤＩ’Ｓにも本発明を
適用できる。In the above-described embodiment, the present invention was applied to a double ignition coil type DIS, but a diode distribution system that distributes the secondary high voltage of one ignition coil to each of four spark plugs via a high voltage diode is used. The present invention can also be applied to a type DIS or a DI'S having one ignition coil for each cylinder.
また、本発明は４気筒に限らず、２以上の気筒を有する
内燃機関であれば通用可能である。Further, the present invention is not limited to four cylinders, and is applicable to any internal combustion engine having two or more cylinders.
（発明の効果）
以上本発明によれば、点火コイルと点火プラグとの間の
配電を配電プレートで行なうから、点火装置の構成が非
常に簡略化され、大幅な搭載性向上が可能となる。また
、高圧コードが廃止できるため、点火コイルのエネルギ
ー伝達ロスが低減でき、高圧配電部の信頼性が向上する
。(Effects of the Invention) As described above, according to the present invention, since power is distributed between the ignition coil and the spark plug by the power distribution plate, the configuration of the ignition device is greatly simplified, and the installation property can be greatly improved. Furthermore, since the high-voltage cord can be eliminated, energy transmission loss in the ignition coil can be reduced, and the reliability of the high-voltage power distribution section can be improved.
よって、ＤＩＳの特徴を充分に発揮することができる。Therefore, the characteristics of DIS can be fully exhibited.
第１図は本発明装置の一実施例を示す正面図、第２図は
第Ｆ図図示装置の要部構成を示す部分断面正面図、第３
図は上記実施例における配電プレートの配電パターンを
示す図である。
ＩＡ、ＩＢ・・・ダブル点火コイル、２・・・配電プレ
ート、３Ａ〜３Ｄ・・・点火プラグ。
代理人弁理士 岡 部 隆FIG. 1 is a front view showing one embodiment of the device of the present invention, FIG. 2 is a partially sectional front view showing the main part configuration of the device shown in FIG.
The figure is a diagram showing the power distribution pattern of the power distribution plate in the above embodiment. IA, IB...double ignition coil, 2...distribution plate, 3A-3D...spark plug. Representative Patent Attorney Takashi Okabe
Claims (1)
点火装置において、少なくとも１つの点火コイルと各点
火プラグとの間を、配電プレートを介して電気的に接続
してなる内燃機関用点火装置。An ignition device for an internal combustion engine that does not use a high-voltage distributor, wherein at least one ignition coil and each spark plug are electrically connected via a power distribution plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4580084A JPS60190673A (en) | 1984-03-09 | 1984-03-09 | Ignition device for internal-combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4580084A JPS60190673A (en) | 1984-03-09 | 1984-03-09 | Ignition device for internal-combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60190673A true JPS60190673A (en) | 1985-09-28 |
| JPH0531675B2 JPH0531675B2 (en) | 1993-05-13 |
Family
ID=12729341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4580084A Granted JPS60190673A (en) | 1984-03-09 | 1984-03-09 | Ignition device for internal-combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60190673A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6368773A (en) * | 1986-09-10 | 1988-03-28 | Hitachi Ltd | Ignition coil for multicylinder internal combustion engine |
| US4819612A (en) * | 1986-05-08 | 1989-04-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Self-heating container |
| FR2660020A1 (en) * | 1990-03-26 | 1991-09-27 | Peugeot | IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE. |
| US5109828A (en) * | 1990-03-27 | 1992-05-05 | Nippondenso Co., Ltd. | Apparatus for supplying high voltage to spark plug of internal combustion engine |
| US5152274A (en) * | 1990-08-01 | 1992-10-06 | Mitsubishi Denki Kabushiki Kaisha | Ignition coil apparatus |
| US5237982A (en) * | 1991-08-12 | 1993-08-24 | Nippondenso Co., Ltd. | Ignition apparatus for internal-combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5788266A (en) * | 1980-11-20 | 1982-06-02 | Nippon Soken Inc | Igniter for internal combustion engine |
| JPS5823270A (en) * | 1981-08-03 | 1983-02-10 | Nissan Motor Co Ltd | Ignition device for internal combustion engine |
| JPS6043178U (en) * | 1983-09-02 | 1985-03-27 | トヨタ自動車株式会社 | Internal combustion engine spark plug drive device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6043178B2 (en) * | 1978-06-28 | 1985-09-26 | 川崎重工業株式会社 | Rotating crusher operation control method |
-
1984
- 1984-03-09 JP JP4580084A patent/JPS60190673A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5788266A (en) * | 1980-11-20 | 1982-06-02 | Nippon Soken Inc | Igniter for internal combustion engine |
| JPS5823270A (en) * | 1981-08-03 | 1983-02-10 | Nissan Motor Co Ltd | Ignition device for internal combustion engine |
| JPS6043178U (en) * | 1983-09-02 | 1985-03-27 | トヨタ自動車株式会社 | Internal combustion engine spark plug drive device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4819612A (en) * | 1986-05-08 | 1989-04-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Self-heating container |
| JPS6368773A (en) * | 1986-09-10 | 1988-03-28 | Hitachi Ltd | Ignition coil for multicylinder internal combustion engine |
| FR2660020A1 (en) * | 1990-03-26 | 1991-09-27 | Peugeot | IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE. |
| US5109828A (en) * | 1990-03-27 | 1992-05-05 | Nippondenso Co., Ltd. | Apparatus for supplying high voltage to spark plug of internal combustion engine |
| US5152274A (en) * | 1990-08-01 | 1992-10-06 | Mitsubishi Denki Kabushiki Kaisha | Ignition coil apparatus |
| US5237982A (en) * | 1991-08-12 | 1993-08-24 | Nippondenso Co., Ltd. | Ignition apparatus for internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531675B2 (en) | 1993-05-13 |
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| Date | Code | Title | Description |
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| EXPY | Cancellation because of completion of term |