JPS61258970A - Igniter for internal combustion engine - Google Patents

Igniter for internal combustion engine

Info

Publication number
JPS61258970A
JPS61258970A JP3312086A JP3312086A JPS61258970A JP S61258970 A JPS61258970 A JP S61258970A JP 3312086 A JP3312086 A JP 3312086A JP 3312086 A JP3312086 A JP 3312086A JP S61258970 A JPS61258970 A JP S61258970A
Authority
JP
Japan
Prior art keywords
ignition
plug
spark
combustion engine
internal combustion
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.)
Pending
Application number
JP3312086A
Other languages
Japanese (ja)
Inventor
ハインツ・デツカー
ハンス−ウルリツヒ・グルーバー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPS61258970A publication Critical patent/JPS61258970A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H01T13/44—Sparking plugs structurally combined with other devices with transformers, e.g. for high-frequency ignition
    • 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
    • F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
    • 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
    • F02P3/00—Other installations
    • F02P3/06—Other installations having capacitive energy storage
    • F02P3/08—Layout of circuits
    • F02P3/0876—Layout of circuits the storage capacitor being charged by means of an energy converter (DC-DC converter) or of an intermediate storage inductance
    • F02P3/0884—Closing the discharge circuit of the storage capacitor with semiconductor devices
    • 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
    • F02P7/035—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors with electrical means without mechanical switching means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/46—Sparking plugs having two or more spark gaps
    • H01T13/462—Sparking plugs having two or more spark gaps in series connection
    • H01T13/465—Sparking plugs having two or more spark gaps in series connection one spark gap being incorporated in the sparking plug

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は１つの電圧変換器と、複数個の点火変圧器と、
複数個の電子スイッチと複数個の点火プラグとを有し、
相応する点火時点において、点火変圧器の１次巻線のそ
の都度１つが電子スイッチの１つを通して電圧変換器に
接続され、点火変圧器の２次巻線のうちのその都度１つ
が点火プラグの少なくとも１つに点火電圧を供給する内
燃機関用点火装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention comprises a voltage converter, a plurality of ignition transformers,
It has a plurality of electronic switches and a plurality of spark plugs,
At the corresponding ignition moment, in each case one of the primary windings of the ignition transformer is connected to the voltage converter through one of the electronic switches, and in each case one of the secondary windings of the ignition transformer is connected to the spark plug. The present invention relates to an ignition device for an internal combustion engine that supplies an ignition voltage to at least one ignition device.

従来技術 本発明は特許請求の範囲の上位概念に記載の点火装置か
ら出発している。この種の点火装置は既に公知である　
（ＰＣＴ国際出願公開第８４１００４０２号公報から）
。BACKGROUND OF THE INVENTION The invention starts from an ignition device according to the preamble of the patent claims. This type of ignition device is already known
(From PCT International Application Publication No. 84100402)
.

本発明が解決しようとする問題点 しかしながら、公知の点火装置においては、点火火花の
持続期間および点火エネルギーが充分でないため、燃料
空気混合気がどんな場合でも点火されるとは限らないと
言う欠点がある。Problems to be Solved by the Invention However, known ignition devices have the disadvantage that the fuel-air mixture is not always ignited because the duration of the ignition spark and the ignition energy are insufficient. be.

問題点を解決するための手段 前述の問題点を解決するために、本発明では、点火プラ
グとしてブレークスルー点火プラグ（Ｄ　ｒｕｃｈｂｒ
ｕｃｈｓｚｕｎｄｋｅｒｚ）を設けるようにする。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention uses a breakthrough spark plug (D ruchbr
uchszundkerz).

実施例 第１図の点火装置は、図示されていない車両の図示され
ていない４シリンダ４サイクル内燃機関用のものである
。点火装置は車両のバッテリである直流源から給電され
る。電流源ｌの負極からアース２に接続されている導線
３が出ており、電流源ｌの正極から作動スイッチ４が挿
入接続された給電線５が出ている。給電線５は、インバ
ータ６と発信機ユニット７に分岐している。単一充電ま
たは多数充電のためのインバータ６の出力側には、昇圧
変圧器９の１次巻線８が接続されており、変圧器の２次
巻線ｌＯは、作動期間中整流器１１を介して蓄積コンデ
ンサ１２を充電する。そのため回路素子　６、９．１１
は、直流電圧変換器１３を形成しており、直流電圧変換
器１３は破線で囲まれている。EXAMPLE The ignition system of FIG. 1 is for a four-cylinder four-stroke internal combustion engine (not shown) of a vehicle (not shown). The ignition system is powered by a direct current source, which is the vehicle's battery. A conductor 3 connected to earth 2 comes out from the negative pole of the current source 1, and a power supply line 5 to which an actuation switch 4 is inserted and connected comes out from the positive pole of the current source 1. The feed line 5 branches into an inverter 6 and a transmitter unit 7. The primary winding 8 of a step-up transformer 9 is connected to the output side of the inverter 6 for single or multiple charging, and the secondary winding IO of the transformer is connected through a rectifier 11 during operation. to charge the storage capacitor 12. Therefore, circuit elements 6, 9.11
form a DC voltage converter 13, and the DC voltage converter 13 is surrounded by a broken line.

それから４個の点火変圧器１４および、４個の点火プラ
グ１５ないし４個の電子スイッチ　（有利な実施例では
サイリスタ）１６が設けられており、その際、相応する
点火時点においてその都度点火変圧器１４の１次巻線１
７のうちの１つが、電子スイッチ１６を通して蓄積コン
デンサ１２に接続され、点火変圧器１４の２次巻線１８
のうちの１つが、点火プラグ１５のうちの１つに点火電
圧を供給する。本発明により、この場合ブレークスルー
点火プラグを用い、ブレークスルー点火プラグは、点火
火花の発生の近傍に、コンデンサ１９を有する。Four ignition transformers 14 and four spark plugs 15 or four electronic switches (thyristors in the preferred embodiment) 16 are then provided, with each ignition transformer being switched off at the corresponding ignition point. 14 primary winding 1
7 is connected to the storage capacitor 12 through an electronic switch 16 and connected to the secondary winding 18 of the ignition transformer 14.
one of the spark plugs 15 supplies the ignition voltage to one of the spark plugs 15. According to the invention, a breakthrough spark plug is used in this case, which has a capacitor 19 in the vicinity of the generation of the ignition spark.

発信機ユニット７を用いて、クランク軸またはカム軸の
所定の回転角度位置に依存して、点火プラグ１５が決め
られた順序で点火される。Using the transmitter unit 7, the spark plugs 15 are ignited in a determined sequence depending on the predetermined rotational angular position of the crankshaft or camshaft.

組立状態において、有利な実施例ではブレークスルー点
火プラグ　１５、！９　は点火変圧器１４と電圧スイッ
チ１６と共に構造的にまとめられたユニット２０を形成
する。その場合、たとえば点火変圧器Ｉ４と電子スイッ
チ１６は、−第２図に示すように、−プラグケーシング
２１の中に取付けられており、プラグケーシング２１は
ブレークスルー点火プラグ１５．１９上に差込み可能に
なっている。プラグケーシング２１は、２本の導線すな
わち、発信機ユニット７に接続されている導線　７′と
、蓄積コンデンサ１２に接続されている導線　１２’を
有している。゛ ブレークスループラグ１５．１９は、コンデンサ１９が
、電気スパーク（点火火花）の咲接近傍に設けられてい
る点ですぐれている。電気スパークは、ここでは中心電
極２３とアース２４との間の空隙２２で生ずる。アース
電極２４は、誘電体のプラグ絶縁体２６を取巻くシリン
ダ状金属ケーシング２５で形成されている。In the assembled state, in the advantageous embodiment the breakthrough spark plug 15,! 9 together with the ignition transformer 14 and the voltage switch 16 form a structurally integrated unit 20. In that case, for example, the ignition transformer I4 and the electronic switch 16 are mounted - as shown in FIG. 2 - in a plug casing 21 which can be plugged onto the breakthrough spark plug 15. It has become. The plug casing 21 has two conductors, a conductor 7' connected to the transmitter unit 7 and a conductor 12' connected to the storage capacitor 12. The breakthrough plug 15, 19 is distinguished by the fact that the capacitor 19 is located close to the electrical spark. An electric spark here occurs in the air gap 22 between the center electrode 23 and the ground 24. The earth electrode 24 is formed by a cylindrical metal casing 25 surrounding a dielectric plug insulator 26 .

は、プラグ絶縁体２６の長手軸線の方向に延在しており
、必要な場合には中断部すなわち前置火花ギャップ２７
を形成できる。extends in the direction of the longitudinal axis of the plug insulator 26 and, if necessary, an interruption or pre-spark gap 27
can be formed.

この前置火花ギャップ２７は、点火プラグ１５と共に、
コンデンサ１９の分路に接続されている直列回路を形成
し、所定の状況ではブレークスルー点火が改善される。This pre-spark gap 27, together with the spark plug 15,
Forming a series circuit connected to the shunt of capacitor 19, breakthrough ignition is improved in certain situations.

コンデンサ１９は、この場合、特にプラグ絶縁体に埋込
まれたシリンダ状電極２８として形成されている。内側
の電極は、中心電極２３の表面により形成され、外側の
電極は、プラグケーシング２５の導電延長部２５′とし
て形成されている。プラグ絶縁体２６上にスパッタされ
た金属電極であってもよい導電延長部２５′は、コンデ
ンサと接続されて用いられるばかりでなく、有利には、
プラグケーシング２１の中の回路装置をアースと接続す
るために用いられる。そのため、プラグケーシング２１
はプラスチック、特に有利にはたとえばポリイミドのよ
うな耐執プラス手ツケがニ虚ス湘由虚竪只シ十スことが
できる。The capacitor 19 is designed in this case, in particular, as a cylindrical electrode 28 embedded in the plug insulator. The inner electrode is formed by the surface of the central electrode 23, and the outer electrode is formed as a conductive extension 25' of the plug casing 25. The conductive extension 25', which may be a metal electrode sputtered onto the plug insulator 26, is not only used in connection with a capacitor, but also advantageously
It is used to connect the circuit device inside the plug casing 21 to earth. Therefore, the plug casing 21
Plastics, such as polyimides, are especially advantageous because they have a high resistance to corrosion and can be easily used.

もちろん、コンデンサ１９は管状の固体コンデンサまた
は巻回型コンデンサとして構成することもできる。Of course, the capacitor 19 can also be constructed as a tubular solid capacitor or a wound capacitor.

１つの２次巻線に対して多数の点火プラグを設けること
ができいわゆる静止形点火配電において時折用いられる
ように、これらの点火プラグを内燃機関の種々のシリン
ダに使用することかできる。A number of spark plugs can be provided for one secondary winding, and these spark plugs can be used in different cylinders of an internal combustion engine, as is sometimes used in so-called static ignition distribution.

電子スイッチ１６は、構造的に、変圧器Ｉ４と別個に設
けることもできる。The electronic switch 16 can also be provided structurally separate from the transformer I4.

最も簡単な場合には、電圧変換器として１つの点火コイ
ルだけが電流源ｌにつながり、その場合、点火時点に、
１次巻線中の電流がしゃ断され、その都度、スイッチ１
６のうちの１つが、この点火コイルの２次回路を変圧器
１４のうちの１つの１次巻線１７を介して閉じる。In the simplest case, only one ignition coil is connected to the current source l as a voltage converter, in which case at the time of ignition,
The current in the primary winding is interrupted, each time switch 1
6 closes the secondary circuit of this ignition coil via the primary winding 17 of one of the transformers 14.

発明の効果 本発明の点火装置においては、点火火花の持続時間が充
分であり、かつ点火エネルギーが充分に供給され、どん
な場合でも確実に燃料空気混合気が点火される。Effects of the Invention In the ignition device of the invention, the duration of the ignition spark is sufficient and the ignition energy is sufficiently supplied to ensure that the fuel-air mixture is ignited in any case.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明の点火装置のブロック回路図であり、
第２図は、本発明の点火装置で用いられる点火プラグの
１つを部分的に切断した断面図である。 １２０１、蓄積コンデンサ　　１４　、、、　　点火変
圧器　　１６．、、　　電子スイッチ　　１５．１９８
０．　　ブレークスルー点火プラグ　　２３　、、、中
心電極FIG. 1 is a block circuit diagram of the ignition device of the present invention,
FIG. 2 is a partially cutaway sectional view of one of the spark plugs used in the ignition device of the present invention. 1201, storage capacitor 14, ignition transformer 16. ,, Electronic switch 15.198
0. Breakthrough Spark Plug 23, Center electrode

Claims (1)

【特許請求の範囲】 １、１つの電圧変換器と、複数個の点火変圧器と、複数
個の電子スイッチと、複数個の点火プラグとを有し、相
応する点火時点において、点火変圧器の１次巻線のうち
のその都度１つが電子スイッチの１つを通して電圧変換
器に接続され、点火変圧器の２次巻線のうちのその都度
１つが点火プラグの少なくとも１つに点火電圧を供給す
る内燃機関用点火装置において、点火プラグとしてブレ
ークスルー点火プラグ（１５、１９）が設けられている
ことを特徴とする内燃機関用点火装置。 ２、蓄積コンデンサ（１２）が変圧器（１４）により充
電され、相応する点火時点において点火変圧器（１４）
の１次巻線（１７）のうちのその都度１つが、電子スイ
ッチ（１６）のうちの１つにより、蓄積コンデンサ（１
２）に接続され、該蓄積コンデンサ（１２）からブレー
クスルー点火プラグ（１５、１９）が点火エネルギーを
得るようにした特許請求の範囲第１項記載の内燃機関用
点火装置。[Claims] 1. A voltage converter, a plurality of ignition transformers, a plurality of electronic switches, and a plurality of ignition plugs; In each case one of the primary windings is connected to the voltage converter through one of the electronic switches, and in each case one of the secondary windings of the ignition transformer supplies the ignition voltage to at least one of the spark plugs. An ignition device for an internal combustion engine, characterized in that a breakthrough ignition plug (15, 19) is provided as the ignition plug. 2. The storage capacitor (12) is charged by the transformer (14) and at the corresponding ignition moment the ignition transformer (14)
in each case one of the primary windings (17) of the storage capacitor (1) by one of the electronic switches (16).
2) Ignition system for an internal combustion engine according to claim 1, wherein the breakthrough spark plug (15, 19) obtains ignition energy from the storage capacitor (12).
JP3312086A 1985-02-21 1986-02-19 Igniter for internal combustion engine Pending JPS61258970A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853505988 DE3505988A1 (en) 1985-02-21 1985-02-21 Ignition device intended for an internal-combustion engine
DE3505988.5 1985-02-21

Publications (1)

Publication Number Publication Date
JPS61258970A true JPS61258970A (en) 1986-11-17

Family

ID=6263129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3312086A Pending JPS61258970A (en) 1985-02-21 1986-02-19 Igniter for internal combustion engine

Country Status (2)

Country Link
JP (1) JPS61258970A (en)
DE (1) DE3505988A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120863A (en) * 1986-11-11 1988-05-25 Nippon Denso Co Ltd Ignition coil for internal combution engine
WO1993014544A1 (en) * 1992-01-06 1993-07-22 Kaname Ikeya Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator
JP2009537067A (en) * 2006-05-12 2009-10-22 エナーパルス，インク． Compound spark plug
US8672721B2 (en) 2006-07-21 2014-03-18 Enerpulse, Inc. High power discharge fuel ignitor
US9640952B2 (en) 2012-01-27 2017-05-02 Enerpulse, Inc. High power semi-surface gap plug

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3936174A1 (en) * 1989-10-31 1991-05-02 Bayerische Motoren Werke Ag CONTACTLESS IGNITION SYSTEM FOR INTERNAL COMBUSTION ENGINES
DE19829443A1 (en) * 1998-07-01 2000-01-05 Bayerische Motoren Werke Ag spark plug
DE102013211493A1 (en) * 2013-06-19 2014-12-24 Bayerische Motoren Werke Aktiengesellschaft spark plug

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120863A (en) * 1986-11-11 1988-05-25 Nippon Denso Co Ltd Ignition coil for internal combution engine
WO1993014544A1 (en) * 1992-01-06 1993-07-22 Kaname Ikeya Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator
JP2009537067A (en) * 2006-05-12 2009-10-22 エナーパルス，インク． Compound spark plug
US8922102B2 (en) 2006-05-12 2014-12-30 Enerpulse, Inc. Composite spark plug
US9287686B2 (en) 2006-05-12 2016-03-15 Enerpulse, Inc. Method of making composite spark plug with capacitor
US8672721B2 (en) 2006-07-21 2014-03-18 Enerpulse, Inc. High power discharge fuel ignitor
US9640952B2 (en) 2012-01-27 2017-05-02 Enerpulse, Inc. High power semi-surface gap plug

Also Published As

Publication number Publication date
DE3505988A1 (en) 1986-08-21

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