RU94021147A - Method and device for ignition of fuel mixture in internal combustion engine - Google Patents

Method and device for ignition of fuel mixture in internal combustion engine

Info

Publication number
RU94021147A
RU94021147A RU94021147/06A RU94021147A RU94021147A RU 94021147 A RU94021147 A RU 94021147A RU 94021147/06 A RU94021147/06 A RU 94021147/06A RU 94021147 A RU94021147 A RU 94021147A RU 94021147 A RU94021147 A RU 94021147A
Authority
RU
Russia
Prior art keywords
switch
capacitor
circuit
resistor
thyristor
Prior art date
Application number
RU94021147/06A
Other languages
Russian (ru)
Other versions
RU2056521C1 (en
Inventor
В.А. Щербатюк
Original Assignee
В.А. Щербатюк
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 В.А. Щербатюк filed Critical В.А. Щербатюк
Priority to RU94021147A priority Critical patent/RU2056521C1/en
Application granted granted Critical
Publication of RU2056521C1 publication Critical patent/RU2056521C1/en
Publication of RU94021147A publication Critical patent/RU94021147A/en

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  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

FIELD: electrical equipment of internal combustion engines. SUBSTANCE: AC voltage obtained due to oscillatory discharge of reservoir capacitor to primary winding of ignition coil is fed to electrodes of ignition plug. Commutator used for realization of this method has voltage converter 2 whose inputs are connected to storage battery 3, reservoir capacitor 4 connected to outputs of converter 2 through rectifier 5, thyristor switch 6 which consists of thyristor 7 and backward diode 8, control circuit 9 connected between input of switch 6 and ignition moment sensor 10 made in form of contact interrupter. Commutator is also provided with additional transistor switch 11 whose control input is connected with Hall microswitch 12 when commutator is used in contactless ignition system. Reservoir capacitor 4 is connected via switch 6 with primary winding 13 of ignition coil 14 and forms oscillatory circuit together with it. Thyristor switch control circuit 9 has two series RC circuits 18 and 19: first circuit consists of capacitor 20 and resistor 21 and second circuit consists of capacitor 22 and resistor 23. Connected in parallel with capacitor 20 is discharge resistor 24; discharge circuit 25 which consists of resistor 26 and diode 27 is connected between capacitor 22 and interrupter 10. Commutator has transistor switch 28 shunting input circuit of thyristor switch 6. Commutator makes it possible to produce spark discharge of required duration in spark plug reliably igniting the fuel-and-air mixture. Control circuit is easily tunable and provides for reliable turning-on and turning-off of thyristor switch. EFFECT: enhanced reliability. 2 dwg

Claims (1)

Изобретение относится к электрооборудованию двигателей внутреннего сгорания и может быть использовано на автомобилях. Сущность изобретения: на электроды свечи зажигания подают переменное напряжение, полученное за счет колебательного разряда накопительного конденсатора на первичную обмотку катушки зажигания. Коммутатор, позволяющий реализовать способ, содержит повышающий преобразователь напряжения 2, входы которого подключены к аккумуляторной батарее 3, накопительный конденсатор 4, подключенный к выходам преобразователя 2 через выпрямитель 5, тиристорный ключ 6, состоящий из тиристора 7 и обратного диода 8, схему управления 9, включенную между входом ключа 6 и датчиком 10 момента зажигания, выполненным в виде контактного прерывателя. Коммутатор также снабжен дополнительным транзисторным ключом 11, вход управления которого, в случае использования коммутатора в бесконтактной системе зажигания, соединен с микропереключателем Холла 12. Накопительный конденсатор 4 через ключ 6 соединен с первичной обмоткой 13 катушки зажигания 14 и образует с ней колебательный контур. Схема 9 управления тиристорным ключом содержит две последовательные RC-цепи 18 и 19, первая из которых состоит из конденсатора 20 и резистора 21, а вторая - из конденсатора 22 и резистора 23. Параллельно конденсатору 20 подключен разрядный резистор 24, а между конденсатором 22 и прерывателем 10 включена разрядная цепь 25, состоящая из резистора 26 и диода 27. Коммутатор также содержит транзисторный ключ 28, шунтирующий входную цепь тиристорного ключа 6. Коммутатор дает возможность получать в свече зажигания искровой разряд требуемой длительности, надежно воспламеняющий топливо-воздушную смесь. Примененная схема управления ключом легко настраивается и позволяет надежно открывать и закрывать тиристорный ключ.The invention relates to electrical equipment of internal combustion engines and can be used on cars. The essence of the invention: an alternating voltage is applied to the electrodes of the spark plug, obtained due to the oscillatory discharge of the storage capacitor to the primary winding of the ignition coil. The switch that allows you to implement the method contains a step-up voltage converter 2, the inputs of which are connected to the battery 3, a storage capacitor 4 connected to the outputs of the converter 2 through a rectifier 5, a thyristor switch 6, consisting of a thyristor 7 and a reverse diode 8, a control circuit 9, included between the input of the key 6 and the sensor 10 of the ignition moment, made in the form of a contact chopper. The switch is also equipped with an additional transistor switch 11, the control input of which, if the switch is used in a contactless ignition system, is connected to the Hall microswitch 12. The storage capacitor 4 is connected via the key 6 to the primary winding 13 of the ignition coil 14 and forms an oscillating circuit with it. The thyristor switch control circuit 9 contains two serial RC circuits 18 and 19, the first of which consists of a capacitor 20 and a resistor 21, and the second consists of a capacitor 22 and a resistor 23. A discharge resistor 24 is connected in parallel with the capacitor 20, and between the capacitor 22 and the chopper 10, a discharge circuit 25 is included, consisting of a resistor 26 and a diode 27. The switch also contains a transistor switch 28, which shunts the input circuit of the thyristor switch 6. The switch makes it possible to obtain a spark discharge of the required duration in the spark plug, reliably osplamenyayuschy fuel-air mixture. The applied key management scheme is easily configured and allows you to reliably open and close the thyristor key.
RU94021147A 1994-06-16 1994-06-16 Method of ignition of fuel mixture in internal combustion engine and its ignition system switch RU2056521C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94021147A RU2056521C1 (en) 1994-06-16 1994-06-16 Method of ignition of fuel mixture in internal combustion engine and its ignition system switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94021147A RU2056521C1 (en) 1994-06-16 1994-06-16 Method of ignition of fuel mixture in internal combustion engine and its ignition system switch

Publications (2)

Publication Number Publication Date
RU2056521C1 RU2056521C1 (en) 1996-03-20
RU94021147A true RU94021147A (en) 1996-06-20

Family

ID=20156867

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94021147A RU2056521C1 (en) 1994-06-16 1994-06-16 Method of ignition of fuel mixture in internal combustion engine and its ignition system switch

Country Status (1)

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RU (1) RU2056521C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA003162B1 (en) * 1998-11-12 2003-02-27 Интелликрэфт Лимитед Method for igniting the air-fuel mixture in an internal combustion engine

Also Published As

Publication number Publication date
RU2056521C1 (en) 1996-03-20

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