Device electronic ignition internal combustion engine

 

(57) Abstract:

The invention relates to electrical equipment for internal combustion engines and is designed to ignite the mixture in the cylinders. The stability of the energy of the spark discharge and reliability sparking in a wide range of temperatures is achieved in that the device containing the sensor input signal and connected in series voltage Converter, a storage device, the switching device and the ignition coil unit forming a control signal of the ignition switch, is connected by its output to the input switching device, the circuit input signal, connected between the input sensor and the processing unit of the control signal ignition scheme for providing oscillatory process through which the storage device recharges current inductance of the ignition coil, and a scheme for making the time consuming process of oscillation, equipped with a circuit for stabilizing the output voltage and the stabilization scheme run at ambient temperature from -60oC to +125oC associated with the voltage Converter, and a scheme for providing time consuming process fluctuations included especial stability energy of the spark discharge and reliability sparking. 1 Il.

The invention relates to the field of engineering, namely, devices electronic ignition internal combustion engine.

It is known device electronic ignition internal combustion engine, containing the sensor input signal and connected in series voltage Converter, a storage device, the switching device and the ignition coil unit forming a control signal of the ignition switch, is connected by its output to the input switching device, the circuit input signal, connected between the input sensor and the processing unit of the control signal ignition scheme for providing oscillatory process through which the storage device recharges current inductance of the ignition coil, and a scheme for making the time consuming process fluctuations (see RF patent N 2056521, IPC 6 F 02 P 3/08, 1994).

A disadvantage of the known device electronic ignition engine is:

1) the instability of the energy of the spark discharge;

2) lack of reliability sparking in a wide range of ambient temperatures.

The basis of the invention is the creation of ustii spark discharge and increased reliability sparking in a wide range of ambient temperatures.

The problem is solved in that the proposed device electronic ignition internal combustion engine, containing the sensor input signal and connected in series voltage Converter, a storage device, the switching device and the ignition coil unit forming a control signal of the ignition switch, is connected by its output to the input switching device, the circuit input signal, connected between the input sensor and the processing unit of the control signal ignition scheme for providing oscillatory process through which the storage device recharges current inductance of the ignition coil, and a scheme for making the time consuming process of oscillation, the distinctive feature of which is the introduction of more schemes for stabilizing the output voltage and stabilisation schemes run at ambient temperature from -60oC to +125oC associated with the voltage Converter, and a scheme for providing the time consuming process of oscillation is enabled between the acquisition unit and the input block form the control signal of the ignition.

The proposed electronic device zagig output voltage and circuit stabilization start when the ambient temperature from -60oC to +125oC associated with the voltage Converter, and a scheme for providing the time consuming process of oscillation is enabled between the acquisition unit and the input block form the control signal of the ignition.

The drawing shows a diagram of the proposed device electronic ignition internal combustion engine, where:

1 - sensor input;

2 - circuit input;

3 is a block form the control signal ignition;

4 - switching device;

5 - storage device;

6 - voltage Converter;

7 - ignition coil;

8 is a scheme for providing time consuming process fluctuations;

9 is a diagram of output voltage stabilization;

10 is a diagram of the temperature control run;

11 is a diagram providing an oscillatory process.

The proposed device electronic ignition internal combustion engine works in the following way. When the supply voltage at the device is running the voltage Converter (6) through a scheme of temperature stabilization run (10), providing a reliable starting at temperatures in the range from -60

The signal from the sensor input signal (1) through the circuit input signal (2) entered in block form the control signal ignition (3), was formed and launched a switching device (4) that (7) has cleared the storage device (5) on the ignition coil (7). After discharge storage device (5) switching device (4) is locked, and the ignition coil (7) there is a current inductance. Storage device (5) recharges via a scheme providing oscillatory process current inductance of the ignition coil (7). The voltage from the storage device (5) enters into a scheme of providing time consuming process fluctuations (8), which generates a signal in block form the control signal ignition (3), and that, in turn, produces a control signal to the switching device (4) and oscillatory process is repeated with the amplitude corresponding to the level of recharge storage device (5).

When the level of cumulative recharge device (5) following the visit. Oscillatory process is terminated. Is pumping (charging) storage device from the Converter (6) and the process is repeated in the issuance of a new signal from the sensor input signal (1).

As shown by our experimental studies of the proposed device electronic ignition internal combustion engine is ensured reliability sparking in a wide temperature range and stability energy of the spark discharge. Oscillatory process during the spark discharge is terminated when the level of recharge storage device is below a threshold.

Device electronic ignition internal combustion engine, containing the sensor input signal and connected in series voltage Converter, a storage device, the switching device and the ignition coil unit forming a control signal of the ignition switch, is connected by its output to the input switching device, the circuit input signal, connected between the input sensor and the processing unit of the control signal ignition scheme for providing oscillatory process through which cumulative ustroili, characterized in that it is provided with a circuit for stabilizing the output voltage and the stabilization scheme run at ambient temperature from -60oC to +125oWith associated with the voltage Converter, and a scheme for providing the time consuming process of oscillation is enabled between the acquisition unit and the input block form the control signal of the ignition.

 

Same patents:

The invention relates to the field of electrical engineering and can be used to store electric energy large energy consumption in stand-alone power supply systems

The invention relates to electrical vehicles

The invention relates to electrical equipment for internal combustion engines and can be used in systems electric start and spark plugs

The invention relates to ignition devices for internal combustion engines, in particular to electronic capacitor devices with pulse energy accumulation

The invention relates to ignition systems for internal combustion engines, in particular to the blocks electronic ignition suitable for use in such systems

FIELD: transport engineering; electronic ignition system.

SUBSTANCE: invention relates to electronic ignition systems with capacitive energy storages. According to invention, multispark electronic ignition is provided by device containing electric breaker contacts, inductance coil, variator, self-excited oscillator built around bipolar transmistor, rectifier energy storage, diode and thyristor switches, thyristor switch control circuit and starting circuit and contact chatter protection circuit. At supply of car system voltage, self-excited oscillator is started and attains self-oscillation mode of operation. Voltage within the limits of 390 V is removed from secondary winding of self-excited oscillator and through rectifier said voltage charges capacitive storage. Diode and thyristor switches provide oscillatory process of discharging of energy storage through primary winding of inductance coil, and spark forming oscillating voltage is obtained at secondary winding.

EFFECT: provision of reliable sparking at changes of supply voltage within wide range, provision of multispark operation owing to multiperiod oscillatory discharge of reservoir capacitor.

3 cl, 1 dwg

FIELD: technology for producing electric equipment used in aircrafts, in particular ignition device of aviation gas-turbine engines and liquid rocket engines, possible use for manufacturing products with usage of foamed plastics facing increased heat resistance and heat requirements.

SUBSTANCE: during production of electric equipment encased in packed or sealed cover, internal hollow of electric equipment cover is filled with fine-dispersed foamed plastic powder, cover is aged under increased temperature during the time, sufficient for foaming and solidification of foamed plastic, cover with electric equipment elements and solidified foamed plastic located within is cooled down, packed or sealed with installation of structural lid. In accordance to invention, cover with foamed plastic is aged at increased temperature and then cooled down, both under excessive pressure of gaseous substance surrounding the cover being heated.

EFFECT: increased heat resistance and strength of electric equipment encased in packed or sealed cover.

1 dwg

FIELD: transport.

SUBSTANCE: invention relates to field of transport and can be used for combustible mixtures ignition by means of electric spark, in particular in capacitive ignition systems for ignition system control, installed on aircraft engine, for ignition system technical condition evaluation in intervals between aircraft engines start-ups. Aircraft engines capacitive ignition system control device includes discharge current sensor, comparator, discharge current amplitude voltage check value setting device, time interval meter, actuator. Discharge current sensor output is connected to comparator first input, discharge current amplitude voltage check value setting device output is connected to comparator second input. Time interval meter output is connected to actuator. Control device additionally includes ambient environment pressure measuring transducer, containing serially connected ambient environment pressure sensor, amplifier, ambient environment pressure control voltage setting device, second comparator, univibrator, logical device "AND". Ambient environment pressure measuring transducer output is connected to second comparator first input. Ambient environment pressure control voltage setting device output is connected to second comparator second input, comparator output is connected to univibrator input, which output and second comparator output is connected to logical device "AND", by output connected to time interval meter input.

EFFECT: technical result is increasing of aircraft engines capacitive ignition system serviceability control reliability.

1 cl, 1 dwg

Up!