CN2370180Y - Silicon control distributing ignitor for automobile - Google Patents

Abstract

The utility model relates to a silicon-controlled power distributing ignition device for an automobile, which is composed of a power distribution controller, a timing sensor for ignition and a combined ignition coil, a power distribution control circuit is composed of a switching power supply, an energy storing circuit, a silicon-controlled triggering circuit, an input circuit and an output circuit, wherein, energy can be stored in the energy storing circuit when a power supply is switched on for working, the input circuit triggers corresponding controlled silicon to conduct when a timing signal in a path of the ignition device is input by the sensor, an energy storing capacitor can generate high voltage on an ignition coil to automatically ignite in divided cylinders. The device has the advantages of good output waveform, high ignition energy, high intensity, stable operation, high speed of gasoline combustion, the power of an engine is increased, and the exhaust of harmful gases is reduced.

Description

Automobile divides electric ignition device with controllable silicon

The utility model relates to a kind of automobile and divides electric ignition device with controllable silicon.

Domestic automobile mostly adopts traditional electronic ignitin system at present, promptly belong to this class device as No. 95201088.7 " automobile contactless electronic ignition device " patents, though this class device performance increases, it is more stable to work, but operating current is big, and ignition energy there is no obvious raising, when high engine speeds turns round, ignition intensity obviously descends, thereby has influenced engine power; Domestic automobile is with dividing electric electronic ignitin system ubiquity split fire head and the easy punch through damage of distributor cap in addition, divide electrical angle not smart defective, the distributor electric leakage of making moist easily takes place under the environment of high humidity, the electrion pyrophoric behavio(u)r is arranged during distributor work, ignite inflammable gas easily, produce electromagnetic interference simultaneously, the high voltage electric energy loss seriously reduces ignition energy during the high engine speeds running.

The purpose of this utility model is to overcome many defectives that above-mentioned electronic ignition device exists, providing a kind of is better than existing electronics and divides electric system, the output wave mode is good, ignition energy is big, intensity is high, and gasoline combustion speed is fast, and the automobile that can improve engine power divides electric ignition device with controllable silicon.

The utility model adopts the thyristors and capacitors discharge type to divide circuit, replaced traditional distributor (comprise and cancelled split fire head and distributor cap), directly high-tension electricity is linked to each other with spark plug, promptly directly give spark plug the high-tension electricity of high-pressure modular generation and light a fire.This minute electric controller electric routing switch power supply, accumulator, thyristor gating circuit and imput output circuit constitute, behind the power connection, switch power is started working, and energy storage in accumulator, when sensor is imported a certain road ignition timing signal, trigger corresponding controllable silicon conducting by input circlult, storage capacitor produces high pressure to the combined spot fire coil, realizes dividing automatically the cylinder igniting.The utility model ignition mechanism mainly is made up of switch power part, ignition timing sensor and input part, triggering and double loop output and combined type spark coil, it is characterized in that the switching tube BG of switch power ₁, BG ₂Base stage respectively with coupling coil L ₃Capacitor C ₄Diode D ₁Capacitor C ₃And coupling coil L ₄, capacitor C ₅, C ₆, diode D ₂Serial connection, switching tube BG ₁, BG ₂Collector electrode by inductance coil L ₁, L ₂Meet the elementary B of transformer B ₁, B ₁Connect positive source, transformer secondary output B by choking coil L ₂, B ₃Respectively with diode D ₃, D ₄Capacitor C ₇, C ₈And diode D ₅, D ₆, capacitor C ₉, C ₁₀Be connected to form voltage doubling rectifying circuit, and connect controllable silicon T respectively ₁Resistance R ₂X ₁End and controllable silicon T ₂, resistance R ₃X ₂End, X ₁, X ₂The other end connect triode BG respectively ₃, diode D ₉And triode BG ₄, diode D ₁₀, BG ₁, BG ₂Grounded-emitter connection, BG ₃, D ₉, R ₂And triode BG ₄, diode D ₁₀, resistance R ₃Respectively by spark coil GY _1-4, GY _2-3Elementary and capacitor C ₁₅, C ₁₆Constitute two road charge circuits, BG ₃, BG ₄Base stage connect diode D respectively ₇, D ₁₁, sensor HR ₁, HR ₂Pass through resistance R respectively ₆, R ₇Connect triode BG ₆, BG ₇Base stage, by triode BG ₅, BG ₈, resistance R ₄, R ₉Constitute and trigger the loop.

The utility model is compared with existing similar ignition mechanism has following advantage:

1, the capacitor discharge type of this device employing divides circuit to be better than existing electronics and divides electric system, and the output wave mode is good, and ignition energy is big, intensity is high, and gasoline combustion speed is fast, and the efficient height has improved engine power greatly, has reduced noxious gas emission;

2, owing to adopt capacitive discharge ignition, the weight and volume of high-tension coil has been realized miniaturization, and its weight is 1/10 of conventional point fire coil, and fabricating cost is 1/5 of an existing spark coil, and working stability is reliable, and is easy for installation;

3, owing to cancelled discharge devices such as split fire head and distributor cap, strengthened the fire prevention and the water-proof performance of automobile.

Doing one below by accompanying drawing in conjunction with embodiment of the present utility model describes.

Fig. 1 is a device wiring diagram of the present utility model.

Fig. 2 for the utility model divide electric controller circuit theory diagrams.

Referring to Fig. 1, ignition timing sensor HR of the present utility model is by two groups of positive and negative hall sensor HR that install mutually ₁, HR ₂Form with the bipolar magnet steel rotor of NS, when a certain cylinder of motor is in compression stroke, piston is during near top dead center, and corresponding magnetic steel ingot is just in time near corresponding elements HR ₁Or HR ₂, promptly produce a low level signal at the output terminal of element, press ignition timing, trigger circuit produce fire signal.The combined type spark coil is bipolar discharge type spark coil group, this coil groups is packaged in the housing of band high pressure pole, each pole is connected with corresponding cylinder spark plug by sequence number, the low-voltage lead of coil is connected with the low voltage line A end that divides electric controller, the B end connects power supply, C termination bonding, D termination ignition timing sensor HR.

The utility model can replace existing automobile igniter, the replacing installation method is: former car ignition system complete removal, at former distributor location ignition timing sensor and combined spot fire coil are installed, look for an appropriate location to install and divide electric controller, after connecting the power initiation motor, rotate timing sensor and adjust ignition advance angle, sensor is fixed getting final product at last.

Referring to Fig. 2, the switching tube BG of switch power ₁BG ₂Base stage respectively with coupling coil L ₃, capacitor C ₄, diode D, capacitor C ₃And coupling coil L ₄, capacitor C ₅, diode D ₂, capacitor C ₆Serial connection, BG ₁, BG ₂Collector electrode respectively by inductance coil L ₁, L ₂Meet the elementary B of transformer B ₁, B ₁Centre cap be connected the secondary B of transformer with positive source by choking coil L ₂, B ₃Respectively with diode D ₃, D ₄Capacitor C ₇, C ₈And diode D ₅, D ₆, capacitor C ₉, C ₁₀Be connected BG ₁, BG ₂Grounded-emitter connection, power supply enters switching circuit and starts working through choking coil L, by the secondary B of transformer B ₂, B ₃The output square-wave voltage, secondary B ₂With diode D ₃, D ₄Capacitor C ₇, C ₈Form voltage doubling rectifying circuit, and connect controllable silicon T ₁And resistance R ₂X ₁End, X ₁Another termination triode BG ₃, diode D ₉, be spark coil GY _1-4, discharge capacity C ₁₅Energy is provided; Other is secondary B ₃With D ₅, D ₆, C ₉, C ₁₀Form other road voltage doubling rectifying circuit, and connect T ₂And resistance R ₃X ₂End, X ₂Another termination triode BG ₄, diode D ₁₀, be spark coil GY _2-3Discharge capacity C ₁₆Provide energy, triode BG ₃Diode D ₉Resistance R ₂By high-voltage ignition coil GY _1-4Elementary and capacitor C ₁₅Constitute charge circuit, BG ₄, D ₁₀, R ₂By coil GY _2-3Elementary and capacitor C ₁₆Constitute the second road charge circuit, BG ₃, BG ₄Base stage connect diode D respectively ₇, D ₁₁Sensor HR ₁, HR ₂Pass through resistance R ₆, R ₇Connect triode BG ₆, BG ₇Base stage.HR ₁Resistance R ₆Detect 1 cylinder and 4 cylinder ignition timing angles, signal is by triode BG ₆The base stage input; HR ₂Resistance R ₇Detect the ignition timing angle of 2 cylinders and 3 cylinders, signal is by BG ₇Base stage input, by triode BG ₅, BG ₈, resistance R ₄, R ₉Constitute and trigger the loop.When engine running, magnet steel among the ignition timing sensor HR wheel S utmost point is not near sensor HR ₁The time, BG5 ends, capacitor C ₇Pass through R ₄, capacitor C ₁₇, BG ₃Base stage emission charging makes BG ₃Conducting is by diode D ₉Resistance R ₂Coil GY _1-4Secondary be capacitor C ₁₅Charging; When magnet steel is taken turns S extremely near sensor HR ₁, HR ₁The output low level signal, BG ₆End BG ₅Conducting, capacitor C ₁Through D ₈Controllable silicon T ₁Control is discharge over the ground, triggers controllable silicon T ₁Conducting simultaneously, C ₁₅By coil GY _1-4Elementary discharge is at the secondary G of high-field electrode ₁, G ₄Two ends induction high pressure is directly to 1 cylinder and 4 cylinder spark plug discharge ignitings, when magnet steel is taken turns N extremely near sensor HR ₂The time, by BG ₇, BG ₈, resistance R ₇, R ₈, diode D ₉And R ₃, diode D ₁₀, BG ₄, diode D ₁₁, D ₁₂, GY _2-3, T ₂The charging and discharging circuit that constitutes is at high-field electrode G ₂, G ₃Output high pressure in two ends is lighted a fire to 2 cylinders and 3 cylinders by spark plug.

The utility model element name code mark is as follows:

BG ₁～BG ₈Triode

D ₁～D ₁₂Diode C ₁～C ₁₈Electric capacity R ₁～R ₉Resistance B transformer, B primary, B ₂, B ₃Transformer secondary output L choking coil, L ₁～L ₄Coupling coil GY _1-4, GY _2-3Spark coil HR ignition timing sensor, HR ₁, HR ₂Hall sensor T ₁, T ₂Thyristor G ₁～G ₄High-field electrode

Claims (2)

1, automobile divides electric ignition device with controllable silicon, mainly is made up of switch power part, ignition timing sensor and input part, triggering and double loop output and combined type spark coil, it is characterized in that the switching tube BG of switch power ₁, BG ₂Base stage respectively with coupling coil L ₃Capacitor C ₄Diode D ₁Capacitor C ₃And L ₄, C ₅, D ₂, C ₆Serial connection, BG ₁, BG ₂Collector electrode by inductance coil L ₁, L ₂Meet the elementary B of transformer B ₁, B ₁Connect positive source, transformer secondary output B by choking coil L ₂, B ₃Respectively with diode D ₃, D ₄Capacitor C ₇, C ₈And diode D ₅, D ₆, capacitor C ₉, C ₁₀Be connected to form voltage doubling rectifying circuit, and connect controllable silicon T respectively ₁Resistance R ₂X ₁End and controllable silicon T ₂, resistance R ₃X ₂End, X ₁, X ₂The other end connect triode BG respectively ₃, diode D ₉And triode BG ₄, diode D ₁₀, BG ₁, BG ₂Grounded-emitter connection, BG ₃, D ₉, R ₂And BG ₄, D ₁₀, R ₃Respectively by spark coil GY _1-4, GY _2-3Elementary and capacitor C ₁₅, C ₁₆Constitute two road charge circuits, BG ₃, BG ₄Base stage connect diode D respectively ₇, D ₁₁, sensor HR ₁, HR ₂Pass through resistance R respectively ₆, R ₇Connect triode BG ₆, BG ₇Base stage, by triode BG ₅, BG ₈, resistance R ₄, R ₉Constitute and trigger the loop.

2, according to the described ignition mechanism of claim 1, it is characterized in that said spark coil is bipolar discharge type spark coil group, this coil groups is packaged in the housing of band high pressure pole, each pole is connected with corresponding cylinder spark plug by sequence number, and the low-voltage lead of coil is connected with the low voltage line A end that divides electric controller.

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