CN2454563Y

CN2454563Y - Petrol engine ignition device

Info

Publication number: CN2454563Y
Application number: CN 00221751
Authority: CN
Inventors: 屈文清
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-12
Filing date: 2000-09-12
Publication date: 2001-10-17
Anticipated expiration: 2010-09-12

Abstract

The utility model relates to a petrol engine ignition device, which belongs to the high-energy ignition device, and comprises high-voltage wires, a brute force apparatus and a display tube connected to the high-voltage wires in parallel, and an ignition coil and a distributor connected to both ends of the high-voltage wires. The brute force apparatus is composed of a housing, and a sense amplification circuit which is composed of a diode D1, a capacitance C2, and an inductive L3 connected in parallel, wherein, the diode D1, the capacitance C2, and the inductive L3 are arranged in the housing. In the sense amplification circuit, a resistor R1 and a diode D2 are connected successively in series at the front of the capacitance C2, or a diode D2 and a resistor R1 are connected successively in series at the front of the capacitance C2. The former is suitable to gasoline engines with 1-2 cylinders; the latter is suitable to gasoline engines with 3-6 cylinders. The utility model has the advantages of easy starting, small discharge amount, and long service life of spark plugs, and is oil-saving.

Description

Ignition device of gasoline engine

The utility model relates to a kind of ignition device of gasoline engine, belongs to high-energy ignitor for gasoline engine.

Spark coil directly is connected with distributor in the known ignition mechanism, thereby the spark coil output voltage directly influences the working life of distributor when unstable; When spark coil is not worked, if the distributor switch on has certain electric current in the spark coil, make distributor point produce patina, both influenced its working life, discharge current reduces, and ignition mechanism power is descended.

China utility model patent ZL99228997.1 provides above-mentioned prior art has been carried out improved ignition mechanism, this patent is isolated spark coil and distributor, powerful device and display tube are set on high voltage wire, compose in parallel induction amplification circuit (see figure 3) by diode, electric capacity, inductance in the powerful device, high-voltage pulse is passed through smoothly, and stoped the counterelectromotive force of distributor to pass through, obtained and improved ignition effectiveness, increase power, easily starting, fuel-economizing, the little effect of blowdown.But in this patent in the parallel circuit capacitor C 2 only play the induction amplification, powerful device does not play one's part to the full.

The purpose of this utility model provides a kind of aforementioned patent, easily starting, fuel-economizing, low, non-damageable ignition device of gasoline engine of spark plug of blowdown flow rate of further improving.

The utility model includes the high voltage wire be made up of damping layer, nichrome core and external insulation layer on the damping layer, be connected on spark coil and distributor that powerful device that the induction amplification circuit that is composed in parallel by shell and wherein diode D1, capacitor C 2, inductance L 3 on the high voltage wire constitutes and display tube and high voltage wire two ends are connected respectively.

In the induction amplification circuit of the diode D1 in powerful device shell, capacitor C 2, inductance L 3 parallel connections before capacitor C 2 series resistors R1 and diode D2 successively, one night, the storage battery of usefulness was not wanted leakage of electricity, voltage is low, 1 discharge amplifies for diode D2 through resistance R earlier, input capacitance C2 plays second pulse and amplifies again, belongs to the low frequency series circuit, being applicable to 1～2 cylinder gasoline engine that adopts miscella, more than is the 1st technological scheme of the present utility model.

The 2nd technological scheme of the present utility model is: in the induction amplification circuit of the diode D1 in powerful device shell, capacitor C 2, inductance L 3 parallel connections, and series diode D2 and resistance R 1 successively before capacitor C 2.Amplify, deposit electricity by diode D2 and give resistance R 1, input capacitance C2 plays second pulse and amplifies, and is the intermediate frequency series circuit, is suitable for 3～6 cylinder gasoline engines.

The utility model compared with prior art has following advantage:

1, in the induction amplification circuit of the present utility model, the resistance R 1 of before capacitor C 2, having connected successively and diode D2, electric current can not interrupt, and is deposited by resistance R 1 earlier, amplify through diode D2, be defeated by 2 discharge process of capacitor C again, when on the low side as if pulsed voltage, input voltage is big more, after second pulse amplifies, mixed gas is fully burning also, thereby fuel-economizing 20%, because fully burning, spark plug is difficult for the knot charcoal, spark plug can not puncture because of the knot charcoal produces high temperature, has prolonged the working life of spark plug, because the abundant burning of mixed gas, explosive force is also big, so easily starting, CO reduces to＞and 50, hydrocarbon content drops to about 40%.

2, in the induction amplification circuit of the present utility model, series diode D2 and resistance R 1 successively before capacitor C 2, earlier play amplification by diode D2, reduce voltage and capacitor C 2 is deposited electricity through resistance R 1 again, capacitor C 2 is not fragile, diode D2 plays on-off action, the D2 pressure drop changes along with the pulse number of diode D1, is the intermediate frequency series circuit, is applicable to 3～6 cylinder gasoline engines, have aforementioned schemes and easily start, blowdown flow rate is low, the effect same of fuel-economizing and spark plug long service life.

The explanation of accompanying drawing drawing:

Fig. 1 is the utility model the 1st technological scheme structural representation.

Fig. 2 is the utility model the 2nd technological scheme structural representation.

Fig. 3 is the prior art structural representation.

Fig. 4 is an A-A sectional view among Fig. 1,2,3.

Following the utility model will describe in detail embodiment (in conjunction with the accompanying drawings).

Embodiment's 1 the utility model includes by damping layer 6, be wound on high voltage wire 1 (see figure 4) that nichrome core 7 on the damping layer 6 and external insulation layer 8 constitute, be connected on the high voltage wire 1 by shell 2-1 and diode D1 wherein, capacitor C 2, spark coil 4 and distributor 5 that the powerful device 2 that induction amplification circuit that inductance L 3 composes in parallel constitutes and display device 3 and high voltage wire 1 two ends are connected respectively, diode D1 in powerful device shell 2-1, capacitor C 2, in the induction amplification circuit of inductance L 3 parallel connections, series resistors R1 and diode D2 (see figure 1) successively before the capacitor C 2

During enforcement, K3, K4 close a switch, storage battery power supply, pulse signal is provided for a winding of spark coil 4 by the abundant discharge of capacitor C 3, the secondary winding of spark coil 4 produces the negative high voltage pulse, and diode D1 is on state, and display tube 3 conducting under the high pressure effect is luminous, distributor 5 discharges and the action of branch cylinder also drive contact switch K1 action, and capacitor C 3 is constantly charged and discharge.The counterelectromotive force that exist in the circuit this moment is isolated by diode D1 and display tube 3, stop distributor 5 counter electromotive force currents to get back to ignition ring 4, and spark coil 4 by inductance L 3 and resistance R 1 discharge back give diode D2 again input capacitance C2 play second pulse and amplify, reach high pressure resonance accumulation of energy igniting, purposes such as easily starting, fuel-economizing.When the pulsed voltage of spark coil 4 output is on the low side, through resistance R 1 and diode D2 deposit electricity and amplification, given full play to the effect of powerful device 2, strengthened the high-voltage pulse that acts on distributor 5, to improve ignition effectiveness.The pulse voltage amplitude of powerful device 2 outputs changes along with the high, low speed of distributor 5.When display tube 3 no light beams, motor is inoperative, and indication circuit is obstructed, plays fault demonstration effect.

It only is in the induction amplification circuit that embodiment 2 compares with embodiment 1, changes the series connection of resistance R 1 and diode D2 series connection for diode D2 and resistance R 1 before the capacitor C 2, and other structures are identical.Amplify, deposit electricity through heavy-duty diode D2 earlier from the second pulse of spark coil 4, be input in the big resistance resistance R 1 again, deposit electric weight and diminish, voltage uprises, and gives the voltage of capacitor C 2 just higher, is applicable to the petrol engine of 3～6 cylinders.

Claims

1, a kind of ignition device of gasoline engine, include by damping layer [6], the high voltage wire [1] that nichrome core [7] on the damping layer [6] and external insulation layer [8] constitute, be connected on the high voltage wire [1] by shell [2-1] and diode D1 wherein, capacitor C 2, spark coil [4] and distributor [5] that the powerful device [2] that the induction amplification circuit that inductance L 3 composes in parallel constitutes is connected with display tube [3] and high voltage wire [1] two ends, it is characterized in that the diode D1 in the powerful device shell [2-1], capacitor C 2, in the induction amplification circuit of inductance L 3 parallel connections, have resistance R 1 and diode D2 before the capacitor C 2.

2, ignition device of gasoline engine according to claim 1 is characterized in that in the induction amplification circuit of diode D1, capacitor C 2 and inductance L 3 parallel connections in powerful device shell [2-1], has the resistance R 1 and the diode D2 of series connection successively before capacitor C 2.

3, ignition device of gasoline engine according to claim 1 is characterized in that having diode in series D2 and resistance R 1 successively in the induction amplification appliance of diode D1, capacitor C 2 and inductance L 3 parallel connections in powerful device shell [2-1] before capacitor C 2.