CN2546764Y - Bench pulse automatic ignitor circuit - Google Patents

Abstract

The utility model relates to a desktop pulse automatic igniter circuit which is composed of an oscillating circuit, a charging circuit, and a high voltage discharging circuit. The oscillating circuit produces a continuous alternating and oscillating waveform; induced voltage is produced on coils L3 and L4 of a coupler B1 of the oscillating circuit and charges an energy storage capacitor C2; when a silicon controlled rectifier 3CT is triggered, the energy storage capacitor C2 discharges by the silicon controlled rectifier 3CT and an elementary coil L5 of a boosting transformer; high voltage is produced at the two ends of secondary coil L6 of the boosting transformer; spark discharge is produced on a spark gas connected with the two ends of the secondary coil L6. Thus combustible gases are ignited and the object of lighter ignition is achieved. The desktop pulse automatic igniter circuit can be applied in desktop lighters as well as ashtrays and gifts.

Description

Desk-top pulse automatic ignitor circuit

Technical field

The utility model relates to a kind of igniter, refers to a kind of desk-top pulse automatic ignitor circuit especially, and this circuit is made up of oscillator, charging circuit and high voltage discharge circuit.

Background technology

Existing table lighter, promptly forming the table lighter that places on the desktop by support and lighter, is electronic installation igniting basically, weak point be every dozen once, produce one time electric spark, can often occur contacting fire insulation phenomenon improperly with fuel gas because of spark; Or inductive ignition, its structure is made up of 12 volts of dry cells, transformer etc., circuit is simple, utilize the charge and discharge of capacitor to produce electric spark, weak point is to change owing to the electric capacity charge and discharge are index law, makes lighting rate descend, and secondly maximum shortcoming is the necessary 12 volts of special-purpose dry cells that use, can only just can buy in brand shop, the consumer feels more inconvenience.

Summary of the invention

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of desk-top pulse automatic electric firearm circuit, a kind of electronic circuit igniter is provided, need only switch closure, can produce the electric spark of continuous impulse, to improve lighting rate, the reliability of lighter.

The purpose of this utility model can reach by following measure:

A kind of desk-top pulse automatic ignitor circuit, this circuit is made up of oscillating circuit, charging circuit and high voltage discharge circuit, and its circuit connects as follows:

Oscillating circuit: coil L1, L2 by transistor BG, capacitor C 1, resistance R 1, battery EC, K switch and coupler B1 constitute;

Charging circuit: coil L2, the L3 of coupler B1, L4 polyphone, the end points of coil L4 is connected to the coil L2 of coupler B1, the tie point of L3 by the primary coil L5 of diode D2, energy-storage capacitor C2, step-up transformer B2, and the mid point that diode D2 is connected with energy-storage capacitor C2 is connected to the coil L2 of coupler B1, the tie point of L3 by backward dioded D1;

The coil L3 of coupler B1, the tie point of L4 are connected to the coil L2 of coupler B1, the tie point of L3 by resistance R 3, forward diode D3 and capacitor C3, and the point of contact of diode D3 and capacitor C3 is connected to the trigger electrode of controllable silicon 3CT;

High voltage discharge circuit: the controllable silicon 3CT that energy-storage capacitor C2 connects by forward, the L5 coil discharge of step-up transformer B2, the secondary coil L6 of step-up transformer B2 is connected to gap.

The utility model has following advantage compared to existing technology:

1. lighting rate can reach 100%;

2. low, safe and reliable, the good insulation preformance of power consumption;

3. make the table lighter user feel more safety.

Description of drawings

Fig. 1. the schematic diagram of desk-top pulse automatic ignitor circuit.

The specific embodiment

Please refer to the schematic diagram of the desk-top pulse automatic ignitor of Fig. 1 circuit, its operation principle is as follows:

Oscillating circuit: coil L1, L2 by transistor BG, capacitor C 1, resistance R 1, battery EC, K switch and coupler B1 constitute, and after K switch is connected, produce the waveform of continuous alternation;

Charging circuit: the L3 of coupler B1, L4 are polyphone, when the L4 lower end is timing, through the primary coil L5 of diode D2, energy-storage capacitor C2, step-up transformer B2 to the tie point of the L2 of coupler B1 and L3 coil to energy-storage capacitor C2 charging, storage power in storage capacitor C2; The simultaneously L3 of coupler B1, the tie point of L4 through resistance R 3, forward diode D3, capacitor C3, to the L2 of coupler B1, the tie point of L3, form the voltage that triggers controllable silicon 3CT at capacitor C3;

High voltage discharge circuit: controllable silicon 3CT triggers, be stored in the L5 primary coil discharge of energy by controllable silicon 3CT, step-up transformer B2 on the energy-storage capacitor C2, produce nearly ten thousand volts high-voltage pulse at the secondary coil L6 of step-up transformer B2, the gap that causes secondary coil L6 to connect produces discharge.

Above process recurs, cause gap to produce the continuously sparking discharge, this desk-top pulse automatic ignitor circuit is used for table lighter, press the igniter of lighter, lighter begins to discharge automatically fuel gas, connects circuit simultaneously, produces continuous some spark on gap, the fuel gas that ignites is realized igniting; Unclamp igniter, disconnecting circuit power supply, lighter stop to discharge fuel gas, and dynamo exploder extinguishes automatically.

Claims (1)

1. desk-top pulse automatic ignitor circuit, it is characterized in that: this circuit is made up of oscillating circuit, charging circuit and high voltage discharge circuit, and its circuit connects as follows:

Oscillating circuit: coil L1, L2 by transistor BG, capacitor C 1, resistance R 1, battery EC, K switch and coupler B1 constitute;

Charging circuit: coil L2, the L3 of coupler B1, L4 polyphone, the end points of coil L4 is connected to the coil L2 of coupler B1, the tie point of L3 by the primary coil L5 of diode D2, energy-storage capacitor C2, step-up transformer B2, and the mid point that diode D2 is connected with energy-storage capacitor C2 is connected to the coil L2 of coupler B1, the tie point of L3 by backward dioded D1;

The coil L3 of coupler B1, the tie point of L4, be connected to by resistance R 3, forward diode D3 and capacitor C3 coupler B1 coil L2, L3 be connected mid point, the point of contact of diode D3 and capacitor C3 is connected to the trigger electrode of controllable silicon 3CT;

High voltage discharge circuit: the controllable silicon 3CT that energy-storage capacitor C2 connects by forward, the L5 coil discharge of step-up transformer B2, the secondary coil L6 of step-up transformer B2 is connected to gap.

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