CN214120139U

CN214120139U - Narrow pulse discharge igniter control circuit

Info

Publication number: CN214120139U
Application number: CN202021173550.0U
Authority: CN
Inventors: 王后双; 丁迪松; 钱志鸿
Original assignee: Cixi Time Electricity Co ltd
Current assignee: Cixi Time Electricity Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-09-03
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to a gas cooking utensils point firearm, especially a narrow pulse discharge some firearm control circuit. A narrow pulse igniter control circuit comprises an A self-oscillation boosting module and a B high-voltage boosting triggering discharge module, wherein a CN1 input interface is connected with the positive electrode of the A self-oscillation boosting module and is added to one end of a coil of an E1 transformer, the negative electrode of the A self-oscillation boosting module is added with an emitter of a Q1 triode, the current of the positive electrode is connected to a collector of a Q1 triode through two coils of the E1 transformer in one way, the other way of the current of the positive electrode is connected to a Q1 base electrode through an R1 current-limiting resistor, the Q1 triode works in a switching state, the E1 transformer, the Q1 triode and the R1 resistor form a self-oscillation circuit, and the self-oscillation circuit boosts direct-current voltage to AC150V and is added to the high-voltage boosting discharge module through an E1 secondary electrode; and B, a high-voltage boosting discharging module. The utility model discloses an useful part: meets the safety requirement in the national standard GB 4706.94.

Description

Narrow pulse discharge igniter control circuit

Technical Field

The utility model relates to a gas cooking utensils point firearm, especially a narrow pulse discharge some firearm control circuit.

Background

The existing products have high-voltage discharge pulse duration longer than 0.1mS, and are applied to domestic gas cookers and do not meet the national standard GB4706.94 safety requirements.

Disclosure of Invention

In order to solve the technical problem that the above-mentioned national standard GB4706.94 safety requirement that is not conform to, the utility model provides a narrow pulse discharge igniter control circuit.

The technical scheme of the utility model as follows:

a narrow pulse igniter control circuit comprises an A self-oscillation boosting module and a B high-voltage boosting triggering discharge module, wherein a CN1 input interface is connected with the positive electrode of the A self-oscillation boosting module and is added to one end of a coil of an E1 transformer, the negative electrode of the A self-oscillation boosting module is added with an emitter of a Q1 triode, the current of the positive electrode is connected to a collector of a Q1 triode through two coils of the E1 transformer in one way, the other way of the current of the positive electrode is connected to a Q1 base electrode through an R1 current-limiting resistor, the Q1 triode works in a switching state, the E1 transformer, the Q1 triode and the R1 resistor form a self-oscillation circuit, and the self-oscillation circuit boosts direct-current voltage to AC150V and is added to the high-voltage boosting discharge module through an E1 secondary electrode; b, a high-voltage boosting discharging module: the D1 rectifier diode rectifies AC150 into DC150V, 150V direct current charges the C1 capacitor for a certain time, when the voltage across the capacitor exceeds the discharge voltage of the M1 high-voltage trigger tube, the M1 high-voltage trigger tube breaks down reversely, and the C1 capacitor forms a loop through the M1 and the E2 transformer primary coil to discharge.

Use the technical scheme of the utility model, novel structure, circuit module electricity is connected in proper order: a self-excited oscillation boosting module converts direct current voltage into 150V alternating current, is connected to a B high-voltage boosting triggering discharge module, charges an energy storage capacitor after rectification, when the voltage reaches the triggering voltage of a triggering tube, the triggering tube is in short circuit, the voltage of the energy storage capacitor forms a loop discharge through the triggering tube and the primary side of an E2 transformer, because the primary coil of the E2 transformer belongs to an inductor, the current cannot suddenly change, the flowing current is boosted through the E2 transformer to become 15000V high voltage, the high voltage is discharged at the space of 5mm between the two secondary ends of the E2, when the current at the two ends of the E2 is discharged, the two ends can generate an electromotive force with the polarity opposite to the charging polarity of the C1 capacitor, the electromotive force is discharged and consumed to the ground through a D2 freewheeling diode, in application, particularly in gas stove application, the safety requirement in national standard GB4706.94 is met, M1 is a triggering tube, and is automatically triggered when the voltage rises to the triggering voltage of a pulse igniter circuit, the circuit is simple, namely the price is higher.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Examples

As shown in fig. 1, a narrow pulse igniter control circuit includes a self-oscillation boosting module a, a high-voltage boosting triggering discharging module B, a CN1 input interface, and a self-oscillation boosting module a: the voltage boosting and discharging circuit is formed by connecting an E1 transformer, an R1 resistor and a Q1 triode in series, when voltage is applied to a self-oscillation boosting module, current passes through two windings of the E1 transformer and respectively flows through a base electrode and a collector electrode of Q1, the current of the inductor cannot change suddenly due to the fact that the windings of the transformer belong to the inductor, the Q1 triode works in a switching state, the E1 transformer, the Q1 triode and the R1 resistor form a self-oscillation circuit, and the self-oscillation circuit boosts 12V voltage to AC150V and applies the voltage to the high-voltage boosting and discharging module through an E1 secondary; b, a high-voltage boosting discharging module: the D1 rectifier diode rectifies AC150 into DC150V, 150V direct current charges a C1 capacitor, the voltage at two ends of the capacitor cannot change suddenly, the charging takes a certain time, when the voltage at two ends of the capacitor exceeds the discharging voltage of the M1 high-voltage trigger tube, the M1 high-voltage trigger tube breaks down reversely, and the C1 capacitor forms a loop through the primary coils of the M1 and E2 transformers to discharge.

When in use, the CN1 input interface is connected with the positive pole of the A self-oscillation boosting module and is added to one end of a coil of an E1 transformer, the negative pole is added with the emitter of a Q1 triode, the current of the positive pole is connected to the collector of a Q1 triode through two coils of the E1 transformer, the other way is connected to a Q1 base through an R1 current-limiting resistor, because the winding of the transformer belongs to an inductor, the current of the inductor can not change suddenly, the Q1 triode works in a switching state, the E1 transformer, the Q1 triode and the R1 resistor form a self-oscillation circuit, the self-oscillation circuit raises the direct current voltage to AC150V and is added to the high-voltage boosting discharge module through a secondary pole of the E1, because the primary coil of the E2 transformer belongs to the inductor, the current can not change suddenly, the flowing current is boosted to 15000V high voltage through the E2 transformer, the high voltage is discharged at the space between two ends of the secondary pole of the E2, when the current at two ends of the E2 is discharged, an electromotive force with the opposite polarity to the charging polarity of the capacitor C1 is generated at the two ends and is consumed by the earth leakage of the D2 freewheeling diode.

It should be understood that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention

The novel technical solution, as will be apparent to those skilled in the art, can be based on the spirit and principles of the present invention

Additions, substitutions, transformations, or modifications to the foregoing description, and all such additions, substitutions, transformations, or modifications

The protection scope of the appended claims should be construed to cover all such modifications.

Claims

1. A narrow pulse discharge igniter control circuit, characterized by: the high-voltage boost discharging device comprises an A self-oscillation boost module and a B high-voltage boost triggering discharging module, wherein a CN1 input interface is connected with the positive electrode of the A self-oscillation boost module and is added to one end of a coil of an E1 transformer, the negative electrode of the A self-oscillation boost module is added with an emitter of a Q1 triode, the current of the positive electrode is connected to a collector of a Q1 triode through one path of two coils of the E1 transformer, the other path of the current of the positive electrode is connected to a Q1 base electrode through an R1 current-limiting resistor, the Q1 triode works in a switching state, the E1 transformer, the Q1 triode and the R1 resistor form a self-oscillation circuit, and the self-oscillation circuit raises the direct-current voltage to AC150V and adds the direct-current voltage to the high-voltage boost discharging module through an E1 secondary stage; b, a high-voltage boosting discharging module: the D1 rectifier diode rectifies AC150 into DC150V, 150V direct current charges the C1 capacitor for a certain time, when the voltage across the capacitor exceeds the discharge voltage of the M1 high-voltage trigger tube, the M1 high-voltage trigger tube breaks down reversely, and the C1 capacitor forms a loop through the M1 and the E2 transformer primary coil to discharge.