CN2331865Y - Ignitor - Google Patents
Ignitor Download PDFInfo
- Publication number
- CN2331865Y CN2331865Y CN 98228088 CN98228088U CN2331865Y CN 2331865 Y CN2331865 Y CN 2331865Y CN 98228088 CN98228088 CN 98228088 CN 98228088 U CN98228088 U CN 98228088U CN 2331865 Y CN2331865 Y CN 2331865Y
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- winding
- emitter
- feedback
- base stage
- resistance
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Abstract
The utility model provides an ignitor. The circuit of the ignitor is a self-oscillation double-strong feedback circuit, and is composed of a basal plate single feedback circuit composed of an oscillation transistor N1, a switching transistor N2, a main winding I2, a base feedback winding I1, resistors R1 to R5, a basal plate feedback capacitor C2, a voltage boosting winding I4 and a discharge electrode, and an emitter feedback circuit composed of an emitter feedback capacitor C1 and an emitter feedback winding I3. The utility model has the advantages of easy oscillation starting, big vibration amplitude, high energy conversion efficiency, high discharge strength and high ignition reliability.
Description
The utility model relates to a kind of igniter.
Ignitor circuit of the prior art is the single feedback oscillation circuit of base stage, promptly by oscillistor, and switching transistor, main winding, base stage feedback winding, resistance, the base stage feedback capacity, boost winding and sparking electrode constitute.Sort circuit not only is difficult for starting of oscillation, and wherein oscillistor saturated, cut-off state is also unreliable, the main winding induced electromotive force is little, thus existed energy conversion rate low, the shortcoming that ignition intensity is little.
The purpose of this utility model is to overcome above-mentioned shortcoming, provide a kind of can make oscillistor saturated, by very reliable, the energy conversion efficiency height, strength of discharge is big, the high igniter of igniting reliability.
The utility model igniter is to realize like this, its circuit is the two strong feedback circuits of self-oscillation, by oscillistor N1, switching transistor N2, main winding I2, base stage feedback winding I1, resistance R 1～R5, base stage feedback capacity C2, the winding I4 that boosts, emitter stage feedback capacity C1 and emitter stage feedback winding I3 constitute.Circuit connecting relation is, circuit control end CTRL is connected with drop-down inclined to one side resistance R 5 and current-limiting resistance R4, another of R5 held ground connection in addition, the other end of R4 is connected with switching transistor N2 base stage, the N2 grounded emitter, colelctor electrode is connected with power supply VCC through resistance R 1, while connecting resistance R3 one end, another termination oscillistor of R3 N1 base stage is simultaneously through resistance R 2, base stage feedback capacity C2 connects base stage feedback winding I1 one end, and the colelctor electrode of N1 meets power supply VCC, the emitter stage of N1 connects main winding I2 one end, feed back the end of winding I3 simultaneously through emitter stage feedback capacity C1 sending and receiving emitter-base bandgap grading, the equal ground connection of the other end of I2 and I3, the winding I4 that boosts meets sparking electrode M through output lead.
The operation principle of the utility model igniter is, connects ignition power VCC, and when control end CTRL was low level, the N2 base stage was a low level, so be in cut-off state, making the N1 base stage is high level, the start-oscillation circuit starting of oscillation.Half period before vibration, because of the N1 base stage is a high level, saturation conduction induces negative just down induced electromotive force in I2, feed back to base stage through I1, C1 and R2, it is higher to make it current potential, more help the N1 saturation conduction, simultaneously, I3 is that capacitor C 1 is anti-and to charging, induced electromotive force boosts through I4 and is the forward high voltage among the I2, is forced into sparking electrode M; In the later half cycle of vibration, N1 ends, negative positive induced electromotive force down feeds back to base stage through I1, C2, R2 on inducing in I2, makes its current potential step-down, feed back to emitter stage through C1, make its current potential higher, so N1 ends more reliably, induced electromotive force boosts through I4 and is the negative sense high pressure among the I2, add to sparking electrode M, the air between the high pressure at electrode two ends just can puncture and discharging.Because the increase of two strong feedbacks makes the saturation conduction of N1 and cut-off state very reliable, and, produce extremely strong discharge spark, finish ignition function at the electrode two ends at the good square wave significantly of I4 end output.
The advantage of the utility model igniter is that circuit is simple, and easily starting of oscillation and amplitude are big, the energy conversion efficiency height, and strength of discharge is big, igniting reliability height.
Describe the utility model embodiment in detail below in conjunction with accompanying drawing.
Figure: the utility model circuit connection diagram
The utility model ignitor circuit is by oscillistor N1, switching transistor N2, and main winding I2, base stage feedback winding I1, resistance R 1～R5, base stage feedback capacity C2, the winding I4 that boosts, emitter stage feedback capacity C1 and emitter stage feedback winding I3 constitute.Circuit connecting relation is, circuit control end CTRL is connected with drop-down inclined to one side resistance R 5 and current-limiting resistance R4, another of R5 held ground connection in addition, the other end of R4 is connected with switching transistor N2 base stage, the N2 grounded emitter, colelctor electrode is connected with power supply VCC through resistance R 1, while connecting resistance R3 one end, the R3 other end is through R2, C2 connects base stage feedback winding I1 one end, the colelctor electrode of N1 meets power supply VCC, and the emitter stage of N1 connects main winding I2 one end, feeds back the end of winding I3 simultaneously through emitter stage feedback capacity C1 sending and receiving emitter-base bandgap grading, the equal ground connection of the other end of I2 and I3, the winding I4 that boosts meets sparking electrode M through output lead.
Claims (1)
1, a kind of igniter, its circuit comprises, by oscillistor N1, switching transistor N2, main winding I2, base stage feedback winding I1, resistance R 1～R5, base stage feedback capacity C2, the single feedback circuit of base stage of winding I4 and the sparking electrode M formation of boosting, it is characterized in that also comprising the emitter stage feedback circuit that constitutes by emitter stage feedback winding I3 and emitter stage feedback capacity C1, annexation is, circuit control end CTRL is connected with drop-down inclined to one side resistance R 5 and current-limiting resistance R4, the other end ground connection of R5, the other end of R4 is connected with switching transistor N2 base stage, the N2 grounded emitter, colelctor electrode is connected with power supply VCC through resistance R 1, while connecting resistance R3 one end, another termination oscillistor of R3 N1 base stage is simultaneously through resistance R 2, base stage feedback capacity C2 connects base stage feedback winding I1 one end, and the colelctor electrode of N1 meets power supply VCC, the emitter stage of N1 connects main winding I2 one end, and simultaneously through the end of emitter stage feedback capacity C1 sending and receiving emitter-base bandgap grading feedback winding I3, the equal ground connection of the other end of I2 and I3, the winding I4 that boosts meets sparking electrode M through output lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228088 CN2331865Y (en) | 1998-01-22 | 1998-01-22 | Ignitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98228088 CN2331865Y (en) | 1998-01-22 | 1998-01-22 | Ignitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2331865Y true CN2331865Y (en) | 1999-08-04 |
Family
ID=33978281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98228088 Expired - Fee Related CN2331865Y (en) | 1998-01-22 | 1998-01-22 | Ignitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2331865Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360953B (en) * | 2005-12-22 | 2010-09-29 | 丹佛斯公司 | Electronic ignition circuit and a method for operating said circuit |
-
1998
- 1998-01-22 CN CN 98228088 patent/CN2331865Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360953B (en) * | 2005-12-22 | 2010-09-29 | 丹佛斯公司 | Electronic ignition circuit and a method for operating said circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |