CN104405557A - Ignition monitoring circuit structure of general gasoline engine igniter - Google Patents
Ignition monitoring circuit structure of general gasoline engine igniter Download PDFInfo
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- CN104405557A CN104405557A CN201410734152.4A CN201410734152A CN104405557A CN 104405557 A CN104405557 A CN 104405557A CN 201410734152 A CN201410734152 A CN 201410734152A CN 104405557 A CN104405557 A CN 104405557A
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- resistance
- triode
- chip microcomputer
- power supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/12—Testing characteristics of the spark, ignition voltage or current
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses an ignition monitoring circuit structure of a general gasoline engine igniter. The ignition monitoring circuit structure of the general gasoline engine igniter comprises a power supply circuit connected with a 220V power supply and a PC pulse sampling circuit connected with a high-voltage discharge loop; both the power supply circuit and PC pulse sampling circuit are connected with the single chip; the output end of the single chip is connected with a loudspeaker and an indication lamp through composite tube switch circuits. The ignition monitoring circuit structure of the general gasoline engine igniter uses a hardware circuit to convert control signals output by the single chip into sound and light signals; the winding direction of the ignition coil is judged according to sampling signals, if the coil is wind oppositely, the ignition output pulse is inverted, the gathered PC pulse is inverted, and the PC pulse can reflect indication signals through the single chip after being inverted. The ignition monitoring circuit structure of the general gasoline engine igniter is simple in structure and capable of improving the ignition monitoring precision and efficiency.
Description
Technical field
the present invention relates to a kind of igniting observation circuit structure of igniter of universal petrol engine.
Background technique
Operator are when the igniting test carrying out igniter of universal petrol engine, and whether normally the conventional method that judges to light a fire judges by observing discharge spark.But because manufacturing shop environment is more noisy, the accuracy and efficiency tested all is had a greatly reduced quality.Operator in order to operator can be allowed to judge more intuitively, and whether ignition spark is normal, need to convert discharge spark to sound signal and optical signal by circuit, just can be made so more intuitively to judge the situation of ignition spark accurately.
Summary of the invention
The object of this invention is to provide a kind of igniting observation circuit structure of igniter of universal petrol engine.
To achieve these goals, by the following technical solutions: a kind of igniting observation circuit structure of igniter of universal petrol engine, is characterized in that: the igniting observation circuit structure of described igniter of universal petrol engine comprises the power circuit be connected with 220V power supply and the PC pulse sampling circuit be connected with electrion loop; Described power circuit is all connected with single-chip microcomputer with PC pulse sampling circuit; Described single-chip microcomputer output terminal also connects loudspeaker and tutorial light respectively by composite pipe switch circuit.
Described power circuit is connected with 220V power supply by the elementary of step-down transformer T1, secondary input end and the COMMON connecting bridge rectifier diode D1 respectively of step-down transformer T1; The output terminal of described bridge rectifier diode D1 connects Vin end and the GND end of three-terminal voltage-stabilizing element ZD1 respectively.Electric capacity C1 is also connected with between the VIN end of three-terminal voltage-stabilizing element ZD1 and GND end, the VOUT end of three-terminal voltage-stabilizing element ZD1 exports 15V power supply, this 15V power supply through resistance R10 current limliting, reference diode ZD2 voltage stabilizing and by electric capacity C2, electric capacity C3 and electric capacity C4 filtering after be connected to 5 ends of single-chip microcomputer U1, the i.e. vdd terminal of single-chip microcomputer U1; The VOUT end of described three-terminal voltage-stabilizing element ZD1 also connects the parallel circuit be made up of resistance R11, resistance R12 and resistance R13.
Described PC pulse sampling circuit is connected electrion loop by resistance R1, resistance R2 in parallel and gathers igniting discharge pulse with resistance R3, described ignition discharge pulse forms pressure drop through diode D2 on resistance R4, forms triode Q1 base bias, triode Q1 base stage and collector electrode shunt-wound capacitance C6 through resistance R5 current limliting at resistance R6; Resistance R7 and electric capacity C7 is parallel with respectively between the emitter and collector of triode Q1; The emitter of triode Q1 is also connected to 5V power supply by resistance R9; Base stage and the emitter of connecting triode Q2 are also distinguished in the two ends of described electric capacity C7; The collector electrode of triode Q2 is by resistance R8 to 5V power supply, and the collector electrode of triode Q2 is then communicated with 3 ends of single-chip microcomputer U1.
Described single-chip microcomputer is the single-chip microcomputer of PIC10F322 model, and 4 ends and 6 ends of this single-chip microcomputer U1 are vacant, 2 end ground connection, and 1 end connects composite pipe switch circuit, and 5 ends connect 5V power supply.
Described composite pipe switch circuit connects 1 end of single-chip microcomputer U1 by the anode of diode D3, and the base stage of the negative electrode connecting triode Q3 of diode D3, is also connected with electric capacity C8 between the anode of diode D3 and GND; Be parallel with resistance R14 and electric capacity C5 between the base stage of described triode Q3 and emitter respectively, the grounded-emitter connection of triode Q3, the collector electrode of triode Q3 connects one end of tutorial light and loudspeaker respectively.
The VOUT that the other end of described tutorial light is then connected to three-terminal voltage-stabilizing element ZD1 by current-limiting resistance R11, current-limiting resistance R12 and current-limiting resistance R13 holds current limliting; The other end of described loudspeaker directly connects the VOUT end of three-terminal voltage-stabilizing element ZD1.
The present invention adopts hardware circuit to add single-chip microcomputer to realize a function for thermal monitoring; Wherein, the PC pulse signal needed for single-chip microcomputer takes from ignition discharge loop, and power supply is provided by step-down current limliting by civil power; Hardware circuit then converts the control signal that single-chip microcomputer exports to sound and optical signal; Spark coil around to judgement then realized by sampled signal, if coil is around anti-, then igniting output pulse can be anti-phase, and the PCB pulse gathered like this is just and then anti-phase, by single-chip microcomputer after this PCB pulse is inverted, then can embody the index signal that we can intuitively see; Therefore, structure of the present invention is simple, can improve accuracy and the monitoring efficiency of some thermal monitorings.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the embodiment of the present invention;
Fig. 2 is the igniting observation circuit structural drawing of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1 to Figure 2, a kind of igniting observation circuit structure of igniter of universal petrol engine, comprises the power circuit 1 be connected with 220V power supply 7 and the PC pulse sampling circuit 2 be connected with electrion loop 8; Described power circuit 1 is all connected with single-chip microcomputer 3 with PC pulse sampling circuit 2; Described single-chip microcomputer 3 output terminal also connects loudspeaker 5 and tutorial light 6 respectively by composite pipe switch circuit 4.
Described power circuit 1 is connected with 220V power supply by the elementary of step-down transformer T1, secondary input end and the COMMON connecting bridge rectifier diode D1 respectively of step-down transformer T1; The output terminal of described bridge rectifier diode D1 connects Vin end and the GND end of three-terminal voltage-stabilizing element ZD1 respectively.Electric capacity C1 is also connected with between the VIN end of three-terminal voltage-stabilizing element ZD1 and GND end, the VOUT end of three-terminal voltage-stabilizing element ZD1 exports 15V power supply, this 15V power supply through resistance R10 current limliting, reference diode ZD2 voltage stabilizing and by electric capacity C2, electric capacity C3 and electric capacity C4 filtering after be connected to 5 ends of single-chip microcomputer U1 3, the i.e. vdd terminal of single-chip microcomputer U1 3; The VOUT end of described three-terminal voltage-stabilizing element ZD1 also connects the parallel circuit be made up of resistance R11, resistance R12 and resistance R13.
Described PC pulse sampling circuit 2 is connected electrion loop 8 by resistance R1, resistance R2 in parallel and gathers igniting discharge pulse with resistance R3, described ignition discharge pulse forms pressure drop through diode D2 on resistance R4, forms triode Q1 base bias, triode Q1 base stage and collector electrode shunt-wound capacitance C6 through resistance R5 current limliting at resistance R6; Resistance R7 and electric capacity C7 is parallel with respectively between the emitter and collector of triode Q1; The emitter of triode Q1 is also connected to 5V power supply by resistance R9; Base stage and the emitter of connecting triode Q2 are also distinguished in the two ends of described electric capacity C7; The collector electrode of triode Q2 is by resistance R8 to 5V power supply, and the collector electrode of triode Q2 is then communicated with 3 ends of single-chip microcomputer U1 3.
Described single-chip microcomputer 3 is the single-chip microcomputer of PIC10F322 model, and 4 ends and 6 ends of this single-chip microcomputer U1 3 are vacant, 2 end ground connection, and 1 end connects composite pipe switch circuit 4,5 end and connects 5V power supply.
Described composite pipe switch circuit 4 connects 1 end of single-chip microcomputer U1 3 by the anode of diode D3, and the base stage of the negative electrode connecting triode Q3 of diode D3, is also connected with electric capacity C8 between the anode of diode D3 and GND; Be parallel with resistance R14 and electric capacity C5 between the base stage of described triode Q3 and emitter respectively, the grounded-emitter connection of triode Q3, the collector electrode of triode Q3 connects one end of tutorial light 6 and loudspeaker 5 respectively.
The VOUT that the other end of described tutorial light 6 is then connected to three-terminal voltage-stabilizing element ZD1 by current-limiting resistance R11, current-limiting resistance R12 and current-limiting resistance R13 holds current limliting; The other end of described loudspeaker 5 directly connects the VOUT end of three-terminal voltage-stabilizing element ZD1.
The present invention adopts hardware circuit to add single-chip microcomputer to realize a function for thermal monitoring; Wherein, the PC pulse signal needed for single-chip microcomputer takes from ignition discharge loop, and power supply is provided by step-down current limliting by civil power; Hardware circuit then converts the control signal that single-chip microcomputer exports to sound and optical signal; Spark coil around to judgement then realized by sampled signal, if coil is around anti-, then igniting output pulse can be anti-phase, and the PCB pulse gathered like this is just and then anti-phase, by single-chip microcomputer after this PCB pulse is inverted, then can embody the index signal that we can intuitively see; Therefore, structure of the present invention is simple, can improve accuracy and the monitoring efficiency of some thermal monitorings.
Claims (7)
1. an igniting observation circuit structure for igniter of universal petrol engine, is characterized in that: the igniting observation circuit structure of described igniter of universal petrol engine comprises the power circuit be connected with 220V power supply and the PC pulse sampling circuit be connected with electrion loop; Described power circuit is all connected with single-chip microcomputer with PC pulse sampling circuit; Described single-chip microcomputer output terminal also connects loudspeaker and tutorial light respectively by composite pipe switch circuit.
2. the igniting observation circuit structure of igniter of universal petrol engine as claimed in claim 1, it is characterized in that: described power circuit is connected with 220V power supply by the elementary of step-down transformer T1, secondary input end and the COMMON connecting bridge rectifier diode D1 respectively of step-down transformer T1; The output terminal of described bridge rectifier diode D1 connects Vin end and the GND end of three-terminal voltage-stabilizing element ZD1 respectively.
3. the VIN of three-terminal voltage-stabilizing element ZD1 holds and be also connected with electric capacity C1 between GND end, the VOUT end of three-terminal voltage-stabilizing element ZD1 exports 15V power supply, this 15V power supply through resistance R10 current limliting, reference diode ZD2 voltage stabilizing and by electric capacity C2, electric capacity C3 and electric capacity C4 filtering after be connected to 5 ends of single-chip microcomputer U1, the i.e. vdd terminal of single-chip microcomputer U1; The VOUT end of described three-terminal voltage-stabilizing element ZD1 also connects the parallel circuit be made up of resistance R11, resistance R12 and resistance R13.
4. the igniting observation circuit structure of igniter of universal petrol engine as claimed in claim 1, it is characterized in that: described PC pulse sampling circuit is connected electrion loop by resistance R1, resistance R2 in parallel and gathers igniting discharge pulse with resistance R3, described ignition discharge pulse forms pressure drop through diode D2 on resistance R4, forms triode Q1 base bias, triode Q1 base stage and collector electrode shunt-wound capacitance C6 through resistance R5 current limliting at resistance R6; Resistance R7 and electric capacity C7 is parallel with respectively between the emitter and collector of triode Q1; The emitter of triode Q1 is also connected to 5V power supply by resistance R9; Base stage and the emitter of connecting triode Q2 are also distinguished in the two ends of described electric capacity C7; The collector electrode of triode Q2 is by resistance R8 to 5V power supply, and the collector electrode of triode Q2 is then communicated with 3 ends of single-chip microcomputer U1.
5. the igniting observation circuit structure of igniter of universal petrol engine as claimed in claim 1, it is characterized in that: described single-chip microcomputer is the single-chip microcomputer of PIC10F322 model, 4 ends and 6 ends of this single-chip microcomputer U1 are vacant, 2 end ground connection, 1 end connects composite pipe switch circuit, and 5 ends connect 5V power supply.
6. the igniting observation circuit structure of igniter of universal petrol engine as claimed in claim 1, it is characterized in that: described composite pipe switch circuit connects 1 end of single-chip microcomputer U1 by the anode of diode D3, the base stage of the negative electrode connecting triode Q3 of diode D3, is also connected with electric capacity C8 between the anode of diode D3 and GND; Be parallel with resistance R14 and electric capacity C5 between the base stage of described triode Q3 and emitter respectively, the grounded-emitter connection of triode Q3, the collector electrode of triode Q3 connects one end of tutorial light and loudspeaker respectively.
7. the igniting observation circuit structure of the igniter of universal petrol engine as described in claim 1 or 5, is characterized in that: the VOUT that the other end of described tutorial light is then connected to three-terminal voltage-stabilizing element ZD1 by current-limiting resistance R11, current-limiting resistance R12 and current-limiting resistance R13 holds current limliting; The other end of described loudspeaker directly connects the VOUT end of three-terminal voltage-stabilizing element ZD1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734152.4A CN104405557B (en) | 2014-12-05 | 2014-12-05 | Ignition monitoring circuit structure of general gasoline engine igniter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734152.4A CN104405557B (en) | 2014-12-05 | 2014-12-05 | Ignition monitoring circuit structure of general gasoline engine igniter |
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| CN104405557A true CN104405557A (en) | 2015-03-11 |
| CN104405557B CN104405557B (en) | 2017-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754834A (en) * | 2015-04-03 | 2015-07-01 | 航天科技控股集团股份有限公司 | Anti-interference LED pilot lamp drive circuit |
| CN111720251A (en) * | 2020-06-15 | 2020-09-29 | 深圳市健科电子有限公司 | Ignition coil monitoring device |
Citations (5)
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|---|---|---|---|---|
| US4010415A (en) * | 1975-11-26 | 1977-03-01 | Beckman Instruments, Inc. | Sweep generator for engine analyzers |
| US5767681A (en) * | 1996-09-09 | 1998-06-16 | Innova Electronics Corporation | Timing light for automotive engines |
| CN101338723A (en) * | 2008-08-28 | 2009-01-07 | 广州智维电子科技有限公司 | Intelligent type petrol engine ignition advance angle tester and its test method |
| CN203490311U (en) * | 2013-09-29 | 2014-03-19 | 无锡研奥电子科技有限公司 | Two-stage filter detection circuit |
| CN204344357U (en) * | 2014-12-05 | 2015-05-20 | 重庆瑜欣平瑞电子有限公司 | A kind of igniting observation circuit structure of igniter of universal petrol engine |
-
2014
- 2014-12-05 CN CN201410734152.4A patent/CN104405557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010415A (en) * | 1975-11-26 | 1977-03-01 | Beckman Instruments, Inc. | Sweep generator for engine analyzers |
| US5767681A (en) * | 1996-09-09 | 1998-06-16 | Innova Electronics Corporation | Timing light for automotive engines |
| CN101338723A (en) * | 2008-08-28 | 2009-01-07 | 广州智维电子科技有限公司 | Intelligent type petrol engine ignition advance angle tester and its test method |
| CN203490311U (en) * | 2013-09-29 | 2014-03-19 | 无锡研奥电子科技有限公司 | Two-stage filter detection circuit |
| CN204344357U (en) * | 2014-12-05 | 2015-05-20 | 重庆瑜欣平瑞电子有限公司 | A kind of igniting observation circuit structure of igniter of universal petrol engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754834A (en) * | 2015-04-03 | 2015-07-01 | 航天科技控股集团股份有限公司 | Anti-interference LED pilot lamp drive circuit |
| CN111720251A (en) * | 2020-06-15 | 2020-09-29 | 深圳市健科电子有限公司 | Ignition coil monitoring device |
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| Publication number | Publication date |
|---|---|
| CN104405557B (en) | 2017-02-22 |
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Address after: 401326 Chongqing Jiulongpo District West Peng Aluminum City Road No. 88 of No. 1 Patentee after: CHONGQING YUXIN PINRUI ELECTRONIC CO., LTD. Address before: 401326 Chongqing Jiulongpo District West Peng Aluminum City Road No. 88 of No. 1 Patentee before: Chongqing Yuxin Pingrui Electronic Co., Ltd. |
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Address after: 401329 the Jiulongpo District of Chongqing Municipality Gu Zhen Han Road Patentee after: CHONGQING YUXIN PINRUI ELECTRONIC CO., LTD. Address before: 401326 Chongqing Jiulongpo District West Peng Aluminum City Road No. 88 of No. 1 Patentee before: CHONGQING YUXIN PINRUI ELECTRONIC CO., LTD. |