CN104405557B - 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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- CN104405557B CN104405557B CN201410734152.4A CN201410734152A CN104405557B CN 104405557 B CN104405557 B CN 104405557B CN 201410734152 A CN201410734152 A CN 201410734152A CN 104405557 B CN104405557 B CN 104405557B
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- 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 technology
When the igniting carrying out igniter of universal petrol engine is tested, routine judges the whether normal method of igniting to operator
It is to be judged by observing discharge spark.But because workshop environment more noisy so that test accuracy and efficiency all
Have a greatly reduced quality.In order to be able to allow operator more intuitively judge that pilot spark is whether normal, need discharge spark by circuit
It is converted into acoustical signal and optical signal, operator so just can be made more intuitively accurately to judge the situation of pilot spark.
Content of the invention
It is an object of the invention to provide a kind of igniting observation circuit structure of igniter of universal petrol engine.
To achieve these goals, employ the following technical solutions：A kind of igniting observation circuit of igniter of universal petrol engine
Structure it is characterised in that：The igniting observation circuit structure of described igniter of universal petrol engine includes the electricity being connected with 220V power supply
Source circuit and the PC pulse sampling circuit being connected with electrion loop；Described power circuit and PC pulse sampling circuit all with single
Piece machine is connected；Described single-chip microcomputer output connects speaker and display lamp respectively also by composite pipe switch circuit.
Described power circuit is connected with 220V power supply by the primary of step-down transformer T1, the secondary of step-down transformer T1
Connect input and the common of bridge rectifier diode D1 respectively；The outfan of described bridge rectifier diode D1 connects respectively
Connect Vin end and the GND end of three-terminal voltage-stabilizing element ZD1.It is also associated with electricity between the VIN end of three-terminal voltage-stabilizing element ZD1 and GND end
Hold C1, the VOUT end output 15V power supply of three-terminal voltage-stabilizing element ZD1, this 15V power supply is through resistance R10 current limliting, Zener diode
ZD2 voltage stabilizing is simultaneously connected to 5 ends of single-chip microcomputer U1, the i.e. VDD of single-chip microcomputer U1 after electric capacity C2, electric capacity C3 and electric capacity C4 filter
End；The VOUT end of described three-terminal voltage-stabilizing element ZD1 is also connected with the parallel circuit being made up of resistance R11, resistance R12 and resistance R13.
Described PC pulse sampling circuit resistance R1, resistance R2 in parallel and resistance R3 connect the collection of electrion loop
Ignition discharge pulse, described ignition discharge pulse forms pressure drop through diode D2 on resistance R4, through resistance R5 current limliting in resistance
R6 forms audion Q1 base bias, audion Q1 base stage and colelctor electrode shunt-wound capacitance C6；The emitter stage of audion Q1 and current collection
It is parallel with resistance R7 and electric capacity C7 respectively between pole；The emitter stage of audion Q1 is connected to 5V power supply also by resistance R9；Described
The two ends of electric capacity C7 are also respectively connected with base stage and the emitter stage of audion Q2；The colelctor electrode of audion Q2 passes through resistance R8 to 5V electricity
Source, the colelctor electrode of audion Q2 is then connected with 3 ends of single-chip microcomputer U1.
Described single-chip microcomputer is the single-chip microcomputer of PIC10F322 model, and 4 ends of this single-chip microcomputer U1 and 6 ends are vacant, 2 end ground connection, 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, the negative electrode of diode D3 by the anode of diode D3
The base stage of connecting triode Q3, is also associated with electric capacity C8 between the anode of diode D3 and GND；The base stage of described audion Q3 and
It is parallel with resistance R14 and electric capacity C5, the grounded emitter of audion Q3 respectively, the colelctor electrode of audion Q3 is respectively between emitter stage
Connect one end of display lamp and speaker.
The other end of described display lamp is then connected to three by current-limiting resistance R11, current-limiting resistance R12 and current-limiting resistance R13
The VOUT end current limliting of end voltage stabilizing element ZD1；The other end of described speaker is directly connected to the VOUT end of three-terminal voltage-stabilizing element ZD1.
The present invention to realize the function of a thermal monitoring using hardware circuit plus single-chip microcomputer；Wherein, the PC arteries and veins needed for single-chip microcomputer
Rush signal and take from ignition discharge loop, power supply is provided by blood pressure lowering current limliting by civil power；Single-chip microcomputer is then exported by hardware circuit
Control signal is converted into sound and optical signal；Ignition coil around to judgement then realized by sampled signal, if line
Around anti-, then igniting output pulse can anti-phase, and the PCB pulse so gathering is just and then anti-phase, after this PCB pulse is inverted for circle
By single-chip microcomputer, then can embody the indication signal that we can be visually seen；Therefore, present configuration is simple, can improve
The accuracy of point thermal monitoring and monitoring efficiency.
Brief description
Fig. 1 is the theory diagram of the embodiment of the present invention；
Fig. 2 is the igniting observation circuit structure chart of the embodiment of the present invention.
Specific embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 2, the igniting observation circuit structure of a kind of igniter of universal petrol engine, including with 220V power supply 7
Connected power circuit 1 and the PC pulse sampling circuit 2 being connected with electrion loop 8；Described power circuit 1 and PC pulse are adopted
Sample circuit 2 is all connected with single-chip microcomputer 3；Described single-chip microcomputer 3 outfan connects speaker 5 respectively also by composite pipe switch circuit 4
With display lamp 6.
Described power circuit 1 is connected with 220V power supply by the primary of step-down transformer T1, the secondary of step-down transformer T1
Connect input and the common of bridge rectifier diode D1 respectively；The outfan of described bridge rectifier diode D1 connects respectively
Connect Vin end and the GND end of three-terminal voltage-stabilizing element ZD1.It is also associated with electricity between the VIN end of three-terminal voltage-stabilizing element ZD1 and GND end
Hold C1, the VOUT end output 15V power supply of three-terminal voltage-stabilizing element ZD1, this 15V power supply is through resistance R10 current limliting, Zener diode
ZD2 voltage stabilizing is simultaneously connected to 5 ends of single-chip microcomputer U1 3 after electric capacity C2, electric capacity C3 and electric capacity C4 filter, i.e. single-chip microcomputer U1 3
Vdd terminal；The VOUT end of described three-terminal voltage-stabilizing element ZD1 is also connected with the electricity in parallel being made up of resistance R11, resistance R12 and resistance R13
Road.
Described PC pulse sampling circuit 2 resistance R1, resistance R2 in parallel and resistance R3 connect electrion loop 8 and adopt
Collection ignition discharge pulse, described ignition discharge pulse forms pressure drop through diode D2 on resistance R4, through resistance R5 current limliting in electricity
Resistance R6 forms audion Q1 base bias, audion Q1 base stage and colelctor electrode shunt-wound capacitance C6；The emitter stage of audion Q1 and collection
It is parallel with resistance R7 and electric capacity C7 respectively between electrode；The emitter stage of audion Q1 is connected to 5V power supply also by resistance R9；Institute
The two ends stating electric capacity C7 are also respectively connected with base stage and the emitter stage of audion Q2；The colelctor electrode of audion Q2 passes through resistance R8 to 5V
Power supply, the colelctor electrode of audion Q2 is then connected 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 of this single-chip microcomputer U1 3 and 6 ends are vacant, 2 terminations
Ground, 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, the moon of diode D3 by the anode of diode D3
The base stage of pole connecting triode Q3, is also associated with electric capacity C8 between the anode of diode D3 and GND；The base stage of described audion Q3
It is parallel with resistance R14 and electric capacity C5, the grounded emitter of audion Q3 respectively and emitter stage between, the colelctor electrode of audion Q3 divides
Not Lian Jie display lamp 6 and speaker 5 one end.
The other end of described display lamp 6 is then connected to three by current-limiting resistance R11, current-limiting resistance R12 and current-limiting resistance R13
The VOUT end current limliting of end voltage stabilizing element ZD1；The other end of described speaker 5 is directly connected to the VOUT end of three-terminal voltage-stabilizing element ZD1.
The present invention to realize the function of a thermal monitoring using hardware circuit plus single-chip microcomputer；Wherein, the PC arteries and veins needed for single-chip microcomputer
Rush signal and take from ignition discharge loop, power supply is provided by blood pressure lowering current limliting by civil power；Single-chip microcomputer is then exported by hardware circuit
Control signal is converted into sound and optical signal；Ignition coil around to judgement then realized by sampled signal, if line
Around anti-, then igniting output pulse can anti-phase, and the PCB pulse so gathering is just and then anti-phase, after this PCB pulse is inverted for circle
By single-chip microcomputer, then can embody the indication signal that we can be visually seen；Therefore, present configuration is simple, can improve
The accuracy of point thermal monitoring and monitoring efficiency.
Claims (5)
1. a kind of igniter of universal petrol engine igniting observation circuit structure it is characterised in that：Described igniter of universal petrol engine
Igniting observation circuit structure include the power circuit that is connected with 220V power supply and the PC pulse being connected with electrion loop is adopted
Sample circuit；Described power circuit is all connected with single-chip microcomputer with PC pulse sampling circuit；Described single-chip microcomputer output is also by compound
Pipe on-off circuit connects speaker and display lamp respectively；
Described power circuit is connected with 220V power supply by the primary of step-down transformer T1, and the secondary of step-down transformer T1 connects respectively
Connect input and the common of bridge rectifier diode D1；The outfan of described bridge rectifier diode D1 connects three ends respectively
The Vin end of voltage stabilizing element ZD1 and GND end；It is also associated with electric capacity C1 between the VIN end of three-terminal voltage-stabilizing element ZD1 and GND end, three
End voltage stabilizing element ZD1 VOUT end output 15V power supply, this 15V power supply through resistance R10 current limliting, Zener diode ZD2 voltage stabilizing,
And it is connected to 5 ends of single-chip microcomputer U1, the i.e. vdd terminal of single-chip microcomputer U1 after electric capacity C2, electric capacity C3 and electric capacity C4 filter；Described three
The VOUT end of end voltage stabilizing element ZD1 is also connected with the parallel circuit being made up of resistance R11, resistance R12 and resistance R13.
2. igniter of universal petrol engine as claimed in claim 1 igniting observation circuit structure it is characterised in that：Described PC arteries and veins
Rush sample circuit resistance R1, resistance R2 in parallel and resistance R3 connects electrion loop collection igniting discharge pulse, institute
State ignition discharge pulse, through diode D2, pressure drop is formed on resistance R4, form audion Q1 base through resistance R5 current limliting in resistance R6
Pole biasing, audion Q1 base stage and colelctor electrode shunt-wound capacitance C6；It is parallel with respectively between the emitter and collector of audion Q1
Resistance R7 and electric capacity C7；The emitter stage of audion Q1 is connected to 5V power supply also by resistance R9；The two ends of described electric capacity C7 are also divided
The base stage of other connecting triode Q2 and emitter stage；The colelctor electrode of audion Q2 passes through resistance R8 to 5V power supply, the collection of audion Q2
Electrode is then connected with 3 ends of single-chip microcomputer U1.
3. igniter of universal petrol engine as claimed in claim 1 igniting observation circuit structure it is characterised in that：Described monolithic
Machine is the single-chip microcomputer of PIC10F322 model, and 4 ends of this single-chip microcomputer U1 and 6 ends are vacant, 2 end ground connection, and 1 end connects multiple tube switch
Circuit, 5 ends connect 5V power supply.
4. igniter of universal petrol engine as claimed in claim 1 igniting observation circuit structure it is characterised in that：Described compound
Pipe on-off circuit connects 1 end of single-chip microcomputer U1, the base of the negative electrode connecting triode Q3 of diode D3 by the anode of diode D3
Pole, is also associated with electric capacity C8 between the anode of diode D3 and GND；Between the base stage of described audion Q3 and emitter stage respectively simultaneously
It is associated with resistance R14 and electric capacity C5, the grounded emitter of audion Q3, the colelctor electrode of audion Q3 connects display lamp respectively and raises one's voice
One end of device.
5. the igniter of universal petrol engine as described in claim 1 or 4 igniting observation circuit structure it is characterised in that：Described
The other end of display lamp is then connected to three-terminal voltage-stabilizing element ZD1 by current-limiting resistance R11, current-limiting resistance R12 and current-limiting resistance R13
VOUT end current limliting；The other end of described speaker is directly connected to 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN104405557A CN104405557A (en) | 2015-03-11 |
| CN104405557B true CN104405557B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410734152.4A Active CN104405557B (en) | 2014-12-05 | 2014-12-05 | Ignition monitoring circuit structure of general gasoline engine igniter |
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Families Citing this family (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 |
| CN111720251B (en) * | 2020-06-15 | 2022-04-22 | 深圳市健科电子有限公司 | Ignition coil monitoring device |
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 |
-
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 |
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| CN104405557A (en) | 2015-03-11 |
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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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| CP01 | Change in the name or title of a patent holder | ||
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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. |
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