CN201078304Y - Automatic angle advancing igniter - Google Patents
Automatic angle advancing igniter Download PDFInfo
- Publication number
- CN201078304Y CN201078304Y CNU2007200414943U CN200720041494U CN201078304Y CN 201078304 Y CN201078304 Y CN 201078304Y CN U2007200414943 U CNU2007200414943 U CN U2007200414943U CN 200720041494 U CN200720041494 U CN 200720041494U CN 201078304 Y CN201078304 Y CN 201078304Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- operational amplifier
- control circuit
- output terminal
- automatically
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
An automatic inlet angle igniter comprises a voltage stabilizing circuit, a triggering signal regulator circuit, an automatic inlet angle control circuit and an ignition executive circuit. The triggering signal regulator circuit is connected with a common mode input terminal of an operational amplifier IC1, and an inverted input terminal of the IC1 is connected with the voltage stabilizing circuit by voltage divisions R3 and R4. An output terminal of the IC1 is connected into the automatic inlet angle control circuit, which is divided into two circuits; wherein, one circuit is connected with a common mode input terminal of an IC3, after being connected into a electrifying and discharging circuit, which is composed of a R10 and a C5, through a C4 and a D7. The other circuit is connected with a common mode input terminal of an IC2. An inverted input terminal of the IC2 is connected with a potentiometer R9, after being connected with an output terminal of the IC2, and the potentiometer R9 is connected into an inverted input terminal of the IC3. An output terminal of the IC3 is connected with the ignition executive circuit. The ignition aiming off can be automatically and relatively adjusted according to the variation of the engine rotate speed, namely the automatic inlet angle.
Description
Technical field
The utility model relates to a kind of Iganition control system that is mainly used in motorcycle engine, particularly a kind of automatic coming angle igniter.
Background technique
Igniter is the vitals that motor needs optimization of matching, by optimization of matching, finds out the ignition advance angle of the igniter when engine power performance, Economy and the discharging that influences environmental protection reach the optimum state.Present widely used CDI ignition, ignition advance angle is changeless, or 2 step-by-step movement coarse adjustment, be not easy to determine the optimum igniting advance angle of motor, can not reflect motor performance difference when the different ignition advance angle of same rotating speed in real time.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, has proposed a kind of automatic coming angle igniter that can make corresponding adjustment according to the variation of engine speed automatically.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of automatic coming angle igniter, comprise mu balanced circuit, trigger signal adjustment circuit, advance angle control circuit and firing action circuit automatically, be characterized in: trigger signal is adjusted circuit and is inserted operational amplifier IC
1In-phase input end, operational amplifier IC
1Inverting input by R
3, R
4Dividing potential drop and mu balanced circuit join, operational amplifier IC
1Output terminal insert and to advance angle control circuit automatically, advance angle control circuit automatically and be divided into two-way, wherein lead up to C
4, D
7With by R
10And C
5The charging and discharging circuit of forming is joined, and the discharge end of above-mentioned charging and discharging circuit inserts operational amplifier IC
3In-phase input end; Operational amplifier IC is inserted by delay control circuit in another road
2In-phase input end, operational amplifier IC
2Inverting input be connected with its output terminal the back with potentiometer R
9Join potentiometer R
9Insert operational amplifier IC
3Inverting input, operational amplifier IC
3Output terminal and firing action circuit join.
The technical problems to be solved in the utility model can also come to realize that further described delay control circuit is provided with isolating diode D by the following technical programs
4, D
5, isolating diode D
4, D
5Connect two timing circuit C respectively
2, R
5With C
3, R
6, above-mentioned two timing circuits are by isolation resistance R
7, R
8Operational amplifier IC is inserted in back in parallel
2In-phase input end.
The technical problems to be solved in the utility model can also come by the following technical programs to realize that further firing action circuit is provided with full-wave voltage doubler and overvoltage limiting circuit to the circuit between the generator high-voltage charging winding that full-wave voltage doubler is by C
8, D
11, D
12Form, the overvoltage limiting circuit is by reference diode D
10, R
12, controllable silicon SCR
2Form.
The utility model is mainly used in motorcycle, or changes single cylinder or the multi-cylinder petrol engine that also is suitable for other occasion a little.It is controlled firing action circuit by advancing angle control circuit automatically, advances angle control circuit automatically and comprises two operational amplifiers, operational amplifier IC
2As voltage follower, operational amplifier IC
3Device as a comparison.Compared with prior art, its ignition signal voltage can be very low, and peak value>0.1V can trigger igniting.Electronic spark advance amount (advance angle) can be made corresponding adjustment automatically according to the variation of engine speed, promptly enters the angle automatically.The leading top dead center of fire signal occurs, and through accurate delay, implements igniting constantly at the optimum igniting of setting.When leading top dead center 60 degree of setting fire signal occur, the high-end advancement amount that 50 remaining crank angles are arranged.Characteristic curve is the linear stepless smooth adjustment, and electronic spark advance amount dynamic range is roomy, and accomplishes omnidistance accurately tracking.Can under the various rotating speeds of motor, determine optimum ignition angle, on time igniting reliably.The dynamic range of electronic spark advance amount can be chosen setting as required, therefore, can be well closely cooperates with the petrol engine of various rotating speeds, just has the racing of the engine limitation function after setting maximum speed.Guarantee that motor is in operation in the safe speed of rotation scope all the time, avoid damaging motor because of the accident hypervelocity.This igniter has no special requirements to wave amplitude, the waveform of ignition signal voltage, and under situation about effectively avoiding interference, the signal voltage of mV level can reliably trigger igniting.Its firing characteristic is excellent, and comprehensive technical performance is more excellent.Can be used as the desirable upgrading regeneration product of CDI.
Description of drawings
Fig. 1 is a circuit theory sketch of the present utility model.
Embodiment
A kind of automatic coming angle igniter comprises mu balanced circuit 1, trigger signal adjustment circuit 7, advances angle control circuit 2 and firing action circuit 3 automatically, and the 12V positive supply is powered to igniter by filter circuit of pressure-stabilizing.From the fire signal (positive polarity is effective) of motor trigger winding, pass through isolation resistance R by the A point
2, pass through D again
1, D
2Enter operational amplifier IC behind the amplitude limit
1In-phase input end, inverting input is by R
3, R
4The reference potential of the given 0.1V of dividing potential drop (be threshold voltage, can be provided with lower or higher as required).
When fire signal arrives, the IC that uses of device as a comparison
1Export a rectangular pulse immediately, be subjected to D
3Wherein lead up to C behind the clamp amplitude limit
4, D
7To C
5Dash once electricity, R
10Be C
5Discharge resistance, C
5With R
10Has bigger time constant, because discharge is very slow, so the C point voltage is level and smooth ripple stably.When engine speed changes from low to high, increase because dash the number of times of electricity in the unit time, thus C point current potential also along with rising, otherwise also anti-.And strict variation synchronization lifting of following engine speed, so, deliver to IC with this variable parameter as engine speed
3In-phase input end.D is then passed through on another road
4, D
5To C
2, C
3Dash electricity rapidly to peak value, B point and its interlock equally also skip to peak level.
Generally, this moment, C point current potential can be lower than the B point, made IC
3Be output as 0, get ready for next implementing igniting.Just when the maximum limit rotating speed, the C point voltage just can rise near or equal the amplitude of B point peak voltage, at this moment because of IC
3Can not normally overturn to be directed at lights a fire not normal and speed limit.
After the fire signal, IC
1Output fall to low level by high level, at this moment, dashed the C of electricity
2, C
3Pass through discharge resistance discharge separately respectively, C
2With R
5, C
3With R
6It is the delay circuit of two different time constants.The sawtooth wave of consequent two Different Slope is by isolation resistance R
7, R
8Deliver to voltage follower IC
2, at R
9On be mixed into needed waveform, the level that C is ordered during according to the maximum limit rotating speed is chosen identical amplitude (peak value) and is delivered to IC
3Inverting input.Along with C
2, C
3Continuous discharge, the B point voltage progressively descends, when being lower than C point current potential after one section time-delay, IC
3The high level of upset output immediately passes through C
6Export a sharp pulse and trigger controllable silicon SCR conducting igniting, so far, finish igniting process one time, and so forth.
As seen: the sharp pulse of triggering controllable silicon SCR is delayed firing signal a period of time always, long and short and rotating speed motor of time-delay is inversely proportional to, in other words: the rotating speed low delay is long, the high time-delay of rotating speed is short, the crank angle of leading 60 degree of fire signal is converted into the time, and deducting time-delay with this promptly is the time of ignition that hope obtains.No matter what the rotating speed of motor done and changed, and the electronic spark advance amount all can be made corresponding adjustment following closely rapidly, exactly automatically, and all-the-way tracking in whole working speed scope is made stepless linearly adjust continuously.So, being provided with like this, the high-end electronic spark advance amount that provides leading 50 remaining crank angles if need bigger advancement amount, can obtain by changing corresponding setting and circuit parameter easily.
Firing action circuit is provided with full-wave voltage doubler and overvoltage limiting circuit to the circuit between the generator high-voltage charging winding, and full-wave voltage doubler is by C
8, D
11, D
12Form, the overvoltage limiting circuit is by reference diode D
10, R
12, controllable silicon SCR
2Form.The electric energy of generator high-voltage charging winding output is by D point access point firearm, and required energy when lighting a fire to supply with is during negative half period, through D
11After the rectification to C
8When charging, positive half cycle, and C
8On voltage stack, pass through D with higher voltage
9With high-voltage ignition coil to energy-storage capacitor C
7Charging, this charging modes are the voltage multiplying rectifier charging, C
7On can obtain higher charging voltage.In order to control or stable C
7Charging voltage, be provided with by reference diode D
10, R
12, controllable silicon SCR
2The overvoltage limiting circuit of forming is worked as C
7Charging voltage when reaching limited amplitude, too high voltage will make voltage-stabiliser tube D
10Conducting triggers controllable silicon SCR
2Conducting bleeds off charging voltage ground connection, makes no longer to C
7Continue to overcharge, therefore, C
7Charging voltage always remain on certain amplitude, make ignition energy each time all remain on a constant numerical value.
Claims (3)
1. an automatic coming angle igniter comprises mu balanced circuit (1), trigger signal adjustment circuit (7), advances angle control circuit (2) and firing action circuit (3) automatically, and it is characterized in that: trigger signal is adjusted circuit (7) and inserted operational amplifier IC
1In-phase input end, operational amplifier IC
1Inverting input by R
3, R
4Dividing potential drop and mu balanced circuit (1) join, operational amplifier IC
1Output terminal insert and to advance angle control circuit (2) automatically, advance angle control circuit (2) automatically and be divided into two-way, wherein lead up to C
4, D
7With by R
10And C
5The charging and discharging circuit of forming is joined, and the discharge end of above-mentioned charging and discharging circuit inserts operational amplifier IC
3In-phase input end; Operational amplifier IC is inserted by delay control circuit (6) in another road
2In-phase input end, operational amplifier IC
2Inverting input be connected with its output terminal the back with potentiometer R
9Join potentiometer R
9Insert operational amplifier IC
3Inverting input, operational amplifier IC
3Output terminal and firing action circuit (3) join.
2. automatic coming angle igniter according to claim 1 is characterized in that: described delay control circuit (6) is provided with isolating diode D
4, D
5, isolating diode D
4, D
5Connect two timing circuit C respectively
2, R
5With C
3, R
6, above-mentioned two timing circuits are by isolation resistance R
7, R
8Operational amplifier IC is inserted in back in parallel
2In-phase input end.
3. automatic coming angle igniter according to claim 1, it is characterized in that: firing action circuit (3) is provided with full-wave voltage doubler (5) and overvoltage limiting circuit (4) to the circuit between the generator high-voltage charging winding, and full-wave voltage doubler (5) is by C
8, D
11, D
12Form, overvoltage limiting circuit (4) is by reference diode D
10, R
12, controllable silicon SCR
2Form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200414943U CN201078304Y (en) | 2007-08-08 | 2007-08-08 | Automatic angle advancing igniter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200414943U CN201078304Y (en) | 2007-08-08 | 2007-08-08 | Automatic angle advancing igniter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201078304Y true CN201078304Y (en) | 2008-06-25 |
Family
ID=39570365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200414943U Expired - Fee Related CN201078304Y (en) | 2007-08-08 | 2007-08-08 | Automatic angle advancing igniter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201078304Y (en) |
-
2007
- 2007-08-08 CN CNU2007200414943U patent/CN201078304Y/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205004947U (en) | PWM pulsed is charging circuit in advance | |
DE102012203797B4 (en) | Ignition device for controlling the ignition of an internal combustion engine | |
CN102094740B (en) | Digital direct-current igniter for motorcycle | |
CN201511910U (en) | Automobile comprehensive performance regulation and control device | |
CN201078304Y (en) | Automatic angle advancing igniter | |
CN200958453Y (en) | Double-fuel high-energy ignitor of motorcycle | |
CN106321325B (en) | Ignition method and device capable of adjusting ignition time according to temperature | |
US7631633B2 (en) | Capacitor discharge ignition device for engine | |
CN211524983U (en) | Energy-controllable alternating-current ignition system | |
CN202001168U (en) | Motorcycle digital direct current igniter | |
CN103821656A (en) | Multi-mode discharging ignition system for gas engine | |
CN201934239U (en) | Digital direct current igniter of motorcycle | |
CN201687634U (en) | Automobile multifunctional coordinator | |
CN201843719U (en) | Discharge time extension device for igniter | |
CN101963122B (en) | Ignitor discharge time extending device | |
CN201501358U (en) | Automobile electronic matcher | |
CN1059017C (en) | Ignition control system | |
CN201837503U (en) | Automobile engine knocking sensor test stand and motor control circuit | |
CN203297021U (en) | General gasoline engine digital igniter | |
CN201184266Y (en) | Motorcycle speed limiting igniter | |
CN209250593U (en) | A kind of petrol engine tooth signal recognition circuit based on thyristor control | |
CN201212441Y (en) | Capacitance discharging ignition system with auto speed limiting function for general purpose petrol engine | |
CN1141493C (en) | Ion-effect ignition controller | |
CN2259502Y (en) | Silicon control capacity discharge ignitor for vehicle | |
CN215890290U (en) | Automobile igniter driving circuit with stable output |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20100808 |