CN1188850A - Ignition device of capacitor charging/discharging type - Google Patents
Ignition device of capacitor charging/discharging type Download PDFInfo
- Publication number
- CN1188850A CN1188850A CN 97114189 CN97114189A CN1188850A CN 1188850 A CN1188850 A CN 1188850A CN 97114189 CN97114189 CN 97114189 CN 97114189 A CN97114189 A CN 97114189A CN 1188850 A CN1188850 A CN 1188850A
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- voltage
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Abstract
A condenser charge/discharge ignition system comprises a drive source, a DC-DC converter, an IGN key switch, an ignition capacitor, a thyristor, an ignition coil and a pulser coil. The IGN key switch involves a second switch adapted to be switched off or on in synchronism with the switched-on or off of a first switch. The key-switch operation detector circuit comprising a first and a second voltage detector circuit and a smoothing circuit.
Description
The present invention relates to capacitor charge/discharge formula ignition mechanism, the motor in this device only is used to start automobile having been started by key, electric bicycle, or the like ignition key switch after just start.
As a traditional capacitor charge/discharge formula ignition mechanism, a kind of a kind of device that installs and disclosed that is for example disclosed is arranged in JP-U-3-27881 in JP-A-59-165864.Now with reference to Fig. 1 traditional device is described, wherein Fig. 1 shows the basic circuit structure of those devices.
Among Fig. 1, label 1 an expression DC power supply (battery); 2 expression ignition key switch, this key operation has a switch X, on/off circuit between terminal A and B; 3 expression DC-DC transducers, this transducer are by commutation diode D1, smmothing capacitor C1, transformer T1, and switching transistor Q1 and the switching circuit 4 that comprises the HF switch oscillator constitute.Spark coil of label 5 expressions; Pulser coil that is used to detect time of ignition of 6 expressions; D2 and D3 represent commutation diode; S1 represent the to light a fire thyristor of usefulness; C2 represents the capacitor that is used to light a fire; 7 expressions are used to detect the overvoltage detection circuit of this overcharge when the capacitor C2 overcharge of the usefulness of lighting a fire; Also have 8 expressions to be used for trigger action by the SC sigmal control thyristor of pulser coil, and according to the control circuit of the operation of the output signal control switch circuit 4 of over-voltage detection circuit 7.
Circuit is worked by this way, promptly when connection ignition key switch 2 makes contact X closed, DC power supply 1 is connected to DC-DC transducer 3 by terminal A and B, switching circuit 4 is activated by control circuit 8, allow switching transistor Q1 to carry out switching manipulation, and the capacitor C2 of igniting usefulness is by transformer T1 charging.When the capacitor C2 of igniting usefulness reaches a specific voltage by charging, over-voltage detection circuit 7 work, the work by control circuit 8 stop switch transistor Q1 by this.When motor began to rotate, a fire signal was input to control circuit 8 from pulser coil 6 subsequently, triggered the thyristor of igniting usefulness, and the energy among the capacitor C2 of igniting usefulness is discharged into spark coil 5, ignition engine by this.
But, according to traditional ignition mechanism of capacitor charge/discharge formula, make contact X closure (on-state) by connection (ON) operation by ignition key switch 2, can ato unit.Therefore, the motorcycle in Motor Vehicle particularly, the negligible amounts of wiring around the motor, and wiring is changed easily, so by using an other wire, directly connect across the terminal A of ignition key switch 2 and the circuit between the B, can obtain the identical state of on-state with the contact X of ignition key switch 2.
The present invention is used to solve above-mentioned shortcoming, and attempts to provide a kind of capacitor charge/discharge formula ignition mechanism, and in this ignition mechanism, even the circuit between the terminal A of ignition key switch and the B connects by other connection lead, motor does not start yet.This ignition mechanism in more detail, the invention provides a kind of capacitor charge/discharge formula ignition mechanism, even also must be finished its function when the startup power supply of motor uses AC generator except that the DC power supply.
According to the present invention, a kind of ignition mechanism is provided, this ignition mechanism comprises: the power supply that comprises DC power supply and/or generator; Be used for when when power supply provides electric power, the dc voltage that produces dc voltage according to control signal produces circuit; Be used for producing the output voltage charging of circuit or the capacitor of discharge to dc voltage; Be used for carrying out the spark coil of ignition operation by the discharge current of capacitor; Comprise first switch (being used for the connection between on/off power supply and the dc voltage generation circuit) and the second switch ignition key switch of (being used for having the operation of interlock connection ground execution on/off) with the on/off operation of first switch; Impedor, this impedor have first and second terminals of two terminals that are connected respectively to second switch, and second terminal in this impedor is connected to first switch and dc voltage produces tie point between the circuit; Voltage check device is used to detect the voltage at the impedor first and second terminal places, and is used for producing output signal according to tested voltage; Also have control gear, be used for the output signal according to voltage check device, the control dc voltage produces the operation of circuit and/or the discharge of capacitor.
According to above-mentioned structure, to detecting across the voltage between the impedor terminal (operation by ignition key switch when the opening operation of the making operation of first switch and second switch detects), so when ignition key switch only is short circuit, can't ato unit.
Fig. 1 is the circuit diagram that the example of a traditional ignition mechanism is shown;
Fig. 2 is the circuit diagram of ignition mechanism according to an embodiment of the invention;
Fig. 3 A is the circuit diagram that the halted state of the ignition key switch in the ignition mechanism that is included in Fig. 2 is shown;
Fig. 3 B is the circuit diagram that the running state of the ignition key switch in the ignition mechanism that is included in Fig. 2 is shown;
If Fig. 4 illustrates to use the AC generator as power supply the signal waveforms in each part of key operation operation detection circuit in ignition mechanism of the present invention;
If Fig. 5 illustrates the chart of forcing short circuit or discharge the operation of ignition key switch in ignition mechanism of the present invention;
Fig. 6 A and 6B are the circuit diagram that other example of the nonlinear element that can use in the ignition key switch in the ignition mechanism of the present invention is shown.
Fig. 2 shows circuit diagram according to an embodiment of the invention, is pointed out by identical label with identical parts in the circuit diagram of the conventional apparatus shown in Fig. 1, and has omitted description of them.In Fig. 2, label 11 is pointed out an AC generator with generator coil L1 and L2.The AC generator has and replaces DC power supply 1 that electric power is offered ignition mechanism as starting power supply, perhaps to 1 charging of DC power supply and the function of lighting lamp 12 is arranged.Label 13 is pointed out a control gear, is used for electric power is offered each above-mentioned application.Label 14 is pointed out ignition key switch.Except the switch X between terminal A and the B, between terminal C and D, also be provided with the on/off that is used to carry out and operate the switch Y that phase-plate is operated with switch X.Zener diode Z1 is set as impedor between terminal C and D, preferably nonlinear element.The cathode side of Zener diode is connected to the terminal B on the outlet side of ignition key switch 14.As shown in Figure 3A and 3B, the switch X of ignition key switch 14 and the operation of Y are all switched by the ignition key (not shown) with linkage relationship, therefore when ignition key switch 14 disconnects (Fig. 3 A), switch X disconnects and switch Y connection, when ignition key switch 14 is connected (Fig. 3 B), switch X connects and switch Y disconnection.
So, when ignition key switch 14 disconnects, be arranged on the Zener diode Z1 short circuit between terminal C and the D.When ignition key switch 14 is connected, discharge short circuit current, and Zener diode Z1 is connected to circuit between terminal B and the Z terminal.
The Zener diode Z2 of second voltage detecting circuit 17 is protective circuits, is used for that (at that time the AC generator being connected as supply voltage) makes each element of key operation operation detection circuit 15 avoid high voltage when the AC half-wave voltage is transfused under so-called battery off state.
The operation in the on-state of ignition key switch 14 shown in Fig. 3 B at first will be described.By the making operation of key operation 14, by DC power supply 1 or AC generator 11 with voltage V
BBe applied to the BAT terminal (power supply terminal) of second voltage detecting circuit 17 of key operation operation detection circuit 15, and the terminal D of the terminal A → terminal B → Zener diode Z1 → switch Y by switch X is with voltage V
ZBe applied to the Z terminal (detection terminal) of first voltage detecting circuit 16.
As for the voltage on the BAT terminal, with voltage V
BBe applied to the emitter terminal of transistor Q2 by resistor R 1.The voltage at Z terminal place is connected transistor Q3 by resistor R 5, and it is put on resistor R 3.Like this, the collector voltage of the transistor Q3 voltage V at terminal Z place no better than
ZTherefore, as long as satisfy the condition (V that the pressure drop owing to Zener diode Z1 comes
B＞V
Z), transistor Q2 just is switched on, and by 6 pairs of capacitor C5 chargings of resistor R.When capacitor C5 had the voltage that equals a predetermined value, transistor Q4 was switched on, and sent the ignition operation permission to control circuit 8.This state is corresponding to judging the normal result of ignition key switch 14 operations.
Next the working waveform figure with reference to Fig. 4 is described in 1 disconnection of DC power supply, ignition key switch 14 is in normal working, and the work that the AC half-wave voltage of the output of AC generator 11 is imposed on key operation operation detection circuit 15 under the situation of BAT terminal (power supply terminal) and Z terminal (detection terminal).
The AC half-wave voltage of Fig. 4 (a) is imposed on BAT terminal and Z terminal.The AC half-wave voltage is level and smooth by capacitor C1 as shown in Fig. 4 (b), and provides as the power supply of ignition mechanism.In the AC half-wave voltage waveform at Z terminal place, the low Δ V of the AC half-wave voltage waveform of its voltage ratio at BAT terminal place
Z1, this value is corresponding to the pressure drop that is caused by Zener diode Z1, shown in Fig. 4 (a).The voltage that is applied to the BAT terminal is by Zener diode Z2 clamp, is used for being equal to or higher than a scheduled voltage when this voltage, such as, avoid the input overvoltage of second voltage detecting circuit 17 under the battery off state during 30V.After this, second and first voltage detecting circuit 17 and 16 capacitor C3 and C4 keep a scheduled time with each input voltage.They are shown among Fig. 4 (c).Be higher than above-mentioned predetermined voltage in the AC of AC generator 11 half-wave voltage, and under the state by the Zener diode clamp, that is, have in Zener diode Z2 in the time lag that electric current flows through, transistor Q2 is reverse biased, so transistor Q2 does not work.When having DC power supply 1, other operation is similar with this.
As shown in Fig. 4 (d), to those moment of AC half-wave voltage rising therebetween, a period of time (that is, the potential difference between capacitor C3 and the C4 is corresponding to a period of time of Zener diode Z1 pressure drop) of transistor Q2 work equals an extremely short time t1.But, when the AC half-wave voltage dies down, because each input voltage waveform (the preferably capacitance of capacitance 〉=C3 of C4) of capacitor C3 and C4 is held a preset time, therefore a period of time of transistor Q2 work equals one section long period t2, and the charging of capacitor C5 and smoothly operate in moment execution as shown in Fig. 4 (e).Therefore, even when input AC half-wave voltage, transistor Q4 does not carry out unsettled operation yet.That is, at this moment (voltage V that process is level and smooth
C5Remain the voltage that is equal to or higher than the threshold value that to work at the transistor Q4 of this value place.Similar under operation subsequently and the situation that has DC power supply 1.As a result, even be in the battery off state, also can carry out stable work in the mode similar to the situation of using DC power supply 1.
Now with reference to Fig. 5 a kind of like this phenomenon is described, even someone attempts by forcing hot wire key operation 14 from outside terminal with the thing of wire and so on, perhaps make it discharge the starting ignition device under the state (state of Fig. 3 A) that ignition key switch 14 is not worked, ignition mechanism is not still worked.
The state of No.1 illustrates a situation among Fig. 5, and ignition key switch 14 is like that normally worked as mentioned above in this case.The emitter voltage of transistor Q2 equals V
B, and the collector voltage of transistor Q3 equals (V
B-V
Z).Therefore, the voltage of capacitor C5 equals a predetermined value V
ONPerhaps bigger, transistor Q4 connects, and actuating signal is outputed to control circuit 8, and can make ignition mechanism work.
The state that No.2 incites somebody to action among Fig. 5 relates to across the situation of the circuit between terminal A and the D with the thing short circuit of electric wire and so on.In this case, because Zener diode is by switch X short circuit, voltage and the voltage at Z terminal place at BAT terminal place all are V
B, so the collector voltage of the emitter voltage of transistor Q2 and transistor Q3 also is identical current potential, and transistor Q2 disconnects.Like this, capacitor C5 goes up no-voltage and applies, and is not activated the signal transmission from key operation operation detection circuit 15 to control circuit 8, so ignition mechanism does not start.
The state of No.3 among Fig. 5 relates to across the circuit between terminal A and the B by the situation of short circuit.In this case, with mode similar under the situation of above-mentioned No.2, the voltage at BAT terminal and Z terminal place is identical current potential V
B, and ignition mechanism does not start.
The state of No.4 among Fig. 5 relates to across the situation of the circuit between terminal B and the D with the thing short circuit of electric wire and so on.In this case, owing to do not apply voltage from DC power supply 1 or AC generator 11, the current potential that equals zero of the voltage at BAT terminal place and Z terminal place, and ignition mechanism does not start.
The state of No.5 among Fig. 5 relates to across the situation of the wire short-circuiting of the circuit between terminal A and the D and the usefulness of the circuit between terminal A and B electric wire and so on.In this case, in the mode similar with the No.3 situation with above-mentioned No.2, BAT terminal place is set to identical current potential V with voltage at Z terminal place
B, and ignition mechanism does not start.
The situation of No.6 among Fig. 5 relates to across the situation of the thing short circuit of the circuit between terminal A and the D and the usefulness of the circuit between terminal B and D electric wire and so on.In this case, be set to identical current potential V at BAT terminal place with voltage in the mode similar at Z terminal place with the situation of above-mentioned No.2
B, and ignition mechanism does not start.
The state of No.7 among Fig. 5 relates to across the situation of short circuit between terminal A and the D and the disconnection of BAT terminal.In this case, to be set to identical current potential V with the voltage of the similar mode of the situation of above-mentioned No.2 at BAT terminal place and Z terminal place
B, and ignition mechanism does not start.
The state of No.8 among Fig. 5 relates to across the short circuit between terminal A and the terminal B, and the situation of Z terminal disconnection.In this case, with the similar mode of situation of above-mentioned No.2, be set to identical current potential V at BAT terminal place with voltage at Z terminal place
B, and ignition mechanism does not start.
In each state of No.9 to 12 among Fig. 5, with the similar mode of No.4 situation owing to do not apply voltage from DC power supply 1 or AC generator 11, the current potential that equals zero of the voltage at BAT terminal place and Z terminal place, and ignition mechanism does not start.
In the foregoing description shown in Fig. 2, though Zener diode Z1 is used as the nonlinear element that is arranged in the ignition key switch 14, even as shown in Figure 6A and 6B, do not use outside the Zener diode and use transistor Q5 or diode Za, still can obtain similar function and effect.
As mentioned above, according to the present invention, even when the driving power of ignition mechanism is in DC power supply 1 and/or the AC generator 11 any one, switch Y disconnects as long as ignition key switch 14 is normally worked and switch X connects, detect (this testing circuit is made of first voltage detecting circuit 16, second voltage detecting circuit 17 and smoothing circuit 18) across the potential difference between the terminal of the nonlinear element that in ignition key switch 14, is provided with by key operation operation detection circuit 15, just starting ignition device by this.By short circuit across the circuit between the terminal of ignition key switch 14, by coming the starting ignition device extremely difficult each terminal ground connection or the like way.In other words, in not knowing ignition key switch 14 under the situation of performance characteristic of nonlinear element of dress, can not the starting ignition circuit.When a parameter such as the voltage that will apply changed, the performance characteristic of nonlinear element had very big variation, thereby will know that its performance characteristic is quite difficult.
According to top the present invention who writes up, be DC power supply or AC generator even work as the startup power supply of ignition mechanism, motor also can start under the state of ignition key switch 14 proper functioning.But, want that it is quite difficult coming ato unit by short circuit or disconnection across the method for circuit between the outside terminal of ignition key switch and so on.
Claims (5)
1. ignition mechanism is characterized in that comprising:
The power supply that comprises DC power supply and/or generator;
Be used for producing the dc voltage generation circuit of dc voltage according to control signal when when described power supply provides electric power;
Be used for capacitor to the output voltage charge or discharge of described dc voltage generation circuit;
Be used for carrying out the spark coil of ignition operation by the discharge current of described capacitor;
Comprise the ignition key switch that is used for first switch that on/off connects and is used for carrying out the second switch of disconnection/making operation chainly between described power supply and described dc voltage generation circuit with the on/off operation of described first switch;
Impedor with first and second terminals of two terminals that are connected to described second switch respectively, described second terminal are connected to the tie point between described first switch and the described dc voltage generation circuit;
Be used to detect voltage,, produce the voltage check device of an output signal according to the voltage that records at the described impedor first and second terminal places; And
Be used for controlling the control gear of operation of the discharge of described dc voltage generation circuit and/or described capacitor according to the output signal of described voltage check device.
2. device as claimed in claim 1 is characterized in that described control gear comprises and is used for the thyristor that the output signal according to pulser coil allows the electric charge of described capacitor discharge.
3. device as claimed in claim 1 or 2 is characterized in that described impedor comprises a nonlinear element.
4. as any described device of claim 1 to 3, it is characterized in that described voltage check device comprises:
First voltage detecting circuit, described circuit has first and keeps capacitor and the first transistor, described first keeps capacitor to be used for remaining on the voltage at described impedor the first terminal place when described voltage has AC half-wave waveform, works when the voltage of described the first transistor at described the first terminal place is equal to or greater than a predetermined voltage;
Second voltage detecting circuit, described circuit has Zener diode, second and keeps capacitor and transistor seconds, described Zener diode is used for when described voltage has AC half-wave waveform voltage clamp with the described impedor described second terminal place to a predetermined voltage, described second keeps capacitor to be used to keep described by the voltage of clamp, and the pressure drop that described transistor seconds causes owing to described impedor when the voltage at described the first terminal place is worked when being lower than the described second terminal place voltage; And
Smoothing circuit, described smoothing circuit has smmothing capacitor and the 3rd transistor, described smmothing capacitor is used for the output voltage of level and smooth described second voltage detecting circuit when described output voltage has pulsating waveform, and described the 3rd transistor voltage power supply level and smooth according to described process.
5. device as claimed in claim 4, the described transistor seconds that it is characterized in that described second voltage detecting circuit carries out work in response to the trailing edge of described AC half-wave waveform, with to described smmothing capacitor charging.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35238396A JP3302587B2 (en) | 1996-12-13 | 1996-12-13 | Capacitor charge / discharge igniter |
| JP352383/96 | 1996-12-13 | ||
| JP352383/1996 | 1996-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1188850A true CN1188850A (en) | 1998-07-29 |
| CN1068659C CN1068659C (en) | 2001-07-18 |
Family
ID=18423703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97114189A Expired - Fee Related CN1068659C (en) | 1996-12-13 | 1997-12-12 | Ignition device of capacitor charging/discharging type |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3302587B2 (en) |
| CN (1) | CN1068659C (en) |
| IT (1) | IT1296636B1 (en) |
| TW (1) | TW357233B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865175A (en) * | 2011-07-07 | 2013-01-09 | 曹杨庆 | Energy balance ignition circuit of gasoline engine and balance control method |
| CN104662286A (en) * | 2012-09-26 | 2015-05-27 | 本田技研工业株式会社 | Engine starting device |
| CN115096538A (en) * | 2022-07-29 | 2022-09-23 | 中国科学院力学研究所 | Pulse discharge ignition system for coaxial cylindrical detonation drive device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1308802B1 (en) * | 1999-07-09 | 2002-01-10 | Magneti Marelli Spa | IGNITION AND STARTING SYSTEM FOR A MOTORCYCLE. |
| CN101220792B (en) * | 2007-12-27 | 2010-09-15 | 国网电力科学研究院 | Multi-pole ignition device of impulse voltage generator |
| TWI479077B (en) * | 2009-09-09 | 2015-04-01 | Hon Hai Prec Ind Co Ltd | Firing circuit |
| JP2011236763A (en) * | 2010-05-07 | 2011-11-24 | Honda Motor Co Ltd | Capacitor discharge type internal combustion engine ignition device |
| WO2018219445A1 (en) * | 2017-05-31 | 2018-12-06 | Quintus Technologies Ab | Pressing arrangement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201269U (en) * | 1987-04-20 | 1988-05-18 | 孙志明 | Silicon controlled high efficient igniter of automobile and motor cycle |
| CN2044649U (en) * | 1989-03-02 | 1989-09-20 | 朱健声 | Capacitor discharging electronic ignition system |
| CN2088171U (en) * | 1990-12-08 | 1991-11-06 | 张洪才 | Multi-spark ignitor for automobile |
-
1996
- 1996-12-13 JP JP35238396A patent/JP3302587B2/en not_active Expired - Lifetime
-
1997
- 1997-12-03 TW TW086118203A patent/TW357233B/en not_active IP Right Cessation
- 1997-12-12 IT IT97TO001086 patent/IT1296636B1/en active IP Right Grant
- 1997-12-12 CN CN97114189A patent/CN1068659C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865175A (en) * | 2011-07-07 | 2013-01-09 | 曹杨庆 | Energy balance ignition circuit of gasoline engine and balance control method |
| CN102865175B (en) * | 2011-07-07 | 2018-06-19 | 曹杨庆 | Gasoline engine energy balance firing circuit and balance control method |
| CN104662286A (en) * | 2012-09-26 | 2015-05-27 | 本田技研工业株式会社 | Engine starting device |
| CN104662286B (en) * | 2012-09-26 | 2017-11-28 | 本田技研工业株式会社 | Engine starting device |
| CN115096538A (en) * | 2022-07-29 | 2022-09-23 | 中国科学院力学研究所 | Pulse discharge ignition system for coaxial cylindrical detonation drive device |
| CN115096538B (en) * | 2022-07-29 | 2023-08-08 | 中国科学院力学研究所 | Pulse discharge ignition system for coaxial cylindrical deflagration driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3302587B2 (en) | 2002-07-15 |
| ITTO971086A1 (en) | 1999-06-12 |
| CN1068659C (en) | 2001-07-18 |
| IT1296636B1 (en) | 1999-07-14 |
| TW357233B (en) | 1999-05-01 |
| JPH10176643A (en) | 1998-06-30 |
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| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHINDENMOTO INDUSTRY CO LTD Free format text: FORMER OWNER: SHINDENMOTO INDUSTRY CO LTD; HONDA GIKEN KOGYO K.K. Effective date: 20080613 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080613 Address after: Tokyo, Japan Patentee after: Shindengen Industrial Co., Ltd. Address before: Tokyo Co-patentee before: Honda Motor Co., Ltd. Patentee before: New electric Yuan Industrial Corporation |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010718 Termination date: 20131212 |