CN208831130U - A kind of multiple Iganition control system of automobile - Google Patents
A kind of multiple Iganition control system of automobile Download PDFInfo
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- CN208831130U CN208831130U CN201821395317.XU CN201821395317U CN208831130U CN 208831130 U CN208831130 U CN 208831130U CN 201821395317 U CN201821395317 U CN 201821395317U CN 208831130 U CN208831130 U CN 208831130U
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- judgment component
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Abstract
The utility model discloses a kind of multiple Iganition control systems of automobile, it is characterised in that: the drive module including the work of drive ignition transformer, the detection module for preventing the primary coil overcurrent of ignition transformer from working；Drive module is connect with primary coil, and by detection primary current, whether overcurrent work generation judges that signal controls drive module in turn and works to detection module；It further include multiple ignition control module, multiple ignition control module detects secondary coil initial firing current and can be triggered by the initial firing current and provide ignition signal at least once to drive module；Further include that the reference voltage module of reference voltage is provided and filters out the clutter carried in the ignition signal of input driving device, avoids the ignition signal filter module for generating mis-ignition；Further include ignition times limitation module, limits multiple ignition control module and only export an ignition signal；Further include that igniting limitation module and multiple igniting again limit module, ignition signal again can be inhibited according to ignition signal.
Description
Technical field
The utility model belongs to technical field of engines, concretely relates to a kind of multiple Iganition control system of automobile.
Background technique
Automobile is as a kind of main means of transport, and in today's society, being all in the routine work and life of people can not
Lack.It is updated as auto industry continues to develop, the ignition coil nowadays used on car has been changed to penholder mostly
Formula structure, such ignition coil is directly linked together with spark plug by rubber sheath, and small product size is small, electromagnetism
Compatible strong, output voltage is high, and efficiency of combustion is higher, is the trend of ignition coil development.
But existing ignition coil is not enough to very well often under the operating condition of low engine speeds there are ignition energy deficiency
Light the intracorporal fuel of cylinder to make full combustion of fuel, ignition energy deficiency influences the utilization of engine power and fuel
Rate, but due to the limitation of ignition coil volume, and can not be improved by increasing the iron core of ignition coil or increasing winding
Secondary voltage improves ignition energy difficulty again very greatly by the structure of change ignition coil to improve ignition energy.
Summary of the invention
The purpose of the utility model is to provide a kind of multiple Iganition control system of automobile, it is intended to overcome prior art midpoint
The problem of firewire circle ignition energy deficiency.
In order to solve the above technical problems, purpose of the utility model is realized as follows:
A kind of multiple Iganition control system of automobile, it is characterised in that: the drive module including the work of drive ignition transformer,
The detection module for preventing the primary coil overcurrent of ignition transformer from working；
The drive module is connect with primary coil, the detection module by detection primary current whether overcurrent work
Make and generates and judge signal and then control drive module work；
It further include multiple ignition control module, multiple ignition control module detects secondary coil initial firing current and can be by the point
Fiery current trigger and provide ignition signal at least once to drive module.
Preferred embodiment on the basis of above scheme and as above scheme: further including providing the benchmark electricity of reference voltage
Die block and the clutter carried in the ignition signal of input driving device is filtered out, avoids the ignition signal filtering for generating mis-ignition
Module.
Preferred embodiment on the basis of above scheme and as above scheme: further including ignition times limitation module,
It limits multiple ignition control module and only exports an ignition signal.
Preferred embodiment on the basis of above scheme and as above scheme: further including that igniting again limits module,
It can inhibit ignition signal again according to ignition signal
Preferred embodiment on the basis of above scheme and as above scheme: also limiting module comprising repeatedly igniting,
Comprising engine speed detection module, engine speed detection module detection engine speed inhibits described more when reaching setting value
The ignition signal of secondary ignition control module output.
Preferred embodiment on the basis of above scheme and as above scheme: the drive module includes judgment component
U1B, switch element Q2, the detection module include judgment component U1C, primary charging coil current sampling resistor R15；Judgement member
Part U1B noninverting input connects distributor pickup mechanism, and reverse input end is connected with reference voltage, judgment component U1B output
The control terminal of connection switch element Q2 is held, switch element Q2 first switch end is connect with primary coil, second switch end and primary
Coil charges one end current sampling resistor R15 and the connection of judgment component U1C reverse input end, primary charging coil current sample
Resistance R15 other end ground connection, judgment component U1C noninverting input is connected with reference voltage and its output end is with switch element Q2's
Control terminal connection, judgment component U1C reverse input end are connected to output end by resistance R12.
Preferred embodiment on the basis of above scheme and as above scheme: the multiple ignition control module includes to sentence
Disconnected element U2A, judgment component U2B, judgment component U4D, secondary coil initial firing current sampling resistor R22, the sum of judgment component U2A
The reverse input end of judgment component U2B and the non-inverting input terminal of judgment component U4D are respectively connected with reference voltage, judgment component
The non-inverting input terminal of U2A is connected to the hot end of secondary coil initial firing current sampling resistor R22, the same phase of judgment component U2B
Input terminal is connected to judgment component U2A output end and is connected with capacitor C4, the homophase input of the capacitor C4 and judgment component U2B
Hold connecting pin by current-limiting resistance R19 connection positive pole, the inverting input terminal elder generation capacitor C3 connection of judgment component U4D passes through again
The output end and current-limiting resistance R18 of current-limiting resistance R18 connection judgment element U2B is parallel with diode D5, diode D5 anode court
To the inverting input terminal of judgment component U4D, the output end of the output end of judgment component U2B and judgment component U4D with driving
The ignition signal input terminal of module connects.
Preferred embodiment on the basis of above scheme and as above scheme: the homophase input of the judgment component U2B
Diode D6 of the cathode towards judgment component U2A output end, judgment component are in series between end and judgment component U2A output end
Diode D7 of the cathode towards its non-inverting input terminal is serially connected between the output end and non-inverting input terminal of U2A, judgment component U2B's
It is serially connected with anode diode D3, D4 interconnected between output end and the ignition signal input terminal of drive module, diode D3,
The anode of D4 is connect by the output end of resistance R16 connection positive pole and judgment component U4D with the anode of diode D3, D4.
Preferred embodiment on the basis of above scheme and as above scheme: the limitation module of igniting again includes to sentence
The non-inverting input terminal of disconnected element U3C, judgment component U3C connect reference voltage, and reverse input end connects ignition signal, output end
The output end of connection judgment element U2A.
Preferred embodiment on the basis of above scheme and as above scheme: the multiple igniting limitation module includes point
Fiery signal frequency detection module or engine speed detection module, the ignition signal frequency detection module or engine speed inspection
The output end for surveying module is connect by diode D8 with the output end of judgment component U4D, and diode D8 anode is towards judgment component
The output end of U4D ignition signal frequency detection module or starts when ignition signal frequency or engine speed reach setting value
The output end of machine Rotating speed measring module jumps as 0V output.
Preferred embodiment on the basis of above scheme and as above scheme: the homophase input of the judgment component U1B
It is connected to after one diode D1 of end series connection with ignition signal generation device and it connect with diode D1 cathode, the judgment component
U3C reverse input end connects diode D1 anode.
Compared with the prior art, the utility model has prominent and beneficial technical effects that: 1, primary ignition coil is provided with detection
Module, when overcurrent condition occurs for primary coil, control drive module stops working, and plays protection to circuit and primary coil and makees
With；
2, multiple ignition control module receives after the ignition signal of secondary coil before the arrival of next ignition signal
Generating at least one, ignition signal makes drive module control repeatedly igniting again；
3, ignition times limitation module can be such that multiple ignition control module closes when next ignition signal arrives repeatedly
Ignition control module or truncation ignition signal again avoid ignition signal again from influencing the igniting of normal ignition signal control；
4, since engine is under high-revolving operating condition, the ignition energy needed will be reduced, thus not more in needs
The intervention of secondary igniting, igniting limitation module inhibits the multiple ignition control when engine speed reaches setting value so many times
The ignition signal of module output.
Detailed description of the invention
Fig. 1 is the circuit theory schematic diagram of the utility model；
Fig. 2 is the working timing figure that ignition times limitation module is not added；
Fig. 3 is the working timing figure being added after ignition times limitation module.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the attached drawing in embodiment, to reality
The technical solution applied in example is clearly and completely described,
A kind of multiple Iganition control system of automobile, it is characterised in that: the drive module including the work of drive ignition transformer,
The detection module for preventing the primary coil overcurrent of ignition transformer from working；
The drive module is connect with primary coil, the detection module by detection primary current whether overcurrent work
Make and generates and judge signal and then control drive module work；
It further include multiple ignition control module, multiple ignition control module detects secondary coil initial firing current and can be by the point
Fiery current trigger and provide ignition signal at least once to drive module.
It further include that the reference voltage module of reference voltage is provided and is filtered out to carry in the ignition signal of input driving device
Clutter, avoid generate mis-ignition ignition signal filter module.
Further include ignition times limitation module, limits multiple ignition control module and only export an ignition signal.
Module also is limited comprising repeatedly igniting, it includes engine speed detection module, the inspections of engine speed detection module
The ignition signal for inhibiting the multiple ignition control module output when engine speed reaches setting value is surveyed, lights a fire thus open again
Begin circulation ignition discharge igniting again igniting should be effective in low speed, be originally brought it about in embodiment lower than 2000 turns/
The case where dividing.
It is specific in the present embodiment:
Reference voltage module includes triode Q1, and triode Q1 collector connects positive pole VCC, base stage and collector it
Between connect resistance R1, base stage be connected with the capacitor C2 and zener diode DZ1 concatenated, the connection of zener diode DZ1 anode is electric
Hold mono- pin of C2 and connection power cathode, cathode connecting triode Q1 base stage, triode Q1 emitter be connected with concatenation R4,
Mono- foot of R5, R5 connects power cathode, and resistance R4, R5 form bleeder circuit, obtains reference voltage VR in the junction of resistance R4, R5；
Triode Q1 emitter is connected with resistance R10, R9 of concatenation, and resistance R10, R9 form bleeder circuit, and judgment component U1C is the same as mutually defeated
Enter the connection that end is connected to resistance R10, R9, obtains another reference voltage.
In the present embodiment, triode Q1, resistance R1, capacitor C2 and zener diode DZ1 form voltage regulator circuit, certainly, also
Voltage regulator circuit used in the prior art can be used to replace the voltage regulator circuit in the present embodiment.
Ignition signal filter module includes the capacitor C1 for the prime that judgment component U1B noninverting input is arranged in and is connected in parallel on
The resistance R3 at the both ends capacitor C1, the one end capacitor C1 are connect with judgment component U1B noninverting input, and the other end connects power cathode.
Drive module includes judgment component U1B, switch element Q2, and detection module is filled comprising judgment component U1C, primary coil
Electric current sampling resistor R15；Judgment component U1B noninverting input series resistor R7 rear tie points fire signal generation apparatus, resistance
The resistance R8 of the front end R7 connection ground connection, is connected with resistance between judgment component U1B noninverting input and judgment component U1B output end
R6, judgment component U1B reverse input end are connected with reference voltage VR, and judgment component U1B output end passes through resistance R13 connection switch
The base stage of element Q2, switch element Q2 collector are connect with primary coil, and the primary coil other end connects positive pole, transmitter
It connect with the one end primary charging coil current sampling resistor R15 and is connect by resistance 14 with judgment component U1C reverse input end,
Primary charging coil current sampling resistor R15 other end ground connection, judgment component U1C noninverting input are connected with resistance R10, R9's
It connects place's connection and its output end is connect with judgment component U1B output end, judgment component U1B output end passes through resistance R11 connection three
Pole pipe Q1 transmitter, judgment component U1C reverse input end are connected to output end by resistance R12.
Without under ignition signal state, judgment component U1B inverting input terminal voltage is higher than noninverting input, judgment component U1B
Export low potential；Ignition signal IN is generated when distributor pickup mechanism is controlled by automobile ECU, ignition signal IN is added in judgement
Element U1B non-inverting input terminal makes judgment component U1B non-inverting input terminal voltage be higher than reverse input end and overturn output high level,
The base stage that the high level is added in triode Q2 turns it on, and primary coil starts to charge, primary charging coil current sampling resistor
R15 monitors charging current, when charging current is higher than setting value Ia, i.e. voltage on primary charging coil current sampling resistor R15
Higher than judgment component U1C non-inverting input terminal voltage when, judgment component U1C is flipped, and judgment component U1C output end is by initial
High level become low level, so that triode Q2 base potential be dragged down, keep it turned off shutdown, then armature winding magnetizes knot
Beam is then lighted a fire in secondary winding charge；It circuits sequentially.
Multiple ignition control module includes judgment component U2A, secondary coil initial firing current sampling resistor R22, judgment component
The reverse input end of U2A is connected with reference voltage VR, and the non-inverting input terminal of judgment component U2A is connected to secondary by resistance R21
(hot end is connect the hot end of coil initial firing current sampling resistor R22 with the non-high-voltage end of secondary coil, and secondary coil is high
Pressure side is connect with spark plug), the secondary coil initial firing current sampling resistor R22 other end ground connection, the output end of judgment component U2A with
Diode D7 of the cathode towards its non-inverting input terminal is serially connected between non-inverting input terminal.
Original state, judgment component U2A output end is low level, since the cathode of diode D6 is connected to judgment component
U2A output end, at the beginning of secondary winding charge igniting, when secondary coil initial firing current If reaches setting value, secondary wire
It encloses initial firing current sampling resistor R22 and provides a trigger signal for judgment component U2A non-inverting input terminal, make judgment component U2A's
Low level overturning of the output end by is high level, generates an ignition signal again, thus generates repeatedly igniting.
It includes judgment component U2B, judgment component U4D that ignition times, which limit module, the reverse input end of judgment component U2B with
And the non-inverting input terminal of judgment component U4D is respectively connected with reference voltage VR, the non-inverting input terminal and judgment component of judgment component U2B
U2A output end, which is connected to and is connected with the non-inverting input terminal connecting pin of capacitor C4, the capacitor C4 and judgment component U2B, passes through current limliting
Resistance R19 connection positive pole, another pin ground connection of capacitor C4, the inverting input terminal of judgment component U4D are connect with capacitor C3, together
When pass through the output end of current-limiting resistance R18 connection judgment element U2B again, current-limiting resistance R18 is parallel with diode D5, diode D5
Towards the inverting input terminal of judgment component U4D, the output end of judgment component U2B is connected to by resistance R17 with positive pole anode,
Cathode is in series with towards judgment component U2A output end between the non-inverting input terminal and judgment component U2A output end of judgment component U2B
Diode D6, be serially connected with and positive mutually interconnect between the output end of judgment component U2B and the ignition signal input terminal of drive module
The anode of diode D3, the D4 connect, diode D3, D4 pass through resistance R16 connection positive pole and the output end of judgment component U4D
It is connect with the anode of diode D3, D4.
Original state, judgment component U2A output end is low level, since the cathode of diode D6 is connected to judgment component
U2A output end then causes it to drag down the current potential of judgment component U2B non-inverting input terminal, and judgment component U2B output end exports low electricity
It is flat, then the just extremely low level of diode D4；At the beginning of secondary winding charge igniting, as secondary coil initial firing current If
When reaching setting value, secondary coil initial firing current sampling resistor R22 provides a triggering letter for judgment component U2A non-inverting input terminal
Number, making low level overturning of the output end of judgment component U2A by is high level, and diode D6 clamping action is eliminated at this time,
The voltage raising of its anode then begins through resistance R19 and starts to charge to capacitor C4, and charging causes the voltage of capacitor C4 to increase, most
Causing the low level of judgment component U2B output end to overturn eventually is high level, is eliminated at this time in diode D4 clamping action, anode
It is changed into high level, the signal of the high level is added to the non-inverting input terminal of judgment component U1B by diode D3, then controls igniting
Transformer is lighted a fire again, and after the low level overturning of judgment component U2B output end is high level, the clamping action of diode D5 disappears
It removes, positive pole starts to charge to capacitor C3 by resistance R18, as the raising of capacitor C3 voltage makes judgment component U4D's
Output end is low level by initial high level overturning, so that diode D3 anodic potentials be dragged down by force, igniting stops again,
So that only once being lighted a fire, circulation is carried out after igniting again and sequentially forms multiple igniting.
It influences normally to light a fire in order to avoid lighting a fire again, is provided with igniting limitation module again, it includes judgment components
The non-inverting input terminal of U3C, judgment component U3C connect reference voltage VR, and reverse input end passes through resistance R2 connection ignition signal,
The output end of output end connection judgment element U2A.
Original state judgment component U3C output end is high level, when normal ignition signal enters judgment component U3C's
After reverse input end, judgment component U3C output end is low level by high level overturning, and by the output end of judgment component U2A
Current potential drags down, and blocking is lighted a fire again.
Repeatedly igniting limitation module includes ignition signal frequency detection module or engine speed detection module, the igniting
The output end of signal frequency detection module or engine speed detection module passes through the output end of diode D8 and judgment component U4D
Connection, diode D8 anode reach setting value in ignition signal frequency or engine speed towards the output end of judgment component U4D
When, the output end of ignition signal frequency detection module or engine speed detection module jumps to be exported for 0V, thus will judgement member
The output end clamper of part U4D is in 0V, so that multiple ignition signal be inhibited.
The non-inverting input terminal of judgment component U1B is connected to be connected to after a diode D1 and it is with two with ignition signal generation device
The connection of pole pipe D1 cathode, for judgment component U3C reverse input end by resistance R1 connection diode D1 anode, diode D1 can be by point
Fiery signal generation device is isolated with drive module input terminal and multiple ignition signal, to avoid multiple ignition signal to igniting
Signal generation device generates interference and influences.
See Fig. 2, ignition signal, charging current I1, discharge current I2 and the revolving speed of ignition times limitation module are not added
Control sequential figure；
See Fig. 3, ignition signal, charging current I1, discharge current I2 and the revolving speed control of ignition times limitation module is added
Timing diagram processed；
It should be noted that when ignition discharge by adjusting the parameter of resistance R19 and capacitor C4 to adjust secondary coil
Long t1, the waveform of discharge current I2 referring to fig. 2 adjust primary coil by adjusting the parameter of resistance R18 and capacitor C3
Charging duration t2, referring to the waveform of charging current I1；By adjusting ignition discharge duration t1 and charging duration t2, can to send out
The working performance of motivation reaches optimum state.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of multiple Iganition control system of automobile, it is characterised in that: the drive module including the work of drive ignition transformer is prevented
The only detection module of the primary coil overcurrent work of ignition transformer；
The drive module is connect with primary coil, and by detection primary current, whether overcurrent works the detection module
Generation judges signal and then controls drive module work；
It further include multiple ignition control module, multiple ignition control module detects secondary coil initial firing current and can be by the ignition power
Stream triggers and provides ignition signal at least once to drive module.
2. the multiple Iganition control system of a kind of automobile according to claim 1, it is characterised in that: further include ignition times limit
Molding block limits multiple ignition control module and only exports an ignition signal.
3. the multiple Iganition control system of a kind of automobile according to claim 1, it is characterised in that: further include that igniting again limits
Molding block can inhibit ignition signal again according to ignition signal.
4. the multiple Iganition control system of a kind of automobile according to claim 1 to 3, it is characterised in that: also comprising multiple
Igniting limitation module, it includes engine speed detection module, engine speed detection module detection engine speed, which reaches, to be set
Inhibit the ignition signal of the multiple ignition control module output when definite value.
5. the multiple Iganition control system of a kind of automobile according to claim 4, it is characterised in that: the drive module includes
Judgment component U1B, switch element Q2, the detection module include judgment component U1C, primary charging coil current sampling resistor
R15；Judgment component U1B noninverting input connects distributor pickup mechanism, and reverse input end is connected with reference voltage, judges member
The control terminal of part U1B output end connection switch element Q2, switch element Q2 first switch end are connect with primary coil, second switch
End is connect with primary charging coil one end current sampling resistor R15 and judgment component U1C reverse input end, primary charging coil
Current sampling resistor R15 other end ground connection, judgment component U1C noninverting input are connected with reference voltage and its output end and switch
The control terminal of element Q2 connects, and judgment component U1C reverse input end is connected to output end by resistance R12.
6. the multiple Iganition control system of a kind of automobile according to claim 2, it is characterised in that: the multiple ignition control
Module includes judgment component U2A, secondary coil initial firing current sampling resistor R22, and the reverse input end of judgment component U2A is connected with
Reference voltage, the non-inverting input terminal of judgment component U2A are connected to the hot end of secondary coil initial firing current sampling resistor R22；
Ignition times limitation module includes judgment component U2B, judgment component U4D, the reverse input end of judgment component U2B with
And the non-inverting input terminal of judgment component U4D is respectively connected with reference voltage, the non-inverting input terminal and judgment component of judgment component U2B
U2A output end, which is connected to and is connected with the non-inverting input terminal connecting pin of capacitor C4, the capacitor C4 and judgment component U2B, passes through current limliting
Resistance R19 connection positive pole, the inverting input terminal of judgment component U4D connect with capacitor C3 and simultaneously by current-limiting resistance R18
The output end of connection judgment element U2B, current-limiting resistance R18 are parallel with diode D5, and diode D5 anode is towards judgment component U4D
Inverting input terminal, the output end of the output end of judgment component U2B and judgment component U4D with the ignition signal of drive module
Input terminal connection.
7. the multiple Iganition control system of a kind of automobile according to claim 6, it is characterised in that: the judgment component U2B
Non-inverting input terminal and judgment component U2A output end between be in series with diode D6 of the cathode towards judgment component U2A output end,
It is serially connected with diode D7 of the cathode towards its non-inverting input terminal between the output end and non-inverting input terminal of judgment component U2A, judges
Anode diode D3, D4 interconnected are serially connected between the output end of element U2B and the ignition signal input terminal of drive module,
The anode of diode D3, D4 pass through the output end of resistance R16 connection positive pole and judgment component U4D and diode D3, D4
Anode connection.
8. the multiple Iganition control system of a kind of automobile according to claim 3, it is characterised in that: the igniting limitation again
Module includes judgment component U3C, and the non-inverting input terminal of judgment component U3C connects reference voltage, reverse input end connection igniting letter
Number, the output end of output end connection judgment element U2A.
9. the multiple Iganition control system of a kind of automobile according to claim 7, it is characterised in that: the multiple igniting limitation
Module includes ignition signal frequency detection module or engine speed detection module, the ignition signal frequency detection module or hair
The output end of motivation Rotating speed measring module is connect by diode D8 with the output end of judgment component U4D, diode D8 anode court
To the output end of judgment component U4D, when ignition signal frequency or engine speed reach setting value, ignition signal frequency detecting
The output end of module or engine speed detection module jumps as 0V output.
10. the multiple Iganition control system of a kind of automobile according to claim 8, it is characterised in that: the judgment component U1B
Non-inverting input terminal connect after a diode D1 with the connection of ignition signal generation device and its connect with diode D1 cathode, it is described
Judgment component U3C reverse input end connects diode D1 anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395317.XU CN208831130U (en) | 2018-08-28 | 2018-08-28 | A kind of multiple Iganition control system of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395317.XU CN208831130U (en) | 2018-08-28 | 2018-08-28 | A kind of multiple Iganition control system of automobile |
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| Publication Number | Publication Date |
|---|---|
| CN208831130U true CN208831130U (en) | 2019-05-07 |
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|---|---|---|---|
| CN201821395317.XU Expired - Fee Related CN208831130U (en) | 2018-08-28 | 2018-08-28 | A kind of multiple Iganition control system of automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058016A (en) * | 2018-08-28 | 2018-12-21 | 嘉兴德科发动机部件有限公司 | A kind of multiple Iganition control system of automobile |
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2018
- 2018-08-28 CN CN201821395317.XU patent/CN208831130U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058016A (en) * | 2018-08-28 | 2018-12-21 | 嘉兴德科发动机部件有限公司 | A kind of multiple Iganition control system of automobile |
| CN109058016B (en) * | 2018-08-28 | 2024-04-26 | 嘉兴德科发动机部件有限公司 | Automobile multiple ignition control system |
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