CN109236536A - Igniter - Google Patents
Igniter Download PDFInfo
- Publication number
- CN109236536A CN109236536A CN201710670469.XA CN201710670469A CN109236536A CN 109236536 A CN109236536 A CN 109236536A CN 201710670469 A CN201710670469 A CN 201710670469A CN 109236536 A CN109236536 A CN 109236536A
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- CN
- China
- Prior art keywords
- winding
- igniter
- connect
- ignition
- spark plug
- 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.)
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Classifications
-
- 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
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
- F02P3/055—Layout of circuits with protective means to prevent damage to the circuit, e.g. semiconductor devices or the ignition coil
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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 present invention provides a kind of igniter, which can cope with high voltage in the case where not destroying element.Igniter makes ignition spark plug light a fire, which has: ignition transformer (T3), has the armature winding (P3) and secondary windings (S3) electromagnetically coupled to each other；Battery (BT), connect with one end of armature winding；It switchs (Q1), connect with the other end of armature winding and turned on/off according to ignition signal；Saturable reactor (SL), it has the 1st winding (L1) and the 2nd winding (L2) electromagnetically coupled to each other, and there is saturable core, one end of the 1st winding and one end of secondary windings connect, and the other end of the 1st winding is connect with spark plug (12)；And reset circuit (13), the resetting voltage for resetting the magnetization of saturable core is applied to the both ends of the 2nd winding.
Description
Technical field
The present invention relates to the use of makes in the primary current for intermittently switching off ignition coil in the high voltage that primary side generates
The igniter of plug ignition.
Background technique
As igniter, it is known to igniter documented by such as patent document 1.Fig. 4 shows patent document 1 and is remembered
The ignition device for internal combustion of load.
In Fig. 4, the armature winding P1 and secondary windings S1 of ignition transformer T1 is wound in the opposite direction, carries out flyback
(flyback) it acts.Ignition apparatus control circuit 11 disconnects ignition switch Q1 according to the ignition signal inputted.Then, from electricity
Pond BT is cut off via the electric current that the armature winding P1 of ignition transformer T1 flows through ignition switch Q1.At this moment, by being breaking at
The electric current that is flowed through in armature winding P1 and sense high voltage at the both ends of secondary windings S1.Utilize what is generated in secondary windings S1
High voltage makes spark plug 12 light a fire, thus driving internal combustion engine.
In addition, Fig. 5 shows another example of existing igniter.Igniter driving shown in fig. 5 is by multi cylinder (figure
In be 4 cylinders) constitute engine, spark plug 12-1~12-4 equipped with quantity corresponding with number of cylinders.In igniting transformation
The primary side of device T2 be equipped with 4 secondary windings S2a~S2d, with secondary windings S2a~S2d it is correspondingly connected have switch SW1~
SW4 and spark plug 12-1~12-4.Switch SW1~SW4 is made of semiconductor elements such as MOSFET, by turn switching on/disconnecting
Each switch, can make spark plug 12-1~12-4 successively light a fire in a manner of being staggered on the time.
Patent document 1: Japanese Unexamined Patent Publication 5-248334 bulletin
However, applying in Fig. 4 and igniter shown in fig. 5 in the high voltage that secondary windings S1, S2a~S2d are generated
In diode D1 and switch SW1~SW4, it is therefore possible to can destroy these semiconductor elements.Therefore high voltage must be used
Semiconductor element, so as to cause cost raising.
Summary of the invention
The issue of the present invention is to provide cope with high voltage and can reduce the igniter of cost.
The igniter of technical solution of the present invention 1 is the igniter for making ignition spark plug light a fire, which is characterized in that institute
State igniter to have: ignition transformer has the armature winding and secondary windings electromagnetically coupled to each other；Battery, with institute
State one end connection of armature winding；Switch, connect with the other end of the armature winding and connects on/off according to ignition signal
It opens；Saturable reactor has the 1st winding and the 2nd winding electromagnetically coupled to each other, and has saturable core, the 1st winding
One end connect with one end of the secondary windings, the other end of the 1st winding is connect with the ignition spark plug；And it is multiple
Position circuit applies resetting voltage to the both ends of the 2nd winding, and the resetting voltage is used to make the magnetization of the saturable core
It resets.
The invention of technical solution 2 is to make the igniter of multiple ignition spark plug igniting, which is characterized in that the igniting dress
Set and have: ignition transformer has the armature winding and secondary windings electromagnetically coupled to each other；Battery, with it is described it is primary around
One end connection of group；Switch, connect with the other end of the armature winding and is turned on/off according to ignition signal；It is multiple full
And reactor, they are arranged correspondingly with the multiple ignition spark plug, and respectively have electromagnetically couple to each other the 1st around
Group and the 2nd winding, and respectively there is saturable core, one end of the 1st winding is connect with one end of the secondary windings, institute
The other end for stating the 1st winding is connect with the ignition spark plug；And multiple reset circuits, they and the multiple saturation reactance
Device is arranged correspondingly, applies resetting voltage to the both ends of the 2nd winding, the resetting voltage is for making the saturation iron
The magnetization of core resets.
The effect of invention
According to the present invention, when the high voltage pulse of the secondary windings generation in ignition transformer is applied to saturable reactor
When, the magnetized state of saturable core is in unsaturated region, therefore inductance is very high, and saturable reactor becomes the shape that switch disconnects
State.Then, the magnetized state of saturable core is made to become zone of saturation using high voltage pulse, inductance strongly reduces, therefore, saturation
Reactor becomes the state of switch connection, makes plug ignition.When the high voltage arteries and veins after high voltage pulse of transformer turns off
When the polarity reversion of punching, reset the magnetization of saturable core by applying the resetting voltage come self-resetting circuit.
Due to using saturable reactor in this wise, it copes with high voltage and can reduce cost.
Detailed description of the invention
Fig. 1 is the figure for showing the circuit structure of igniter of the embodiment of the present invention 1.
Fig. 2 is the figure for showing the circuit structure of igniter of the embodiment of the present invention 2.
Fig. 3 is for being saturated 4 be arranged in correspondence in the igniter of the embodiment of the present invention 2 with 4 cylinders
The timing diagram for 4 reset signals that reactor resets.
Fig. 4 is the figure for showing an example of existing igniter.
Fig. 5 is another figure for showing existing igniter.
Label declaration
11: ignition apparatus control circuit；
12,12-1~12-4: spark plug；
13,13-1~13-4: reset circuit；
15: reset control unit；
Q1: ignition switch；
BT: battery；
T1~T4: ignition transformer；
P1~P4: armature winding；
S1~S4: secondary windings；
RS1~RS4: reset signal；
SL, SL1~SL4: saturable reactor；
L1, L3, L5, L7: the 1st winding；
L2, L4, L6, L8: the 2nd winding.
Specific embodiment
Hereinafter, referring to attached drawing, the igniter for the embodiment that the present invention will be described in detail.
[embodiment 1]
Fig. 1 is the figure for showing the circuit structure of igniter of the embodiment of the present invention 1.The point of embodiment 1 shown in FIG. 1
The structure of the primary side of the ignition transformer T3 of fiery device is different from existing igniter shown in Fig. 4, therefore, to the part
Structure be illustrated.
Ignition transformer T3 has the armature winding P3 and secondary windings S3 electromagnetically coupled to each other.
The saturation that not shown magnetic material is constituted is wound in saturable reactor SL, the 1st winding L1 and the 2nd winding L2
It is electromagnetically coupled to each other on iron core.One end of 1st winding L1 is connect with one end of secondary windings S3, the other end of the 1st winding L1
It is connect with one end of spark plug 12.The other end of spark plug 12 is grounded.The both ends of 2nd winding are connect with reset circuit.Saturation electricity
Anti- device SL utilize from reset circuit be applied to the voltage of the 2nd winding L2 by the magnetized state of saturable core switch to saturation state,
Undersaturated condition.In the saturated condition, saturable core is not magnetized, and therefore, the inductance of armature winding L1 is very small.In unsaturation
Under state, saturable core is magnetized, and therefore, the inductance of armature winding L1 is very big.
Reset circuit 13 applies the resetting voltage for resetting the magnetization of saturable core to the 2nd winding L2.When to the 2nd around
When group L2 applies resetting voltage, saturable core is magnetized.That is, being reset.When the magnetization of saturable core is reset, saturable core
Magnetized state become unsaturated region, the inductance of the 1st winding L1 becomes very high.
Next, being illustrated to the movement of the igniter of the embodiment 1 constituted in this way.Firstly, igniter control electricity
Road 11 makes ignition switch Q1 become to disconnect from connection according to the ignition signal inputted.Then, become from battery BT via igniting
The electric current that the armature winding P3 of depressor T3 flows through ignition switch Q1 is cut off.
At this moment, high voltage is applied to the winding beginning side of armature winding P3 (using ● label), therefore secondary windings S3's
It winds beginning side (using ● label) and generates high voltage.Therefore, when the high voltage of the secondary windings S3 generation in ignition transformer T3
When pulse is applied to saturable reactor SL, the magnetized state of saturable core is in unsaturated region, therefore, the electricity of armature winding L1
Feel very high, electric current is without flow through armature winding L1, and therefore, saturable reactor SL is in switch off state.
Then, the magnetized state of saturable core is made to become zone of saturation, the electricity of armature winding L1 using high voltage pulse
Sense strongly reduces, so that electric current flows through armature winding L1, saturable reactor SL becomes switch connection state, by spark plug 12
It is applied to the high voltage of secondary windings S3 generation and spark plug 12 is made to light a fire.
Next, making ignition switch Q1 from disconnection according to the ignition signal inputted in ignition apparatus control circuit 11
Become to connect, thereby turn off the high voltage pulse of ignition transformer T3, inverts the polarity of high voltage pulse.Work as high voltage pulse
Polarity reversion when, using resetting the magnetization of saturable core come the resetting voltage of self-resetting circuit 13.That is, utilizing resetting voltage
The magnetized state of saturable core is set to become unsaturated region, the inductance of armature winding L1 is very high, so that electric current does not flow through just
Grade winding L1, therefore, saturable reactor SL becomes the state that switch disconnects.
In this way, switching circuit of the saturable reactor SL as on/off in the secondary windings S3 high voltage generated carries out
Therefore movement by the way that high voltage is applied to spark plug 12, can make spark plug 12 light a fire.
In addition, saturable core, 1st winding L1 and 2nd winding L2 structure of the saturable reactor SL to be made of magnetic material
At therefore, because few the case where the high voltage that secondary windings S3 is generated causes saturable reactor SL to destroy.Therefore, energy
It enough copes with high voltage and can reduce cost.
[embodiment 2]
Fig. 2 is the figure for showing the circuit structure of igniter of the embodiment of the present invention 2.The point of embodiment 1 shown in FIG. 1
The spark plug of fiery device is 1, and still, the igniter of embodiment 2 is characterized in that, with the engine being made of 4 cylinders
Accordingly it is equipped with 4 spark plug 12-1~12-4.Keep the movement of single plug ignition same as Example 1.Embodiment 2
In, so that 4 spark plug 12-1~12-4 is successively lighted a fire according to reset signal RS1~RS4 from reset control unit 15.
4 saturable reactor SL1~SL4 are arranged correspondingly with 4 spark plug 12-1~12-4.1st winding L1 with
2nd winding L2 is wound on saturable core and electromagnetically couples to each other.1st winding L3 and the 2nd winding L4 are wound on saturable core
And it electromagnetically couples to each other.1st winding L5 is wound on saturable core with the 2nd winding L6 and is electromagnetically coupled to each other.1st winding L7 with
2nd winding L8 is wound on saturable core and electromagnetically couples to each other.
One end of 1st winding L1 is connect with one end of secondary windings S4, and the other end of the 1st winding L1 is with spark plug 12-1's
One end connection.The other end of spark plug 12-1 is grounded.
One end of 1st winding L3 is connect with one end of secondary windings S4, and the other end of the 1st winding L3 is with spark plug 12-2's
One end connection.The other end of spark plug 12-2 is grounded.
One end of 1st winding L5 is connect with one end of secondary windings S4, and the other end of the 1st winding L5 is with spark plug 12-3's
One end connection.The other end of spark plug 12-3 is grounded.
One end of 1st winding L7 is connect with one end of secondary windings S4, and the other end of the 1st winding L7 is with spark plug 12-4's
One end connection.The other end of spark plug 12-4 is grounded.
4 reset circuit 13-1~13-4 are arranged correspondingly with 4 saturable reactor SL1~SL4.Reset circuit
13-1 applies resetting voltage to the both ends of the 2nd winding L2.Reset circuit 13-2 applies resetting voltage to the both ends of the 2nd winding L4.
Reset circuit 13-3 applies resetting voltage to the both ends of the 2nd winding L6.Reset circuit 13-4 applies the both ends of the 2nd winding L8 multiple
Position voltage.
Reset control unit 15 successively carries out drive control to each reset circuit of 4 reset circuit 13-1~13-4.
Next, referring to the timing diagram of each reset signal shown in Fig. 3, to the igniter of the embodiment 2 constituted in this way
Movement be illustrated.
Firstly, ignition apparatus control circuit 11 makes ignition switch Q1 become disconnected from connection according to the ignition signal inputted
It opens.Then, it is cut off from battery BT via the electric current that the armature winding P4 of ignition transformer T4 flows through ignition switch Q1.
Therefore, ignition transformer T4 secondary windings S4 generate high voltage pulse be applied to saturable reactor SL1~
One end of armature winding L1, L3, L5, L7 of SL4.
It is sent to reset circuit 13-1 from reset control unit 15 in moment t1, reset pulse RS1, therefore, reset circuit 13-
1 is supplied to resetting voltage the secondary windings L2 of saturable reactor SL1.The magnetized state of the saturable core of saturable reactor SL1
In unsaturated region, therefore, the inductance of armature winding L1 is very high, and saturable reactor SL becomes the state that switch disconnects.
Then, the magnetized state of the saturable core of saturable reactor SL1 is made to become zone of saturation, electricity using high voltage pulse
Sense strongly reduces, and therefore, saturable reactor SL1 becomes the state of switch connection, and spark plug 12-1 is made to light a fire.
Next, reset pulse RS2 is sent to reset circuit 13-2 from reset control unit 15 in moment t2, therefore, reset
Resetting voltage is supplied to saturable reactor SL2 by circuit 13-2.The magnetized state of the saturable core of saturable reactor SL2 is in not
Zone of saturation, therefore inductance is very high, saturable reactor SL2 becomes the state that switch disconnects.
Then, the magnetized state of the saturable core of saturable reactor SL2 is made to become zone of saturation, electricity using high voltage pulse
Sense strongly reduces, and therefore, saturable reactor SL2 becomes the state of switch connection, and spark plug 12-2 is made to light a fire.
Next, reset pulse RS3 is sent to reset circuit 13-3 from reset control unit 15 in moment t3, therefore, reset
Resetting voltage is supplied to saturable reactor SL3 by circuit 13-3.The magnetized state of the saturable core of saturable reactor SL3 is in not
Zone of saturation, therefore inductance is very high, saturable reactor SL3 becomes the state that switch disconnects.
Then, the magnetized state of the saturable core of saturable reactor SL3 is made to become zone of saturation, electricity using high voltage pulse
Sense strongly reduces, and therefore, saturable reactor SL3 becomes the state of switch connection, and spark plug 12-3 is made to light a fire.
Next, reset pulse RS4 is sent to reset circuit 13-4 from reset control unit 15 in moment t4, therefore, reset
Resetting voltage is supplied to saturable reactor SL4 by circuit 13-4.The magnetized state of the saturable core of saturable reactor SL4 is in not
Zone of saturation, therefore inductance is very high, saturable reactor SL4 becomes the state that switch disconnects.
Then, the magnetized state of the saturable core of saturable reactor SL4 is made to become zone of saturation, electricity using high voltage pulse
Sense strongly reduces, and therefore, saturable reactor SL4 becomes the state of switch connection, and spark plug 12-4 is made to light a fire.
In this way, according to the igniter of embodiment 2, can be made in a manner of being staggered on the time spark plug 12-1~12-4 according to
Secondary igniting.
In addition, saturable core, the 1st winding L1, L3, L5, the L7 of saturable reactor SL1~SL4 to be made of magnetic material
And the 2nd winding L2, L4, L6, L8 constitute, therefore, because secondary windings S4 generate high voltage and lead to saturable reactor
The case where SL1~SL4 is destroyed is few.Therefore, it copes with high voltage and can reduce cost.
Claims (3)
1. a kind of igniter, makes ignition spark plug light a fire, which is characterized in that
The igniter has:
Ignition transformer has the armature winding and secondary windings electromagnetically coupled to each other；
Battery is connect with one end of the armature winding；
Switch, connect with the other end of the armature winding and is turned on/off according to ignition signal；
Saturable reactor has the 1st winding and the 2nd winding that electromagnetically couple to each other, and has saturable core, the described 1st around
One end of group is connect with one end of the secondary windings, and the other end of the 1st winding is connect with the ignition spark plug；And
Reset circuit applies resetting voltage to the both ends of the 2nd winding, and the resetting voltage is used for the saturable core
Magnetized state switch to saturation state, undersaturated condition.
2. a kind of igniter makes multiple ignition spark plugs light a fire, which is characterized in that
The igniter has:
Ignition transformer has the armature winding and secondary windings electromagnetically coupled to each other；
Battery is connect with one end of the armature winding；
Switch, connect with the other end of the armature winding and is turned on/off according to ignition signal；
Multiple saturable reactors, they are arranged correspondingly with the multiple ignition spark plug, and respectively have electromagnetism each other
The 1st winding and the 2nd winding of coupling, and respectively there is saturable core, one end and the secondary windings of the 1st winding
One end connection, the other end of the 1st winding are connect with the ignition spark plug；And
Multiple reset circuits, they are arranged correspondingly with the multiple saturable reactor, apply to the both ends of the 2nd winding
Add resetting voltage, the resetting voltage is used to the magnetized state of the saturable core switching to saturation state, undersaturated condition.
3. igniter according to claim 2, which is characterized in that
The igniter has reset control unit, and the reset control unit is to each reset circuit in the multiple reset circuit
Successively carry out drive control.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016156221 | 2016-08-09 | ||
| JP2017135149A JP2018025190A (en) | 2016-08-09 | 2017-07-11 | Ignition device |
| JP2017-135149 | 2017-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109236536A true CN109236536A (en) | 2019-01-18 |
Family
ID=61194318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670469.XA Withdrawn CN109236536A (en) | 2016-08-09 | 2017-08-08 | Igniter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018025190A (en) |
| CN (1) | CN109236536A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1467262A (en) * | 1974-08-12 | 1977-03-16 | Lucas Electrical Ltd | Spark ignition systems for internal combustion engines |
| EP0191482B1 (en) * | 1985-02-12 | 1990-07-25 | Hitachi Metals, Ltd. | Dc-dc converter |
| US5184085A (en) * | 1989-06-29 | 1993-02-02 | Hitachi Metals, Ltd. | High-voltage pulse generating circuit, and discharge-excited laser and accelerator containing such circuit |
| JPH05248334A (en) * | 1993-01-19 | 1993-09-24 | Fuji Electric Co Ltd | Internal combustion engine ignition device |
| CN1367864A (en) * | 1999-02-26 | 2002-09-04 | 托马斯·C·马尔斯 | Ignition system for internal combustion engine |
| JP2003348845A (en) * | 2002-05-24 | 2003-12-05 | Fuji Electric Co Ltd | Reset system of saturable reactor |
| CN101622442A (en) * | 2007-03-01 | 2010-01-06 | 雷诺股份公司 | Control via a plurality of plug coils of a power stage |
| CN105264218A (en) * | 2013-06-04 | 2016-01-20 | 三菱电机株式会社 | Ignition device of spark-ignition internal combustion engine |
-
2017
- 2017-07-11 JP JP2017135149A patent/JP2018025190A/en active Pending
- 2017-08-08 CN CN201710670469.XA patent/CN109236536A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1467262A (en) * | 1974-08-12 | 1977-03-16 | Lucas Electrical Ltd | Spark ignition systems for internal combustion engines |
| EP0191482B1 (en) * | 1985-02-12 | 1990-07-25 | Hitachi Metals, Ltd. | Dc-dc converter |
| US5184085A (en) * | 1989-06-29 | 1993-02-02 | Hitachi Metals, Ltd. | High-voltage pulse generating circuit, and discharge-excited laser and accelerator containing such circuit |
| JPH05248334A (en) * | 1993-01-19 | 1993-09-24 | Fuji Electric Co Ltd | Internal combustion engine ignition device |
| CN1367864A (en) * | 1999-02-26 | 2002-09-04 | 托马斯·C·马尔斯 | Ignition system for internal combustion engine |
| JP2003348845A (en) * | 2002-05-24 | 2003-12-05 | Fuji Electric Co Ltd | Reset system of saturable reactor |
| CN101622442A (en) * | 2007-03-01 | 2010-01-06 | 雷诺股份公司 | Control via a plurality of plug coils of a power stage |
| CN105264218A (en) * | 2013-06-04 | 2016-01-20 | 三菱电机株式会社 | Ignition device of spark-ignition internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018025190A (en) | 2018-02-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |