CN108869141A - continuous discharge ignition coil - Google Patents
continuous discharge ignition coil Download PDFInfo
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- CN108869141A CN108869141A CN201810713051.7A CN201810713051A CN108869141A CN 108869141 A CN108869141 A CN 108869141A CN 201810713051 A CN201810713051 A CN 201810713051A CN 108869141 A CN108869141 A CN 108869141A
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- coil
- group
- continuous discharge
- control circuit
- coil group
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
- F02P3/0407—Opening or closing the primary coil circuit with electronic switching means
- F02P3/0421—Opening or closing the primary coil circuit with electronic switching means with electronic tubes
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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 continuous discharge ignition coil, including input port, shell, output port, coil group, high-voltage diode group, control circuit；Input port connects external ignition signal, control circuit connects input port and receives external ignition signal, coil group is connected by high-voltage diode group with output port, output port connects spark plug, coil group is in parallel by multiple inductance coils, high-voltage diode group prevents from interfering with each other between coil, control circuit drives inductance coil staggeredly to discharge to form continuous discharge, the continuous discharge pulsewidth of ignition coil carries out On-line Control according to the pulsewidth length of external ignition signal, contain booster circuit in control circuit simultaneously, each inductance coil is supplied to after outer power voltage is boosted, it improves coil group energy storage value and shortens coil group energy storage time, be conducive to stablizing for high energy continuous discharge to be formed.Stable high energy continuous discharge is formed between engine spark plug gap, enhancing highly diluted expands dilution boundary than the stability of burning.
Description
Technical field
The present invention relates to spark-ignition engine technical field, specifically a kind of continuous discharge ignition coil is especially a kind of
Meet high energy continuous discharge ignition coil of the engine highly diluted than burning.
Background technique
Highly diluted is the key technology direction of alternate-engine than burning.However as the raising of thinner ratio, unstable combustion
It is qualitative to further increase, in order to reinforce highly diluted than burning, overheavy firing room turbulent flow is needed, this also gives successfully kindling to bring and chooses
War, advanced firing technique are to solve a kind of method of the engine highly diluted than combustion instability.The ignition energy of traditional sparking mode,
Electric discharge pulsewidth all receives the limitation of ignition system, and wherein the energy storage time of inductance type ignition system is long, is difficult guaranteeing to light a fire
The electric discharge duration is adjusted flexibly on the basis of energy, is unfavorable for highly diluted and develops than burned flame, though and capacitive discharge ignition system
Right energy storage time is short, but discharge time is also short, is unfavorable for starting and the speed operation of engine.
Patent document CN103244332A discloses a kind of multi-cylinder engine ignition system, including：Charging energy-storing module,
Wherein it is stored with electric energy；Multiple ignition coils, each cylinder configure an ignition coil；Light a fire distribution module, also with
Multiple ignition coil connections, igniting distribution module receive the electric energy of charging energy-storing module；Multiple spark plugs, each cylinder
A spark plug is configured, and each spark plug is connect with the ignition coil of corresponding cylinder；Control unit is determined to point
Fiery cylinder number, and control charging energy-storing module and give ignition coil multiple discharge；Feedback device is detected, detection is struck sparks
The ionic current between plug voltage and/or sparking-plug electrode afterwards；Wherein, control unit is according to the detection for detecting feedback device
As a result determine whether to be again started up charging energy-storing module again to the ignition coil multiple discharge of cylinder to be fired.It is above-mentioned
Ignition system can feed back ignition conditions, it is ensured that effectively igniting still, still has in the stability of igniting and duration
Shortcoming, is unable to satisfy igniting requirement of the engine highly diluted than burning.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of continuous discharge ignition coil, including it is input port, outer
Shell, output port, coil group, high-voltage diode group, control circuit；Coil group, high-voltage diode group, control circuit setting are outside
In shell；Input port connects external ignition signal, and control circuit connects input port, and control circuit receives external ignition signal,
Control the electric discharge of driving coil group；Coil group is connected by high-voltage diode group with output port, and output port connects spark plug.
Preferably, coil group is composed in parallel by multiple inductance coils, and each inductance coil passes through high-voltage diode group respectively
It is connected with output port.
Preferably, input port includes three lines, respectively power supply line, signal wire and ground wire, for connect external power supply and
Ignition signal.
Preferably, control circuit includes governor circuit, driving circuit, booster circuit；Governor circuit is outer according to what is received
Portion's ignition signal implements logic control to coil group, and governor circuit passes through the primary coil of driving circuit driving coil group, boosting
After circuit is boosted outer power voltage, the primary coil of coil group is supplied.
Preferably, governor circuit is staggeredly put according to multiple inductance coils in the control of external ignition signal and driving coil group
Electricity.
Preferably, the continuous discharge pulsewidth of coil group carries out On-line Control according to the pulsewidth length of external ignition signal, adjusts
Perfect square formula is control coil group high-frequency discharge number.
Preferably, it discharges simultaneously to multiple inductance coils first, then multiple inductance coils staggeredly discharge.
Preferably, coil group, high-voltage diode group, control circuit are encapsulated inside the shell by way of encapsulating.
Preferably, output port is connected by high-voltage conducting wires with spark plug.
Preferably, the breakdown reverse voltage of the high-voltage diode of high-voltage diode group is in 30kV or more.
Compared with prior art, the present invention has following beneficial effect：
1, the present invention is internally integrated more inductance coils in parallel in an ignition coil to drive an external spark plug, leads to
It crosses the independent control of inductance coil and the inductance coil discharge phase that is staggered, high energy continuous discharge can be formed at spark plug gap；
2, the present invention is internally integrated control circuit in ignition coil, and independent logical control can be carried out to each coil group, and
It can be according to the pwm value of external ignition signal pulsewidth on-line tuning ignition coil continuous discharge；
3, the present invention is integrated with booster circuit in the control circuit of ignition coil, and higher primary voltage can mention
The energy storage rate and energy storage size of high ignition coil.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structure chart of continuous discharge ignition coil；
Fig. 2 is the schematic diagram of application structure of continuous discharge ignition coil；
Fig. 3 is the Boost circuit figure of continuous discharge ignition coil；
Fig. 4 is the driving circuit figure of continuous discharge ignition coil.
It is shown in figure：
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
A kind of continuous discharge ignition coil provided according to the present invention, including input port 10, shell, output port 11,
Coil group 12, high-voltage diode group 13, control circuit；Coil group 12, high-voltage diode group 13, control circuit are arranged in shell
It is interior；Input port 10 connects external ignition signal, and control circuit connects input port 10, and control circuit is according to from input port
10 external ignition signal, control driving coil group 12 are discharged；Coil group 12 passes through high-voltage diode group 13 and output port 11
It is connected, output port 11 connects spark plug.Preferably, output port 11 is connected by conducting wire 14 with spark plug.Preferably, high pressure
13 breakdown reverse voltage of diode group is in 30kV or more.
Specifically, coil group 12 is mainly composed in parallel by multiple inductance coils, the secondary coil difference of each inductance coil
It is connected by high-voltage diode group 13 with output port 11, high-voltage diode group 13 is used to prevent interfering with each other between coil,
High-voltage diode group 13 includes the first high-voltage diode 6, the second high-voltage diode 7, third high-voltage diode 8, the 4th high pressure two
Pole pipe 9.As shown in Figure 1 and Figure 2, coil group 12 is mainly composed in parallel by four inductance coils, be denoted as respectively first coil component 2,
Second coil block 3, tertiary coil component 4, the 4th coil block 5, four inductance coils are integrated in one in form in parallel
To drive a spark plug in cell cube, each inductance coil staggeredly discharges, to form continuous discharge at spark plug gap.
Each inductance coil in ignition coil interior loop group 12 passes through corresponding high-voltage diode group 13 and output port 11
It is connected, prevents each inductance coil between coil group 12 from interfering with each other.Input port 10 includes three lines, respectively power supply
Line, signal wire and ground wire, power supply line connect external power supply, and signal wire connects external ignition signal.Ignition coil is internally integrated control
Circuit, control circuit include governor circuit, driving circuit, booster circuit；Governor circuit is connected with input port 10, from input terminal
Mouth 10 receives external ignition signals, and governor circuit implements logic controls to four inductance coils according to the external ignition signal received
System, governor circuit pass through the primary coil of driving circuit driving coil group 12, and booster circuit boosts outer power voltage
Afterwards, supply coil group 12 primary coil, the raising of primary coil service voltage be conducive to shorten primary coil energy storage time and
Increase energy storage value, is easy to implement the continuous discharge of stable high energy.Discharge type is：Four inductance coils carve at the beginning simultaneously into
Row energy storage and electric discharge form higher initial stage electric discharge, and then each inductance coil is staggered energy storage and discharge time, in coil group 12
Each inductance coil carry out high frequency multiple discharge, due to electric discharge dislocation can ensure that there is at least one inductor wire at each moment
Circle forms stable continuous discharge in output energy, to go out in spark plug gap.The pwm value of entire continuous discharge is according to outer
The pwm value of portion's ignition signal carries out on-line tuning, and adjustment mode is 12 high-frequency discharge number of control coil group.
Specifically, the continuous discharge pulsewidth of coil group 12 carries out On-line Control according to the pulsewidth length of external ignition signal,
Adjustment mode is 12 high-frequency discharge number of control coil group.
Specifically, coil group 12, high-voltage diode group 13, control circuit are encapsulated inside the shell by way of encapsulating.
As shown in figure 3, the booster circuit in control circuit 1 is Boost circuit, metal-oxide-semiconductor is realized by control circuit 1
High-speed switch realize boosting.In booster circuit, when metal-oxide-semiconductor Q1 conducting, 12V power supply charges to inductance L1,
Capacitor C1 discharges to load simultaneously, and when metal-oxide-semiconductor Q1 is closed, inductance L1 charges to capacitor C1, at this time capacitor C1
Voltage is higher than battery voltage.Diode D1 prevents capacitor C1 to inductance L1 back discharge in this circuit, and zener diode D2 is anti-
Only output voltage is excessively high.
As shown in figure 4, the driving circuit in control circuit 1 is to control metal-oxide-semiconductor Q2 by ignition coil internal control circuit
Switch realize ignition control, in the driving circuit, when control circuit 1 internal drive circuits export high level, metal-oxide-semiconductor Q2
Conducting, the primary coil energy storage of coil group 12 starts, and when driving circuit 1 is switched to low level by high level, metal-oxide-semiconductor Q2 is closed
It closes, the secondary coil of coil group 12 starts to discharge at this time, when the time of each high level of driving circuit is the energy storage of primary coil
Between, i.e., coil group 12 works as secondary electric discharge pulsewidth thus.
In use, multiple inductance coils in coil group 12 are carved at the beginning while carrying out energy storage and electric discharge, shape
It discharges at higher initial stage, then each inductance coil is staggered energy storage and discharge time, and it is more that each inductance coil carries out high frequency
Secondary electric discharge, since electric discharge dislocation can ensure that each moment has at least one inductance coil in output energy, thus in spark plug
Gap, which goes out, forms stable continuous discharge.Stable high energy continuous discharge is formed between engine spark plug gap, enhancing is high dilute
The stability than burning is released, dilution boundary is expanded.
Multiple coil groups 12 are integrated in cell cube in form in parallel, inside each control circuit containing governor circuit,
Booster circuit and driving circuit, wherein governor circuit is believed according to the control logic that external ignition signal exports four coil groups 12
Number, the charge and discharge control of four 12 primary coils of coil group is carried out through overdrive circuit.Electric discharge initial stage controls four coil groups 12
Then energy storage and electric discharge simultaneously carries out the discharge phase of four coil groups 12 wrong to form higher initial stage energy output
It opens, and each coil carries out high frequency multiple discharge respectively, stable is continuously put to be generated in ignition coil output port 11
Electricity.Furthermore pass through Boost circuit, the primary coil of each coil group 12 is powered after external power supply is boosted, is mentioned
High 12 energy storage value of coil group simultaneously shortens 12 energy storage time of coil group, is conducive to stablizing for high energy continuous discharge and is formed.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of continuous discharge ignition coil, which is characterized in that including input port (10), shell, output port (11), coil
Group (12), high-voltage diode group (13), control circuit (1)；
Coil group (12), high-voltage diode group (13), control circuit (1) setting are inside the housing；
Input port (10) connects external ignition signal, and control circuit (1) connects input port (10), control circuit (1) basis
The external ignition signal received from input port (10), control driving coil group (12) electric discharge；
Coil group (12) is connected by high-voltage diode group (13) with output port (11), and output port (11) connects spark plug.
2. continuous discharge ignition coil according to claim 1, which is characterized in that coil group (12) is mainly by multiple inductance
Coils from parallel connection of coils composition, each inductance coil pass through corresponding high-voltage diode group (13) and output port (11) phase respectively
Even.
3. continuous discharge ignition coil according to claim 1, which is characterized in that input port (10) includes three lines,
Respectively power supply line, signal wire and ground wire, power supply line, signal wire are respectively used to connection external power supply, ignition signal.
4. continuous discharge ignition coil according to claim 2, which is characterized in that control circuit (1) include governor circuit,
Driving circuit, booster circuit；
Governor circuit implements logic control to coil group (12) according to the external ignition signal received, and governor circuit passes through driving
The primary coil of circuit drives coil group (12) after booster circuit is boosted outer power voltage, supplies coil group (12)
Primary coil.
5. continuous discharge ignition coil according to claim 4, which is characterized in that governor circuit (1) is lighted a fire according to outside
Multiple inductance coils in signal control and driving coil group (12) staggeredly discharge.
6. continuous discharge ignition coil according to claim 4, which is characterized in that the continuous discharge pulsewidth of coil group (12)
On-line Control is carried out according to the pulsewidth length of external ignition signal, adjustment mode is control coil group (12) high-frequency discharge number.
7. continuous discharge ignition coil according to claim 4, which is characterized in that enable multiple inductance coils first while putting
Electricity, then multiple inductance coils staggeredly discharge.
8. continuous discharge ignition coil according to claim 1, which is characterized in that coil group (12), high-voltage diode group
(13), control circuit (1) is encapsulated inside the shell by way of encapsulating.
9. continuous discharge ignition coil according to claim 1, which is characterized in that output port (11) passes through conducting wire (14)
It is connected with spark plug.
10. continuous discharge ignition coil according to claim 1, which is characterized in that the high pressure of high-voltage diode group (13)
The breakdown reverse voltage of diode is in 30kV or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713051.7A CN108869141A (en) | 2018-06-29 | 2018-06-29 | continuous discharge ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713051.7A CN108869141A (en) | 2018-06-29 | 2018-06-29 | continuous discharge ignition coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869141A true CN108869141A (en) | 2018-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810713051.7A Pending CN108869141A (en) | 2018-06-29 | 2018-06-29 | continuous discharge ignition coil |
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| Country | Link |
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| CN (1) | CN108869141A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206673A (en) * | 2019-05-20 | 2019-09-06 | 上海交通大学 | High-energy discharge igniter and its control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673797U (en) * | 2010-05-13 | 2010-12-15 | 安徽祈艾特电子科技有限公司 | Four-cylinder igniting coil with kenetron |
| CN203189187U (en) * | 2013-05-03 | 2013-09-11 | 中国船舶重工集团公司第七�三研究所 | Ignition device of gas engine |
| CN106150826A (en) * | 2016-07-25 | 2016-11-23 | 同济大学 | A kind of repeatedly high-energy ignition system based on ion current closed loop control |
| CN107605636A (en) * | 2017-07-12 | 2018-01-19 | 北京航空航天大学 | A kind of engine integrated high-energy ignition system |
-
2018
- 2018-06-29 CN CN201810713051.7A patent/CN108869141A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673797U (en) * | 2010-05-13 | 2010-12-15 | 安徽祈艾特电子科技有限公司 | Four-cylinder igniting coil with kenetron |
| CN203189187U (en) * | 2013-05-03 | 2013-09-11 | 中国船舶重工集团公司第七�三研究所 | Ignition device of gas engine |
| CN106150826A (en) * | 2016-07-25 | 2016-11-23 | 同济大学 | A kind of repeatedly high-energy ignition system based on ion current closed loop control |
| CN107605636A (en) * | 2017-07-12 | 2018-01-19 | 北京航空航天大学 | A kind of engine integrated high-energy ignition system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206673A (en) * | 2019-05-20 | 2019-09-06 | 上海交通大学 | High-energy discharge igniter and its control method |
| CN110206673B (en) * | 2019-05-20 | 2020-04-28 | 上海交通大学 | High-energy discharge ignition device and control method thereof |
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Application publication date: 20181123 |