CN209163986U - A kind of multiple-pulse long arc igniting quick burning system - Google Patents
A kind of multiple-pulse long arc igniting quick burning system Download PDFInfo
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- CN209163986U CN209163986U CN201821566548.2U CN201821566548U CN209163986U CN 209163986 U CN209163986 U CN 209163986U CN 201821566548 U CN201821566548 U CN 201821566548U CN 209163986 U CN209163986 U CN 209163986U
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- 238000002485 combustion reaction Methods 0.000 abstract description 16
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 6
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- 238000005474 detonation Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
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- 238000004140 cleaning Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004845 hydriding Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of multiple-pulse long arc igniting quick burning systems, including the ignition controller being sequentially connected electrically, ignition coil and spark plug, ignition controller is controlled by electronic control unit ECU, ignition distributor is serially connected between ignition coil and spark plug, the ignition end of spark plug is provided with the secondary capacitance being electrically connected with ignition distributor, the outer surface of secondary capacitance is equipped with the igniting anode array that multiple igniting anodes are arranged in, piston corresponding with spark plug is equipped with the igniting cathode array that multiple igniting cathode are arranged in, igniting anode is corresponded with point igniting cathode, and there are ignition gaps between igniting anode and igniting cathode；Ignition coil is electrically connected with coil power supply circuit.The utility model can form comprehensive multiple spot while light a fire, and mixture combustion is accelerated to realize quick burning, to improve burning degree of constant volume and promote further increasing for pressure ratio and compression ratio.
Description
Technical field
The utility model belongs to combustion system of engine technical field, more particularly, to a kind of for ignition internal combustion engine
Multiple-pulse long arc igniting quick burning system.
Background technique
With Global Oil imbalance between supply and demand aggravation and International Maritime emission regulation it is increasingly stringent, using natural gas as representative
Alternative fuel, due to rich reserves, discharge cleaning and combustion characteristics it is good the advantages that, become the important development of ship machine industry
One of direction.However, gas machine, due to being limited by detonation, is pressurized as uniform-charge Otto-engine under pure gas combustion mode
Than (pressure of supercharger outlet and the ratio of inlet pressure) and compression ratio (total measurement (volume) and top dead centre when lower dead center above piston
When piston above total measurement (volume) ratio) can not all further increase, so-called detonation refer to due to burn indoor gas pressure
It is excessively high with temperature, combustion mixture self-burning in the case where not lighting, and flame is with the speed higher than normal combustion several times
Degree is propagated outward, causes sharp engine knock sound；Furthermore (unit mass or the flammable of unit volume mix natural gas heat vale of mixture
Close gas level pressure or low heat value when constant volume completely burned in normal conditions) also lower than the diesel oil under the conditions of, dynamic property and warp
Ji property is not so good as conventional diesel；In addition, gas machine peculiar to vessel is to guarantee enough power outputs, cylinder diameter is larger, flame travel
Farther out, burning degree of constant volume (ratio that the medium appearance heat cycles of circulating-heating account for dual cycle) is lower, this is also further limited
The raising of engine power performance and economy is made.
In the prior art, large-bore vessel gas machine is generally used as sparking mode using diesel oil ignited, and has double fuel
With two kinds of operating modes of pure diesel oil.When substitution ratio of NG is smaller, be otherwise known as micro- spray pilot gas machine.Diesel oil ignited double combustions
Expect gas machine peculiar to vessel, due to having two sets of fuel feed systems, structure is relative complex, and the cost is relatively high, later maintenance requirement
Height, and as engine operating condition changes, different fuel supply ratio changes, or even single fuel firing model occurs,
It is big to control difficulty.
Research shows that gas machine peculiar to vessel is suitble to using " micro- spray ignition in hydriding formula double fuel gas machine or high-performance pure gas machine two
Seed type.Since natural gas heat vale of mixture is low, using power output Shortcomings when pure gas machine, gas machine cylinder diameter peculiar to vessel
Greatly, flame travel is remote, and burning degree of constant volume is low, and double fuel gas machine is compared in compression and diesel engine is low, and the thermal efficiency is not high.
Increase power output by improving pressure ratio and compression ratio and improve the thermal efficiency, it is several to will definitely increase pure gas machine detonation generation
Rate, there are bottlenecks for technology path.According to detonation genesis mechanism, detonation can be inhibited by accelerated combustion.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the technical issues of the utility model solves, is to provide one kind
Multiple-pulse long arc igniting quick burning system, can form comprehensive multiple spot while light a fire, accelerate mixture combustion to realize quick burning, to mention
Height burning degree of constant volume and promote further increasing for pressure ratio and compression ratio.
A kind of multiple-pulse long arc igniting that in order to solve the above technical problems, the technical scheme adopted by the utility model is:
Quick burning system, comprising: ignition controller, ignition coil and the spark plug being sequentially connected electrically, the ignition controller are controlled by hair
The electronic control unit ECU of motivation.
Be serially connected with ignition distributor between the ignition coil and the spark plug, the ignition end of the spark plug be provided with
The secondary capacitance of the ignition distributor electrical connection, the outer surface of the secondary capacitance are being equipped with the positive igniting being arranged in of multiple igniting just
Pole array, the piston in cylinder corresponding with the spark plug are equipped with the igniting cathode array that multiple igniting cathode are arranged in,
The igniting anode is corresponded with the igniting cathode, and there are between igniting between igniting anode and the igniting cathode
Gap.
The ignition coil is electrically connected with coil power supply circuit.
Further, the coil power supply circuit includes the inverter being sequentially connected electrically, step-up transformer, rectification circuit and master
Capacitor array, two output ends of the rectification circuit are electrically connected with the both ends of the main capacitance array respectively, the main capacitance battle array
Column are serially connected between the ignition coil and the ignition controller.
Further, the ignition coil includes primary coil and secondary coil, described primary coil one end and the igniting
Controller electrical connection, the primary coil other end is electrically connected with the main capacitance array, described secondary coil one end with it is described
Ignition distributor electrical connection, the secondary coil other end ground connection.
Further, the ignition controller includes switch element, the control terminal of the switch element and the electronic control
Unit ECU electrical connection, the first end of the switch element is electrically connected with the primary coil, the second end of the switch element and
The main capacitance array electrical connection.
Further, the rectification circuit is full-wave rectifying circuit, and the full-wave rectifying circuit includes four diodes.
Further, the multipair corresponding igniting anode is consistent with the ignition gap between the igniting cathode.
Further, the secondary capacitance is spherical secondary capacitance or cylindricality secondary capacitance.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
The utility model changes the setting position of tradition igniting positive and negative electrode.The ignition end of spark plug is provided with and divides
The secondary capacitance of electric appliance electrical connection, the outer surface of secondary capacitance are equipped with the igniting anode array that multiple igniting anodes are arranged in, with
The corresponding piston of spark plug is equipped with the igniting cathode array that multiple igniting cathode are arranged in, and igniting anode and igniting are negative
Pole corresponds, and there are ignition gaps between igniting anode and igniting cathode；Surrounding in combustion chamber is set to be evenly arranged multipair point
Thermoelectricity is extremely right, forms multi-pulse ignition.
When wherein a cylinder reaches ignition phase, the ignition controller closing coil for being controlled by electronic control unit ECU is supplied
Circuit, ignition coil form induced current, and ignition distributor connects the spark plug of igniting cylinder at this time, and fills for secondary capacitance rapidly
Electricity, when electricity reaches certain numerical value, by positive array of lighting a fire to the igniting cathode array electric discharge being installed on piston, formation is more
The igniting of pulse long arc, the entire combustion chamber of ignition point are covered with igniting electric pulse, form comprehensive multiple spot ignition mode simultaneously, reach
To the purpose of quick burning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model multiple-pulse long arc igniting quick burning system；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of plug ignition anode array in Fig. 1；
Fig. 4 is the structural schematic diagram of piston igniting cathode array in Fig. 1；
In figure: 1- piston, 2- igniting cathode array, 21- igniting cathode, the positive array of 3- igniting, 31- igniting is positive, 4-
Secondary capacitance, 5- spark plug, 6- ignition distributor, 7- ignition coil, 8- ignition controller, 9- electronic control unit ECU, 10- crankshaft
Position sensor, 11- CMPS Camshaft Position Sensor, 12- primary coil, 13- secondary coil, 14- main capacitance array, 15- all-wave
Rectification circuit, 16- step-up transformer, 17- inverter.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
It is common shown as shown in Figure 1 to Figure 4, multiple-pulse long arc igniting quick burning system, including the ignition control being sequentially connected electrically
Device 8, ignition coil 7 and spark plug 5, ignition controller 8 are controlled by electronic control unit ECU9,.The each combustion chamber pair of engine
One spark plug 5 should be set；In other words, the quantity of spark plug 5 and the quantity of cylinder are consistent.
Ignition coil 7 is electrically connected with coil power supply circuit；Ignition coil 7 includes primary coil 12 and secondary coil 13, point
Ignition distributor 6 is serially connected between the secondary coil 13 and spark plug 5 of firewire circle 7, i.e. 13 one end of secondary coil is electrically connected with ignition distributor 6
It connects, 13 other end of secondary coil ground connection.Spark plug 5 ignition end (far from 5 insulator of spark plug one end) be provided with
(ignition distributor 6 is electrically connected the secondary capacitance 4 that ignition distributor 6 is electrically connected by high-voltage line and the secondary capacitance 4 of the ignition end of spark plug 5
Connect, realize as the charging of secondary capacitance 4), secondary capacitance 4 is the spherical secondary electrical perhaps cylindricality secondary capacitance of big energy storage, secondary
The outer surface of capacitor 4 is equipped with the igniting anode array 3 that multiple igniting anodes 31 are arranged in, cylinder piston 1 corresponding with spark plug 5
End is equipped with the igniting cathode array 2 that multiple igniting cathode 21 are arranged in, igniting anode 31 and point in positive array 3 of lighting a fire
Igniting cathode 21 in fiery cathode array 2 corresponds matching, and there are between igniting between igniting anode 31 and igniting cathode 21
Gap.
The igniting anode array 3 of in from Fig. 2 to Fig. 4 as can be seen that 4 outer surface of secondary capacitance setting includes five and lights a fire just
Pole 31, the igniting cathode array 2 being arranged on piston 1 include five igniting cathode 21, and five igniting anodes 31 and five, which light a fire, to be born
Pole 21 corresponds matching respectively, forms five pairs of ignitors pair, in order to ensure multipair corresponding igniting anode 31 and igniting are negative
Ignition gap between pole 21 is consistent, can appropriate adjustment igniting cathode 21 and igniting anode height (that is five of 31
Cathode/five that light a fire light a fire positive height can be not exactly the same).4 outer surface of secondary capacitance is except the positive array 3 of laying igniting
Region in addition can be coated with insulating layer, it is ensured that the validity of ignition discharge.
Above-mentioned coil power supply circuit includes the inverter 17, step-up transformer 16 and full-wave rectifying circuit being sequentially connected electrically
15, wherein full-wave rectifying circuit 15 includes four diodes.15 two output ends of full-wave rectifying circuit respectively with main capacitance array
14 both ends electrical connection；Main capacitance array 14 is also serially connected between the primary coil 12 of ignition coil 7 and ignition controller 8, i.e.,
12 one end of primary coil is electrically connected with ignition controller 8, and 12 other end of primary coil is electrically connected with main capacitance array 14.Inverter
Direct current is converted to alternating current by 17, and step-up transformer 16 increases alternating voltage to meet rectification required voltage, then by
Alternating voltage is converted to unidirectional pulsating volage by full-wave rectifying circuit 15, and is charged for main capacitor array 14.
Ignition controller 8 includes switch element, and the control terminal of switch element is electrically connected with electronic control unit ECU9, is switched
The first end of element is electrically connected with primary coil 12, and the second end of switch element is connect with main capacitance array electricity 14.Switch element
It can be the on-off switch that power transistor GTR, triode, field-effect transistor or insulated gate field effect transistor etc. can be controlled.
Electronic control unit ECU is according to crankshaft position sensor and the CMPS Camshaft Position Sensor transmission being connected electrically
The angular phase (also referred to as sentencing cylinder) of dynamic operation is started in signal, judgement, and calculates engine speed.It is known for specifically sentencing cylinder principle
Technology, this will not be repeated here.
Concrete operating principle:
Direct current is converted to by alternating current by inverter 17 first, and is increased circuit voltage with step-up transformer 16,
Then alternating voltage is converted into unidirectional pulsating volage with full-wave rectifying circuit 15, and charged for main capacitor array 14.Electronics control
The signal of unit ECU9 acquisition CMPS Camshaft Position Sensor 11 and crankshaft position sensor 10 processed, and to the logical of ignition controller 8
It is disconnected to be controlled.When wherein a cylinder reaches ignition phase, ignition controller 8 connects the primary coil 12 of ignition coil 7, main electricity
Hold array 14 to discharge, and form induced current in the secondary coil of ignition coil 7 13, ignition distributor 6 connects igniting cylinder at this time
Spark plug 5, and the secondary capacitance 4 of the 5 ignition end of spark plug charges rapidly, when electricity reaches certain numerical value, passes through secondary
The positive array 3 of igniting of the charging of capacitor 4 outer surface discharges to the igniting cathode array 2 being installed on piston 1, and it is long to form multiple-pulse
Arc ignition, and the indoor gaseous mixture that entirely burns is lighted rapidly, to realize quick burning.
To sum up, by being evenly arranged multipair ignitor pair in combustion chamber surrounding, the length of reachable combustion chamber distal end is generated
Electric pulse forms comprehensive multiple spot ignition mode simultaneously, to realize quick burning.Burning degree of constant volume can be improved in quick burning, and reduces
Detonation occurrence probability, this can be mentioned to develop high-performance (strong power output, high thermal efficiency) gas machine of big pressure ratio and compression ratio
For technical guarantee.In short, the utility model is efficiently solved because improving pressure ratio and compression ratio, it is motor-driven to improve large-diameter gas
When power and the thermal efficiency, caused detonation problem；Also it is remote to solve large-diameter gas machine flame travel, burning degree of constant volume is low
The problem of.
This programme is not limited only to large-bore vessel gas machine, can be used for any type of ignition internal combustion engine.
The above is the preferred embodiment of the utility model, is not intended to limit the utility model, all in this reality
With any modification made within novel spirit and principle, etc. same multiple-pulse long arc igniting quick burning system and controlling party
The improvement of method, should be included in the protection scope of the utility model.
Claims (7)
- The quick burning system 1. a kind of multiple-pulse long arc is lighted a fire, comprising: ignition controller, ignition coil and the spark being sequentially connected electrically Plug, the ignition controller are controlled by the electronic control unit ECU of engine, which is characterized in thatBe serially connected with ignition distributor between the ignition coil and the spark plug, the ignition end of the spark plug be provided with it is described The secondary capacitance of ignition distributor electrical connection, the outer surface of the secondary capacitance are equipped with the igniting anode battle array that multiple igniting anodes are arranged in It arranges, the piston in cylinder corresponding with the spark plug is equipped with the igniting cathode array that multiple igniting cathode are arranged in, described Igniting anode is corresponded with the igniting cathode, and there are ignition gaps between igniting anode and the igniting cathode；The ignition coil is electrically connected with coil power supply circuit.
- The quick burning system 2. multiple-pulse long arc as described in claim 1 is lighted a fire, which is characterized in that the coil power supply circuit packet Include the inverter being sequentially connected electrically, step-up transformer, rectification circuit and main capacitance array, two output ends point of the rectification circuit It is not electrically connected with the both ends of the main capacitance array, the main capacitance array is serially connected with the ignition coil and the ignition control Between device.
- The quick burning system 3. multiple-pulse long arc as claimed in claim 2 is lighted a fire, which is characterized in that the ignition coil includes just Grade coil and secondary coil, described primary coil one end be electrically connected with the ignition controller, the primary coil other end and The main capacitance array electrical connection, described secondary coil one end are electrically connected with the ignition distributor, another termination of secondary coil Ground.
- The quick burning system 4. multiple-pulse long arc as claimed in claim 3 is lighted a fire, which is characterized in that the ignition controller includes Switch element, the control terminal of the switch element are electrically connected with the electronic control unit ECU, the first end of the switch element It is electrically connected with the primary coil, the second end of the switch element is electrically connected with the main capacitance array.
- The quick burning system 5. multiple-pulse long arc as claimed in claim 2 is lighted a fire, which is characterized in that the rectification circuit is all-wave Rectification circuit, the full-wave rectifying circuit include four diodes.
- The quick burning system 6. multiple-pulse long arc as described in claim 1 is lighted a fire, which is characterized in that the multipair corresponding igniting The positive ignition gap between the igniting cathode is consistent.
- The quick burning system 7. multiple-pulse long arc as described in claim 1 is lighted a fire, which is characterized in that the secondary capacitance is spherical shape Secondary capacitance or cylindricality secondary capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821566548.2U CN209163986U (en) | 2018-09-25 | 2018-09-25 | A kind of multiple-pulse long arc igniting quick burning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821566548.2U CN209163986U (en) | 2018-09-25 | 2018-09-25 | A kind of multiple-pulse long arc igniting quick burning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209163986U true CN209163986U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821566548.2U Active CN209163986U (en) | 2018-09-25 | 2018-09-25 | A kind of multiple-pulse long arc igniting quick burning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209163986U (en) |
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2018
- 2018-09-25 CN CN201821566548.2U patent/CN209163986U/en active Active
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