CN1556564A - Ultra high energy spark plug - Google Patents
Ultra high energy spark plug Download PDFInfo
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- CN1556564A CN1556564A CNA200310122034XA CN200310122034A CN1556564A CN 1556564 A CN1556564 A CN 1556564A CN A200310122034X A CNA200310122034X A CN A200310122034XA CN 200310122034 A CN200310122034 A CN 200310122034A CN 1556564 A CN1556564 A CN 1556564A
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- 239000012212 insulator Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 12
- 230000015556 catabolic process Effects 0.000 description 4
- 210000002381 plasma Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
本发明涉及一种内燃机点火系统所用的超高能火花塞。主要由壳体1、侧电极2、绝缘体3组成，侧电极2的下端是侧电极放电端4。在壳体内部有一高压电极5和一高能电极6，两个电极与外壳三者之间由绝缘体隔开。高能电极与高压电极的布置形式可以采取多种形式。放电分为高压电极放电和高能电极放电两个步骤。通过高压放电产生的气体等离子体使高能电极与侧电极之间产生高能放电火花，其单次能量放电可以达到20焦耳以上。本发明可以大幅度地扩大发动机缸内混合气的稀薄燃烧极限，从而起到降低发动机排放以及提高发动机经济性的目的。
The invention relates to an ultra-high-energy spark plug used in an ignition system of an internal combustion engine. It is mainly composed of a casing 1 , a side electrode 2 and an insulator 3 , and the lower end of the side electrode 2 is a side electrode discharge end 4 . There is a high-voltage electrode 5 and a high-energy electrode 6 inside the casing, and the two electrodes are separated from the casing by an insulator. The arrangement of high-energy electrodes and high-voltage electrodes can take various forms. The discharge is divided into two steps: high-voltage electrode discharge and high-energy electrode discharge. The gas plasma generated by the high-voltage discharge causes a high-energy discharge spark to be generated between the high-energy electrode and the side electrode, and its single energy discharge can reach more than 20 joules. The invention can greatly expand the lean combustion limit of the mixed gas in the cylinder of the engine, so as to achieve the purpose of reducing engine emission and improving engine economy.
Description
Technical field
The present invention relates to the used spark plug technology of a kind of ignition system of internal combustion engine.
Background technology
The spark plug that present ignition system of internal combustion engine is used, form by housing, central electrode and lateral electrode, its middle shell and lateral electrode are made one by welding, are insulator between housing and central electrode, and the lower end of central electrode and lateral electrode is electrode discharge end separately.During work,, make the gas between central electrode and the lateral electrode discharge end breakdown, produce sparkover central electrode input pulse high-voltage signal (voltage reaches more than 10000 volts).The shortcoming of this kind firing technique is that the sparkover energy can only reach in 100 milli Jiao.The reason of restriction spark plug discharge energy is: puncture two gases between the electrode discharge end, the relation of being inversely proportional between the output current of the high-tension electricities of needs more than 10,000 volts, and the employed element that boosts of generation high electric field pulse---high-tension coil and the output voltage.Therefore can't accomplish high voltage and big electric current simultaneously, discharge power is restricted like this.Because discharge energy is limited, the Weak mixture of this spark plug in can not the ignition engine cylinder is not suitable for the engine application at lean burn.But the combustion process that the engine of lean burn can be realized efficiently, clean is the developing direction of following internal combustion engine.
Summary of the invention
The objective of the invention is to provide a kind of extrahigh energy spark plug, make spark plug can utilize the high-voltage breakdown spark plug gap, can realize heavy-current discharge again, thereby the energy of discharge pulse is risen significantly.
Know-why of the present invention is: a discharge process of present spark plug high-voltage breakdown electrode gap is decomposed into: the high-voltage breakdown electrode gap also produces plasma, and then these two processes of high-energy discharge of igniting.Since the high-energy discharge process need not be very high voltage (1000V-3000V), need not adopt simultaneously the pulsed electronic component (for example high-tension coil that uses at present) that boosts, therefore can realize the purpose of big electric current high-energy discharge.To achieve these goals, proposed following design: the extrahigh energy spark plug is made up of housing 1, lateral electrode 2, insulator 3, and insulator 3 is positioned at housing 1 inside, and the lower end of lateral electrode 2 is lateral electrode discharge ends 4.Characteristic point is: a high-field electrode 5 and a high energy electrode 6 are arranged in housing 1 inside, separate by insulator 3 between high-field electrode 5, high energy electrode 6 and shell 1 three, upper end at insulator 3, one extension 7 is arranged, its length is greater than 10mm, and the lower end of high-field electrode 5 is high-field electrode discharge ends 8, and the lower end of high energy electrode 6 is high energy electrode discharge ends 9, distance between high-field electrode discharge end 8 and the lateral electrode discharge end 4 is less than the distance between high-field electrode discharge end 8 and the high energy electrode discharge end 9.Purpose is after high electric field pulse of high-field electrode input 10 inputs, at first between high-field electrode discharge end 8 and lateral electrode discharge end 4, produce sparkover, plasma that is produced and then the high-energy discharge process between high energy electrode discharge end 9 and the lateral electrode discharge end 4 of igniting.
Description of drawings
Below in conjunction with accompanying drawing and two embodiment the present invention is described in further details.
Fig. 1 is the structure chart of an embodiment of extrahigh energy spark plug.
Fig. 2 is in the foregoing description, the schematic diagram of flashing discharge between high-field electrode discharge end and the lateral electrode discharge end 4.
Fig. 3 is in the foregoing description, and the schematic diagram of high-energy spark discharge takes place between high energy electrode discharge end 9 and the lateral electrode discharge end 4.
Fig. 4 is the spark plug configuration figure of another embodiment.
Embodiment
As shown in Figure 1, the extrahigh energy spark plug is made up of housing 1, lateral electrode 2, insulator 3, and its middle shell 1 and lateral electrode 2 are by being welded and fused.Insulator 3 is positioned at housing 1 inside, and the bottom of housing 1 has one rib-loop 11 is installed, and the lower end of lateral electrode 2 is lateral electrode discharge ends 4.In housing 1 inside, a high-field electrode 5 and a high energy electrode 6 are arranged, separate by insulator 3 between high-field electrode 5, high energy electrode 6, shell 1 three.The lower end of high-field electrode 5 is high-field electrode discharge ends 8, and the upper end is a high-field electrode input 10.The lower end of high energy electrode 6 is high energy electrode discharge ends 9, and the upper end is a high energy electrode input 12.Distance between high-field electrode discharge end 8 and the lateral electrode discharge end 4 is less than the distance between high-field electrode discharge end 8 and the high energy electrode discharge end 9.High energy electrode 6 is shaped as a cylinder, is arranged in the center of discharge plug, and the shape of high-field electrode 5 is hollow cylindrical tube, is enclosed within the outside of high energy electrode 6.Insulator 3 used materials belong to high temperature ceramic material, and present embodiment is made with alumina ceramic material.The material of lateral electrode discharge end 4, high-field electrode discharge end 8, high energy electrode discharge end 9 these three discharge ends is made by refractory metal material, and present embodiment uses the nickel metal.Discharge between high-field electrode input 10 and high energy electrode input 12, in the upper end of insulator 3, extend cylinder 7, play buffer action, its length must be greater than 10mm.In order to reduce the gas leak phenomenon of spark plug, between insulator 3 and housing 1, a gasket seal 13 is arranged.
The discharge process that the present invention realized divides two steps---high-field electrode discharge process and high energy electrode discharge process.Fig. 2 is in the foregoing description, the schematic diagram of flashing discharge between high-field electrode discharge end 8 and the lateral electrode discharge end 4.Spark-plug shell 1 is by rib-loop 11 ground connection, between high energy electrode 6 and ground and electric capacity 14 arranged, before the discharge, power supply 15 charges to electric capacity earlier, electric capacity both end voltage after the charging is less than the self-breakdown voltage between high energy electrode discharge end 9 and the lateral electrode discharge end 4, concrete voltage is between 1000 volts to 3000 volts, and this moment, spark plug was in wait state.If at high electric field pulse 18 of high-field electrode input 10 inputs, the spark 16 of a little energy at first appears between high-field electrode discharge end 5 and lateral electrode discharge end 4, and this process is equivalent to common spark plug discharge process.In this discharge process, can produce many gaseous plasmas, under the effect of this plasma, produce high-energy discharge spark 17 between high energy electrode discharge end 9 and the lateral electrode discharge end 4, be stored in the electric energy in the electric capacity 14, in the extremely short time, discharge, as shown in Figure 3.The single energy of this discharge process can reach more than 20 joules.
In the enforcement, high energy electrode 6 can be taked various ways with the arrangement form of high-field electrode 5, such as the position of the high-field electrode among Fig. 15 and the position of high energy electrode 6 being exchanged, that is: high-field electrode 5 is shaped as a cylinder, be arranged on the center of spark plug, the shape of high energy electrode 6 is hollow cylindrical tube, is enclosed within the outside of high-field electrode 5.The position of lateral electrode discharge end 4 also needs to be adjusted accordingly, and makes it to meet distance between high-field electrode discharge end 10 and the lateral electrode discharge end 4 less than the requirement of distance between high-field electrode discharge end 8 and the high energy electrode discharge end 9.
Fig. 4 is another kind of execution mode: the shape of high-field electrode 5 and high energy electrode 6 all is cylinders, must meet distance between high-field electrode discharge end 8 and the lateral electrode discharge end 4 equally less than the requirement of distance between high-field electrode discharge end 8 and the high energy electrode discharge end 9.Discharge between high-field electrode 5 inputs 10 and high energy electrode input 12, in the upper end of insulator 3, extend cylinder 7, its length equally need be greater than 10mm.High energy electrode input 1 is designed to elbow structure, is convenient to be connected with control line.Certainly high-field electrode 5 among Fig. 4 and the position between the high energy electrode 6 also can be exchanged, adjust lateral electrode discharge end 4 positions simultaneously, make it to meet distance between high-field electrode discharge end 8 and the lateral electrode discharge end 4 less than the requirement of distance between high-field electrode discharge end 8 and the high energy electrode discharge end 9.
Experimental results show that, extrahigh energy spark plug proposed by the invention, can reach the above pulse discharging energy of 20J, can enlarge the lean burn limit of gaseous mixture in the engine cylinder significantly, thereby play the purpose that reduces engine emission and improve the engine economy.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200310122034XA CN1556564A (en) | 2003-12-31 | 2003-12-31 | Ultra high energy spark plug |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200310122034XA CN1556564A (en) | 2003-12-31 | 2003-12-31 | Ultra high energy spark plug |
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| CN1556564A true CN1556564A (en) | 2004-12-22 |
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Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310422B (en) * | 2005-11-14 | 2012-06-20 | 雷诺股份公司 | Sparkplug for an internal combustion engine |
| CN106677899A (en) * | 2015-11-06 | 2017-05-17 | 李扬远 | Energy-saving type vehicle-using pure electric arc engine technology |
| CN109083797A (en) * | 2018-10-26 | 2018-12-25 | 大连民族大学 | A kind of plasma igniter with outlet inclined hole and multianode structure |
| CN109162852A (en) * | 2018-10-26 | 2019-01-08 | 大连民族大学 | Double discharge mode plasma igniters with multianode structure |
| CN109162854A (en) * | 2018-10-26 | 2019-01-08 | 大连民族大学 | A kind of control method of double discharge mode plasma igniters |
| CN109162853A (en) * | 2018-10-26 | 2019-01-08 | 大连民族大学 | A kind of double discharge mode plasma igniters |
| CN109185005A (en) * | 2018-10-26 | 2019-01-11 | 大连民族大学 | A kind of plasma igniter application method with fuel channel |
| CN109209725A (en) * | 2018-10-26 | 2019-01-15 | 大连民族大学 | A kind of plasma igniter with Double-positive-pole structure |
| CN109209724A (en) * | 2018-10-26 | 2019-01-15 | 大连民族大学 | A kind of plasma igniter with double air inlets and Double-positive-pole structure |
| CN109253022A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of double discharge plasma igniters with double air inlet multianode structures |
| CN109253023A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with double air inlet multianode structures |
| CN109253030A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with air inlet inclined hole and eccentric Double-positive-pole structure |
| CN109253017A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter working method with double inlet structures |
| CN109253019A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter application method with flaring grounding electrode export structure |
| CN109253029A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with flaring grounding electrode export structure |
| CN109253026A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of double discharge plasma igniters with double air inlet Double-positive-pole structures |
| CN109253025A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | Double discharge mode plasma igniters with eccentric Double-positive-pole structure |
| CN109253021A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | Double discharge mode plasma igniters with combined anode structure |
| CN109253027A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with hollow vent electrode and multianode structure |
| CN109268190A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter with the double discharge modes of double air inlets |
| CN109268188A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter control method with multianode structure |
| CN109268187A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of double plasma discharging igniters of double air inlets |
| CN109268189A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter application method with air duct and fuel channel |
| CN109268191A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of double discharge plasma igniters with double air inlet bias anode constructions |
| CN109340018A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A kind of plasma igniter with double air inlet and multi-anode structure |
| CN109340016A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A plasma igniter with double air intake and eccentric double anode structure |
| CN109340014A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A working method of a dual discharge mode plasma igniter with a single fuel inlet |
| CN109340017A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A Plasma Combustion Exciter with Dual Working Modes of Combustion Support and Ignition |
| CN109404197A (en) * | 2018-10-26 | 2019-03-01 | 大连民族大学 | A kind of igniter with double air inlet bias Double-positive-pole structures |
| CN109441689A (en) * | 2018-10-26 | 2019-03-08 | 大连民族大学 | A kind of igniter working method with fuel channel and hollow anode structure |
| CN109441690A (en) * | 2018-10-26 | 2019-03-08 | 隆成利达（大连）科技有限公司 | Dual discharge mode plasma igniter |
| CN109458285A (en) * | 2018-10-26 | 2019-03-12 | 隆成利达（大连）科技有限公司 | Ignition method of double-ionization-mode plasma igniter with ring-column double-anode structure |
| CN109458286A (en) * | 2018-10-26 | 2019-03-12 | 大连民族大学 | A kind of igniter working method with fuel channel and air inlet inclined hole |
-
2003
- 2003-12-31 CN CNA200310122034XA patent/CN1556564A/en active Pending
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310422B (en) * | 2005-11-14 | 2012-06-20 | 雷诺股份公司 | Sparkplug for an internal combustion engine |
| CN106677899A (en) * | 2015-11-06 | 2017-05-17 | 李扬远 | Energy-saving type vehicle-using pure electric arc engine technology |
| CN109083797A (en) * | 2018-10-26 | 2018-12-25 | 大连民族大学 | A kind of plasma igniter with outlet inclined hole and multianode structure |
| CN109162852A (en) * | 2018-10-26 | 2019-01-08 | 大连民族大学 | Double discharge mode plasma igniters with multianode structure |
| CN109162854A (en) * | 2018-10-26 | 2019-01-08 | 大连民族大学 | A kind of control method of double discharge mode plasma igniters |
| CN109162853A (en) * | 2018-10-26 | 2019-01-08 | 大连民族大学 | A kind of double discharge mode plasma igniters |
| CN109185005A (en) * | 2018-10-26 | 2019-01-11 | 大连民族大学 | A kind of plasma igniter application method with fuel channel |
| CN109209725A (en) * | 2018-10-26 | 2019-01-15 | 大连民族大学 | A kind of plasma igniter with Double-positive-pole structure |
| CN109209724A (en) * | 2018-10-26 | 2019-01-15 | 大连民族大学 | A kind of plasma igniter with double air inlets and Double-positive-pole structure |
| CN109253022A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of double discharge plasma igniters with double air inlet multianode structures |
| CN109253023A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with double air inlet multianode structures |
| CN109253030A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with air inlet inclined hole and eccentric Double-positive-pole structure |
| CN109253017A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter working method with double inlet structures |
| CN109253019A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter application method with flaring grounding electrode export structure |
| CN109253029A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with flaring grounding electrode export structure |
| CN109253026A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of double discharge plasma igniters with double air inlet Double-positive-pole structures |
| CN109253025A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | Double discharge mode plasma igniters with eccentric Double-positive-pole structure |
| CN109253021A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | Double discharge mode plasma igniters with combined anode structure |
| CN109253027A (en) * | 2018-10-26 | 2019-01-22 | 大连民族大学 | A kind of plasma igniter with hollow vent electrode and multianode structure |
| CN109268190A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter with the double discharge modes of double air inlets |
| CN109268188A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter control method with multianode structure |
| CN109268187A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of double plasma discharging igniters of double air inlets |
| CN109268189A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of plasma igniter application method with air duct and fuel channel |
| CN109268191A (en) * | 2018-10-26 | 2019-01-25 | 大连民族大学 | A kind of double discharge plasma igniters with double air inlet bias anode constructions |
| CN109340018A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A kind of plasma igniter with double air inlet and multi-anode structure |
| CN109340016A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A plasma igniter with double air intake and eccentric double anode structure |
| CN109340014A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A working method of a dual discharge mode plasma igniter with a single fuel inlet |
| CN109340017A (en) * | 2018-10-26 | 2019-02-15 | 大连民族大学 | A Plasma Combustion Exciter with Dual Working Modes of Combustion Support and Ignition |
| CN109404197A (en) * | 2018-10-26 | 2019-03-01 | 大连民族大学 | A kind of igniter with double air inlet bias Double-positive-pole structures |
| CN109441689A (en) * | 2018-10-26 | 2019-03-08 | 大连民族大学 | A kind of igniter working method with fuel channel and hollow anode structure |
| CN109441690A (en) * | 2018-10-26 | 2019-03-08 | 隆成利达（大连）科技有限公司 | Dual discharge mode plasma igniter |
| CN109458285A (en) * | 2018-10-26 | 2019-03-12 | 隆成利达（大连）科技有限公司 | Ignition method of double-ionization-mode plasma igniter with ring-column double-anode structure |
| CN109458286A (en) * | 2018-10-26 | 2019-03-12 | 大连民族大学 | A kind of igniter working method with fuel channel and air inlet inclined hole |
| CN109162854B (en) * | 2018-10-26 | 2021-05-04 | 大连民族大学 | A kind of control method of double discharge mode plasma igniter |
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