CN202001172U - Microwave plasma automobile engine igniter - Google Patents
Microwave plasma automobile engine igniter Download PDFInfo
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- CN202001172U CN202001172U CN2011200200404U CN201120020040U CN202001172U CN 202001172 U CN202001172 U CN 202001172U CN 2011200200404 U CN2011200200404 U CN 2011200200404U CN 201120020040 U CN201120020040 U CN 201120020040U CN 202001172 U CN202001172 U CN 202001172U
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Abstract
A microwave plasma automobile engine igniter belongs to the technical field of microwave application and relates to an automobile engine ignition device. The microwave plasma automobile engine igniter is has seven different structures and applies the electromagnetism principle that voltage amplitude at the tail end of a quarter of a coaxial resonant cavity is the largest, extremely high electric field strength is realized at the tail end of an exciter, and the electric field strength can further be enhanced by the pointed structure of the tail end of an inner conductor, so that peripheral oil-gas mixture is punctured to generate plasma and realize ignition. Subsequently, by the aid of rapid movement of electron of the plasma in a combustion chamber, gas combustion in the whole combustion chamber and sufficient combustion of the oil-gas mixture are realized rapidly. The external contour of the engine igniter is the same with that of an existing spark plug, so that an existing spark plug ignition system can be directly replaced without changing the structure of an engine cylinder. The working center frequency of the engine igniter is 2.45GHZ, and the engine igniter in integrated design has the advantages of high efficiency, low cost, easiness in mass production and the like.
Description
Technical field
The utility model belongs to technical field of microwave application, relates to the car engine ignition device.
Background technique
Enter 21 century, auto-pollution becomes global problem day by day.Along with automobile quantity is more and more, using scope is more and more wider, and its negative effect to world environments is also increasing, especially be embodied in the harm urban environment, cause respiratory disease, cause face of land air ozone content too high, increase the weight of urban heat land effect, make urban environment turn to aspects such as deterioration.At present, the atmospheric pollution in the main big city 70% of China all derives from motor vehicle exhaust emission.Along with the increase of Motor Vehicle, tail gas pollution becomes worse, and is transformed into continuity and cumulative bad by locality, and city inhabitant then becomes the direct victim of automobile exhaust pollution.Therefore, as maximum in the world automobile production and country of consumption, the automotive industry of China must be walked out the road of the automobile of environmental protection and energy saving." 12 " planning proposes the low carbon technique of active development, strengthens the science and technology deposit.Aspect traffic structure, pay the utmost attention to and slow down the discharge amount growth rate in a short time, new technology and mode of transportation that exploitation simultaneously substitutes.
At present, automotive engine ignition system is made up of storage battery, generator, distributor, spark coil and spark plug etc. usually.In petrol engine, the inflammable mixture in the cylinder is lighted by electrical spark, on the cylinder head of petrol engine spark plug is housed for this reason, and the spark plug head stretches in the firing chamber.Ignition system becomes the low voltage of power supply into high voltage, delivers to each cylinder according to the engine ignition rotation again, lights compressed mixed gas; And can adapt to the variation of engine operating condition and service condition, and regulate time of ignition automatically, realize reliably and accurately igniting; Can also when changing fuel oil or distributor is installed, carry out the manual calibration time of ignition.Yet, along with the continuous consumption of world energy sources, the continuous rising of oil price, the combustion efficiency that improves ignition system just becomes a kind of effective way of alleviating energy scarcity pressure.
Nearest studies show that, the microwave plasma igniting can make burning rapider, more abundant, and combustion efficiency improves greatly.Simultaneously, at the important means of more current improvement gasoline engine fuel Economy, such as the petrol engine Lean Burning Technique, the microwave plasma igniting has remarkable advantages.The most key technology is the plasma exciatiaon device in the microwave plasma ignition system.It not only needs to satisfy the index request of microwave plasma ignition system, also needs to have the profile consistent with existing spark plug, so that directly substitute existing plug ignition device.
Summary of the invention
The utility model provides a kind of microwave plasma car engine ignition device, the microwave that this igniter employing CF center frequency is 2.45GHz is as excitation source, whole igniter design becomes existing spark plug profile, be complementary with conventional automobile engine cylinder, has the efficient height, cost is low, characteristics such as easy production in enormous quantities.
The utility model has designed the plasma exciatiaon device of seven kinds of multi-form be used in microwave plasma automotive ignition systems, its exterior contour is all identical with existing spark plug, can directly substitute existing plug ignition system on the basis that does not change the engine air cylinder structure.Seven kinds of plasma exciatiaon devices all comprise outer conductor and inner wire, and the respective regions between outer conductor and the inner wire is filled stupalith, realize the effective isolation between firing chamber and the energy input circlult.The working principle unanimity of these excitation of plasma devices, it all is maximum this basic electromagnetic principle of terminal voltage amplitude of utilizing 1/4th coaxial resonant cavitys, can be in the high electric field strength of the terminal realization of exciter, the end of the inner wire structure that tapers off to a point can further strengthen electric field strength and (depresses at 10 standard atmospheres, when input power was 500W, most advanced and sophisticated average field intensity can be greater than 2.25*10
7V/m), thereby puncture the gas mixture around the exciter end and produce plasma, realize igniting.Subsequently, by the rapid movement of electronics in the firing chamber of plasma, thereby realize the body burning of whole firing chamber as quick as thought and to the abundant burning of gas mixture.The microwave energy of high energy microwave devices such as magnetron output is by waveguide and concentric cable feed-in plasma exciatiaon device, this requires the inside/outside diameter size of input end coaxial configuration of plasma exciatiaon device and the output end structure consistent size of standard N Connector, is convenient to integrated processing.Seven kinds of structures have selected for use different energy coupled modes with microwave energy input 1/4th coaxial resonant cavitys respectively, need this moment different transition matching structures to realize the good impedance match between N Connector and 1/4th coaxial resonant cavitys, the multi-stage coaxial line with different interior external diameters can be realized the impedance conversion easily.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and coupling slit 6 is arranged between inner wire 1 and the inner wire 2 42; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor by horizontal connecting conductor 7 near the side in coupling slit 6; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and coupling slit 6 is arranged between inner wire 1 and the inner wire 2 42; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor with vertical connecting conductor 72 by horizontal connecting conductor 71 successively near the side in coupling slit 6; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and the side of inner wire one 41 bottoms links to each other with inner wire 2 42 with horizontal connecting conductor 7 by coupling slit 6 successively; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and the side of inner wire one 41 bottoms links to each other with inner wire 2 42 by horizontal connecting conductor 7; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, the inner wire tip 5 that order links to each other; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Two sides of the symmetry of inner wire one 41 bottoms link to each other with outer conductor by horizontal connecting conductor 71, vertical connecting conductor 72 respectively successively; The radius of inner wire 2 42, inner wire 3 43 and inner wire 4 44 increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, the inner wire tip 5 that order links to each other; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; The side of inner wire one 41 bottoms links to each other with a discoid horizontal connecting conductor 7, discoid horizontal connecting conductor 7 links to each other with outer conductor by four vertical connecting conductors 72; The radius of inner wire 2 42, inner wire 3 43 and inner wire 4 44 increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, the inner wire tip 5 that order links to each other; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; The side of inner wire one 41 bottoms links to each other with a discoid horizontal connecting conductor 7, discoid horizontal connecting conductor 7 links to each other with outer conductor by two vertical connecting conductors 72 of fan-shaped column; The radius of inner wire 2 42, inner wire 3 43 and inner wire 4 44 increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
Beneficial effect:
The utlity model has following advantage:
1, can light the very thin gas mixture of reason, make pollutant emission reduce 25%[1 in theory] [2];
2, speed of ignition is fast, and does not produce detonation, and sufficient combustion effectively lowers the discharge amount [3] of carbon monoxide, nitrogen oxide, hydrocarbon;
3, before igniting, microwave energy just can enter the firing chamber, can be combustion-supporting.
4, can be transplanted to easily in other plasma igniting systems and use.
Description of drawings
Fig. 1 is the sectional view of first kind of plasma exciatiaon device providing of the utility model.
Fig. 2 is the plan view of first kind of plasma exciatiaon device providing of the utility model.
Fig. 3 is the sectional view of second kind of plasma exciatiaon device providing of the utility model.
Fig. 4 is the plan view of second kind of plasma exciatiaon device providing of the utility model.
Fig. 5 is the sectional view of the third plasma exciatiaon device of providing of the utility model.
Fig. 6 is the plan view of the third plasma exciatiaon device of providing of the utility model.
Fig. 7 is the sectional view of the 4th kind of plasma exciatiaon device providing of the utility model.
Fig. 8 is the plan view of the 4th kind of plasma exciatiaon device providing of the utility model.
Fig. 9 is the sectional view of the 5th kind of plasma exciatiaon device providing of the utility model.
Figure 10 is the plan view of the 5th kind of plasma exciatiaon device providing of the utility model.
Figure 11 is the sectional view of the 6th kind of plasma exciatiaon device providing of the utility model.
Figure 12 is the plan view of the 6th kind of plasma exciatiaon device providing of the utility model.
Figure 13 is the sectional view of the 7th kind of plasma exciatiaon device providing of the utility model.
Figure 14 is the plan view of the 7th kind of plasma exciatiaon device providing of the utility model.
Embodiment
This a series of plasma exciatiaon device all can be regarded as by inner wire, outer conductor and microwave energy input port 1 and constitutes.
Outer conductor constitutes by profile sealing in outer conductor external frame and the outer conductor; The outward appearance of plasma exciatiaon device is all consistent with existing spark plug, is convenient to substitute or upgrading; Its outer conductor external frame all can be divided into three parts, comprises the outer conductor external frame 1 of worm structure, the outer conductor external frame 2 22 of cylindrical surface structure, the outer conductor external frame 3 23 of positive six prismatic surface structures; Profile constitutes by profile in profile 4 34, the outer conductor in profile 3 33, the outer conductor in profile 2 32, the outer conductor in profile 1, the outer conductor in the cylindrical surface structure outer conductor of different radii 5 35 in the outer conductor; Filled media 8 in the zone in the outer conductor between profile 2 22, the interior profile 3 23 of outer conductor, the interior profile 4 24 of outer conductor and the corresponding inner wire, the radius of profile 1 all should occur moving with the medium 8 that prevents to fill less than the radius of profile in the outer conductor 2 32 in the outer conductor; Profile 5 35 and the interior air of filling in the zone of corresponding inner wire in the outer conductor, to constitute energy input port 1, its size is all consistent with N Connector, can integratedly process.Inner wire tip 5 is conical structure, and its tip is a hemisphere, and inner wire most advanced and sophisticated 5 all and in the outer conductor is filled air in the zone between the profile 1; The material selection platinum at inner wire tip 5, all the other conductor materials are selected copper for use, the material selection pottery of medium 8; All the other inner wire structures of dissimilar plasma exciatiaon devices are different.
Embodiment 1
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and coupling slit 6 is arranged between inner wire 1 and the inner wire 2 42; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor by horizontal connecting conductor 7 near the side in coupling slit 6; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
Embodiment 2
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and coupling slit 6 is arranged between inner wire 1 and the inner wire 2 42; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor with vertical connecting conductor 72 by horizontal connecting conductor 71 successively near the side in coupling slit 6; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
Embodiment 3
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and the side of inner wire one 41 bottoms links to each other with inner wire 2 42 with horizontal connecting conductor 7 by coupling slit 6 successively; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
Embodiment 4
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, inner wire tip 5; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Inner wire tip 5 links to each other with inner wire 1, and the side of inner wire one 41 bottoms links to each other with inner wire 2 42 by horizontal connecting conductor 7; Inner wire 2 42, inner wire 3 43 and inner wire 4 44 orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Inner wire 1 links to each other with outer conductor; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, the inner wire tip 5 that order links to each other; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; Two sides of the symmetry of inner wire one 41 bottoms link to each other with outer conductor by horizontal connecting conductor 71, vertical connecting conductor 72 respectively successively; The radius of inner wire 2 42, inner wire 3 43 and inner wire 4 44 increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, the inner wire tip 5 that order links to each other; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; The side of inner wire one 41 bottoms links to each other with a discoid horizontal connecting conductor 7, discoid horizontal connecting conductor 7 links to each other with outer conductor by four vertical connecting conductors 72; The radius of inner wire 2 42, inner wire 3 43 and inner wire 4 44 increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
A kind of microwave plasma car engine ignition device comprises inner wire and outer conductor, and described inner wire is made of inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44, the inner wire tip 5 that order links to each other; Inner wire 1, inner wire 2 42, inner wire 3 43, inner wire 4 44 are cylindrical structure, and inner wire most advanced and sophisticated 5 is a cone, and its tip is a hemisphere; The side of inner wire one 41 bottoms links to each other with a discoid horizontal connecting conductor 7, discoid horizontal connecting conductor 7 links to each other with outer conductor by two vertical connecting conductors 72 of fan-shaped column; The radius of inner wire 2 42, inner wire 3 43 and inner wire 4 44 increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the most advanced and sophisticated 5 corresponding outer conductors of inner wire in profile 1, with inner wire one 41 corresponding outer conductors in profile 2 32, with inner wire 2 42 corresponding outer conductors in profile 3 33, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 3 43 corresponding outer conductors in profile 4 34, with inner wire 4 44 corresponding outer conductors in profile 5 35; Other regional filled medias 8 the zone in zone between inner wire and the outer conductor between inner wire most advanced and sophisticated 5 and the interior profile 1 of outer conductor and inner wire 4 44 and the outer conductor between the profile 5 35; The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder 21 and six prismatic working surfaces 23 easy for removal and installation at least.
The described arbitrary microwave plasma car engine ignition device of above embodiment, it is characterized in that, the external frame of described outer conductor also comprises a cylindrical transitional surface 22, and described cylindrical transitional surface 22 is between the outside thread 21 that is connected with automobile engine cylinder and six prismatic working surface 23 easy for removal and installation.
This a series of plasma exciatiaon device all can regard the quarter wavelength coaxial resonant cavity as and the transition matching structure combines; Theoretically, the length of quarter wavelength coaxial resonant cavity should be medium and fills 1/4th of coaxial line wavelength, but the influence that is subjected to inner wire tip 5, energy coupling feed-in form during actual design is slightly different; To each plasma exciatiaon device, the interior external diameter of quarter wavelength coaxial resonant cavity is also different; Structure and electrical characteristic according to different quarter wavelength coaxial resonators, need the corresponding transition matching structure of design, this transition matching structure is made of profile 5 35 in profile 4 34, the outer conductor in profile in the outer conductor 3 33, the outer conductor and corresponding inner wire; Design object is: reflection coefficient is as far as possible little during CF center frequency 2.45GHz, Q is high as far as possible, when being 500W, most advanced and sophisticated average field intensity needs greater than 2.25*107V/m at the input microwave energy, to guarantee in the cylinder of 10 standard atmospheric pressures activated plasma effectively.
Through the design of electromagnetism all-wave simulation software, reflection coefficient is all less than-20dB when 2.45GHz for this plasma exciatiaon device of seven kinds, and most advanced and sophisticated average field intensity is all greater than 2.25*107V/m.
Reference
【1】Z?Yang，et?al，Microwave?enhanced?exhaust?conversion?of?internal?combustion?engines，Applied?Catalysis?B：Environmental。
【2】J?Ma，et?al，Microwave-assisted?catalytic?combustion?of?diesel?soot，Applied?CatalysisGeneral，159，1997，211-288。
【3】JB?Heywood，Internal?Combustion?Engine?Fundamentals，McGraw-Hill，New?York，1988。
Claims (9)
1. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: described inner wire is made of inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5); Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; Inner wire tip (5) links to each other with inner wire one (41), between inner wire one (41) and the inner wire two (42) coupling slit (6) is arranged; Inner wire two (42), inner wire three (43) and inner wire four (44) orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Inner wire one (41) links to each other with outer conductor by horizontal connecting conductor (7) near the side in coupling slit (6); Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
2. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: described inner wire is made of inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5); Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; Inner wire tip (5) links to each other with inner wire one (41), between inner wire one (41) and the inner wire two (42) coupling slit (6) is arranged; Inner wire two (42), inner wire three (43) and inner wire four (44) orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Inner wire one (41) links to each other with outer conductor with vertical connecting conductor (72) by horizontal connecting conductor (71) successively near the side in coupling slit (6); Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
3. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: described inner wire is made of inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5); Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; Inner wire tip (5) links to each other with inner wire one (41), and the side of inner wire one (41) bottom links to each other with inner wire two (42) with horizontal connecting conductor (7) by coupling slit (6) successively; Inner wire two (42), inner wire three (43) and inner wire four (44) orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Inner wire one (41) links to each other with outer conductor; Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
4. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: described inner wire is made of inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5); Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; Inner wire tip (5) links to each other with inner wire one (41), and the side of inner wire one (41) bottom links to each other with inner wire two (42) by horizontal connecting conductor (7); Inner wire two (42), inner wire three (43) and inner wire four (44) orders link to each other, and three's radius increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Inner wire one (41) links to each other with outer conductor; Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
5. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: the inner wire one (41) that described inner wire is linked to each other by order, inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5) constitute; Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; Two sides of the symmetry of inner wire one (41) bottom link to each other with outer conductor by horizontal connecting conductor (71), vertical connecting conductor (72) respectively successively; The radius of inner wire two (42), inner wire three (43) and inner wire four (44) increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
6. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: the inner wire one (41) that described inner wire is linked to each other by order, inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5) constitute; Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; The side of inner wire one (41) bottom links to each other with a discoid horizontal connecting conductor (7), discoid horizontal connecting conductor (7) links to each other with outer conductor by four vertical connecting conductors (72); The radius of inner wire two (42), inner wire three (43) and inner wire four (44) increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
7. a microwave plasma car engine ignition device comprises inner wire and outer conductor; It is characterized in that: the inner wire one (41) that described inner wire is linked to each other by order, inner wire two (42), inner wire three (43), inner wire four (44), inner wire tip (5) constitute; Inner wire one (41), inner wire two (42), inner wire three (43), inner wire four (44) are cylindrical structure, and inner wire tip (5) are cone, and its tip is a hemisphere; The side of inner wire one (41) bottom links to each other with a discoid horizontal connecting conductor (7), discoid horizontal connecting conductor (7) links to each other with outer conductor by two vertical connecting conductors of fan-shaped column (72); The radius of inner wire two (42), inner wire three (43) and inner wire four (44) increases gradually; The interior profile of described outer conductor is the cylindrical surface structure of different radii, comprise respectively with the corresponding outer conductor in inner wire tip (5) in profile one (31), with inner wire one (41) corresponding outer conductor in profile two (32), with inner wire two (42) corresponding outer conductors in profile three (33), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire three (43) corresponding outer conductors in profile four (34), with inner wire four (44) corresponding outer conductors in profile five (35); Other regional filled medias (8) the zone in zone between inner wire and the outer conductor between inner wire tip (5) and the interior profile one (31) of outer conductor and inner wire four (44) and the outer conductor between the profile five (35); The external frame of described outer conductor comprises an outside thread that is connected with automobile engine cylinder (21) and six prismatic working surfaces (23) easy for removal and installation at least.
8. according to arbitrary microwave plasma car engine ignition device described in the claim 1-7, it is characterized in that, the external frame of described outer conductor also comprises a cylindrical transitional surface (22), and described cylindrical transitional surface (22) is positioned between the outside thread (21) that is connected with automobile engine cylinder and the six prismatic working surface (23) easy for removal and installation.
9. according to arbitrary microwave plasma car engine ignition device described in the claim 1-7, it is characterized in that described medium (8) is a ceramic dielectric.
Priority Applications (1)
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| CN2011200200404U CN202001172U (en) | 2011-01-21 | 2011-01-21 | Microwave plasma automobile engine igniter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200200404U CN202001172U (en) | 2011-01-21 | 2011-01-21 | Microwave plasma automobile engine igniter |
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| CN202001172U true CN202001172U (en) | 2011-10-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121448A (en) * | 2011-01-21 | 2011-07-13 | 电子科技大学 | Folding coaxial cavity microwave igniter for engine of automobile |
| CN102146865A (en) * | 2011-01-21 | 2011-08-10 | 电子科技大学 | Igniters of microwave plasma automobile engine |
| CN102155344A (en) * | 2011-01-21 | 2011-08-17 | 电子科技大学 | Slot coupling micro-wave plasma igniter for internal-combustion engine |
| CN112065591A (en) * | 2020-09-11 | 2020-12-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Electromagnetic drive formula ignition for aeroengine |
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2011
- 2011-01-21 CN CN2011200200404U patent/CN202001172U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121448A (en) * | 2011-01-21 | 2011-07-13 | 电子科技大学 | Folding coaxial cavity microwave igniter for engine of automobile |
| CN102146865A (en) * | 2011-01-21 | 2011-08-10 | 电子科技大学 | Igniters of microwave plasma automobile engine |
| CN102155344A (en) * | 2011-01-21 | 2011-08-17 | 电子科技大学 | Slot coupling micro-wave plasma igniter for internal-combustion engine |
| CN102146865B (en) * | 2011-01-21 | 2012-05-30 | 电子科技大学 | Igniters of microwave plasma automobile engine |
| CN102155344B (en) * | 2011-01-21 | 2012-07-04 | 电子科技大学 | Slot coupling micro-wave plasma igniter for internal-combustion engine |
| CN112065591A (en) * | 2020-09-11 | 2020-12-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Electromagnetic drive formula ignition for aeroengine |
| CN112065591B (en) * | 2020-09-11 | 2021-08-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Electromagnetic drive formula ignition for aeroengine |
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