CN101907035B - Function wave combustion chamber of internal combustion engine and method for matching combustion chamber with ignition device - Google Patents
Function wave combustion chamber of internal combustion engine and method for matching combustion chamber with ignition device Download PDFInfo
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Abstract
本发明涉及节能减排，是一种内燃机的改良的燃烧室及与点火装置的搭配方法；是内燃机的改良的有函数波的燃烧室及与有活动受电极和微动放电极的内燃机用点火装置的搭配方法；提出了燃烧室几何形状要和发动机机型适配及与点火装置搭配才有较佳的效果的理念，提出了内燃机燃烧室与各点火装置的搭配的方法的建议，还提供了函数波燃烧室及带抛物线型的凸凹适配的函数波燃烧室；所述的有函数波的燃烧室有多种或多种组合，组成燃烧室的活塞面是函数波形例如正弦波方程线，或多种组合如波形凹坑33，排气凸起34，进气凹坑35，火花凹坑36，排气凸起34，其包络线均是曲线，特别是渐开线；活塞面的函数波形32进一步改善了冲击波的分布和传播的富里埃级数的接近性及均匀性。
The invention relates to energy saving and emission reduction, and is an improved combustion chamber of an internal combustion engine and a matching method with an ignition device; it is an improved combustion chamber of an internal combustion engine with a function wave and an ignition device for an internal combustion engine with a movable receiving electrode and a micro-moving discharging electrode. The matching method of the device; the idea that the geometry of the combustion chamber should be adapted to the engine model and matched with the ignition device will have a better effect, and a suggestion on the method of matching the combustion chamber of the internal combustion engine with each ignition device is proposed, and also provided A function wave combustor and a function wave combustor with a parabolic concave-convex adaptation are provided; the combustor with a function wave has multiple or multiple combinations, and the piston surface forming the combustor is a function waveform such as a sine wave equation line , or multiple combinations such as wave-shaped pits 33, exhaust bumps 34, intake pits 35, spark pits 36, and exhaust bumps 34, whose envelopes are curves, especially involutes; the piston surface The function waveform 32 of the shock wave further improves the proximity and uniformity of the distribution of the shock wave and the propagation of the Fourier series.
Description
Technical field
The present invention relates to firing chamber and ignition mechanism in a kind of fuel-burning equipment; Especially the firing chamber that function wave is arranged of the improvement of internal-combustion engine reaches and the matching method of the internal-combustion engine of active receiving electrode and fine motion discharging electrode with ignition mechanism is arranged, and belongs to the firing chamber technical field of internal-combustion engine and the technical field of spark plug; This function wave piston and firing chamber can be used for gasoline, diesel oil and mixed air internal-combustion engine.
Background technique
The ignition mechanism that is used for fuel-burning equipment, especially gasoline motor spark plug are widely used in the high voltage pulse electric current is introduced into the firing chamber, and make the mixed gas sparking of inspiration cylinder and light, and then diffusive combustion and break out work done.The outside joiner of existing spark plug and having between the spark cap of rubber jar has the loose diffusing phenomenon of pine sometimes.Resistance is made though be provided with glass-sealing agent in the inside of existing spark plug, and impedance is only arranged; If add induction reactance and capacitive reactance, form suitable R CL loop, then have the effect of better inhibition radio interference.Multiple tracks umbrella rib on the insulator also can be improved to saw-tooth shaped cross section by semi-circular cross-section, better blocks rubber jar so that the creepage passage of more insulation reaches.The heat radiation of the metal shell of existing spark plug also can further improve.The electrode of existing spark plug is well imagined, the knot of being prone to charcoal is arranged, and is prone to ablate single-point arcing, the shortcoming of low temperature difficult point; If is the electrode innovation movable, as improvement.
Original firing chamber has multiple, does not have out of this world; Except that crossing advantage, deficiency is arranged all; Wedge-section combustion chamber for example, its mixed gas undue concentration is at the spark plug place, and it is rough that operating mode seems; Bathtub section combustion chamber L and for example, the shape of its prolate makes the effect of squish poor, and flame travel is also longer, and rate of burning is lower, and period of combustion is long, and rate of explosion is low, and surface to volume ratio F/V is bigger, and discharging is disadvantageous to HC.Bowl-in-piston chamber and for example, the hemispherical combustion chamber, fluffy shape firing chamber, and other type firing chambers, like the auxiliary combustion chamber of turbulization, the dual ignition plug firing chamber, the firing chamber on plane, each has something to recommend him; But the human invention that aspires after perfection is endless.The so-called best geometry of firing chamber is no doubt important, but will reach and the ignition mechanism collocation with engine model is adaptive, and preferable effect is just arranged.Combustion chambers of internal combustion engines reaches the collocation with ignition mechanism, is a hard nut to crack that relates to energy-saving and emission-reduction.
Summary of the invention
In order to pursue the perfection of ignition mechanism, the improvement that the present invention proposes multiple spark plug is the various fixed electrode for example, adds interior induction reactance, changes outer calibration joiner, adds shell heat radiation wing, and particularly establishes movable and fine motion electrode, in order to improving operating mode, energy-saving and emission-reduction.Also endless Science Explorations in order to aspire after perfection; It is no doubt important that the present invention proposes the so-called best geometry of firing chamber; But will be with engine model adaptive and with ignition mechanism collocation, the theory of preferable effect is just arranged, the suggestion of method of the collocation of various combustion chambers of internal combustion engines and various ignition mechanisms is proposed; The function wave firing chamber also is provided and, is beneficial on the hard nut to crack of energy-saving and emission-reduction progressive to some extent with the adaptive function wave firing chamber of Parabolic convex-concave.
Below progressively improve and perfect invention scheme combines multiple diagram and details in addition with regard to multiple:
The present invention relates to firing chamber and ignition mechanism, especially internal-combustion engine in a kind of fuel-burning equipment improvement the firing chamber that function wave is arranged and with the matching method of the internal-combustion engine of active receiving electrode and fine motion discharging electrode with ignition mechanism arranged; Described have the characteristic of the firing chamber of function wave to be, its function wave is ad hoc and preferred by each type; The piston area of forming the firing chamber is a function waveform.
Equation and modeling method that the present invention solves the technological scheme that its technical problem takes are:
Adopt PRO/ENGINEER WILDFIRE mapping software, newly establish working directory, newly-built part, grass are painted 2 concentric circles.
Open variable cross section scanning (Var Sect Sweep) instruction, choose above 2 circles and be scanning track and reference locus.
Draw the straight line of parallel 2 disks, length L=(D-d)/2, and corresponding circle edge projection line.
Set up parameter (PARAMETER) 1:C real number (real number), can be with according to concrete operating mode assignment between 0.01-1, for example 0.3; C is also referred to as wave height.
Set up parameter (PARAMETER) 2:N integer (integer), can be with according to concrete operating mode choosing value between 2-100, for example 13; N is also referred to as wave number.
Opening relationships (RELATION), sinusoidal wave equation promptly of the present invention is:
SDi＝C*SIN(TRAJPAR*360*N)
In the following formula, i is the dimension figure sequence number; SIN=SINE, sine function; TRAJPAR, lopcus function.
Follow again, adopt rotation, merge, instructions such as materialization, and with the piston piece assembling and merge, promptly be modeled as the piston on function corrugated; Again on piston area with spark plug and and intake valve, convex-concave is made in the corresponding position of exhaust valve; With the piston cylinder body of packing into, cylinder cap just is formed with the firing chamber of function wave.
With described equation input CNC machining center, neutralize the punching block of cast aluminium alloy with CIMATRO or MASTCAM, or use milling machine, planer and electric discharge machining again; When using electric discharge machining,, then to make the tungsten copper electrode earlier with described equation input CNC machining center; Produce in batches with the die casting machine that cold pressing chamber or hot pressing chamber are arranged again; Machining again.The piston multipurpose material is aluminum alloy ZL109, or AC8A.Like racing car or military car, piston is near the material of combustor surface or with highly heat-conductive material such as silver alloy under high-end condition; Perhaps use exotic material such as silver-colored tungsten-copper alloy, even with special highly heat-conductive material such as synthetic diamond.
Special needs to be pointed out is that function waveform of the present invention also can adopt other waveform, for example the slightly slick and sly waveform of other multiple mathematical function or other non-precipitous broken line.
Below state the improvement of ignition mechanism earlier, the improvement of stating internal-combustion engine subsequently promptly have function wave the firing chamber and with the matching method of the internal-combustion engine of active receiving electrode and fine motion discharging electrode with ignition mechanism arranged.
A kind of ignition mechanism that is used for fuel-burning equipment especially has the internal-combustion engine of active receiving electrode and fine motion discharging electrode to use ignition mechanism, is used for being prone to light a fire carbon deposition removal, burn-out proof and changeable electrodes core from fine motion; And subsidiary gasoline motor spark plug is used for anti-High-frequency Interference and the anti-spark plug of pegging graft and getting loose, by having calibration (1a) with interior induction reactance and outer calibration high pressure coupling piece; Zigzag fashion umbrella rib (1c), the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread, pad (2); The insulator (3) of the multiple tracks umbrella rib of toothed tee section, the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15), the shell (5) of band heat radiation wing; S shape retaining washer (6) contains the glass-sealing agent (7) of resistance, embeds steel core (8); Discharging electrode bar (9) receives electrode tie rod (10), discharge cartridge (11); Receive electrode tip (12), receive electrode tip shell (13), formed by electrode tip shell back-up ring (14); It is characterized in that: the head that leans on discharging electrode of described discharging electrode bar (9) is provided with screw thread or thread-shaped groove, in order to assembling from fine motion and the changeable electrodes core cartridge (11) that promptly discharges; The surrounding place side face of described discharge cartridge (11) is provided with side flabellum (11a), and the upper end of discharge cartridge (11) is provided with wedge (11b), and the lower end of discharge cartridge (11) is provided with screw thread or thread-shaped groove (11c).The characteristic of described side flabellum (11a) is that straight fans or spiral wind flabellum are arranged, and has a slice at least, or multi-disc, particularly 8.The described electrode tie rod (10) that receives will be linked to each other by electrode tip shell (13) with the shell (5) of band heat radiation wing, and the described electrode tie rod (10) that receives has a slice at least, or 2, or multi-disc.The described inside of electrode tip shell (13) that receives is provided with screw thread or thread-shaped groove and can lays the circlip groove that receives electrode tip shell back-up ring (14).Discharge cartridge (11) constitutes discharging gap with the basin shape by top and ring sidepiece of the inside that receives electrode tip (12), and a plurality of wedge angles that cut out is arranged at the top and dig a plurality of ring thread-shaped grooves in week at the ring sidepiece.The characteristic of the wedge (11b) of described discharge cartridge (11) is to be provided with the polygonal pyramid that digs out in the top, particularly criss-cross polygonal pyramid, and referring to Figure 43, Figure 44; Figure 45 and Figure 46, or 2 pyramids, or more than 3 pyramids, the preferably polygonal pyramid of the above polygonal star of 2 stars; Be beneficial to the to light a fire edgetone effect of ion flux, make spark plug contain end face and ring side more than in the original big basin shape gap, the local especially gap that has increased polygonal pyramid; The position part that fiery karyomorphism is become is left wall, and a buffer cells is arranged, and can avoid being stuck near the influence of the residual gas of wall; Simultaneously, collision of the wedge of mixed gas and turbulence effect add discharge cartridge (11) and receive the fine motion of electrode tip (12) and the effect of trembling; The absolute quantity of the mixed gas in the gap is increased, and the probability that catches fire also increases, in addition; Wedge collision and turbulent flow also help repelling the carbon deposit Molecular flow, reach the mixture that the part in the basin shape gap has liquid liquefaction to be inclined in the wedge, and the opportunity of Arc Discharge is not only arranged; And have the cydariform of electric discharge machining discharge to discharge, thus its comprehensive effect improves the sparkover quality, and performance of operating condition is better.
The described calibration (1a) that has, zigzag fashion umbrella rib (1c), the characteristic of the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread is: the described calibration (1a) that has is by equal calibration fluting on the electric conductor of described joiner (1); At least open a groove, or multiple-grooved; Preferably the number of multiple-grooved is by the degree value; For example, the number of degrees of certain spark plug are 6, and the number of then slotting is 6; The number of degrees of certain spark plug are 7, and the number of then slotting is 7.Though the number of degrees of the calorific value of general spark plug are divided into 5-13 by the difference of motor by the internal structure of spark plug, the bigger just nearlyer cold mould of numerical value, the engine that is fit to high rotating speed high compression ratio uses; The more little just near-thermal type more of numerical value, the engine that is fit to low compression ratio uses; But difficult appearance from spark plug is judged, or is prone to obscure.The beneficial effect of on the electric conductor of the joiner of spark plug, slotting has two, one, makes the selecting for use of the number of degrees of the calorific value of spark plug be difficult for obscuring, and the 2nd, make the joiner of the latch capitiform of original Dan Yuan make the latch effect better owing to fluting becomes claw type.The electric conductor of the fluting of described joiner (1) is to be inserted with in and the electrically conductive socket in cap that link to each other with the high pressure external connection of spark cap of rubber or plastic insulation shell.
The described calibration (1a) that has; Zigzag fashion umbrella rib (1c), the further feature of the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread is: described zigzag fashion umbrella rib (1c), like Fig. 5; Fig. 6 and Fig. 9; Shown in Figure 10, the zigzag fashion in the outer part and the angle of axis are more slow, insert in order to the socket of spark cap is easy; And the angle of zigzag fashion in the inner part and axis is bigger, is difficult for deviating from order to the socket of spark cap.Like Fig. 5, Fig. 6 and Fig. 7, Fig. 8, shown in Figure 9, described groove depth is the half the of joiner length overall; Fixing hole (1b) is located at i.e. in the inner part the end of the end of not slotting, so that knock fixing.The internal thread of described joiner (1d); Like Fig. 6, Fig. 1 and shown in Figure 2 links with a threaded end (4); And the insulator (3) of the multiple tracks umbrella rib of retaining washer (2) and toothed tee section, and the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15); A threaded end (4) links to each other with inductance coil (15); Inductance coil (15) links to each other with the threaded the other end (4b); The glass-sealing agent (7) of the threaded the other end (4b) through containing resistance, with embedding steel core (8), discharging electrode bar (9) links to each other.Described (4), part (15), part (7), part (8), part (9) insulated body (3) particularly ceramic body surrounds, just meeting coupling capacitive reactance mutually, said resistance and inductance have the effect of series parallel connection RCL equivalent circuit, and allotment suitably just has the effect of anti-radio interference.Embed steel core (8) and insert discharging electrode bar (9), in order to gaining in strength and heat conduction.Discharging electrode bar (9) or participate in discharge directly, or link to each other with discharge cartridge (11) that special special material is processed.Receive electrode tie rod (10) at least one or a plurality of; Or participate in discharge directly; Or link to each other with the electrode tip (12) that receives that special special material is processed, or link to each other with the electrode tip (12) that receives that special special material is processed, and install additional and receive electrode tip shell back-up ring (14) through receiving electrode tip shell (13).The characteristic of the insulator (3) of the multiple tracks umbrella rib of described toothed tee section is, the zigzag fashion of described zigzag fashion umbrella rib and the angle of axis are more slow, is prone to wrap in order to the rubber or the plastic insulation shell of spark cap; And the angle of zigzag fashion in the inner part and axis is bigger, is difficult for deviating from order to the rubber or the plastic insulation shell of spark cap.The zigzag fashion of described zigzag fashion umbrella rib has than original semicircle umbrella rib more Duos the creepage passage of insulation and can better block rubber jar.The outside of an end of (being inner discharge side) in the inner part of the insulator (3) of the multiple tracks umbrella rib of described toothed tee section is provided with the shell (5) of being with the heat radiation wing, and S shape retaining washer (6).The described characteristic that is provided with the shell (5) of band heat radiation wing is to be provided with heat radiation wing (5a), heat radiation wing (5b), and heat radiation wing (5c), particularly described heat radiation wing is hexagonal, or circular.The steel material at the position of diffusing hot wing of original spark plug has been cut away in vain, and only deposits less cylindrical in cross section.The invention has the beneficial effects as follows: utilize original steel material, keep the material that will be cut away in vain originally a part and process the heat radiation wing.Described heat radiation wing has one at least, or 2,3 or a plurality of.The heat radiation wing be that hexagonal benefit has two, one, be convenient to its on the hex wrench nut process with cutter, the 2nd, socket wrench can be inserted in deeper and more when being convenient to install.
As improving 1, the present invention improves very cranked electrode (16) of common single ordinary telegram especially; It is characterized in that: described cranked electrode (16), shown in figure 28, by extension (16a); Arc portion (16b), turn of bilge (16c) is formed, and this three part equates with the spacing of discharging electrode; Thereby constitute the discharging gap (20) that receives electrode and discharging electrode; And than original front head, helping the absolute quantity increase of the mixed air in the gap and the probability that catches fire increases, and this is another beneficial effect of the present invention.
As improving 2, it is the electrode (121) that many sides and many foldings gap are arranged that the present invention improves electrode especially, like Figure 14 and Fig. 7, Fig. 8; Fig. 9, Figure 10, shown in Figure 11, it is characterized in that not only having aforesaid by extension (16a); Arc portion (16b), turn of bilge (16c) is formed, and this three part equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging electrode; And than original front head's characteristics, also be provided with a plurality of sharp notch (17) especially, be beneficial to discharge; Each is linked to each other with receiving electrode (121) by electrode stem (10), receives the middle part of electrode (121) to have many foldings gap (18), helps opening discharge channel.Kind electrode (121) also can be only with half in some firing chamber, to save material.
As improving 3, it is the electrode (21) that many sides and many gaps are arranged that the present invention improves electrode especially, like Figure 15 and Figure 16, Figure 17; Shown in Figure 180, it is characterized in that not only having aforesaid by extension (16a), arc portion (16b); Turn of bilge (16c) is formed, and this three part equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging electrode; And than original front head's characteristics, also be provided with a plurality of sharp notch (17) especially, be beneficial to discharge; Each receives electrode stem and be connected as one by electrode; Shown in figure 18; It is characterized in that: the two ends of making discharging gap (20) at the middle part of the described electrode (21) that many sides and many gaps are arranged have outstanding (19) down; The described bottom of outstanding (19) down is lower than the discharging electrode top, and its use is the front that has added sideflash.The particularly described transverse features that the electrode (21) in many sides and many gaps arranged is a slice at least, or is more than two, for example three.Be preferably multi-disc, in order to forming grid sheet grid point battle array effect, the electricity fire is examined and the possibility of cydariform discharge thereby increase.As improving 4; Described have the electrode (21) in many sides and many gaps or remove the single electrode stem that receives, like Figure 26, and Figure 27 and shown in Figure 28; It is characterized in that aforesaid characteristic is not only arranged, specialization is that the electrode (23) that singly receives the many sides of having of electrode stem and many gaps is arranged.Its usefulness is a material-saving, and be prone to form little the trembling of grid sheet grating compartment and favourablely shrug off carbon deposit and favourable discharging gap forms discharge channel.
As improving 5, it is that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged that the present invention improves electrode especially, like Figure 19 and Figure 20, and Figure 21, Figure 22, Figure 23 and shown in Figure 24 is characterized in that: have the round basin of side and middle part to dig acute angle star.There is basin shape promptly not only end face to be arranged but also the side is arranged, thereby added the front of sideflash; Acute angle star has been dug in the center, or a star, or two stars, or a plurality of star, preferably five-pointed star.Help wedge effect and the point discharge effect of discharging gap and form asymmetric multipoint random discharge channel.Its characteristic is acute angle particularly, rather than right angle or obtuse angle.
Though silkworm in spring to dead silk side to the greatest extent, is had no limits yet improve to improve.Though electrode (12) and electrode shell (13) have oligodynamics by screw thread or the movable mutually assembling of thread-shaped groove that the described inside that receives electrode tip shell (13) is provided with, and by blocked by electrode tip shell back-up ring (14); Can change; Also can work, but, obtain the better fine motion and the effect of trembling in order further to strengthen jiggle effect; Help discharge and repel carbon deposit; As improving 6, the present invention improves electrode (12) especially and receives electrode tip (24) for what arc drum (24a) arranged, and improves and receive electrode tip shell (13) to receive electrode tip shell (25) for what arc recessed (25a) arranged; Be aided with aforesaid other all part, becoming another money has the internal-combustion engine of active receiving electrode and fine motion discharging electrode to use ignition mechanism.Like Figure 36, Figure 37, Figure 38 receives electrode tip (24), it is characterized in that receiving to be equipped with on the electrode tip (12) arc drum (24a) described, and many sideshakes (24b).Arc drum (24a) matches with arc recessed (25a) fine motion; For example 0.1mm of little the sphere of activities can be arranged up and down; Simultaneously, particularly arc drum (24a) can rotate with respect to arc recessed (25a), and this is very important; Because the recessed rotatability of arc drum is good than the screw thread or the thread-shaped groove of original part more, so the trend of its fine setting and carbon deposition removal is more excellent during arcing.Described discharge cartridge (11) with receive the inside of electrode tip (24), be analogous to and receive electrode tip (12), constitute discharging gap by the basin shape of top and ring sidepiece, and a plurality of wedge angles that cut out arranged at the top and dig a plurality of ring thread-shaped grooves in week at the ring sidepiece; That set up is many sideshakes (24b), it is characterized in that being provided with at least one at described ring sidepiece, or 2, or a plurality of, particularly the opening of 6 perforations is beneficial to flowing and the discharging carbon deposit of mixed gas.Because the characteristic of the wedge (11b) of described discharge cartridge (11) is to be provided with the polygonal pyramid that digs out in the top, so particularly criss-cross polygonal pyramid is the edgetone effect of the ion flux that helps lighting a fire; Make in the basin shape gap that contains end face and ring side of spark plug, the local especially gap that has increased polygonal pyramid, the position part that fiery karyomorphism is become is left wall; A buffer cells is arranged, can avoid being stuck near the influence of the residual gas of wall, simultaneously; Many sideshakes (24b) of setting up, particularly arc drum (24a) can rotate with respect to arc recessed (25a), helps the wedge collision and the turbulence effect of mixed gas; Add discharge cartridge (11) and receive the fine motion of electrode tip (24) and the effect of trembling that the absolute quantity of the mixed gas in the gap is increased, and the probability that catches fire also increases; In addition, wedge collision and turbulent flow also help repelling the carbon deposit Molecular flow, reach the mixture that the part in the basin shape gap has liquefaction to be inclined in the wedge; The opportunity that Arc Discharge is not only arranged; And have the cydariform of electric discharge machining discharge to discharge, thus its comprehensive effect is improved the sparkover quality, and performance of operating condition is better.
Because described multiple improvement can supply various types to select for use, and also can revise advance angle and regulation and control high-voltage pulse parameter when on probation in the hope of better, Gu Te proposes to improve 7, is to make the positive and negative switching-over of high electric field pulse and change direction.Though the spark ignition process is very complicated, the mankind still have many aspects not clear so far, we know electricity positive and negative to discharging electrode with receive the loss of electrode that Different Effects is arranged.Improving 7 is a kind of methods for the minimizing export license, is the positive and negative switching-over that makes electric current and voltage, and this is not difficult to realize with electromagnetism class and electrical type circuit, for example uses astatic multivibrator and differentiator; The number of times of switching-over or synchronous with engine speed, or intermittently, or some switching-overs in period at interval.
The beneficial effect of ignition mechanism of the present invention is, particularly aforesaid multinomial improved beneficial effect is, all helps increasing the possibility of discharge and removes carbon deposit and reduce export license, can supply various types to select for use and the collocation of and function ripple firing chamber.
The present invention relates to firing chamber and ignition mechanism, especially internal-combustion engine in a kind of fuel-burning equipment improvement the firing chamber that function wave is arranged and with the matching method of the internal-combustion engine of active receiving electrode and fine motion discharging electrode with ignition mechanism arranged; It is will be with engine model adaptive and with the ignition mechanism collocation theory of preferable effect is arranged just to propose combustion-chamber geometry; The suggestion of the method for the collocation of proposition combustion chambers of internal combustion engines and each ignition mechanism; The function wave firing chamber also is provided and, is beneficial to energy-saving and emission-reduction with the adaptive function wave firing chamber of Parabolic convex-concave; Described have the characteristic of the firing chamber of function wave to be: the piston area of forming the firing chamber is a function waveform, and for example sinusoidal wave equation is:
SDi＝C*SIN(TRAJPAR*360*N)
, in the following formula, i is the dimension figure sequence number; SIN=SINE, sine function; TRAJPAR is a lopcus function; The function waveform of the piston area of described firing chamber is (32), referring to Figure 47, and Figure 48, Figure 50, Figure 52, Figure 53, Figure 53, Figure 55; And the middle part at the function waveform (32) of the piston area of described firing chamber is provided with waveform pit (33), and the envelope that it is characterized in that described pit is a curve, particularly involute, or parabola; The piston of described firing chamber is (31).
The function waveform of the piston area of described firing chamber (32) or other functions, involute for example, parabola, and adopt the round inner vortex of post system of coordinates.
As progress, on the function waveform (32) of the piston area of the piston (31) of described firing chamber, be provided with waveform pit (33); Also be provided with exhaust convexity (34), and be provided with air inlet pit (35), and be provided with spark pit (36); It is characterized in that: the envelope of described exhaust protruding (34) is a curve; Particularly involute, or parabola, and its convexity is in the position near exhaust valve; Exhaust valve has part or local overlapping with the projection of exhaust protruding (34) in other words, and projection is to throw on the face vertical with the piston motion direction; The envelope of described air inlet pit (35) is a curve; Particularly involute, or parabola, and its pit is in the position near intake valve; Intake valve has part or local overlapping with the projection of air inlet pit (35) in other words, and projection is to throw on the face vertical with the piston motion direction; The envelope of described spark pit (36) is a curve, particularly involute, or parabola; And its pit is in the position near spark plug, and spark plug has part or local overlapping with the projection of spark pit (36) in other words, and projection is to throw on the face vertical with the piston motion direction; Referring to Figure 58, Figure 59, Figure 60; Figure 61, Figure 62 and Figure 63.
Perhaps, as improvement, so that general, on the function waveform (32) of the piston area of the piston (31) of described firing chamber; Be provided with waveform pit (33), also be provided with exhaust convexity (34), and be provided with air inlet pit (35); And be provided with spark pit (36), it is characterized in that: described exhaust protruding (34), and air inlet pit (35); And the envelope of spark pit (36) all is curve, particularly involute, or parabola; And described exhaust protruding (34), and air inlet pit (35), and trisection is uniformly distributed with according to centre in the position of spark pit (36).
Beneficial effect of the present invention and purpose are energy-saving and emission-reduction, help removing carbon deposit and reduce loss, arrange in pairs or groups and raise the efficiency in and function ripple firing chamber, improvement firing chamber operating mode, and can supply various types to select for use.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the generalized section that the present invention is used for spark plug.
Fig. 2 is the exploded perspective view that the present invention is used for spark plug.
Fig. 3 is the schematic perspective view of the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15).
Fig. 4 is the schematic representation of insulator (3) of the multiple tracks umbrella rib of toothed tee section.
Fig. 5 has calibration (1a), zigzag fashion umbrella rib (1c), the schematic perspective view of the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread.
Fig. 6 has zigzag fashion umbrella rib (1c), and the generalized section of the outer calibration high pressure joiner (1) of internal thread.
Fig. 7 is the generalized section that the many sides and the electrode (121) in many foldings gap are arranged.
Fig. 8 is the worm's eye view that the many sides and the electrode (121) in many foldings gap are arranged.
Fig. 9 is the schematic perspective view that the many sides and the electrode (121) in many foldings gap are arranged.
Figure 10 has the many sides and the right side of the electrode (121) in many foldings gap to look schematic representation.
Figure 11 is the schematic top plan view that the many sides and the electrode (121) in many foldings gap are arranged.
Figure 12 is the schematic top plan view of electrode (23) that many sides and many gaps are arranged.
Figure 13 is the sectional drawing that the shell (5) of heat radiation wing is arranged.
Figure 14 is the schematic perspective view that the many sides and the spark plug of the electrode (121) in many foldings gap are arranged.
Figure 15 is the schematic perspective view of electrode (21) that many sides and many gaps are arranged.
Figure 16 is the elevational schematic view of the spark plug of electrode (21) that many sides and many gaps are arranged.
Figure 17 is the plan view of the spark plug of electrode (21) that many sides and many gaps are arranged.
Figure 18 is the elevational schematic view of electrode (21) that many sides and many gaps are arranged.
Figure 19 is the schematic perspective view that the spark plug of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 20 is the elevational schematic view that the spark plug of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 21 is the schematic perspective view that the inside of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 22 is the schematic perspective view that the outside of the round basin of side and the electrode (22) that acute angle star is dug at the middle part is arranged.
Figure 23 has the round basin of side and the worm's eye view of the electrode (22) that acute angle star is dug at the middle part.
Figure 24 has the round basin of side and the plan view of the electrode (22) that acute angle star is dug at the middle part.
Figure 25 is the schematic perspective view of the spark plug of electrode (23) that many sides and many gaps are arranged.
Figure 26 is the elevational schematic view of the spark plug of electrode (23) that many sides and many gaps are arranged.
Figure 27 is the plan view of electrode (23) that many sides and many gaps are arranged.
Figure 28 has extension (16a), arc portion (16b), the sectional view of the cranked electrode (16) of turn of bilge (16c).
Figure 29 is the elevational schematic view that the many sides and the spark plug of the electrode (121) in many foldings gap are arranged.
Figure 30 is the exploded perspective view that the many sides and the spark plug of the electrode (121) in many foldings gap are arranged.
Figure 31 is the sectional drawing that receives electrode (12).
Figure 32 is the worm's eye view that receives electrode (12).
Figure 33 is the elevational schematic view that receives electrode (12).
Figure 34 is the side view that receives electrode (12).
Figure 35 is the plan view that receives electrode (12).
Figure 36 is the stereogram that receives electrode (24).
Figure 37 is the sectional drawing that receives electrode (24).
Figure 38 is the schematic perspective view that receives electrode (24).
Figure 39 is the schematic perspective view that receives electrode jacket (25).
Figure 40 is the generalized section that receives electrode jacket (25).
Figure 41 has the generalized section that receives electrode (24) and receive the spark plug of electrode jacket (25).
Figure 42 is the activity assembling generalized section that receives electrode (24) and receive electrode jacket (25).
Figure 43 is the stereogram of discharge cartridge (11).
Figure 44 is the stereogram of the other direction of discharge cartridge (11).
Figure 45 is the sectional drawing of discharge cartridge (11).
Figure 46 is the worm's eye view of discharge cartridge (11).
Figure 47 is the worm's eye view of discharge cartridge (11).
Figure 48 is the schematic perspective view of piston (31) that function waveform (32) are arranged.
Figure 49 is the schematic top plan view of piston (31) that function waveform (32) are arranged.
Figure 50 is that schematic representation is looked on the right side of piston (31) that function waveform (32) are arranged.
Figure 51 is the cross-sectional schematic that the piston (31) of function waveform and waveform pit (33) is arranged.
Figure 52 is the schematic perspective view at another visual angle of piston (31) that function waveform (32) are arranged.
Figure 53 is the schematic perspective view at the another visual angle of piston (31) that function waveform (32) are arranged.
Figure 54 is the elevational schematic view of piston (31).
Figure 55 is the front-view schematic diagram of piston (31) that function waveform (32) are arranged.
Figure 56 is the schematic rear view of piston (31) that function waveform (32) are arranged.
Figure 57 is that schematic representation is looked on the left side of piston (31) that function waveform (32) are arranged.
Figure 58 is provided with exhaust convexity (34), air inlet pit (35), the schematic perspective view of the piston that function waveform (32) are arranged (31) of spark pit (36).
Figure 59 is provided with exhaust convexity (34), air inlet pit (35), and schematic representation is looked on the left side of the piston that function waveform (32) are arranged (31) of spark pit (36).
Figure 60 is provided with exhaust convexity (34), air inlet pit (35), the front-view schematic diagram of the piston that function waveform (32) are arranged (31) of spark pit (36).
Figure 61 is provided with exhaust convexity (34), air inlet pit (35), the schematic top plan view of the piston that function waveform (32) are arranged (31) of spark pit (36).
Figure 62 is provided with exhaust convexity (34), air inlet pit (35), the B-B cross-sectional schematic of the piston that function waveform (32) are arranged (31) of spark pit (36).
Figure 63 is provided with exhaust convexity (34), air inlet pit (35), the A-A cross-sectional schematic of the piston that function waveform (32) are arranged (31) of spark pit (36).
Figure 64 is by being provided with waveform pit (33), air inlet pit (35), the piston that function waveform (32) are arranged (31) of spark pit (36), and spark plug, the cross-sectional schematic of the firing chamber that valve is formed.
Among the figure, 1. be to have calibration (1a), zigzag fashion umbrella rib (1c), the outer calibration high pressure joiner (1) of fixing hole (1b) and internal thread (1d); 2. be pad (2); 3. be the insulator (3) of the multiple tracks umbrella rib of toothed tee section; 4. be the interior induction reactance of a threaded end (4) and the threaded the other end (4b) and inductance coil (15); 5. be the shell (5) of band heat radiation wing; 6. be S shape retaining washer (6); 7. be the glass-sealing agent (7) that contains resistance; 8. be to embed steel core (8); 9. be discharging electrode bar (9); 10. be to receive electrode tie rod (10); 11. be discharge cartridge (11); 12. be to receive electrode tip (12); 13. be to receive electrode tip shell (13); 14. be to receive electrode tip shell back-up ring (14); 15. be inductance coil (15); 16. be that extension (16a) is arranged, arc portion (16b), the cranked electrode (16) of turn of bilge (16c); 17. be a plurality of sharp notch (17); 18. be many foldings gaps (18); 19. under being outstanding (19); 20. be discharging gap (20); 21. be the electrode (21) that many sides and many gaps are arranged; 22. be that the round basin of side and the electrode (22) that acute angle star is dug at the middle part are arranged; 23. be that the electrode (23) that singly receives the many sides of having of electrode stem and many gaps is arranged; 121. be the electrode (121) that many sides and many foldings gap are arranged; 12a. be basin shape (12a); 12b. be side ring cutting groove (12b); 12d is flabellum (12d); 12e is thread-shaped groove (12e); 24a is an arc drum (24a); 24b is many sideshakes (24b); 25a is arc recessed (25a); 11a is side flabellum (11a); 11b is wedge (11b); 11c is screw thread or thread-shaped groove (11c); 31. be the piston (31) of firing chamber; 32. be the function waveform (32) of piston area; 33. be waveform pit (33); 34. be exhaust protruding (34); 35. be air inlet pit (35); 36. be spark pit (36).
Embodiment
Respectively assembling successively (and sintered ceramic and welding receive electrode tie rod) has calibration 1a, zigzag fashion umbrella rib 1c, the outer calibration high pressure joiner 1 of fixing hole 1b and internal thread, pad 2; The insulator 3 of the multiple tracks umbrella rib of toothed tee section, the interior induction reactance of a threaded end 4 and threaded the other end 4b and inductance coil 15, the shell 5 of band heat radiation wing; S shape retaining washer 6 contains the glass-sealing agent 7 of resistance, embeds steel core 8; Discharging electrode bar 9 receives electrode tie rod 10, discharge cartridge 11; Receive electrode tip 12, receive electrode tip shell 13, receive electrode tip shell back-up ring 14.The described calibration 1a that has, zigzag fashion umbrella rib 1c opens a groove on the electric conductor of the outer calibration high pressure joiner 1 of fixing hole 1b and internal thread at least, or multiple-grooved; Preferably the number of multiple-grooved is by the degree value; For example, the number of degrees of certain spark plug are 6, and the number of then slotting is 6; The number of degrees of certain spark plug are 7, and the number of then slotting is 7.Screw in the electric conductor of the fluting of described joiner 1 a threaded end 4 and knock fixing hole 1b spark plug is made.Screw in spark plug in the tapped hole of motor, S shape retaining washer 6 is closely fastened.Be inserted with the spark cap of rubber or plastic insulation shell, the electric conductor of joiner 1 and electrically conductive socket cap in that link to each other with the high pressure external connection linked to each other.When to ignition advance angle, electric current passes through joiner 1 successively, the interior induction reactance of a threaded end 4 and threaded the other end 4b and inductance coil 15; The glass-sealing agent 7 that contains resistance embeds steel core 8, discharging electrode bar 9; Receive electrode tie rod 10, discharge cartridge 11 receives electrode tip 12; Receive electrode tip shell 13, and at discharge cartridge 11 and receive 12 discharges of electrode tip.Described 4, part 15, part 7, part 8, part 9 insulated bodys 3 particularly ceramic body surround, just meeting coupling capacitive reactance mutually, described resistance and inductance have the effect of series parallel connection RCL equivalent circuit, and allotment suitably just has the effect of anti-radio interference.The shell 5 of band heat radiation wing is because of there being the heat diffusion area of the heat radiation wing more much bigger than original cylindrical body, and it is self-evident that its thermal diffusivity is improved to some extent.The described calibration 1a that has, zigzag fashion umbrella rib 1c, the zigzag fashion umbrella rib 1c of the outer calibration high pressure joiner 1 of fixing hole 1b and internal thread, the zigzag fashion in the outer part and the angle of axis are more slow, insert in order to the socket of spark cap is easy; And the angle of zigzag fashion in the inner part and axis is bigger, is difficult for deviating from order to the socket of spark cap.The groove depth of described fluting is the only about half of of joiner length overall; Fluting is different with its effect of not slotting, and is easy to behind the electric conductor fluting that little expansion forms multijaw and the socket of favourable spark cap is difficult for deviating from.Because the described characteristic that is provided with the shell 5 of band heat radiation wing is to be provided with heat radiation wing 5a; Heat radiation wing 5b; Heat radiation wing 5c, particularly described heat radiation wing is hexagonal, or circular; So will utilize original steel material, keep the material that will be cut away in vain originally a part and process the heat radiation wing as far as possible.Described heat radiation wing has at least one or more.The heat radiation wing can be processed with cutter with the hex wrench nut on it.Socket wrench can be inserted in deeper and morely when also being convenient to install, and is difficult for skidding.Because as improving, the present invention improves very cranked electrode 16 of common single ordinary telegram especially; It is characterized in that: described cranked electrode 16, shown in figure 15, by extension 16a; Arc portion 16b; Turn of bilge 16c forms, and this three part equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging electrode; And than original front head, helping the absolute quantity increase of the mixed air in the gap and the probability that catches fire increases.The residual gas at discharging gap place hopes and can clean that mixed air is caught fire easily, and this is bigger to warming-up and low-load performance effect; But do not hope to have strong air-flow directly to rush at discharging gap, thereby dispel fire nuclear, increase the cyclical variations rate of in-cylinder pressure at ignition point; Cause even catching fire, and by extension 16a, arc portion 16b; The described cranked electrode 16 that turn of bilge 16c is formed, beneficial to this; But also and function waveform piston collocation of this cranked electrode 16, preferably wave height C gets 0.5-0.9, and wave number N gets 15-21.
As the embodiment 2 who improves 2, be the electrode 12 that many sides and many foldings gap are arranged because the present invention improves electrode especially, it not only has aforesaid by extension 16a; Arc portion 16b, three parts that turn of bilge 16c is formed equate with the spacing of discharging electrode; Receive the discharging gap of electrode and discharging electrode thereby constitute, and, also be provided with a plurality of sharp notch 17 especially than original front head; So, be breakdown phase in the phase I of spark ignition process, when helping discharging; Make the ion flux that has punctured mixed gas, march on towards discharging electrode from receiving electrode.Though Peak current is big, the time of whole breakdown phase is very short, is merely ten microseconds, so a plurality of sharp notch 17 is feasible.Again because each is linked to each other with receiving electrode 12 by electrode stem 10; And the middle part that receives electrode 12 has many foldings gap 18; The second stage that helps in the spark ignition process is the electric arc stage, and is the glow discharge stage in the phase III of spark ignition process, the favourable discharge channel of opening; And be prone to make many foldings gap that more multi-hop fire passage is arranged, and be prone to make the mixed gas circulation.Kind electrode 12 also can be only with half, and there is discharging gap its end face and side, but the collocation of and function waveform piston.
As the embodiment 3 who improves 3, it is the electrode 21 that many sides and many gaps are arranged that the present invention improves electrode especially, aforesaid by extension 16a because it not only has; Arc portion 16b; This three part that turn of bilge 16c is formed equates with the spacing of discharging electrode, thereby constitutes the discharging gap that receives electrode and discharging electrode; And, also be provided with a plurality of sharp notch 17 especially than original front head; Each receives electrode stem and be connected as one by electrode, is convenient to make; Because the two ends of making discharging gap 20 at the middle part of the described electrode 21 that many sides and many gaps are arranged have outstandingly down 19, described outstanding 19 bottom down is lower than the discharging electrode top again, and its use is the front that has added sideflash.The particularly described transverse features that the electrode 21 in many sides and many gaps arranged is a slice at least, or is more than two, for example three.Be preferably multi-disc, thus help forming grid sheet grid point battle array effect, thus increase the possibility of electricity fire nuclear and cydariform discharge; Because under engine operational conditions, static ignition of mixed gas energy only needs 0.2 milli burnt, and the ignition of mixed gas energy of high flow velocities only needs 3 millis burnt; And the energy that classic ignition system is supplied with is burnt greater than 30 millis, and 10 times of amounts are promptly arranged, positive these characteristics of good utilisation; Design multi-disc grid sheet grid of the present invention, at various physical fields aerodynamic field for example, electric field; And fluid field turbulent flow; And under the electrochemical comprehensive function, be prone to form little the trembling of grid sheet grating compartment, and favourable carbon deposit and the favourable discharging gap formation discharge channel of shrugging off.As the embodiment 3 who improves 4; Because described have the electrode 21 in many sides and many gaps or remove the single electrode stem that receives; Its characteristic specialization is that the electrode 23 that singly receives the many sides of having of electrode stem and many gaps is arranged; So its usefulness is material-saving still not, and can form little the trembling of grid sheet grating compartment and favourablely shrug off carbon deposit and favourable discharging gap forms discharge channel; So this electrode can be arranged in pairs or groups with the function waveform piston that does not have protruding especially and pit.
As the embodiment 5 who improves 5, it is that the round basin of side and the electrode 22 that acute angle star is dug at the middle part are arranged that the present invention improves electrode especially, because of it is characterized in that having the round basin of side and middle part to dig acute angle star; There is basin shape promptly not only end face to be arranged but also the side is arranged, thereby added the front of sideflash; Acute angle star has been dug in the center, is meant that the angle of its star pawl that stretches out of star is an acute angle; Its characteristic is acute angle particularly, rather than right angle or obtuse angle.Or a star, or two stars, or a plurality of star; Five-pointed star preferably; Form asymmetric multipoint random discharge channel so help wedge effect and the point discharge effect of discharging gap, help increasing the possibility of discharge and remove carbon deposit, the electrode of acute angle star helps the continuity of electrical spark effect and the distortion of the spark sharp side due to the turbulent flow; Molecule interpenetrates, and turbulent flow speed increases.This electrode is fitted and the waveform piston collocation that spark pit 36 is arranged.
There is the internal-combustion engine of active receiving electrode and fine motion discharging electrode to use ignition mechanism, has from fine motion function and changeable electrodes core, with changing for a long time.Because electrode 12 and electrode shell 13 have oligodynamics by screw thread or the movable mutually assembling of thread-shaped groove that the described inside that receives electrode tip shell 13 is provided with, and by blocked by electrode tip shell back-up ring 14; Can change, also can work, but in order further to strengthen jiggle effect; Obtain the better fine motion and the effect of trembling, help discharge and repel carbon deposit, as improving 6; The present invention improves electrode 12 especially, and arc drum 24a's receive electrode tip 24 in order to have; And improve and to receive electrode tip shell 13 to receive electrode tip shell 25 for what the recessed 25a of arc arranged, be aided with aforesaid other all part, becoming another money has the internal-combustion engine of active receiving electrode and fine motion discharging electrode to use ignition mechanism.Owing to receive electrode tip 24, be provided with arc drum 24a, and many sideshakes 24b.Arc drum 24a and the recessed 25a fine motion of arc match; For example 0.1mm of little the sphere of activities can be arranged up and down; Simultaneously; Particularly arc drum 24a can rotate with respect to the recessed 25a of arc, so the recessed rotatability of arc drum is good than the screw thread or the thread-shaped groove of original part more, so the trend of its fine setting and carbon deposition removal is more excellent during arcing; The place that first time punctures during discharge is at second time and next be still the position that is prone to hit, because the shake and the fine motion of electrode are particularly rotated; With regard to regard to the place of relative two electrode punctures last time; Relatively-stationary discharge place cannot not turn to fixingly and has avoided, thereby makes the local displacement of multiple discharge, just has the electrode molecule to be translated into gaseous state and loss and discharge each time; So its usefulness is self-evident, has prolonged the life-span of electrode and has been beneficial to carbon deposition removal.The shake and the fine motion of electrode are particularly rotated, and under the vibration condition in kinetic energy engine are to be prone to obtain.Because described discharge cartridge 11 and the inside that receives electrode tip 24 are analogous to and receive electrode tip 12, constitute discharging gap by the basin shape of top and ring sidepiece, and a plurality of wedge angles that cut out are arranged at the top and dig a plurality of ring thread-shaped grooves in week, favourable arcings at the ring sidepiece.The many sideshakes 24b that is particularly set up in the discharging gap district is characterized in that being provided with at least one at described ring sidepiece, or 2; Or it is a plurality of; Particularly the opening of 6 perforations helps flowing and the discharging carbon deposit of mixed gas, and particularly rotates the air-flow that provides additional for shake and fine motion.Because the characteristic of the wedge 11b of described discharge cartridge 11 is to be provided with the polygonal pyramid that digs out in the top, so particularly criss-cross polygonal pyramid is the edgetone effect of the ion flux that helps lighting a fire; Make in the basin shape gap that contains end face and ring side of spark plug, the local especially gap that has increased polygonal pyramid, the position part that fiery karyomorphism is become is left wall; A buffer cells is arranged, can avoid being stuck near the influence of the residual gas of wall, simultaneously; Cooperated the many sideshakes 24b that sets up, particularly arc drum 24a helps the wedge collision and the turbulence effect of mixed gas with respect to the rotation of the recessed 25a of arc; Add discharge cartridge 11 and receive the fine motion of electrode tip 24 and the effect of trembling that the absolute quantity of the mixed gas in the gap is increased, and the probability that catches fire also increases; In addition, wedge collision and turbulent flow also help repelling the carbon deposit Molecular flow, reach the mixture that the part in the basin shape gap has liquefaction to be inclined in the wedge; The opportunity of Arc Discharge is not only arranged, and the cydariform discharge of similar electric discharge machining discharge is arranged, thereby; Its General improves the sparkover quality, and performance of operating condition is better.The criss-cross polygonal pyramid of the wedge 11b of described discharge cartridge 11 can be utilized to put the instrument of thread, and screw thread or the thread-shaped groove 11c of wedge 11b and discharging electrode bar 9 are matched.The described cross that receives electrode tip 12 and receive electrode tip 24 also can be utilized to put the instrument of thread.The side flabellum 11a of described discharge cartridge 11 has complementary little transferring to use and complementary discharge process.This electrode is suitable arranges in pairs or groups with the waveform piston that spark pit 36 is arranged.Spark pit 36 increases seed region, and air inlet pit 33 increases air inlet and flows, and exhaust pit 33 has the squish effect, and function wave helps deflagration wave and disseminates.
Because described multiple improvement can supply various types to select for use, and also can revise advance angle and regulation and control high-voltage pulse parameter when on probation in the hope of better.The special in addition improvement 7 that proposes is to make the positive and negative switching-over of high electric field pulse and change direction, and also can try out.Though the spark ignition process is very complicated, the mankind still have many aspects not clear so far, we know electricity positive and negative to discharging electrode with receive the loss of electrode that Different Effects is arranged.Improving 7 is a kind of methods for the minimizing export license, is the positive and negative switching-over that makes electric current and voltage, and this is not difficult to realize with electromagnetism class and electrical type circuit, for example uses astatic multivibrator and differentiator; The number of times of switching-over or synchronous with engine speed, or intermittently, or some switching-overs in period at interval, be worth further improving.Described various improvement all helps increasing the possibility of discharge and removes carbon deposit and reduce export license, maybe will be when practicality select for use after particularly firing angle comes pilot according to different machine types, and with the firing chamber collocation that function wave is arranged of improvement.
The present invention relates to a kind of internal-combustion engine improvement the firing chamber that function wave is arranged and with the matching method of the internal-combustion engine of active receiving electrode and fine motion discharging electrode with ignition mechanism arranged; It is will be with engine model adaptive and with the ignition mechanism collocation theory of preferable effect is arranged just to propose combustion-chamber geometry; The suggestion of the method for the collocation of proposition combustion chambers of internal combustion engines and each ignition mechanism; The function wave firing chamber also is provided and, is beneficial to energy-saving and emission-reduction with the adaptive function wave firing chamber of Parabolic convex-concave; Described have the firing chamber of function wave that multiple or multiple combination is arranged, and the piston area of forming the firing chamber is function waveform or multiple combination, and for example sinusoidal wave equation is:
SDi＝C*SIN(TRAJPAR*360*N)
, in the following formula, i is the dimension figure sequence number; SIN=SINE, sine function; TRAJPAR is a lopcus function;
But the difference for various vortex-like squish turbulent flows will have computer mould to fit kinds of experiments, and wave height C and wave number N will arrange in pairs or groups.For example, adapted cranked electrode 16, preferably wave height C gets 0.5-0.9, and wave number N gets 15-21; Help the diffusion of mixed gas along waveform.Because the function waveform of the piston area of described firing chamber is 32, and be provided with waveform pit 33 at the middle part of the function waveform 32 of the piston area of described firing chamber, the envelope that it is characterized in that described pit is a curve, particularly involute, or parabola; The piston of described firing chamber is 31; And the function waveform 32 of the piston area of described firing chamber or other functions, involute for example, parabola, and adopt the round inner vortex of post system of coordinates; And the function waveform 32 at the piston area of the piston 31 of described firing chamber is provided with waveform pit 33, also is provided with exhaust protruding 34; And be provided with air inlet pit 35, and be provided with spark pit 36, it is characterized in that: the envelope of described exhaust protruding 34 is curves; Particularly involute, or parabola, and its convexity is in the position near exhaust valve; Exhaust valve has part or local overlapping with the projection of exhaust protruding 34 in other words, and projection is to throw on the face vertical with the piston motion direction; The envelope of described air inlet pit 35 is curves; Particularly involute, or parabola, and its pit is in the position near intake valve; Intake valve has part or local overlapping with the projection of air inlet pit 35 in other words, and projection is to throw on the face vertical with the piston motion direction; The envelope of described spark pit 36 is curves; Particularly involute, or parabola, and its pit is in the position near spark plug; Spark plug has part or local overlapping with the projection of spark pit 36 in other words; Projection is to throw on the face vertical with the piston motion direction, so exhaust protruding 34 has the squish effect when outlet valve is closed.Air inlet is from pouring the firing chamber in the ring week of suction valve, and has part to be formed on the counterclockwise eddy current in the northern hemisphere at air inlet pit 35, strengthens mixed effect; After the suction valve closure, partial-air admission forms little vortex at spark pit 36, favourable igniting and the fiery diffusion of examining; The function waveform 32 of piston area has further improved the proximity and the uniformity of the Rich Maurier progression of distribution of shock and propagation.
Because as improving, so that general, on the function waveform 32 of the piston area of the piston 31 of described firing chamber; Be provided with waveform pit 33, also be provided with exhaust convexity 34, and be provided with air inlet pit 35; And spark pit 36, and exhaust convexity 34, and air inlet pit 35; And the envelope of spark pit 36 all is curve, particularly involute, or parabola; And described exhaust is protruding 34, and air inlet pit 35, and trisection is uniformly distributed with according to centre in the position of spark pit 36, and is roughly not far from its ideal position zone, so suitable effect is also arranged.
With described equation input CNC machining center, neutralize the punching block of cast aluminium alloy with CIMATRO or MASTCAM, or use milling machine, planer and electric discharge machining again; When using electric discharge machining,, then to make the tungsten copper electrode earlier with described equation input CNC machining center; Produce in batches with the die casting machine that cold pressing chamber or hot pressing chamber are arranged again; Machining again.The piston multipurpose material is aluminum alloy ZL109, or AC8A.Like racing car or military car, piston is near the material of combustor surface or with highly heat-conductive material such as silver alloy under high-end condition; Perhaps use exotic material such as silver-colored tungsten-copper alloy, even with special highly heat-conductive material such as synthetic diamond.
Special needs to be pointed out is that function waveform of the present invention also can adopt other waveform, for example the slightly slick and sly waveform of other multiple mathematical function or other non-precipitous broken line.
Claims (9)
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| CN201010245241A CN101907035B (en) | 2010-07-30 | 2010-07-30 | Function wave combustion chamber of internal combustion engine and method for matching combustion chamber with ignition device |
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| CN102269042A (en) * | 2011-08-05 | 2011-12-07 | 嘉兴善拓机械有限公司 | Combustion chamber of gasoline engine |
| CN104989489A (en) * | 2015-06-02 | 2015-10-21 | 宁波大叶园林设备有限公司 | Engine of lawn mower, with fuel gas mixer integrating gas mixing flues and three-level decompressing chamber |
| CN105179045A (en) * | 2015-06-02 | 2015-12-23 | 宁波大叶园林设备有限公司 | Two-stroke engine with logarithmic spiral and sine gas port decompression integrated mixer |
| JP6559740B2 (en) * | 2017-07-13 | 2019-08-14 | 日本特殊陶業株式会社 | Spark plug |
| CN116464989A (en) * | 2023-04-19 | 2023-07-21 | 西北工业大学 | Restartable underwater vehicle combustion chamber |
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| Publication number | Publication date |
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| CN101907035A (en) | 2010-12-08 |
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Address after: Zhejiang province Yuyao City Yangming Road 315400 No. 518 Patentee after: Ningbo big leaf garden equipment Limited by Share Ltd Address before: Zhejiang province Yuyao City Yangming Road 315400 No. 518 Patentee before: Equipment Co., Ltd. Ningbo Ye Yuanlin |