CN201535197U - Low-fuel-consumption lean-burn gasoline engine packaged technical device - Google Patents
Low-fuel-consumption lean-burn gasoline engine packaged technical device Download PDFInfo
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- CN201535197U CN201535197U CN2009202731896U CN200920273189U CN201535197U CN 201535197 U CN201535197 U CN 201535197U CN 2009202731896 U CN2009202731896 U CN 2009202731896U CN 200920273189 U CN200920273189 U CN 200920273189U CN 201535197 U CN201535197 U CN 201535197U
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Abstract
The utility model relates to the internal combustion engine technology, in particular to a low-fuel-consumption lean-burn gasoline engine packaged technical device, which belongs to the technical field of internal combustion engines. The low-fuel-consumption lean-burn gasoline engine packaged technical device comprises an engine, the engine is provided with an air inlet passage, the air inlet passage is provided with an air inlet door, the middle portion of the air inlet passage is connected with a secondary air inlet system, and a piston is arranged on the engine. The low-fuel-consumption lean-burn gasoline engine packaged technical device is characterized in that a spark plug is arranged on the engine, a piston is arranged inside a cylinder body and connected with a connecting rod, the connecting rod is connected with a crankshaft, one end of the crankshaft is provided with a V-shaped belt stepless speed changer, the speed changer comprises a pulley, the pulley is provided with pulley balls and a press disc, and a belt and a belt external press disc are arranged at the rear of the pulley. By adopting the packaged technical device, a burning chamber of the engine burns more sufficiently, and further, the burning chamber, the spark plug and an exhaust pipe seldom have accumulated carbon.
Description
Technical field
The utility model relates to a kind of internal-combustion engine technology, relates to a kind of complete set of technical device for lean-burn gasoline engine with low gasoline consumption specifically, belongs to technical field of internal combustion engines.
Background technique
Internal-combustion engine operated with lean mixture can effectively reduce the fuel consume of internal-combustion engine, the fuel efficiency of raising internal-combustion engine, simultaneously under the improvement of other various technology, also can realize extremely low pollutant emission and significantly reduce CO2 emission, make it become the focus of each automotive industry power research and development of the world.But lean combustion engine also has the problem that it need solve: because mixed steam surpasses theoretical empty combustion mass ratio 14.7: 1, so it is very slow that velocity of combustion or velocity of propagation of flame become, interrupted state appears easily in burning, variety of issue such as cause the discharge amount of engine power decline, incomplete combustion, HC to increase, the oil consumption of vehicle is risen on the contrary.People attempt to overcome the above problems by the whole bag of tricks, keep the advantage of lean-combustion engine simultaneously, introduce no longer one by one at this.The utility model has introduced that a kind of relatively effectively methodology and measure are carried out lean combustion under the prerequisite of the power character of assurance motor through overtesting and vehicle road examination back proof, significantly reduced fuel consume, though exhaust emissions is not tested, the contained penetrating odor of tail gas seldom.The firing chamber of motor, spark plug, outlet pipe almost do not have carbon distribution to produce.Because mixed steam is very rare, combustion temperature also is controlled in the very low scope, and motor does not have superheating phenomenon.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art part, a kind of complete set of technical device for lean-burn gasoline engine with low gasoline consumption is provided, this device adopts V-shape belt buncher forerunner Moving plate to include Puli's dish, on Puli's dish Puli pearl and platen are arranged, Puli is coiled the back belt and belt external pressure plate.By between platen and Puli's dish, packing ring being installed, being increased Puli pearl method for quality, reduced the maximum deceleration ratio of stepless speed variator, adjusted whole velocity ratio, improved the impacting force of Puli's dish to belt, reduced the probability of belt slippage, improve transmission efficiency, reduced the working speed of motor, improved the engine power utilization ratio.Produce many electric arcs of umbrella between the center discharge end of the spark plug of the high lean flammability limit that this device adopts and the ground connection housing, the flame that the mixed steam of being lighted by electric arc produces spreads fast to the both sides of electric arc.Owing between insulating material and the ground connection housing ring-shaped pre-combustion chamber is arranged, the also mixed steam of high compression abrim, mixed steam herein is very near from the fire nuclear distance that electric arc produced, therefore the side of flame front in ring-shaped pre-combustion chamber is in bamboo telegraph, make the high pressure mixing vapour that is present in this ring-shaped pre-combustion chamber burn, expand, produce High Temperature High Pressure rapidly, then this burst High Temperature Gas cognition sprays into the firing chamber at a high speed, has accelerated the burning of other lean mixture vapour in the firing chamber.Long electric arc can fully spread to the heat that it produced in the mixed steam, rather than is absorbed by electrode, can significantly improve the lean flammability limit of motor, significantly reduces exhaust emissions, and the power character of motor goes up not down simultaneously.
The utility model is realized with following technological scheme: a kind of complete set of technical device for lean-burn gasoline engine with low gasoline consumption, it comprises motor, intake duct is arranged on the motor, intake valve is arranged on the intake duct, the intake duct middle part is connected with the secondary air inlet system, piston is arranged on the motor, it is characterized in that: on the described motor spark plug is arranged, piston is arranged in the cylinder body, and piston is connected with connecting rod, and connecting rod is connected with bent axle, bent axle one end has forerunner's Moving plate of V-shape belt buncher, drive plate includes Puli's dish, on Puli's dish the Puli pearl is arranged, major diameter Puli pearl and platen, Puli is coiled the back belt and belt external pressure plate.
Described spark plug includes the ground connection housing, and there is sparking electrode at ground connection housing center, and there is discharge end at the sparking electrode center, between ground connection housing and the sparking electrode insulating material is arranged, and a ring-shaped pre-combustion chamber is arranged between ground connection housing and the insulating material.
Also have air outlet flue on the described motor, exhaust valve is arranged on the air outlet flue.
Between described Puli's dish and the platen packing ring is arranged.
The utility model has the advantages that: adopt this complete set of technical device, make the engine chamber burning more abundant, firing chamber, spark plug, outlet pipe almost do not have carbon distribution to produce.Because mixed steam is very rare, combustion temperature also is controlled in the very low scope, and motor does not have superheating phenomenon.Under the vehicle power influence is not very big situation, experiment vehicle discharge capacity 80cc pedal motorcycle, fuel consumption per hundred kilometers is reduced to 1L, under the situation without any external purification device and catalyst converter, have only slight penetrating odor in the tail gas, meet national energy saving and environmental protection requirement.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is the utility model structural representation;
Fig. 2 is forerunner's Moving plate structural representation of V-shape belt buncher;
Fig. 3 is the spark plug partial sectional view;
Fig. 4 is the partial sectional view of spark plug improvement project;
Fig. 5 is the structural representation of simulation HCCI combustion manner spark plug;
Among the figure: 1, air outlet flue, 2, exhaust valve, 3, spark plug, 31, the ground connection housing, 32, sparking electrode, 33, insulating material, 34, discharge end, 35, ring-shaped pre-combustion chamber, 4, motor, 5, intake valve, 6, intake duct, 7, mixed steam annular ascending eddy, 8, piston, 81, connecting rod, 82, bent axle, 9, cylinder body, 10, major diameter Puli pearl, 11, platen, 12, the secondary air inlet system, 13, packing ring, 14, Puli pearl, 15, Puli dish, 16, belt, 17, the belt external pressure plate.
Embodiment
As shown in Figure 1, the compression ratio of the motor of high compression squish ring vortex firing chamber is more than or equal to 11: 1, the specific implementation method that improves compression ratio can redesign shape and the volume that cylinder head changes the firing chamber, or directly use the cylinder head of discharge capacity under the no problem prerequisite installing, or under the situation that does not change cylinder head, directly expand cylinder increase discharge capacity and come increasing compression ratio than puffer; Simultaneously squish area to be set, when piston runs to upper dead center, mixed steam in the squish area is pressed against the center of firing chamber, forms the motion that a mixed steam annular ascending eddy 7 has promoted compression end of a period mixed steam in the firing chamber, has accelerated the speed of lean mixture vapour flame propagation; Described high-energy igniter can be high energy ID Inductive Discharge device or high-energy capacitor discharge ignition, require the arcing distance to be greater than 1cm, the long arc duration will be arranged simultaneously, the function of repeatedly lighting a fire is continuously if possible preferably arranged, so owing to the slow electronic spark advance angular curve of lean mixture vapour velocity of combustion also will shift to an earlier date.Forerunner's Moving plate of V-shape belt buncher includes Puli's dish, on Puli's dish Puli pearl and platen is arranged, and Puli is coiled the back belt and belt external pressure plate.By between platen and Puli's dish, packing ring being installed, increase Puli pearl method for quality, reduced the maximum deceleration ratio of stepless speed variator, thereby adjusted velocity ratio, improved the impacting force of Puli's dish, reduced the probability of belt slippage, improved transmission efficiency belt, reduce the working speed of motor, improved the engine power utilization ratio.
As shown in Figure 2, forerunner's Moving plate of V-shape belt buncher, increase the quality of Puli pearl by coil the method that major diameter Puli pearl 10 is installed between 15 platen 11 and Puli, reduced the maximum deceleration ratio of stepless speed variator simultaneously, adjusted velocity ratio, improved the impacting force of Puli's dish, reduced the probability of belt slippage, improved transmission efficiency belt.
Shown in Fig. 3,4, produce many electric arcs of umbrella between the center discharge end 34 of the spark plug 3 of high lean flammability limit and the ground connection housing 31, the flame that the mixed steam of being lighted by electric arc produces spreads fast to the both sides of electric arc.Owing between insulating material 33 and the ground connection housing 31 ring-shaped pre-combustion chamber 35 is arranged, the also mixed steam of high compression abrim, mixed steam herein is very near from the fire nuclear distance that electric arc produced, therefore the side of flame front in ring-shaped pre-combustion chamber is in bamboo telegraph, make the high pressure mixing vapour that is present in this ring-shaped pre-combustion chamber burn, expand, produce High Temperature High Pressure rapidly, then this burst High Temperature Gas is known from experience the burning that sprays into other lean mixture vapour of quickening in the firing chamber at a high speed.
As shown in Figure 5, combustion characteristic according to hcci engine: hcci engine is that the high temperature that utilizes high compression to produce is lighted mixed steam, that is to say at compression all small gasoline particles in the after-burner and almost begin to react with oneself oxygen at one's side at synchronization, this also be hcci engine burning so rapidly main cause (the whole finishing combustions of all fuel in the cylinder that takes fire, crank position has only turned over less than 5 °
(1)), it is not almost as the process of common Spark ignition type petrol engine flame propagation.Owing to there is the process of such flame propagation, the phenomenon that flame is interrupted appears in the burning of lean-burn Spark ignition type petrol engine easily, causes burning bad, and pollutant emission increases the weight of.According to this combustion characteristic of hcci engine, it can be equal to has arranged that in the firing chamber numerous spark plug is evenly distributed on each corner of firing chamber so, allows the effect that they light a fire and produced simultaneously.Spark-ignition engine also can have the combustion manner much at one with HCCI like this, and the advantage of being brought is exactly high burning efficiency and low NOx, carbon smoke exhaust.Has only a center sparking electrode on this high lean flammability limit spark plug, the ground connection housing of spark plug, firing chamber inwall and valve are as the discharge ground electrode, the shape of center sparking electrode according to the firing chamber suitably extended, make sparking electrode be in the position at center, firing chamber, under the support of high-energy igniter, sparking electrode will puncture the mixed steam in the whole firing chamber simultaneously, discharge many electric arcs in the firing chamber all mixed steams are lighted simultaneously, reduce the process of flame propagation as far as possible.
Reference: (1) " research of hcci engine ignition process Control Parameter ", " internal-combustion engine " NO.1 in 2009
Claims (4)
1. complete set of technical device for lean-burn gasoline engine with low gasoline consumption, it comprises motor (4), intake duct (6) is arranged on the motor, intake valve (5) is arranged on the intake duct, the intake duct middle part is connected with secondary air inlet system (12), piston (8) is arranged on the motor, it is characterized in that: spark plug (3) is arranged on the described motor (4), piston (8) is arranged in the cylinder body (9), piston (8) is connected with connecting rod (81), connecting rod is connected with bent axle (82), bent axle one end has V-shape belt buncher forerunner Moving plate, drive plate includes Puli's dish (15), on Puli's dish Puli pearl (14) is arranged, major diameter Puli pearl (10) and platen (11), Puli is coiled the back belt (16) and belt external pressure plate (17).
2. a kind of complete set of technical device for lean-burn gasoline engine with low gasoline consumption according to claim 1, it is characterized in that: described spark plug (3) includes ground connection housing (31), there is sparking electrode (32) at ground connection housing center, there is discharge end (34) at the sparking electrode center, insulating material (33) is arranged between ground connection housing and the sparking electrode, a ring-shaped pre-combustion chamber (35) is arranged between ground connection housing and the insulating material.
3. a kind of complete set of technical device for lean-burn gasoline engine with low gasoline consumption according to claim 1 is characterized in that: also have air outlet flue (1) on the described motor, exhaust valve (2) is arranged on the air outlet flue.
4. a kind of complete set of technical device for lean-burn gasoline engine with low gasoline consumption according to claim 1 is characterized in that: between described Puli's dish (15) and the platen (11) packing ring (13) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202731896U CN201535197U (en) | 2009-12-02 | 2009-12-02 | Low-fuel-consumption lean-burn gasoline engine packaged technical device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202731896U CN201535197U (en) | 2009-12-02 | 2009-12-02 | Low-fuel-consumption lean-burn gasoline engine packaged technical device |
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| CN201535197U true CN201535197U (en) | 2010-07-28 |
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| CN2009202731896U Expired - Fee Related CN201535197U (en) | 2009-12-02 | 2009-12-02 | Low-fuel-consumption lean-burn gasoline engine packaged technical device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967923A (en) * | 2014-05-22 | 2014-08-06 | 马守斌 | Connecting rod protecting device for crankshaft |
| CN110206653A (en) * | 2019-05-23 | 2019-09-06 | 东风汽车集团有限公司 | A kind of fuel injection control method and system reducing directly jetting gasoline engine spark plug fouling |
-
2009
- 2009-12-02 CN CN2009202731896U patent/CN201535197U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967923A (en) * | 2014-05-22 | 2014-08-06 | 马守斌 | Connecting rod protecting device for crankshaft |
| CN103967923B (en) * | 2014-05-22 | 2016-04-27 | 于浩 | A kind of connecting rod protective gear for bent axle |
| CN110206653A (en) * | 2019-05-23 | 2019-09-06 | 东风汽车集团有限公司 | A kind of fuel injection control method and system reducing directly jetting gasoline engine spark plug fouling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20111202 |