CN205400970U - Cycle of engine ignition economizer and engine - Google Patents
Cycle of engine ignition economizer and engine Download PDFInfo
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- CN205400970U CN205400970U CN201620173078.8U CN201620173078U CN205400970U CN 205400970 U CN205400970 U CN 205400970U CN 201620173078 U CN201620173078 U CN 201620173078U CN 205400970 U CN205400970 U CN 205400970U
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- engine
- cycle
- combustor
- ignition
- energy saving
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Abstract
The utility model discloses a cycle of engine ignition economizer, include: the nozzle, it sets up in the combustion chamber top to communicate with the combustion chamber, adiabatic chamber, it is through the passageway intercommunication the nozzle for store the high temperature high -pressure gas that the combustion chamber produced, and the ignition valve, it sets up in the passageway, be used for control the opening and closing of passageway, wherein, work as when the ignition valve is opened, high temperature high -pressure gas gets into the combustion chamber for the indoor mist of ignition combustion. The utility model discloses a cycle of engine ignition can store the high temperature high -pressure gas who burns and produce in the combustion chamber to release high temperature high -pressure gas lights a fire the implementation space when the cylinder need be lighted a fire. Simultaneously, design into adjustable volumetric adiabatic cavity to ignition nozzle, make whole engine akin variable compression than the engine, improve the comprehensive properties of engine. The utility model also provides an engine.
Description
Technical field
This utility model relates to engine art, particularly relates to a kind of energy saver utilizing high temperature and high pressure gas to realize cycle of engine igniting.
Background technology
It is mechanical energy that the combustor of electromotor is used for the chemical energy of fuel.Several factor is depended in lighting of gasoline engine combustion chamber fuel: combustion mixture temperature, the type of lighter, ignition energy, fuel-air ratio, ignition energy input point and combustion mixture admixture etc. combustion chamber of petrol engine needs a lighter to puncture combustion mixture generation electric spark triggering combustion process, the commonly used spark plug igniter of current gasoline engine, this ignition system produces a high-voltage pulse and is added on spark plug, the high voltage electric field of a transient state is produced between two electrodes of spark plug, this high electric field causes air-fuel mixture gas puncture or discharge, form plasma spark and then realize the burning of combustor air-fuel mixture gas.This mode spark-discharge Relatively centralized, the impact of the distribution of mixture strength that ignition results is changed and mixture temperature, temperature cylinder, therefore bring mixing gas combustion instability, burning rapidly and a difficult problem for incomplete combustion.
After engine combustion indoor gaseous mixture body is lighted, combustion mixture burning expansion promotes piston acting, and there will be the moment that gaseous mixture temperature is the highest, pressure is maximum in combustor in this course, gaseous mixture temperature now is the highest and has significantly high energy, try to be utilized to realize other cylinder spark, plug ignition compared to tradition sparking mode, ignition energy is higher, ignition point distribution is relatively uniform extensively, it is beneficial to spark propagation in combustor, it is advantageously implemented the burning completely of combustion mixture, reaches energy-efficient purpose.
Additionally, the petrol engine of fixing compression ratio can not give full play to the performance of electromotor under various operating modes.Such as, when the Smaller load slow-speed of revolution, the relatively low corresponding combination property of engine thermal efficiency is poor, therefore requires there is higher compression ratio；And when big load height rotating speed, if compression ratio is higher, be easy to produce detonation and produce very big thermic load, cause body to damage, therefore at this moment require to adopt less compression ratio.The compression ratio of electromotor is continuously adjusted, it is possible to excavate the potentiality of electromotor to greatest extent, and then improve the combination property of electromotor with the change of load.But being limited by structure restriction for conventional engines, its combustion chamber volume and displacement are certain, are difficulty with variable compression ratio.
Summary of the invention
This utility model has designed and developed a kind of cycle of engine igniter, it is therefore an objective to overcome existing gasoline engine to adopt the igniting of spark plug single-point, spark-discharge Relatively centralized, causes that mixing gas efficiency of combustion is not high, the problem increasing energy consumption.
Another purpose of the present utility model is to realize engine compression ratio continuous variable.
The technical scheme that this utility model provides is:
A kind of cycle of engine ignition energy saving device, including:
Nozzle, it is arranged on above combustor, and and combustion chamber；
Insulation chambers, it is by nozzle described in channel connection, for storing the high temperature and high pressure gas that combustor produces；And
Lighting valve, it is arranged in described passage, for controlling the opening and closing of described passage；
Wherein, when described lighting valve is opened, described high temperature and high pressure gas enters combustor, for lighting the mixing gas in combustor.
Preferably, described nozzle interior is provided with cylindrical cavity, and it connects described combustor, forms a part for combustor.
Preferably, described compression ratio adjustment mechanism is arranged on described nozzle top.
Preferably, described compression ratio adjustment mechanism includes:
Piston, it is arranged in described cylindrical cavity, is divided into upper cavity and lower chamber；
Actuating unit, it can drive piston to move up and down in described cylindrical cavity, changes the volume of described lower chamber, thus changing the compression ratio of electromotor.
Preferably, described dynamic structure includes:
Motor；
Driving gear, its fixing output shaft connecting described motor；
Driven gear, itself and described driving gear engage；
Screw rod, its end is fixing connects described piston, the center threaded engagement of described screw rod and described driven gear.
Preferably, the pressure differential according to combustor and insulation chambers, it is achieved the opening and closing of described lighting valve.
Preferably, described motor is DC servo motor, and its rotating is controlled.
Preferably, described screw rod upper end is welded with lock dog, and the flat ear of its both sides inserts in the groove of cylinder head, is fixed lock dog both sides, it is prevented that lock dog drives screw rod and piston to carry out circular motion
A kind of electromotor, including a kind of cycle of engine ignition energy saving device, also includes: spark plug, and it is fixed in cylinder head, bottom and combustion chamber, it is possible to light the combustion mixture in described combustor.
A kind of cycle of engine ignition method, including a kind of cycle of engine ignition energy saving device, also includes:
During engine start, lighting valve is closed, and adopts spark plug separated ignition mode to light a fire；
Circulation igniter gets involved, and circulation igniter and spark plug are lighted a fire jointly, make electromotor reach even running；
Spark plug is no longer participate in igniting, circulates ignition device, it is achieved the continuous periodic duty of electromotor.
The beneficial effects of the utility model are: adopt cycle of engine igniter, when engine cold-start, carry out auxiliary firing by space igniting, make engine cold-start more rapid and reliable.Engine start switches to circulation igniter separated ignition pattern after completing, get involved without spark plug, avoid the long-time cold start-up of spark plug and low temperature and time idle, easily produce carbon distribution, reduce the life-span and increase ignition energy consumption, and simplifying engine igniting system.Owing to high temperature and high pressure gas has higher energy, in combustor, spread speed is faster, in combustor, combustion mixture easily realizes space igniting, therefore, the sparking mode adopting high temperature and high pressure gas can make combustion mixture burning in combustor more abundant, while improving engine output, reduce electromotor energy consumption.Meanwhile, ignition burner is designed to the heat insultating cavity of adjustable volume, makes whole electromotor be equivalent to variable compression ratio engine, improves the combination property of electromotor.
Accompanying drawing explanation
Fig. 1 is electromotor described in the utility model single cylinder cycle igniter valve arrangement schematic diagram.
Fig. 2 is the structural representation of compression ratio adjustment mechanism structure described in the utility model
Fig. 3 is the structural representation that cycle of engine igniter described in the utility model is applied on four cylinder engine.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
As it is shown in figure 1, described nozzle 1 arranges above combustor, described lighting valve 5 is arranged in passage, channel connection insulation chambers 3 and nozzle 1, is used for controlling the circulation of high temperature and high pressure gas in insulation chambers 3 and combustor 9.Nozzle 1 bottom connects with combustor 9, it is possible to high temperature and high pressure gas in insulation chambers 3 is sprayed in combustor 9 uniformly, it is achieved in combustor 9, being uniformly distributed of combustion mixture is lighted.Nozzle 1 has high temperature and high pressure gas reflux capability, when in insulation chambers 3 gas pressure intensity less than combustor 9 in gas pressure intensity time, high temperature and high pressure gas can recoil rapidly into insulation chambers 3.Insulation chambers 3 has certain structural strength and calorific intensity, it is possible to storing high temperature and high pressure gas, in order to keep the ignition energy of high temperature and high pressure gas, this insulation chambers 3 also has good thermal insulation.
Described lighting valve 5, by controlling the circulation of high temperature and high pressure gas in insulation chambers 3 and combustor 9, controls the igniting of electromotor.The time of ignition of electromotor should meet engine operational cycle needs, burning mixture in high temperature and high pressure gas point gas cylinder, certain time is needed to burning completely from igniting, in order to make electromotor produce maximum power, at the DC ignition of cylinder 10 compression travel, and should should suitably not put forward previous angle, so when piston 11 reaches top dead centre, combustion mixture is close to fully burning, and electromotor just can send peak power.
The control of lighting valve 5 can adopt the control mode being similar to conventional engines ignition system, by being similar to the unlatching of the structure control lighting valve of ignition distributor, thus controlling the duration of ignition and ignition order.The difference is that traditional approach control be spark plug, this utility model by pressure reduction change control lighting valve 5 break-make.Adopt pressure reduction control mode, it is not necessary to independent actuator comes 5 switches of drive ignition valve, simple in construction.
Described spark plug 6, spark plug used by conventional gasoline machine, it is arranged on the right of described nozzle, is supported on engine cylinder cap 7.Electromotor start time insulation chambers 3 in but without collection high temperature and high pressure gas, it is impossible to realize cylinder spark by the gas in insulation chambers 3, it is necessary to spark plug 6 is first lighted a fire.After spark plug 6 has been lighted a fire, the high temperature and high pressure gas that insulation chambers 3 stores has higher ignition energy, it is possible to achieve the igniting of combustion mixture in combustor 9.Now, can closing spark plug 6, electromotor can pass through to circulate igniter circulation igniting.If but electromotor is in cold start-up operating mode, namely when intake air temperature is very low, cylinder wall temperature is relatively low, when now combustion charge is few, may be used without conventional ignition plug 6 and described circulation igniter works simultaneously and ensures combustion mixture reliable ignition, after engine start, switch to circulation igniter separated ignition mode of operation.
When cylinder 10 needs to light a fire, lighting valve 5 is opened, and high temperature and high pressure gas enters combustor 9 by lighting valve 5 through nozzle 1 from insulation chambers 3, it is achieved in combustor 9, combustion mixture lights.After in insulation chambers 3, high temperature and high pressure gas flows out, cavity temperature and pressure decline rapidly, and now in combustor 9 after burning mixture burning temperature and pressure rise rapidly, piston 11 is promoted externally to do work on the one hand, on the other hand, when gas pressure intensity in the gas pressure intensity burnt in combustor 9 is more than insulation chambers 3, again high temperature and high pressure gas is recoiled into insulation chambers 3 through nozzle 1 and lighting valve 5, make high temperature and high pressure gas in insulation chambers 3 be supplemented.When in combustor 9, temperature and pressure close lighting valve 6 when reaching maximum, now store gas energy in insulation chambers 3 and also reach the highest, finally make insulation chambers 3 complete the collection of high temperature and high pressure gas, implement igniting for subsequent work cylinder and prepare.
As in figure 2 it is shown, described compression ratio adjustment mechanism 4 is connected to the top of described nozzle 1, described compression ratio adjustment mechanism 4 includes: motor 48, driving gear 49, piston 41, screw rod 44, driven gear nut 43, guide holder 42, fixing lock dog 45.Described motor 48 is 5V DC servo motor, piston 41 is fixed on the lower end of screw rod 44, described driven gear nut 43 is connected with the guide holder 42 being arranged at nozzle 1 top, described screw rod 44 top is welded with a lock dog 45, the flat-sided ear 46 of this lock dog two inserts in the groove 47 of cylinder head 7 correspondence, it is possible to prevent piston 41 and screw rod 44 from carrying out circular-rotation.Described motor 48 and gear reduction are respectively mounted and are bearing on the body of cylinder head 7.Motor 48 controls moving up and down of screw rod 44 by driving gear 49 and driven gear nut reducing gear, thus driving piston 41 to move up and down in the cylindrical cavity of ignition burner 1 change cavity volume below ignition burner 1.
When needs regulate engine compression ratio, it is dynamic that direct current generator 48 drives driven gear nut 43 deceleration to increase torsion by driving gear 49, move up and down so that screw rod 44 drives regulating piston 41 to lean on seals rod guide 42, thus changing lower chamber volume in the cylindrical cavity of nozzle 1.Owing to the cavity of nozzle 1 is a part for combustor 9, therefore in nozzle 1 cylindrical cavity, lower chamber volume changes, and can cause that engine compression ratio changes therewith.When regulating piston 41 moves up, send out
Motivation compression ratio reduces；When regulating piston 41 moves down, engine compression ratio increases.For this by controlling the rotating of direct current generator 48, thus accurately controlling the piston 41 position in nozzle 1 inner chamber, engine compression ratio can be allowed to realize the consecutive variations of compression ratio within the specific limits, thus excavating the potentiality of electromotor to greatest extent, improve the combination property of electromotor.
As it is shown on figure 3, when described circulation igniter is applied to multiple cylinder, a set of circulation ignition energy saving device need to be arranged on each cylinder.Wherein, the insulation chambers 3 of each cylinder is communicated as one, and utilizes the high-temperature high-pressure fuel gas that a upper working cylinder produces to light the combustion mixture in subsequent work cylinder after entering insulation chambers 3, it is achieved circulation igniting.
1 spark plug is adopted to light a fire owing to multicylinder engine amounts to; principle is said and also can realize circulation sparking mode; it is contemplated that bent axle present position not necessarily makes the cylinder of outfit spark plug be in the phase sequence of next ignition operation when electromotor is shut down, can cause that engine start is bad.Reliable ignition when this utility model adopts the organization plan that each cylinder still retains conventional ignition plug can be effectively ensured engine start.For this, the technical scheme of 1 spark plug of employing can not constitute the new creation being different from technical solutions of the utility model.
As shown in Figure 3, four cylinder engine adopts the ignition order of 100, No. 2 cylinders of No. 1 cylinder, 400, No. 3 cylinders 300 of 200, No. 4 cylinders successively, and adopt each cylinder separated ignition mode, namely it is left out existing two cylinders to light a fire the sparking mode of (one of them is normal ignition, and another be useless fiery) simultaneously simultaneously.The new creation of technical solutions of the utility model it is different from for adopting the scheme of other ignition orders and other multi cylinder sparking mode not constitute.
nullWhen electromotor just starts，Prepare to switch to circulation sparking mode from conventional ignition plug sparking mode，Now described spark plug 130 is lighted a fire，Make to produce in combustor 140 high temperature and high pressure gas，After dynamic piston 150 does work，Control lighting valve 120 by pressure reduction control mode to open，And other cylinder spark valves 220、320、420 close，In ignition, combustion room 140, high temperature and high pressure gas enters insulation chambers 3 by lighting valve 120 via ignition burner 110，When in combustor 140, gas temperature and pressure reach maximum，Close lighting valve 120，Now it is full of high temperature and high pressure gas in insulation chambers 3，Intracavity gas temperature and pressure reach maximum，Now engine start completes，Tradition sparking mode formally switches to circulation sparking mode，Now spark plug 130、230、330、430 are in closed mode.
After engine start completes, in insulation chambers 3, it is full of high temperature and high pressure gas.When engine crankshaft operating is to No. 2 cylinders 200, open lighting valve 220, and, lighting valve 120,320 and 420 remains turned-off, and the high temperature and high pressure gas stored in insulation chambers 3 enters combustor 240 by lighting valve 220 via ignition burner 210.While combustion mixture externally promotes piston 250 acting, owing in insulation chambers 3, temperature and pressure decline rapidly, open according to the lighting valve 220 that pressure reduction controls, when in combustor 240 gas pressure intensity more than insulation chambers 3 in pressure time, high temperature and high pressure gas enters insulation chambers 3 by ignition burner 210 via lighting valve 220, supplement the gas in insulation chambers 3, be allowed to continue to keep high-temperature high-pressure state to prepare subsequent cycle and use.
When No. 4 cylinders 400 of subsequent cycle cylinder need to light a fire, lighting valve 420 is opened, and lighting valve 120,220,320 is closed, and in insulation chambers 3, high temperature and high pressure gas passes through lighting valve 420 via ignition burner 410 combustor 440, burning mixture externally promotes piston 450 to do work, and produces high temperature and high pressure gas.When in combustor 440 gas pressure intensity more than insulation chambers 3 in pressure time, high temperature and high pressure gas enters insulation chambers 3 by ignition burner 410 via lighting valve 4,20, supplements the gas in insulation chambers 3, is allowed to continue to keep high-temperature high-pressure state to prepare subsequent cycle and uses.
When No. 3 cylinders 300 of next circulating air cylinder need to light a fire, lighting valve 320 is opened, simultaneously lighting valve 120,220,420, close, in insulation chambers 3, high temperature and high pressure gas enters in combustor 340 by lighting valve 320 via nozzle 310, burning mixture externally promotes piston 350 to do work, and produces high temperature and high pressure gas.When in combustor 340 gas pressure intensity more than insulation chambers 3 in pressure time, high temperature and high pressure gas enters insulation chambers 3 via lighting valve 320 by ignition burner 310, supplements the gas in insulation chambers 3, is allowed to continue to keep high-temperature high-pressure state to prepare subsequent cycle and uses.
The break-make of loop control lighting valve 120,220,420,320 is passed sequentially through according to igniting sequential, in insulation chambers 3, gas temperature and pressure are always close to burn in combustor 140,240,340,440 maximum temperature produced and pressure, light a fire with high ignition energy for each cylinder cycle, each cylinder cycle works, it is achieved light a fire in cycle of engine space.
When electromotor normally starts, spark plug 130 is only at engine start initial stage auxiliary firing, and engine start is the closedown of all spark plugs 130,230,330,430 after completing.If but electromotor is in cold start-up operating mode, when the high temperature and high pressure gas ignition energy of insulation chambers 3 offer is inadequate, also traditional approach can be adopted, all spark plugs 130,230,330,430 and bright described circulation igniter work simultaneously and ensure combustion mixture reliable ignition, treat that electromotor works after a period of time, departing from cold start-up operating mode and turn off all spark plugs 130,230,330,430, formal entrance circulates ignition mode.
The high temperature and high pressure gas stored in described insulation chambers 3, it is possible to light rapidly the combustion mixture in combustor 7.Compared to conventional ignition plug sparking mode, the ignition energy of high temperature and high pressure gas is high, and ignition point is more uniform, and in combustor 7, spread speed is faster.Cyclic space sparking mode is conducive to the abundant burning of combustion mixture in combustor 7, improves engine output and the thermal efficiency.Meanwhile, higher ignition energy, faster spread speed, the lean burn being also beneficial in cylinder combustion mixture, save fuel.
Adopt cycle of engine igniter, it is possible to store the high temperature and high pressure gas that burning Indoor Combustion produces, and release high temperature and high pressure gas realizes space igniting when cylinder needs to light a fire.Meanwhile, ignition burner is designed to the heat insultating cavity of volume-tunable joint volume, makes whole electromotor be equivalent to variable compression ratio engine, improve the combination property of electromotor.
Although embodiment of the present utility model is disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (9)
1. a cycle of engine ignition energy saving device, it is characterised in that including:
Nozzle, it is arranged on above combustor, and and combustion chamber；
Insulation chambers, it is by nozzle described in channel connection, for storing the high temperature and high pressure gas that combustor produces；And
Lighting valve, it is arranged in described passage, for controlling the opening and closing of described passage；
Wherein, when described lighting valve is opened, described high temperature and high pressure gas enters combustor, for lighting the mixing gas in combustor.
2. cycle of engine ignition energy saving device according to claim 1, it is characterised in that described nozzle interior is provided with cylindrical cavity, it connects described combustor, forms a part for combustor.
3. cycle of engine ignition energy saving device according to claim 1 and 2, it is characterised in that also include: compression ratio adjustment mechanism, it is arranged on described nozzle top.
4. cycle of engine ignition energy saving device according to claim 3, it is characterised in that described compression ratio adjustment mechanism includes:
Piston, it is arranged in described cylindrical cavity, is divided into upper cavity and lower chamber；
Actuating unit, it can drive piston to move up and down in described cylindrical cavity, changes the volume of described lower chamber, thus changing the compression ratio of electromotor.
5. cycle of engine ignition energy saving device according to claim 4, it is characterised in that described dynamic structure includes:
Motor；
Driving gear, its fixing output shaft connecting described motor；
Driven gear, itself and described driving gear engage；
Screw rod, its end is fixing connects described piston, the center threaded engagement of described screw rod and described driven gear.
6. cycle of engine ignition energy saving device according to claim 1, it is characterised in that the pressure differential according to combustor and insulation chambers, it is achieved the opening and closing of described lighting valve.
7. cycle of engine ignition energy saving device according to claim 5, it is characterised in that described motor is DC servo motor, and its rotating is controlled.
8. cycle of engine ignition energy saving device according to claim 5, it is characterised in that described screw rod upper end is welded with lock dog, the flat ear of its both sides inserts in the groove of cylinder head, is fixed lock dog both sides, so that screw rod can move up and down.
9. an electromotor, it is characterised in that including: the cycle of engine ignition energy saving device described in claim 1-8 any one, also includes: spark plug, and it is fixed in cylinder head, bottom and combustion chamber, it is possible to light the combustion mixture in described combustor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173078.8U CN205400970U (en) | 2016-03-07 | 2016-03-07 | Cycle of engine ignition economizer and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173078.8U CN205400970U (en) | 2016-03-07 | 2016-03-07 | Cycle of engine ignition economizer and engine |
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| Publication Number | Publication Date |
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| CN205400970U true CN205400970U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620173078.8U Withdrawn - After Issue CN205400970U (en) | 2016-03-07 | 2016-03-07 | Cycle of engine ignition economizer and engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569905A (en) * | 2016-03-07 | 2016-05-11 | 吉林大学 | Engine circulating ignition energy saving device, engine and circulating ignition method of engine |
-
2016
- 2016-03-07 CN CN201620173078.8U patent/CN205400970U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569905A (en) * | 2016-03-07 | 2016-05-11 | 吉林大学 | Engine circulating ignition energy saving device, engine and circulating ignition method of engine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20180413 |