CN106246430A - A kind of oil-gas two-way nozzle - Google Patents
A kind of oil-gas two-way nozzle Download PDFInfo
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- CN106246430A CN106246430A CN201610692802.2A CN201610692802A CN106246430A CN 106246430 A CN106246430 A CN 106246430A CN 201610692802 A CN201610692802 A CN 201610692802A CN 106246430 A CN106246430 A CN 106246430A
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- Prior art keywords
- oil
- compressed air
- nozzle
- fuel
- fuel injection
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention is a kind of oil-gas two-way nozzle, is mainly made up of fuel injection system and blast injection system, and its working media is fuel oil and compressed air respectively.When the rotating speed of electromotor is the highest, load little or in the case of low on fuel, does not spray fuel oil, i.e. fuel injection system and is in off state, and compressed air works as assist medium, and what at this moment nozzle body (2) sprayed is compressed air；When nozzle body (2) needs to spray fuel oil, compressed air inlet solenoid (7) power-off, blast injection system is then in off state, and spool solenoid (25) is energized, and fuel injection system enters duty.Present configuration is simple, solve the problem in terms of the consumption of traditional combustion engine fuel oil and energy-conserving and environment-protective, and the key issue of air motor flying power difference, and without the gas handling system of electromotor and fuel oil supply system are carried out bigger change, the purpose of fuel economy and energy-saving and emission-reduction can be reached, reduce operating cost simultaneously.
Description
Technical field
The invention belongs to engine structure part device technical field in dynamic power machine, be specifically related to a kind of oil-gas two-way spray
Mouth, both can provide power with jet compression air for electromotor, it is also possible to injection fuel oil provides power, according to the work of electromotor
Condition switches between two kinds of energy.
Background technology
Along with the fast development of auto industry, automobile industry production and marketing cumulative year after year, promote the development of global economy.But
It is that the most most automobiles use internal combustion engine as power, and it is valuable not that internal combustion engine consumes bulk petroleum, natural gas etc.
Regenerative resource, the current whole world is faced with the fearful situation that energy shortage even will be exhausted.Meanwhile, the combustion that internal combustion engine uses
After material burning, will produce substantial amounts of harmful gas, these harmful gass can also result in global warming effect to environment
Should.
At present, the dynamic mode of the most widely used mixing reaches the purpose of energy-saving and emission-reduction, hybrid power
Refer generally to the composite power equipped with power-driven system and internal combustion engine, break through in terms of keeping high speed and enough course continuation mileage travelings
Pure electric-powered restriction, fuel economy is also improved simultaneously, reduces exhaust emissions.But its dynamical system includes two sets
Power set, drive and control system is complex, and cost is high.
In recent years, along with the development of air motor technology and progressively ripe, air car is as a kind of novel
New-energy automobile, is gradually known.Its principle is by compressed-air-storing in high pressure gas holder, the compressed air of high pressure
By being depressurized to suitable electromotor operating pressure, worked by air nozzle supply air motor.Its working media derives from
Air, the tail gas of discharge is pure air, does not has any pollution to environment.Air car has prominent advantage, with
Time also there is certain weak point.Compressed air energy force density for gasoline is low, for ensureing enough course continuation mileages,
Needing to provide abundant pressure pan to store compressed air, therefore it is not suitable for long-distance running.
The high-pressure injection mode of atomizer and air nozzle is the most domestic and international internal combustion engine and the main medium of air motor
Supply mode, the mode of operation of intake port injection electromotor is to be ejected in air intake duct by working media, is made by piston movement
Fuel-air mixture in air intake duct is drawn in cylinder and is operated by the negative pressure produced in cylinder.The nozzle of automobile is by electricity
Magnet valve controls, and when solenoid valves, nozzle is started working, and now makes electrician on back-moving spring owing to the action of a magnetic field produces suction
Making, needle-valve or the spout of nozzle are opened, so that working media is sprayed by spout.The energising of nozzle, power-off are by automatically controlled list
Unit is with electric pulse control.
In sum, in the prior art, either traditional combustion engine electromotor, oil electric mixed dynamic or air force
Electromotor, has respective merits and demerits.Therefore, in the urgent need to a kind of medium supply taking into account energy-conserving and environment-protective and simple in construction
System, oil-gas two-way nozzle just can meet this needs.
In the most existing technology, applicant does not finds this oil-gas two-way nozzle.Patent existing to analogous technical
Finding when retrieving, the date of application is 2011.08.31, and the Chinese patent literature of Patent No. 201110254140.8 is open
The air-fuel mixture atomizer used in a kind of automobile engine, mainly by optimizing nozzle body in this art solutions
Structure makes liquid fuel atomization become gaseous fuel to can be achieved with the mixing of primary atomization fuel and air when spraying, and reaches to burn thorough
The end and the effect of energy-saving and emission-reduction；Although this invention effect compared with transmission atomizer is more preferable, but still the most fundamentally solves
The problem of switching between gas and fuel delivery.Date of application is 2009.05.07, Application No.
200920131562.41562.4 Chinese patent literature " air nozzle, gas ejecting system and motor vehicles " disclose a kind of air nozzle,
This air nozzle is used for spraying pressure-air to drive electromotor to work, even if working long hours, air nozzle also will not because of temperature too
Cold and condense icing, the work that air nozzle, high-pressure gas engine and motor vehicles are continual and steady can be made；This art solutions is only
With gases at high pressure as working media, it is not related to the supply of fuel oil, is not the most fully solved air car continuation of the journey and length
The problem that way travels.Date of application is 2013.03.28, and " oil gas is common for the Chinese patent literature of Application No. 201320146073.2
With the electromotor of nozzle " disclose a kind of oil gas share nozzle, this technology is nozzle substituted for inlet valve oil gas share, it is possible to real
Fuel and air oil gas required for existing electromotor flow into cylinder, and it is low that it manufactures operating cost, effectively simplifies engine air
Cylinder structure；But it simply a kind of assumes to improve in kind, how do not relate to the internal structure of nozzle and operation principle
Go to realize, only as theoretic reference, have little significance.
In view of New Energy Industry is vigorously supported by variety of problems and the country of above-mentioned existence, need badly and develop a fitting
Close traditional combustion engine and comprehensive fuel oil and the dual-purpose nozzle of air force each advantage.
Summary of the invention
It is an object of the invention to provide a kind of simple and reasonable, fuel oil is situated between as auxiliary as main medium, pressure-air
The oil-gas two-way nozzle of matter, can realize energy-saving and emission-reduction, the oil-air mixing nozzle reduced the cost, and its effect is better than turbo charged effect
Really.
The present invention solves its technical problem and uses following technical scheme:
The oil-gas two-way nozzle that the present invention provides, it is mainly made up of fuel injection system and blast injection system,
Its working media is fuel oil and compressed air respectively；When the rotating speed of electromotor is the highest, load is little or in the case of low on fuel,
Not spraying fuel oil, i.e. fuel injection system to be in off state and be not involved in work, compressed air is started working as assist medium,
At this moment nozzle body injection is compressed air；When nozzle body needs to spray fuel oil, compressed air inlet solenoid power-off, pressure
Contracting air system is then in off state, and spool solenoid is energized, and fuel injection system enters duty.
Described fuel injection system and blast injection system, share a nozzle body, and this nozzle body head is interior
Outer double-layer structure, inside is the spool of balanced type poppet valve, and its structure is overall through, can form puff prot, and outside is
Fuel injection needle and ball.
Described nozzle body has multiple nozzle opening and 1 puff prot, and each nozzle opening is to there being 1 fuel injection needle and 1
Individual ball；Described fuel injection needle and ball, they are symmetrical by the circular arc of 360 ° relative to the axis of nozzle body, utilize oil spout
Pin can realize combustion oil injection by nozzle opening；It is equipped with seal receptacle on the top of nozzle opening and the bottom of ball.
Described nozzle body has fuel injection chamber and oil spout road, and fuel oil is passed in fuel injection chamber by oil pipe, and fuel injection chamber is passed through
Fuel oil is passed through in nozzle opening by oil spout road.
Described nozzle body has fuel injection needle control piece, and this fuel injection needle control piece includes that oil ring, fuel injection needle control spring, valve
Bar fairlead and balanced type poppet valve；Described fuel injection needle controls spring, and its one end leans against on elastic washer, and its other end leans against
Stem guiding puts, and its elastic force controls fuel injection needle and the opening and closing of ball, and this elastic force is by shaft end ring and stop sleeve backstop；Elastic
Packing ring is supported on shaft end ring and stop sleeve；Balanced type poppet valve the most concentric through elastic washer, oil ring and
Stem guiding set, connects in its in the reverse direction and has compression air flow channel.
Described balanced type poppet valve, its internal cavities is provided with oil pipe, and the two gap is for the flowing of compressed gas.
Described blast injection system, it is provided with compressed air inlet, fuel filler and pressure chamber, compressed air
Entrance and fuel filler are arranged at the head of nozzle body, and i.e. away from one end of air intake duct, compressed air inlet is with pressure chamber even
Logical, fuel oil enters in nozzle body by fuel filler, and compressed air is entered in nozzle body by compressed air inlet.
Described pressure chamber, it is provided with compressed air inlet spring, compressed air inlet solenoid and compressed air
Entrance armature, wherein: compressed air inlet spring drives compression sky in jet side upwardly through compressed air inlet solenoid
The opening and closing of gas entrance armature 8, thus control compressed-air actuated inflow in compression air flow channel.
The above-mentioned oil-gas two-way nozzle that the present invention provides, it is sent out in I. C. engine, air motor, oil electricity mixing
Application in motivation.
When the present invention applies, it is contained in the position of described motor intake manifold atomizer.
The present invention compared with prior art has the advantages that:
1. owing to have employed new structure so that nozzle is possible not only to the oil of ejection atomization, it is also possible to realize compressed air
Column injection, and can guarantee that stable flow, reach to control accurate purpose.
2. achieve the injection of two media with a nozzle, and can in two media any switching laws, effectively simplify
The structure of cylinder, this has major and immediate significance to energy-saving and emission-reduction and reduction fuel consumption aspect simultaneously.
3. simple in construction, practicality:
Owing to common admission manifold branch structure is complicated, installing space reserved after assembling with engine cylinder block is the least, therefore
Compressed-air atomizer and fuel nozzle should not be installed separately, so can take inlet manifold space and can not be by compressed air
Or fuel oil is directly injected to above inlet valve smoothly.In the present invention, compressed-air atomizer and fuel nozzle are designed to a bodily form
Olefiant gas dual-purpose nozzle, only need to do simple modifications former inlet manifold, oil-gas two-way nozzle is arranged on the position of former fuel injector
On, it is not necessary to big amendment, both easy accessibility are made in the design to inlet manifold, have saved development cost, improve again electromotor
Work efficiency.
4. can supplement the combustion powered of internal combustion engine by compressed air, its economic benefit and social benefit are notable,
Effect is better than turbocharged engine.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of oil-gas two-way nozzle segment.
Fig. 3 is the top view of oil-gas two-way nozzle segment.
In figure: 1. oil-gas two-way nozzle；2. nozzle body；3. compressed air inlet；4. electric connection；5. oil pipe；6. compression sky
Gas entry springs；7. compressed air inlet solenoid；8. compressed air inlet armature；9. fuel injection needle control piece；10. oil ring；
11. fuel injection needles control spring；12. fuel injection chamber；13. oil spout roads；14. fuel injection needles；15. balls；16. seal receptacles；17. nozzle openings；
18. axis；19. air intake ducts；20. puff prots；21. jet directions；22. oil spout directions；23. stem guiding sets；24. balanced types
Poppet valve；25. spool solenoids；26. elastic washers；27. valve rod travel；28. shaft end rings；29. stop sleeve；30.
Compression air flow channel；31. compressed air inlet spring bases；32. pressure chambers；33. oil inlet pipes；34. filter screens；35. fuel fillers.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated, but does not limit the present invention.
The oil-gas two-way nozzle 1 that the present invention provides, its structure is as it is shown in figure 1, be mainly made up of two parts system, first
Dividing is fuel injection system, and Part II is blast injection system.The working media of two systems is fuel oil and pressure respectively
Contracting air, when engine speed is higher, load big in the case of, fuel injection system participation work, blast injection system
Being in off state and be not involved in work, at this moment as ordinary internal combustion engine, nozzle injection is fuel oil.
In fuel injection system, it has a nozzle body 2.
Described nozzle body 2, including 4 nozzle openings 17 and 1 puff prot 20.Each nozzle opening 17 is to there being 1 spray
Spindle 14 and ball 15.According to Fig. 3,4 nozzle openings 17 are symmetrical by the circular arc of 360 ° relative to the axis 18 of nozzle body 2
Distribution, to realize optimal spray effect.By nozzle opening 17 and puff prot 20, make compressed air and fuel oil will be injected into into
In air flue 19, this air intake duct 19 is positioned at above engine cylinder combustion room.
Described fuel injection needle 14 and ball 15 are combined into one, and the direction of motion that they open and close is consistent
's.
Described nozzle body 2, also includes seal receptacle 16, and the stroke scalable of fuel injection needle 14, and seal receptacle 16 is positioned at oil spout
The top in hole 17 and the bottom of ball 15.
This fuel injection system also includes fuel injection chamber 12 and oil spout road 13, and fuel oil is passed in fuel injection chamber 12 by oil pipe 5.
Fuel oil is passed through nozzle opening 17 by oil spout road 13 by fuel injection chamber 12.
Further, in fuel injection system, being additionally provided with fuel injection needle control piece 9, it is arranged on the pars intermedia of nozzle body 2
Position, its head one end is fuel injection needle, and the other end leans against on elastic washer 26.Described fuel injection needle control piece 9, from the angle of stroke adjustment
From the point of view of Du, it includes fuel injection needle 14, oil ring 10 and stem guiding set 23；From the perspective of structure forms, it includes oil ring
10, fuel injection needle controls spring 11 and balanced type poppet valve 24, and the opening and closing of fuel injection needle 14 and ball 15 can be controlled by it,
The spray regime of regulation fuel oil.Fuel injection needle 14, oil ring 10 and stem guiding overlap 23 as an entirety at fuel injection needle control piece 9
In do not use any axial or circumferentially fixed measure, only rely on axial end each other press close to setting.Fuel injection needle 14 is by fuel injection needle
The elastic force controlling spring 11 controls its opening and closing.Fuel injection needle controls one end of spring 11 and leans against on elastic washer 26, and the other end leans on
On stem guiding set 23.Elastic washer 26 is supported on shaft end ring 28 and stop sleeve 29, shaft end ring 28 and backstop set
The elastic force of fuel injection needle control spring 11 can be played the effect of backstop by cylinder 29.Shaft end ring 28 and nozzle body 2 can be processed into one
Body or use certain fixing mode to be connected.
Described fuel injection needle controls the spring 11 axial direction in axis 18 and controls fuel injection needle 14 and the opening and closing of ball 15, with
Time also indirectly drive shaft ring 10 and stem guiding set 23, control between oil ring 10 or stem guiding set 23 and stop sleeve 29
Valve rod travel 27.
Further, the inside of balanced type poppet valve 24 is cavity structure, and oil pipe 5 is arranged on balanced type poppet valve
In cavity within 24, and oil pipe 5 is coaxial with balanced type poppet valve 24, and tubing diameter is much smaller than balanced type poppet valve
The diameter of bar 24, therefore do not affect the flowing of compressed gas.Balanced type poppet valve 24 depends on along the jet direction 21 that arrow represents
Secondary concentric overlapping 23 through elastic washer 26, oil ring 10 and stem guiding, connecting in its in the reverse direction has compression air flow channel
30.Compressed air can be sprayed onto air intake duct 19 by puff prot 20 by means of this balanced type poppet valve 24.
Further, in the case of fuel injection needle 14 closes, shaft end ring 28 is supported on elastic washer 26, and this is permissible
Regard the initial position of the non-each parts of oil spout state as.Now, elastic washer 26 and shaft end ring 28 or stop sleeve 29 it
Between define a valve rod travel 27, this valve rod travel 27 is the axial end relative to each other by stop sleeve 29 and oil ring 10
Axial distance between face realizes.This valve rod travel represents that the lift of fuel injection needle 14 and ball 15 is about 0.15mm.Wherein,
Fuel injection needle 14 and ball 15 carry a time in the range of 2ms 10ms, and the long distributive value of opening time is big, the short spray of opening time
Oil mass is few, depending on this needs different distributive value sizes according to the speed conditions of automobile engine.
In the present invention, spool solenoid 25, for the control valve throw of lever 27, i.e. controls unlatching and the Guan Bi of fuel injection needle 14.
Additionally, fuel oil is injected in oil inlet pipe 33 by fuel filler 35, the import department at oil inlet pipe 33 is provided with filter screen
34.Oil inlet pipe 33 is along coaxial being arranged in compressed air inlet armature 8 of part in direction, axis 18, and compressed air inlet
The work of armature 8 does not affect the normal fuel injection of system.Fuel oil is introduced separately in each fuel injection chamber 12 along oil spout direction 22, then
It is ejected in air intake duct 19 by nozzle opening 17.
The nozzle body 2 of the present invention is provided with blast injection system, is provided with compression in blast injection system
Air intake 3, fuel filler 35 and pressure chamber 32, compressed air inlet 3 connects with pressure chamber 32.Blast injection process
Air pressure be about 3MPa, constitute blast injection system and the element directly contacted with pressure-air: compressed air enters
Mouth 3, compressed air inlet spring 6, compressed air inlet armature 8, puff prot 20, balanced type poppet valve 24 and compressed air
Runner 30 all uses high voltage bearing material (such as carbon fiber) to manufacture.Fuel oil enters in nozzle body 2 by fuel filler 35, compression
Air is entered in nozzle body 2 by compressed air inlet 3.
Described fuel injection needle controls spring 11 and compressed air inlet spring 6, and it is respectively by compressed air inlet electromagnetism
The electrifying condition of coil 7 and spool solenoid 25 controls the moment of oil spout and jet, and two solenoids are all by electricity
The current signal that joint 4 transmits when being energized comes separately-driven, and electric connection 4 is contained in the inlet end side of nozzle body 2, and is positioned at spray
The side of mouth body 2.
Described nozzle body 2 is additionally provided with compression air flow channel 30, and its end is designed to the structure of wedge shape, wedge-shaped opening straight
Footpath communicates with the diameter of compressed air inlet armature 8.What compression air flow channel 30 was coaxial is arranged on compressed air inlet spring base
In 31, one end of compressed air inlet spring base 31 leans against on shaft end ring 28, and the other end leans against the outer wall of pressure chamber 32, is used for
Bear produced elastic force when compressed air inlet spring 6 works.Pressure chamber 32 is disposed with compressed air inlet spring 6, pressure
Contracting air intake solenoid 7 and compressed air inlet armature 8, they the most such work: work as compressed air inlet
After solenoid 7 powers on, compressed air inlet armature 8 is opened by the elastic force of compressed air inlet spring 6, and now compressed air is suitable
Profit is entered in runner by the wedge-shaped opening of compression air flow channel 30.Compressed air inlet solenoid 7 belongs to high-frequency electrical magnetic control
System so that the time that compressed air inlet armature 8 is opened and closed is in the range of 2ms-5ms.
Electric connection 4 in the present invention transmits current signal when being energized can be respectively to compressed air inlet solenoid 7 and valve
Electromagnetic wire circle 25 individually controls, thus is controlled the opening and closing moment of oil spout and jet respectively.
The present invention provide oil-gas two-way nozzle, its working media is compressed air and fuel oil, when electromotor rotating speed not
High, load is little or in the case of low on fuel, do not spray fuel oil, i.e. fuel injection system and be in off state and be not involved in work
Making, compressed air is started working as assist medium, and at this moment oil-gas two-way nozzle 1 injection is compressed air；Work as oil-gas two-way
When nozzle 1 needs to spray fuel oil, compressed air inlet solenoid 7 power-off, blast injection system is then in off state,
Spool solenoid 25 is energized, and the associated components of fuel injection system enters duty.Its specific works process is as follows:
Shown here go out original state in, compressed air inlet solenoid 7 and spool solenoid 25 are in
Off-position, does not the most carry out medium injection.
When fuel oil is as the working media of electromotor, need, by 4 nozzle openings 17, fuel oil sprays into air intake duct 19.For
Realizing the fuel oil injection of 4 nozzle openings 17, high pressure fuel enters nozzle by fuel filler 35, and internal being provided with of fuel filler 35 is put
There is filter screen 34, the impurity in filter fuel and precipitation.Balanced type poppet valve 24 and steel ball 15 and fuel injection needle 14 are combinations
Integral, when current signal is transmitted in electric connection 4 energising, make spool solenoid 25 power on and produce electromagnetic force, this work
Firmly forcing fuel injection needle to control spring 11 to be compressed, this elastic force acts on the in the reverse direction in oil spout direction 22 so that balanced type carries
Ovable valve stem 24, ball 15 and fuel injection needle 14 are raised from seal receptacle 16.Described 4 nozzle openings 17 and fuel injection chamber 12, oil spout
Road 13 is connection, and fuel oil can be injected to air intake duct 19 from nozzle opening 17 by fuel injection chamber 12 and oil spout road 13.
Fuel injection needle 14 is risen the spacing of direction and can be realized by the end of shaft end ring 28 or stop sleeve 29, and this is spacing
Design is between stop sleeve 29 and oil ring 10, i.e. stroke-limit is showed by valve rod travel 27.
When compressed air is as the working media of electromotor, compressed air enters nozzle body by compressed air inlet 3
2, in nozzle body, there are a compressed air inlet solenoid 7, compressed air inlet spring 6 and compressed air inlet armature 8
It is combined into one.When current signal is transmitted in electric connection 4 energising, compressed air inlet solenoid 7 is made to power on and produce electromagnetism
Active force, this active force forces compressed air inlet spring 6 to be compressed, is opened by compressed air inlet armature 8, make compressed air
Enter in compression air flow channel 30 smoothly, then in the cavity within balanced type poppet valve 24, and along jet
Direction 21 is sprayed onto air intake duct 19 by puff prot 20.When compressed air inlet solenoid 7 power-off, compressed air inlet spring
6 under the effect of the elastic force of self return, compressed air inlet armature 8 returns to the position before air inlet, the most just stops supplying
Gas.
The diameter of puff prot 20 is about 10mm, and blast injection system not only needs the pressure ensureing jet to be stable
3MPa, and to ensure that stable spray air flow is about 400g/s, in the design it is intended that compressed air inlet armature 8 and
Fuel injection needle 14, ball 15 on opening/closing time almost without delay, it is possible to obtain the fastest opening and closing speed.
In aforementioned, as in figure 2 it is shown, the head of nozzle body 2 is inside and outside double-layer structure, inside is balanced type poppet valve 24
Spool, its structure is overall through, can form puff prot 20, and outside is fuel injection needle 14 and ball 15.
When needs terminate injection, spool solenoid 25 or compressed air inlet solenoid 7 power-off, fuel injection needle control
Spring 11 processed or compressed air inlet spring 6 active force in the direction of the opening disappears, instantaneous trip oil circuit or gas circuit, then
Each parts return to initial position during non-duty.
Above example is only in order to illustrate technical scheme and unrestricted, and those of ordinary skill in the art should manage
Solving, technical scheme is modified or replaces on an equal basis, without deviating from the spirit and scope of technical solution of the present invention, all
Should contain in scope of the presently claimed invention.
Claims (10)
1. an oil-gas two-way nozzle, is characterized in that mainly being made up of fuel injection system and blast injection system, its work
Making medium is fuel oil and compressed air respectively；When the rotating speed of electromotor is the highest, load little or in the case of low on fuel, does not sprays
Penetrate fuel oil, i.e. fuel injection system is in off state and is not involved in work, and compressed air is started working as assist medium, at this moment
What nozzle body (2) sprayed is compressed air；When nozzle body (2) needs to spray fuel oil, compressed air inlet solenoid power-off,
Compressed air system is then in off state, and spool solenoid (25) is energized, and fuel injection system enters duty.
Oil-gas two-way nozzle the most according to claim 1, it is characterised in that described fuel injection system and compressed air
Spraying system, shares a nozzle body (2), and this nozzle body head is inside and outside double-layer structure, and inside is balanced type poppet valve
(24) spool, its structure is overall through, can form puff prot (20), and outside is fuel injection needle (14) and ball (15).
Oil-gas two-way nozzle the most according to claim 2, it is characterised in that described nozzle body (2) has multiple nozzle opening
(17) and 1 puff prot (20), each nozzle opening (17) is to having 1 fuel injection needle (14) and 1 ball (15)；Described oil spout
Pin (14) and ball (15), they are symmetrical by the circular arc of 360 ° relative to the axis of nozzle body (2) (18), utilize oil spout
Pin (14) can pass through nozzle opening (17) and realize combustion oil injection；It is equipped with in the bottom on the top of nozzle opening (17) and ball (15)
Seal receptacle (16).
Oil-gas two-way nozzle the most according to claim 2, is characterized in that nozzle body (2) has fuel injection chamber (12) and oil spout road
(13), fuel oil is passed in fuel injection chamber (12) by oil pipe (5), and fuel oil is passed through oil spout by oil spout road (13) by fuel injection chamber (12)
In hole (17).
Oil-gas two-way nozzle the most according to claim 2, is characterized in that nozzle body (2) has fuel injection needle control piece (9), should
Fuel injection needle control piece includes that oil ring (10), fuel injection needle control spring (11), stem guiding set (23) and balanced type poppet valve
(24)；Described fuel injection needle controls spring (11), and its one end leans against on elastic washer (26), and its other end leans against stem guiding set
(23), on, its elastic force controls fuel injection needle (14) and the opening and closing of ball (15), and this elastic force is by shaft end ring (28) and stop sleeve
(29) backstop；Elastic washer (26) is supported on shaft end ring (28) and stop sleeve (29)；Balanced type poppet valve (24) depends on
Secondary concentric through elastic washer (26), oil ring (10) and stem guiding set (23), connect in its in the reverse direction and have compression sky
Flow channel (30).
Oil-gas two-way nozzle the most according to claim 5, it is characterised in that described balanced type poppet valve (24), in it
Portion's cavity is provided with oil pipe (5), and the two gap is for the flowing of compressed gas.
Oil-gas two-way nozzle the most according to claim 1, it is characterised in that described blast injection system, it is provided with
Compressed air inlet (3), fuel filler (35) and pressure chamber (32), compressed air inlet (3) and fuel filler (35) are all provided with
Putting the head in nozzle body (2), i.e. away from one end of air intake duct (19), compressed air inlet (3) connect with pressure chamber (32), combustion
Oil enters in nozzle body (2) by fuel filler (35), and compressed air enters into nozzle body by compressed air inlet (3)
(2) in.
Oil-gas two-way nozzle the most according to claim 1, it is characterised in that described pressure chamber (32), it is provided with compression sky
Gas entry springs (6), compressed air inlet solenoid (7) and compressed air inlet armature (8), wherein: compressed air enters
Mouth spring (6) drives opening of compressed air inlet armature (8) in jet side upwardly through compressed air inlet solenoid (7)
Close, thus control compressed-air actuated inflow in compression air flow channel.
9. the application of arbitrary described oil-gas two-way nozzle in claim 1 to 8, is characterized in that this oil-gas two-way nozzle is at internal combustion
Application in machine electromotor, air motor, oil electricity hybrid engine.
The application of oil-gas two-way nozzle the most according to claim 9, is characterized in that this oil-gas two-way nozzle is contained in described sending out
The position of motivation inlet manifold atomizer.
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| CN201610692802.2A CN106246430A (en) | 2016-08-19 | 2016-08-19 | A kind of oil-gas two-way nozzle |
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| CN201610692802.2A CN106246430A (en) | 2016-08-19 | 2016-08-19 | A kind of oil-gas two-way nozzle |
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| CN106246430A true CN106246430A (en) | 2016-12-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107044373A (en) * | 2017-05-04 | 2017-08-15 | 陈明福 | A kind of oil-air mixing nozzle of energy saving vehicle |
| CN108798914A (en) * | 2018-03-15 | 2018-11-13 | 江苏科技大学 | A kind of dual fuel engine declared working condition NOx emission and detonating combustion control strategy |
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| CN203130317U (en) * | 2013-03-28 | 2013-08-14 | 姜全 | Engine provided with common oil and gas nozzle |
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| CN102705120A (en) * | 2012-06-19 | 2012-10-03 | 哈尔滨工程大学 | Dual-fuel electric control monomer ejector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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