CN106762507B - The energy-saving diesel engine of when more operational modes is driven with multistage variable fuel feeding - Google Patents
The energy-saving diesel engine of when more operational modes is driven with multistage variable fuel feeding Download PDFInfo
- Publication number
- CN106762507B CN106762507B CN201611182576.XA CN201611182576A CN106762507B CN 106762507 B CN106762507 B CN 106762507B CN 201611182576 A CN201611182576 A CN 201611182576A CN 106762507 B CN106762507 B CN 106762507B
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- oil pump
- camshaft
- pressure
- bent axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 111
- 238000009825 accumulation Methods 0.000 claims abstract description 20
- 238000004146 energy storage Methods 0.000 claims abstract description 20
- 239000002828 fuel tank Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002283 diesel fuel Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 117
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 101000794560 Arbacia punctulata Calmodulin-beta Proteins 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010710 diesel engine oil Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/043—Arrangements for driving reciprocating piston-type pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of energy-saving diesel engines that when more operational modes are driven with multistage variable fuel feeding, it includes high-pressure oil pump, diesel engine and fuel tank, the high-pressure oil pump is using double cylinder structures, the diesel engine uses double piston cylinder structure, two piston cylinders connect respectively by the way that electric-controlled fuel injector is corresponding with two oil cylinders, the plunger of two oil cylinders by push rod respectively with two cams on camshaft are corresponding contacts, the piston of two piston cylinders is correspondingly connected with by connecting rod with two connecting rod drivers on bent axle respectively, fuel feeding variable transmission mechanism is provided between the camshaft and bent axle, two electric-controlled fuel injectors are connected respectively by electric control one-way valve with pressure accumulation energy storage canister.The present invention can automatically adjust multistage variable " fuel feeding gearratio " according to the rotating speed of diesel engine, diesel engine low speed fuel feeding efficiency and stability are improved, reduces high speed fuel feeding energy dissipation, a variety of operation modes can also be opened according to road conditions, the fuel consumption of diesel engine is reduced, reduces exhaust emission.
Description
Technical field
The present invention relates to diesels engine for automobile, and in particular to a kind of with multistage variable fuel feeding transmission when more operational modes
Energy-saving diesel engine.
Background technology
Increasingly sharpen with oil-fired increasingly in short supply and environmental pollution, energy conservation and environmental protection diesel engine increasingly by
Concern.When vehicle traveling is when on urban road, travel speed is relatively low, not high to the power demand of diesel engine, needs small
The diesel engine of discharge capacity, when especially encountering congestion road conditions, with greater need for the discharge capacity of diesel engine it is the smaller the better in addition encounter red light or
When congestion leads to temporary parking, high-pressure oil pump fuel cut-off is needed, diesel engine shuts down, so as to which the fuel oil for reducing diesel engine disappears
Consumption reduces exhaust emission.When vehicle travels on a highway, travel speed is higher, needs the huge discharge of powerful
Diesel engine.A variety of different road conditions need different types of diesel engine, and at present diesel engine, be all it is immutable, from
And face the problem of power output is superfluous or power output is insufficient.Moreover, because crankshaft of diesel engine leads to high-pressure oil pump camshaft
Gear engagement connection is crossed, gearratio is fixed, therefore when vehicle traveling is in urban congestion road conditions or when encountering red light, diesel engine
The rotating speed of low speed or idle running, bent axle and camshaft is relatively low, and high-pressure oil pump charge oil pressure is relatively low, poor for oil-proofness, makes
It is poor into VE Vehicle Economy, deterioration of emission.When vehicle travel in high speed unobstructed road conditions when, diesel engine runs at high speed, bent axle and
The rotating speed of camshaft is excessively high, and high-pressure oil pump supply capability is superfluous, and the diesel oil in fuel tank is by filter filtering, high-pressure oil pump pressurization
Afterwards, the extra diesel oil with elevated pressures is not sprayed onto by fuel injector in cylinder of diesel engine, but by oil return pipe again
Fuel tank is flowed back to, causes fuel feeding energy dissipation.
By the retrieval discovery to existing technical literature and patent, patent name electromagnetic type variable cam mechanism and small pulsation
Variable-flow fueller, Authorization Notice No. ZL201510224271.X, the patent of invention can be according to the high and low rotating speeds of engine
Operating mode and high running on the lower load, real-time selection use single-acting cam or multiaction cam, change the supply capability of oil pump, pass through
Oil return control valve controls recirculating oil quantity, reduces the recirculating oil quantity of oil pump, improves fuel delivery efficiency.But the invention is just for high pressure oil
The cam of pump camshaft is improved, and camshaft is engaged still through gear and connect with crankshaft of diesel engine, and gearratio is fixed
Immutable, when can not really solve diesel engine low-speed running, high-pressure oil pump charge oil pressure is relatively low, poor for oil-proofness；It is high
The problem of rotating speed of speed operating, bent axle and camshaft is excessively high, and high-pressure oil pump supply capability is superfluous, with less flexible according to road conditions
Running mode switching encounters the function of the temporary parkings operating mode oil-break such as red light.
Invention content
The technical problems to be solved by the invention：In view of the above shortcomings of the prior art, a kind of reasonable design, structure are designed
Simply, the tool that operational efficiency is high, can automatically switch operational mode according to actual operating mode, automatically adjust " fuel feeding gearratio "
There is the energy-saving diesel engine that multistage variable fuel feeding is driven when more operational modes.
The technical scheme is that：
A kind of energy-saving diesel engine that when more operational modes are driven with multistage variable fuel feeding, including high-pressure oil pump, diesel oil
Machine and fuel tank, it is characterized in that：The high-pressure oil pump passes through inlet valve and the fuel tank respectively using double cylinder structures, each oil cylinder
Connection, the diesel engine use double piston cylinder structure, and two piston cylinders pass through electric-controlled fuel injector and two oil cylinders respectively
Delivery valve corresponds connection, and the plunger of two oil cylinders is corresponded by push rod with two cams on camshaft respectively
Contact, the piston of two piston cylinders are connected one to one by connecting rod with two connecting rod drivers on bent axle respectively, institute
The one end for stating camshaft and bent axle is separately installed with cam follower wheel and bent axle driving wheel, and the cam follower wheel and bent axle are actively
It is provided with steel band on wheel, the both sides of the cam follower wheel and bent axle driving wheel are respectively arranged with the belt wheel of taper type, Mei Gesuo
State and electromagnet be evenly equipped on belt wheel, be provided with return spring between two belt wheels, two piston cylinders it is described automatically controlled
Fuel injector is connected respectively by electric control one-way valve with pressure accumulation energy storage canister；Two high-pressure oil pumps are respectively arranged on the camshaft to drive
Dynamic device, two high-pressure oil pump drivers correspond respectively with two cams, on the high-pressure oil pump driver
Electromagnet is furnished with, two electromagnetism platens are respectively arranged on the bent axle and is corresponded with two connecting rod drivers, institute
The end for stating camshaft and bent axle is both provided with speed probe, the speed probe, electromagnetism platen, belt wheel and high-pressure oil pump
Driver is connect with controller.
Rolling bearing is mounted on inside the cam, on the camshaft, can only be occurred with the camshaft
It relatively rotates, it is impossible to be axially moved along the camshaft；The belt wheel and high-pressure oil pump internal drive are provided with ring-type
Groove, on the camshaft in uniformly distributed annular projection, can be axially moved along the camshaft but with institute
It states camshaft to circle together, alternatively, using spline between the belt wheel and high-pressure oil pump driver and the camshaft
The structure type of axis or the structure type using key and keyway.
Annular ditch groove is provided with inside the electromagnetism platen, on the bent axle in uniformly distributed annular projection, Ji Nengyan
It the bent axle to axially move, and can be circled together with the bent axle, alternatively, between the electromagnetism platen and bent axle
Structure type using splined shaft or the structure type using key and keyway；The connecting rod internal drive is equipped with rolling bearing,
It can be freely rotated relative to the bent axle.
Tubing pressure sensing is respectively installed on the oil pipe between the oil cylinder and piston cylinder, on the pressure accumulation energy storage canister
Device, the tubing pressure sensor are connect with the controller.
The controller controls the electromagnet on the belt wheel, and the belt wheel is made to change spacing, realizes automatic change transmission
Than；The diesel engine also is able to using three piston cylinder structures or four piston cylinder structures, need to set at this time the piston of respective numbers,
Connecting rod, connecting rod driver, electromagnetism platen, electric-controlled fuel injector and oil cylinder；Each electric-controlled fuel injector respectively by delivery valve with
Oil cylinder connection, each oil cylinder are connected respectively by inlet valve with diesel fuel filter, the diesel fuel filter with it is described
Fuel tank connects.
The beneficial effects of the invention are as follows：
1st, the low-speed or high-speed operating condition of the invention according to diesel engine, controller control crankshaft of diesel engine belt wheel to connect respectively
Tactile diameter becomes larger or becomes smaller step by step, and control high-pressure oil pump camshaft pulley contact diameter becomes smaller or larger step by step, automatically adjusts bavin
" fuel feeding gearratio " between oil machine crankshaft pulley and high-pressure oil pump cam shaft pulley adaptively realizes that " fuel feeding passes multistage variable
Dynamic ratio " changes supply capability of the high-pressure oil pump under various operating modes in real time, fuel feeding efficiency when improving diesel engine low-speed running and
For oil-proofness, energy dissipation caused by supply capability surplus when diesel engine runs at high speed is reduced, improves the fuel oil warp of diesel engine
Ji property.
2nd, in the present invention when vehicle travels on a highway, the huge discharge diesel engine of powerful, controller are needed
Two cylinder of high-pressure oil pump fuel feeding pattern and two cylinder of diesel engine while operation mode simultaneously are opened, improves the dynamic property of diesel engine.Work as vehicle
Traveling on urban road or encounters congestion road conditions, when needing small displacement diesel engine, controller cutoff high the second cylinder of oil pump
The second cylinder of fuel feeding and diesel engine operating, realize single cylinder operating, reduce the fuel consumption of diesel engine, reduce exhaust emission.When
Vehicle encounters red light when temporary parkings, and high-pressure oil pump opens fuel cut-off mode, fuel cut-off；When down time is shorter, by pressure accumulation
High-pressure diesel supply diesel engine in energy storage canister, diesel engine keep single cylinder operating；When down time is longer, stop pressure accumulation energy storage canister
Fuel feeding, diesel engine shut down.
3rd, fuel system for diesel engine does not have oil return in the present invention, and the extra high-pressure diesel to pressurize by high-pressure oil pump stores
To pressure accumulation energy storage canister.When the pressure in pressure accumulation energy storage canister reaches the upper limit, controller cutoff high oil pump feed, by pressure accumulation energy storage
High-pressure diesel in tank is ejected into cylinder of diesel engine；When the pressure reduction in pressure accumulation energy storage canister is to lower limit, height is reopened
The fuel feeding pattern of pressure oil pump, has saved fuel feeding energy, improves fuel feeding efficiency.
4th, the configuration of the present invention is simple, adjusting method is simple, and functional reliability is high, can fully meet the high speed fortune of diesel engine
Turn, requirement of the multiple road conditions such as low-speed running, the temporary parkings such as high-speed road conditions, urban traffic situation, congestion road conditions, red light to diesel engine,
And when a certain cylinder of high-pressure oil pump or diesel engine breaks down, in addition a cylinder is unaffected, high-pressure oil pump, diesel engine
With independence, high-efficiency operation, have a wide range of application, there is good economy and emission reduction effect after popularization.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged drawing of fuel feeding variable transmission mechanism in Fig. 1.
Specific embodiment
Embodiment：Referring to Fig. 1 and Fig. 2, in figure, 1- fuel tanks, 2- diesel fuel filters, 3- inlet valves A, 4- plunger A return bullets
Spring, 5- plungers A, 6- push rod A, 7- cam A, 8- delivery valve A, 9- electric-controlled fuel injector A, 10- electric control one-way valve A, 11- pressure accumulation energy storage
Tank, 12- inlet valves B, 13- plunger B return springs, 14- plungers B, 15- push rod B, 16- cam B, 17- delivery valve B, 18- are automatically controlled
Fuel injector B, 19- electric control one-way valve B, 20- tubing pressure sensor C, 21- high-pressure oil pump, 22- high-pressure oil pump camshafts, 23- are convex
Wheel shaft speed transducer, 24- cam shaft pulley A, 25- steel bands, 26- cam shaft pulley B, 27- cam shaft pulley return springs,
28- high-pressure oil pump A cylinder drivers, 29- high-pressure oil pump A cylinder driver return springs, 30- high-pressure oil pump B cylinder driver return bullets
Spring, 31- high-pressure oil pump B cylinder drivers, 32- crankshaft rotational speed sensors, 33- crankshaft pulleys A, 34- crankshaft pulley B, 35- bent axle band
Take turns return spring, 36- electromagnetism platen A, 37- electromagnetism platen A return springs, 38- connecting rod A drivers, 39- electromagnetism platens B, 40-
Electromagnetism platen B return springs, 41- connecting rod B drives, 42- crankshaft of diesel engine, 43- connecting rods A, 44- piston A, 45- connecting rod B, 46-
Piston B, 47- diesel engine, 48- controllers, 49- tubing pressure sensors As, 50- tubing pressure sensors B, 51- camshaft from
Driving wheel, 52- bent axle driving wheels.Arrow show diesel oil flow direction in figure, and dotted line is control circuit.
There is the present embodiment diesel engine 47 single cylinder operating, the operating of two cylinders and the Three models that shut down, high-pressure oil pump 21 to have
There are single cylinder fuel feeding, two oil supply cylinders and oil-break Three models, wherein high-pressure oil pump 21 includes push rod A6, plunger A5, plunger A return bullets
It is spring 4, inlet valve A3, delivery valve A8, push rod B15, plunger B14, plunger B return springs 13, inlet valve B12, delivery valve B17, convex
Wheel shaft 22.Camshaft speed sensor 23, cam shaft pulley A24, cam shaft pulley B26, convex is sequentially installed on camshaft 22
Take turns shaft pulley return spring 27, high-pressure oil pump A cylinders driver 28, high-pressure oil pump A cylinder drivers return spring 29, cam A7, convex
Take turns B16, high-pressure oil pump B cylinder drivers return spring 30, high-pressure oil pump B cylinders driver 31.Cam shaft pulley A24, camshaft band
On wheel B26, high-pressure oil pump A cylinders driver 28 and high-pressure oil pump B cylinders driver 31 along the circumferential direction on be evenly equipped with electromagnet, own
Electromagnet is connected with controller 48, receives the control of controller 48.Rolling bearing is mounted on inside cam A7, cam B16,
It on camshaft 22, can only relatively rotate with camshaft 22, it is impossible to make left and right axial movement along camshaft 22.
Cam shaft pulley A24, it cam shaft pulley B26, high-pressure oil pump A cylinders driver 28, is provided with inside high-pressure oil pump B cylinders driver 31
Annular ditch groove on camshaft 22 in uniformly distributed annular projection, both can make left and right axial movement along camshaft 22,
It can also together be circled with camshaft 22, the structure type of splined shaft can also be used, key and keyway can also be used
Structure type.Cam shaft pulley return spring 27, high-pressure oil pump A cylinder drivers return spring 29, high-pressure oil pump B cylinder drivers
Return spring 30 is sleeved on camshaft 22, is circled with camshaft 22, can be along 22 left and right stretching of camshaft
And contraction.Cam shaft pulley A24, cam shaft pulley B26 are driven into camshaft with spring assembly by axis pin in the circumferential direction
Wheel 51, crankshaft pulley A33, crankshaft pulley B34 are by axis pin in the circumferential direction and spring assembly into bent axle driving wheel 52, bent axle
Driving wheel 52, camshaft driven wheel 51 carry out V belt translation by steel band 25.The cylinder body of high-pressure oil pump 21 and plunger A5, plunger B14
Between be respectively arranged with plunger A return springs 4, plunger B return springs 13.
Diesel engine 47 include crankshaft of diesel engine 42, connecting rod A43, piston A44, electric-controlled fuel injector A9, electric control one-way valve A10,
Pressure accumulation energy storage canister 11, connecting rod B45, piston B46, electric-controlled fuel injector B18, electric control one-way valve B19, tubing pressure sensor C20,
Tubing pressure sensors A 49, tubing pressure sensor B50.Crankshaft rotational speed sensor is sequentially installed on crankshaft of diesel engine 42
32nd, crankshaft pulley A33, crankshaft pulley B34, crankshaft pulley return spring 35, electromagnetism platen A36, electromagnetism platen A return springs
37th, connecting rod A drivers 38, electromagnetism platen B39, electromagnetism platen B return springs 40 and connecting rod B drive 41.Crankshaft pulley A33,
On crankshaft pulley B34, electromagnetism platen A36 and electromagnetism platen B39 along the circumferential direction on be evenly equipped with electromagnet, all electromagnet with
Controller 48 is connected, and receives the control of controller 48.
Crankshaft pulley A33, crankshaft pulley B34, electromagnetism platen A36, annular ditch groove is provided with inside electromagnetism platen B39, pacify
On crankshaft of diesel engine 42 in uniformly distributed annular projection, it both can make left and right axial movement along crankshaft of diesel engine 42, also might be used
To be circled together with crankshaft of diesel engine 42, the structure type of splined shaft can also be used, key and keyway can also be used
Structure type.Crankshaft pulley return spring 35, electromagnetism platen A return springs 37 and electromagnetism platen B return springs 40 are sleeved on
On crankshaft of diesel engine 42, circled with crankshaft of diesel engine 42, it can be along 42 left and right stretching of crankshaft of diesel engine and receipts
Contracting.Rolling bearing is respectively arranged with inside connecting rod A drivers 38 and connecting rod B drive 41, it can be relative to crankshaft of diesel engine 42 freely
Rotation.One end of connecting rod A43 and connecting rod B45 link together respectively with connecting rod A drivers 38, connecting rod B drive 41, connecting rod
The other end of A43 and connecting rod B45 link together respectively with piston A44, piston B46.
Camshaft speed sensor 23 and crankshaft rotational speed sensor 32 measure camshaft 22 and crankshaft of diesel engine 42 respectively
Rotary speed.Tubing pressure sensor 20 is mounted on pressure accumulation energy storage canister 11, measures 11 storage inside high pressure bavin of pressure accumulation energy storage canister
The pressure of oil.Tubing pressure sensors A 49, tubing pressure sensor B50 are separately mounted to electric-controlled fuel injector A9, electric-controlled fuel injector
At the oil inlet of B18, the input pressure of electric-controlled fuel injector A9, electric-controlled fuel injector B18 are measured.Controller 48 respectively with electronic control injection
Device A9, electric control one-way valve A10, electric-controlled fuel injector B18, electric control one-way valve B19, camshaft speed sensor 23, speed of crankshaft pass
Sensor 32, tubing pressure sensors A 49, tubing pressure sensor B50 are connected with tubing pressure sensor C20.
The transmission of multistage variable fuel feeding when in the energy-saving diesel engine of more operational modes fuel tank 1 oil outlet by filter 2,
The oil inlet of inlet valve A3, inlet valve B12 respectively with high-pressure oil pump 21 is connected, and the oil outlet of high-pressure oil pump 21 is respectively by fuel-displaced
Valve A8, delivery valve B17 and electric-controlled fuel injector A9, the oil inlet of electric-controlled fuel injector B18 are connected, electric-controlled fuel injector A9, electronic control injection
The oil inlet of device B18 has the high-pressure diesel of certain pressure and flow to 47 in-cylinder injection of diesel engine, and high-pressure diesel compresses
Fire burning pushes piston A44, piston B46 acting；Extra high-pressure diesel is respectively through electric control one-way valve A10, electric control one-way valve B19
Pressure accumulation energy storage canister 11 is flowed into store.
When crankshaft of diesel engine 42 rotates, bent axle driving wheel 52 is rotated with identical rotating speed, passes through 25 drive cam shaft of steel band
Driven wheel 51 rotates.The present invention can according to the rotating speed of bent axle driving wheel 52, the tach signal of camshaft driven wheel 51 and
Electric-controlled fuel injector A9, the tubing pressure signal of electric-controlled fuel injector B18 inlet determine how adjustment bent axle driving wheel 52, cam
" fuel feeding gearratio " between axis driven wheel 51, fuel feeding efficiency is low during so as to solve 21 low-speed running of high-pressure oil pump, fuel feeding is stablized
The problem of property is poor, and supply capability is superfluous when running at high speed.
When 47 low-speed running of diesel engine, the rotating speed that crankshaft rotational speed sensor 32 measures crankshaft of diesel engine 42 is too low, cam
The rotating speed that shaft speed transducer 23 measures high-pressure oil pump camshaft 22 is too low；Tubing pressure sensors A 49, tubing pressure pass simultaneously
It is too low that sensor B50 measures electric-controlled fuel injector A9, the inlet pressure of electric-controlled fuel injector B18 respectively, therefore controller 48 judges to work as
Before " fuel feeding gearratio " it is less than normal, send out increase " fuel feeding gearratio " instruction, crankshaft pulley A33, crankshaft pulley B34 receive control
The instruction of device 48, electromagnet power on, and generate electromagnetic attraction, crankshaft pulley A33, crankshaft pulley B34 respectively in axial direction to the right, it is axial
To left movement, crankshaft pulley return spring 35 is compressed, and axial gap becomes smaller, and the pulley diameters contacted with steel band 25 become larger.
Meanwhile cam shaft pulley A24, cam shaft pulley B26 also receive the instruction of controller 48, electromagnet powers on, and generates electromagnetism reprimand
Power, cam shaft pulley A24, cam shaft pulley B26 respectively in axial direction to the left, move right, cam shaft pulley return spring 27 by
To stretching, axial gap becomes larger, and the pulley diameters contacted with steel band 25 become smaller, and turns around in this way when bent axle driving wheel 52 revolves, convex
51 multi-turn rotation of wheel shaft driven wheel.As the contact diameter of steel band 25 and bent axle driving wheel 52 becomes larger, driven with camshaft
The contact diameter of wheel 51 tapers into, and " fuel feeding gearratio " gradually increases, until tubing pressure sensors A 49, tubing pressure pass
Sensor B50 detects electric-controlled fuel injector A9, the inlet pressure of electric-controlled fuel injector B18 is met the requirements.
When diesel engine 47 runs at high speed, the rotating speed that crankshaft rotational speed sensor 32 measures crankshaft of diesel engine 42 is excessively high, cam
The rotating speed that shaft speed transducer 23 measures high-pressure oil pump camshaft 22 is excessively high；Tubing pressure sensors A 49, tubing pressure pass simultaneously
It is excessively high that sensor B50 measures electric-controlled fuel injector A9, the inlet pressure of electric-controlled fuel injector B18 respectively, therefore controller 48 judges to work as
Before " fuel feeding gearratio " it is bigger than normal, send out the instruction of reduction " fuel feeding gearratio ", crankshaft pulley A33, crankshaft pulley B34 receive control
The instruction of device 48 processed, electromagnet power on, and generate electromagnetic repulsion force, push crankshaft pulley A33, crankshaft pulley B34 respectively in axial direction to
A left side moves right, and crankshaft pulley return spring 35 is stretched, and axial gap becomes larger, and the pulley diameters contacted with steel band 25 become
It is small.Cam shaft pulley A24, cam shaft pulley B26 also receive the instruction of controller 48 simultaneously, and electromagnet powers on, and generate electromagnetism
Suction, attract cam shaft pulley A24, cam shaft pulley B26 respectively in axial direction to the right, to left movement, cam shaft pulley return bullet
Spring 27 is compressed, and axial gap becomes smaller, and the pulley diameters contacted with steel band 25 become larger, in this way when bent axle driving wheel 52 rotate it is more
Circle, the rotation of camshaft driven wheel 51 are turned around.With steel band 25 and 52 contact diameter of bent axle driving wheel taper into, with camshaft from
The contact diameter of driving wheel 51 becomes larger, and " fuel feeding gearratio " is gradually reduced, until tubing pressure sensors A 49, tubing pressure
Sensor B50 detects electric-controlled fuel injector A9, the inlet pressure of electric-controlled fuel injector B18 is met the requirements.
The present invention can also change the fuel feeding pattern of high-pressure oil pump 21 and diesel engine 47 in real time according to various specific traffic informations
Operation mode.
The first operating mode：When vehicle travels on a highway, the huge discharge diesel engine of powerful, controller are needed
48 are separately turned on 21 liang of cylinders of high-pressure oil pump fuel feeding pattern, 47 liang of cylinders of diesel engine while operation mode simultaneously.
21 liang of oil supply cylinder patterns of high-pressure oil pump：High-pressure oil pump A cylinders driver 28, high-pressure oil pump B cylinders driver 31 receive
The instruction of controller 48, electromagnet power on, and respectively overcome high-pressure oil pump A cylinder drivers return spring 29, the driving of high-pressure oil pump B cylinders
The constraint of 30 spring force of device return spring, high-pressure oil pump A cylinders driver 28 is moved right to be integrated with the compressions of cam A 7, is driven
Cam A 7 is rotated together, and driving push rod A6 and plunger A5 pump, and being provided to electric-controlled fuel injector A9 has certain pressure
With the high-pressure diesel of flow, electric-controlled fuel injector A9 has the high pressure bavin of certain pressure and flow to 47 in-cylinder injection of diesel engine
Oil, extra high-pressure diesel flow into pressure accumulation energy storage canister 11 through electric control one-way valve A10.Equally, high-pressure oil pump B cylinders driver 31 also to
Right movement is integrated with cam B16 compressions, and band moving cam B16 is rotated together, and driving push rod B15 and plunger B14 are up and down reciprocatingly transported
It is dynamic, provide the high-pressure diesel with certain pressure and flow to electric-controlled fuel injector B18, electric-controlled fuel injector B18 is to 47 gas of diesel engine
Cylinder injection has the high-pressure diesel of certain pressure and flow, and extra high-pressure diesel also flows into pressure accumulation through electric control one-way valve B19
Energy storage canister 11.
47 liang of cylinder operation modes of diesel engine：Electromagnetism platen A36, electromagnetism platen B39 receive the instruction of controller 48, electromagnetism
Iron powers on, and respectively overcomes the constraint of electromagnetism platen A return springs 37,40 spring force of electromagnetism platen B return springs, electromagnetism platen
A36 is moved right to be integrated with the compression of connecting rod A drivers 38, and connecting rod A drivers 38 is driven to rotate together, drive link A43 and
Piston A44 pumps in cylinder, the high-pressure diesel ignition acting in compression cylinder.Electromagnetism platen B39 is to the right
Movement is integrated with the compression of connecting rod B drive 41, connecting rod B drive 41 is driven to rotate together, drive link B45 and piston B46
It pumps in cylinder, the high-pressure diesel ignition acting in compression cylinder.
Second of operating mode：When vehicle traveling on urban road or encounters congestion road conditions, when needing small displacement diesel engine, control
Device 48 processed distinguishes the operating of 47 second cylinder of fuel feeding and diesel engine of 21 second cylinder of cutoff high oil pump, opens 21 single cylinder of high-pressure oil pump
47 single cylinder operation mode of fuel feeding pattern and diesel engine reduces the fuel consumption of diesel engine 47, reduces exhaust emission.
21 single cylinder fuel feeding pattern of high-pressure oil pump：High-pressure oil pump A cylinders driver 28 or high-pressure oil pump B cylinders driver 31 optional one
A holding fuel feeding, another fuel cut-off.Such as high-pressure oil pump A cylinders driver 28 is selected to keep fuel feeding, then high-pressure oil pump B cylinders drive
Device 31 receives the fuel cut-off instruction of controller 48, electromagnet power-off, in the bullet of high-pressure oil pump B cylinder drivers return spring 30
Under spring force effect, high-pressure oil pump B cylinders driver 31 disengages, cam B16 stops operating, push rod to left movement with cam B16
B15 and plunger B14 stops moving up and down, and fuel feeding stops.
47 single cylinder operation mode of diesel engine：Optional one of electromagnetism platen A36 or electromagnetism platen B39 keeps operating, another
It shuts down.Such as electromagnetism platen A36 is selected to keep operating, then electromagnetism platen B39 receives the instruction that shuts down of controller 48,
Electromagnet powers off, and under the action of 40 spring force of electromagnetism platen B return springs, electromagnetism platen B39 drives to left movement with connecting rod B
Dynamic device 41 disengages, and connecting rod B drive 41 stops operating, and connecting rod B45 and piston B46 stoppings pump.And connecting rod A
Driver 38 is rotated further, and drive link A43 and piston A44 pump in cylinder, the high pressure bavin in compression cylinder
Oily ignition acting, realizes single cylinder operating.
The third operating mode：Vehicle encounters red light when temporary parkings operating mode, and controller 48 opens 21 oil-break mould of high-pressure oil pump
Formula, 47 single cylinder operation mode of diesel engine（Down time is shorter）Or the pattern that shuts down（Down time is longer）.
21 fuel cut-off mode of high-pressure oil pump：High-pressure oil pump A cylinders driver 28, high-pressure oil pump B cylinders driver 31 receive control
The fuel cut-off instruction of device 48 processed, electromagnet power-off drive in high-pressure oil pump A cylinder drivers return spring 29, high-pressure oil pump B cylinders
Under the spring-force driven dual of device return spring 30, high-pressure oil pump A cylinders driver 28, high-pressure oil pump B cylinders driver 31 to left movement,
It is disengaged respectively with cam A7, cam B16, cam A7, cam B16 stop operating, plunger A5 and push rod A6, plunger B14
Stop pumping with push rod B15,21 liang of equal fuel cut-offs of cylinder of high-pressure oil pump.
47 single cylinder operation mode of diesel engine（Down time is shorter）：The optional guarantor of electromagnetism platen A36 or electromagnetism platen B39
Operating is held, another shuts down.Such as electromagnetism platen A36 is selected to keep operating, then electromagnetism platen B39 receives controller 48
Shut down instruction, and electromagnet power-off, under the action of 40 spring force of electromagnetism platen B return springs, electromagnetism platen B39 is transported to the left
It is dynamic, it is disengaged with connecting rod B drive 41, connecting rod B drive 41 stops operating, and connecting rod B45 and piston B46 stop up and down reciprocatingly
Movement.At this point, high-pressure oil pump 21 is fuel cut-off mode.Controller 48, which sends out fuel feeding and instructs, gives electric control one-way valve A10, electric control one-way valve
A10 is reversely opened, and the high-pressure diesel of 11 memory storage of pressure accumulation energy storage canister is ejected into the cylinder of diesel engine 47 through electric-controlled fuel injector A9
Interior, with the rotation of connecting rod A drivers 38, drive link A43 and piston A44 pump in cylinder, compression cylinder
Interior high-pressure diesel ignition acting, realizes single cylinder operating.
Diesel engine 47 shuts down pattern（Down time is longer）：High-pressure oil pump 21 is fuel cut-off mode, and controller 48 is not sent out
Go out fuel feeding to instruct to electric control one-way valve A10 and electric control one-way valve B19, without fuel feeding, diesel engine 47 shuts down.
The present invention according to the low-speed running of diesel engine or can run at high speed, automatic adjustment crankshaft of diesel engine driving wheel with it is high
" fuel feeding gearratio " between pressure oil pump camshaft driven wheel, adaptive realization multistage variable " fuel feeding gearratio ", changes in real time
Become the supply capability of high-pressure oil pump at various speeds, so as to improve the fuel feeding efficiency and fuel feeding stabilization during diesel engine low-speed running
Property, reduce energy dissipation caused by supply capability surplus when diesel engine runs at high speed.There there is no fuel system for diesel engine in the present invention
Oil return, the extra high-pressure diesel to pressurize by high-pressure oil pump store pressure accumulation energy storage canister, have saved fuel feeding energy, improved bavin
The fuel economy of oil machine.The present invention can also be interim in highway, urban road or congestion road conditions, red light etc. according to vehicle
Parking road conditions, are separately turned on two cylinder operation mode of two oil supply cylinder of high-pressure oil pump and diesel engine, high-pressure oil pump single cylinder fuel feeding and diesel oil
Machine single cylinder operation mode, high-pressure oil pump oil-break and the operating of diesel engine single cylinder（Down time is shorter）Or the pattern that shuts down（Parking
Time is longer）.When a certain cylinder of high-pressure oil pump or diesel engine breaks down, in addition a cylinder can independently, high-efficiency operation, application
Range is wide, with good economic efficiency after popularization and emission reduction effect.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, it is all
It is any simple modification, equivalent change and modification that technical spirit according to the present invention makees above example, still falls within
In the range of technical solution of the present invention.
Claims (5)
1. a kind of energy-saving diesel engine that when more operational modes are driven with multistage variable fuel feeding, including high-pressure oil pump, diesel engine
And fuel tank, it is characterized in that：The high-pressure oil pump is connected using double cylinder structures, each oil cylinder by inlet valve and the fuel tank respectively
Logical, the diesel engine uses double piston cylinder structure, two piston cylinders going out by electric-controlled fuel injector and two oil cylinders respectively
Fuel tap corresponds connection, and the plunger of two oil cylinders is connect by push rod with two cams one-to-one correspondence on camshaft respectively
It touches, the piston of two piston cylinders is connected one to one by connecting rod with two connecting rod drivers on bent axle respectively, described
Unidirectional one end of camshaft and bent axle is separately installed with cam follower wheel and bent axle driving wheel, the cam follower wheel and
It is provided with steel band on bent axle driving wheel, the both sides of the cam follower wheel and bent axle driving wheel are respectively arranged with the band of taper type
Wheel is evenly equipped with electromagnet on each belt wheel, is provided with return spring between two belt wheels, two piston cylinders
The electric-controlled fuel injector is connected respectively by electric control one-way valve with pressure accumulation energy storage canister；Two height are respectively arranged on the camshaft
Pressure oil pump controller, two high-pressure oil pump drivers correspond respectively with two cams, and the high-pressure oil pump drives
Be evenly equipped with electromagnet on dynamic device, be respectively arranged on the bent axle two electromagnetism platens and with two connecting rod drivers one by one
Corresponding, the unidirectional end of the camshaft and bent axle is both provided with speed probe, the speed probe, electromagnetism pressure
Disk, belt wheel and high-pressure oil pump driver are connect with controller.
2. the energy-saving diesel engine according to claim 1 that when more operational modes are driven with multistage variable fuel feeding, special
Sign is：Rolling bearing is mounted on inside the cam, the rolling bearing is mounted on the camshaft, and the cam can only
It relatively rotates with the camshaft, it is impossible to be axially moved along the camshaft；The belt wheel and high-pressure oil pump driving
Annular ditch groove is provided with inside device, the annular ditch groove is mounted in annular projection uniformly distributed on the camshaft, the belt wheel
It can axially move along the camshaft with high-pressure oil pump driver and be circled together with the camshaft,
Alternatively, between the belt wheel and high-pressure oil pump driver and the camshaft using the structure type of splined shaft or using key and
The structure type of keyway.
3. the energy-saving diesel engine according to claim 1 that when more operational modes are driven with multistage variable fuel feeding, special
Sign is：Annular ditch groove is provided with inside the electromagnetism platen, the annular ditch groove is mounted on annular projection uniformly distributed on the bent axle
In, the electromagnetism platen can be axially moved along the bent axle and be circled together with the bent axle, alternatively,
Using the structure type of splined shaft or the structure type using key and keyway between the electromagnetism platen and bent axle；The connecting rod
Internal drive is equipped with rolling bearing, and the connecting rod driver can be freely rotated relative to the bent axle.
4. the energy-saving diesel engine according to claim 1 that when more operational modes are driven with multistage variable fuel feeding, special
Sign is：Tubing pressure sensor is respectively installed on oil pipe between the oil cylinder and piston cylinder, on the pressure accumulation energy storage canister,
The tubing pressure sensor is connect with the controller.
5. the energy-saving diesel engine according to claim 1 that when more operational modes are driven with multistage variable fuel feeding, special
Sign is：The controller controls the electromagnet on the belt wheel, and the belt wheel is made to change spacing, realizes automatic change gearratio；
The diesel engine also is able to the piston for using three piston cylinder structures or four piston cylinder structures, needing to set respective numbers at this time, connects
Bar, connecting rod driver, electromagnetism platen, electric-controlled fuel injector and oil cylinder；Each electric-controlled fuel injector passes through delivery valve and institute respectively
Oil cylinder connection is stated, each oil cylinder is connected respectively by inlet valve with diesel fuel filter, the diesel fuel filter and the oil
Case connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182576.XA CN106762507B (en) | 2016-12-20 | 2016-12-20 | The energy-saving diesel engine of when more operational modes is driven with multistage variable fuel feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182576.XA CN106762507B (en) | 2016-12-20 | 2016-12-20 | The energy-saving diesel engine of when more operational modes is driven with multistage variable fuel feeding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762507A CN106762507A (en) | 2017-05-31 |
| CN106762507B true CN106762507B (en) | 2018-07-10 |
Family
ID=58891113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611182576.XA Active CN106762507B (en) | 2016-12-20 | 2016-12-20 | The energy-saving diesel engine of when more operational modes is driven with multistage variable fuel feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762507B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843473A (en) * | 2018-07-09 | 2018-11-20 | 郑州航空工业管理学院 | More check valve combinations are adaptive mutually to open the reciprocal fueller of energy conservation in advance |
| CN108757248B (en) * | 2018-07-09 | 2023-09-05 | 郑州航空工业管理学院 | Variable position self-adaptive switching double-path energy-saving reciprocating oil supply device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790732A (en) * | 1984-07-31 | 1988-12-13 | Yoshichi Yamatani | Driving means of the triple-cylinder plunger pump |
| EP0433649A1 (en) * | 1989-11-17 | 1991-06-26 | ASKOLL S.p.A. | Fluid metering pump |
| CN2445110Y (en) * | 2000-10-30 | 2001-08-29 | 欧学翠 | Energy-saving blower pump |
| CN104791211A (en) * | 2015-05-06 | 2015-07-22 | 郑州航空工业管理学院 | Electromagnetic variable cam mechanism and small-fluctuation variable-flow oil supply device |
| CN105464868A (en) * | 2016-01-08 | 2016-04-06 | 郑州航空工业管理学院 | Variable flow fuel supply system capable of automatically switching fuel supply gears and fuel return energy storage |
| CN206309540U (en) * | 2016-12-20 | 2017-07-07 | 郑州航空工业管理学院 | The energy-saving diesel engine of when many operational modes is driven with multistage variable fuel feeding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015094249A (en) * | 2013-11-11 | 2015-05-18 | 株式会社▲吉▼本製作所 | Liquid transfer (air transfer) pump |
-
2016
- 2016-12-20 CN CN201611182576.XA patent/CN106762507B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790732A (en) * | 1984-07-31 | 1988-12-13 | Yoshichi Yamatani | Driving means of the triple-cylinder plunger pump |
| EP0433649A1 (en) * | 1989-11-17 | 1991-06-26 | ASKOLL S.p.A. | Fluid metering pump |
| CN2445110Y (en) * | 2000-10-30 | 2001-08-29 | 欧学翠 | Energy-saving blower pump |
| CN104791211A (en) * | 2015-05-06 | 2015-07-22 | 郑州航空工业管理学院 | Electromagnetic variable cam mechanism and small-fluctuation variable-flow oil supply device |
| CN105464868A (en) * | 2016-01-08 | 2016-04-06 | 郑州航空工业管理学院 | Variable flow fuel supply system capable of automatically switching fuel supply gears and fuel return energy storage |
| CN206309540U (en) * | 2016-12-20 | 2017-07-07 | 郑州航空工业管理学院 | The energy-saving diesel engine of when many operational modes is driven with multistage variable fuel feeding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762507A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100529333C (en) | Apparatus for an internal combustion engine | |
| CN104929766B (en) | Hydraulic free piston engine | |
| CN206309540U (en) | The energy-saving diesel engine of when many operational modes is driven with multistage variable fuel feeding | |
| CN105464868B (en) | Can be automatically switched the variable-flow oil supply system of fuel feeding gear and oil return energy storage | |
| WO2014093370A1 (en) | Hydraulic engine with one or more of improved transmission control, valve, and fuel injection features | |
| CN106762507B (en) | The energy-saving diesel engine of when more operational modes is driven with multistage variable fuel feeding | |
| US6769405B2 (en) | Engine with high efficiency hydraulic system having variable timing valve actuation | |
| CN105156166B (en) | The quick VVT and VVL devices of piezo-electric crystal electric-controlled hydraulic and its control method | |
| CN104791211A (en) | Electromagnetic variable cam mechanism and small-fluctuation variable-flow oil supply device | |
| CN1811158B (en) | Variable discharge fuel pump | |
| CN1085773C (en) | Hydraulic system for two-stroke crosshead engine | |
| CN102937052A (en) | Variable-compression-ratio mechanism of engine | |
| CN103953410A (en) | Variable-driving-pressure pressure boosting type exhaust mechanism | |
| CN104595042A (en) | Variable compression ratio apparatus | |
| CN103953411A (en) | Two-stage boosting air valve type air exhaust mechanism | |
| CN104405468A (en) | Hydraulic valve opening/closing device of engine | |
| CN103032158B (en) | Circular cylinder engine | |
| CN206175117U (en) | Diesel engine oil supply unit of single injection pump of gear / motor dual drive interlocking | |
| CN103775302A (en) | Fracturing truck and drive conveying system thereof | |
| CN204591609U (en) | Electromagnetic type variable cam mechanism and little pulsation variable-flow oil supplying device | |
| CN106364552B (en) | A kind of six wheel drive self-unloading vehicle hydraulic systems | |
| CN105041603B (en) | A kind of fracturing unit truck and its transmission induction system | |
| CN205260190U (en) | But unsteady flow of automatic switch -over fuel feeding gear and oil return energy storage volume oil feeding system | |
| CN107989769A (en) | A kind of air compressor control executing agency and its control execution method | |
| CN203783845U (en) | Fracturing truck and transmission and conveying system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |