CN102862468B - A kind of machine hydraulic hybrid type power system based on double dynamical output - Google Patents
A kind of machine hydraulic hybrid type power system based on double dynamical output Download PDFInfo
- Publication number
- CN102862468B CN102862468B CN201210384442.1A CN201210384442A CN102862468B CN 102862468 B CN102862468 B CN 102862468B CN 201210384442 A CN201210384442 A CN 201210384442A CN 102862468 B CN102862468 B CN 102862468B
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- energy
- low pressure
- pressure oil
- motor
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of machine hydraulic hybrid type power system based on the double dynamical output engine of machine liquid, including the double dynamical output engine of machine liquid, electromotor mechanical energy is converted into the power set hydraulic plunger module of hydraulic energy, produce high pressure liquid pressure energy, release and the hydraulic energy reservoir module of stock solution pressure energy, and Proper Match and the power flow concentration module confluxed will be carried out by machine liquid double dynamical output engine hydraulic energy and mechanical energy；Wherein, hydraulic energy reservoir module includes hydraulic pump/motor and hydraulic accumulator, when providing mechanical output for vehicle, hydraulic pump/motor is hydraulic motor mode of operation, and by hydraulic pump/motor, the hydraulic energy converted via hydraulic plunger module is supplied to vehicle；When reclaiming vehicle braking energy, hydraulic pump/motor is hydraulic pump works pattern, is stored in high pressure accumulator after low pressure oil being pressurizeed.This dynamical system can provide hydraulic energy and two kinds of power of mechanical energy.
Description
Technical field
The present invention relates to power and Hydraulic Field.
Background technology
In recent years, along with economic fast development, automobile pollution sustainable growth, want as automobile primary
The ic engine industry of power occurs in that the swiftest and the most violent development.But, although internal combustion engine has carried out multiple
The optimization of measure and innovation, but be as automobile pollution and grow with each passing day, the automobile exhaust pollution brought
Problem and energy crisis puzzlement become increasingly conspicuous, and human health, ecological balance are caused grave danger.?
Under the hugest dual-pressure, ic engine industry is in the turning point of its historical development.People one
Aspect is actively working to the exploitation of the improvement of conventional engines itself, optimization and novel power device, with
Adapt to the change of energy resource structure and meet the performance requirement of increasingly stringent；On the other hand design various many
Energy combined power system.In this context, various novel hybrid systems are sent out like the mushrooms after rain
Exhibition is got up, such as machine-electric mixed dynamic system etc..The hybrid power system of current trend is with machine-electricity mixing
Being main, its drive system mainly has tandem, parallel, series parallel type and four kinds of connected modes of wheel limit formula.
Common motive power output device is all single-power output, and such as conventional engines only exports machinery
Can, hydraulic free-piston engine output hydraulic pressure energy.Under the energy crisis background with environmental conservation,
Can integrate internal combustion engine and hydraulic pump, integrated internal combustion engine technology, hydraulic technique, microelectric technique,
Control technology is strong with its potential energy-saving and environmental protection, fuel tolerance, high power density, highly flexible cloth
The PTO advantage such as putting is the most universal.
Summary of the invention
It is an object of the invention to provide a kind of can the machine-liquid mixed stocker of double dynamical output of Flexible Control
System, its compact conformation, power density is high, and overall efficiency is high.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of machine hydraulic hybrid type power system based on double dynamical output, it includes electromotor, hydraulic plunger
Module, hydraulic energy module, and mechanical energy module；Wherein, described hydraulic energy module includes
Hydraulic pump/motor 7, high-pressure oil passage 5a, low pressure oil way 5b, low pressure accumulator 12 and high pressure accumulator
6, described mechanical energy module includes epicyclic train 15；Described high pressure accumulator 6 and described low pressure
Accumulator 12 is respectively by described high-pressure oil passage 5a and described low pressure oil way 5b and described hydraulic pump/horse
Reaching 7 to be connected, described hydraulic pump/motor 7 also first input end with described epicyclic train 15 is connected.
The machine hydraulic hybrid type power system based on double dynamical output of the present invention, described electromotor includes shaking
Arm, described hydraulic plunger module includes hydraulic plunger 2 and hydraulic ram cylinders 3, and this electromotor can be single
Cylinder and multicylinder engine；Described plunger 2 includes that upper extreme point and lower extreme point, described upper extreme point shake with described
Arm is connected with ball pivot form, and described lower extreme point is connected with ball pivot form with described hydraulic plunger 2；Described
Hydraulic ram cylinders 3 is fixed on engine body, and described hydraulic plunger 2 lower extreme point is positioned at described hydraulic pressure
In plunger case 3, and can move back and forth up and down along hydraulic ram cylinders axis.
The machine hydraulic hybrid type power system based on double dynamical output of the present invention, described hydraulic energy module is also
Including unidirectional compression valve 4, unidirectional inlet valve 8, electromagnetic valve 9, low pressure oil cylinder 11 and electromagnetic valve 10；
Described electromagnetic valve 9 is arranged between described low pressure accumulator 12 and low pressure oil way 5b, described Uniaxial Compression
Valve 4 is arranged between hydraulic cylinder oil-out A and high-pressure oil passage 5a, and described unidirectional inlet valve 8 is arranged
Between hydraulic cylinder oil inlet B mouth and low pressure oil way, described electromagnetic valve 10 be arranged at described B mouth with
Between described low pressure oil cylinder 11；Described hydraulic ram cylinders 3 includes A mouth and B mouth, and A mouth passes through liquid
Pressuring oil pipe and described high-pressure oil passage 5a connect, B mouth by hydraulic oil pipe and described low pressure oil way 5b and
Described low pressure oil cylinder 11 is connected.
The machine hydraulic hybrid type power system based on double dynamical output of the present invention, described mechanical energy module is also
Including engine crankshaft outfan 13, clutch A14, clutch B16, drive axle 17 and driven
Wheel 18；Epicyclic train 15 includes that change speed gear box, confluence mechanism, the second mechanical input and machinery are defeated
Going out end, the second mechanical input is connected with crankshaft output end 13 by mechanical drive shaft, described clutch
Device A14 is arranged on the power transmission shaft between described crankshaft output end 13 and described epicyclic train 15,
Described mechanical output is connected with described drive axle 17 by mechanical drive shaft, described clutch B16
It is arranged between the two.
The machine hydraulic hybrid type power system based on double dynamical output that the present invention provides, utilizes electromotor to lead to
Crossing bent axle output mechanical energy, changes mechanical energy is that hydraulic energy exports by rocking arm by this electromotor simultaneously,
Thus realize mechanical energy and the feature of the double dynamical output of hydraulic energy, constitute machine-hydraulic hybrid type power system；
Still further aspect, uses the recyclable Brake Energy of hydraulic energy-accumulating technology in this system, reduce system capacity and damage
Lose.This patent of invention has machinery output and the advantage of hydraulic pressure output simultaneously, in conjunction with the traveling work of vehicle
Condition requirement, can reach to optimize cycle of engine work by coupling hydraulic pressure output and machine output power
The purpose of condition, improves economy and the emission performance of electromotor.As the case may be, it is possible to by hydraulic pressure
Mechanical energy output can be converted to.This system optimization energy transmission form of electromotor and drive system,
Achieve the soft readjustment of actuating unit, further increase dynamical system power density.Realize
Highly flexible layout, effectively utilizes space；By using energy accumulating technique, make low-powered engine full
The power demand of foot higher-wattage vehicle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a specific embodiment of the present invention with a hydraulic plunger；
Fig. 2 is the schematic diagram of another specific embodiment of the present invention with multiple hydraulic plunger；
Fig. 3 is the schematic diagram that one embodiment of the invention applies to car load；
Fig. 4 is the car load energy during electromotor first start of the vehicle using one embodiment of the invention
Flow graph；
Fig. 5 is the vehicle car load energy stream when hydraulic plunger energy storage is made using one embodiment of the invention
Xiang Tu；
Fig. 6 is that the vehicle using one embodiment of the invention car load energy when normal vehicle operation flows to
Figure；
Fig. 7 is that the vehicle the using one embodiment of the invention car load energy when Brake Energy is gathered in the crops flows to
Figure；
Fig. 8 is that the vehicle the using one embodiment of the invention car load energy when idling is stopped flows to
Figure；
Fig. 9 is the vehicle the using one embodiment of the invention car load energy stream when vehicle is again started up
Xiang Tu.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawings
And embodiment, the present invention is further elaborated.Should be appreciated that described herein specifically
Embodiment only in order to explain the present invention, is not intended to limit the present invention.
A kind of machine hydraulic hybrid type power system based on double dynamical output, it includes electromotor, for sending out
Motivation mechanical energy is converted into the hydraulic plunger module of hydraulic energy, be used for producing high pressure liquid pressure energy, release and
The hydraulic energy module of stock solution pressure energy, and for by the mechanical energy converted by hydraulic energy and by
The mechanical energy that electromotor directly exports carries out Proper Match and converging, and the mechanical energy conveying after integrating
The mechanical energy module of the driving wheel of the vehicle assembled to this system；Wherein, described hydraulic energy mould
Block includes hydraulic pump/motor 7 and high pressure accumulator 6, when providing mechanical output for vehicle, and hydraulic pump
/ motor 7 is hydraulic motor mode of operation, is passed through by the hydraulic energy converted via hydraulic plunger module
Pressure pump/motor 7 is supplied to vehicle；When reclaiming vehicle braking energy, hydraulic pump/motor 7 is hydraulic pressure
Pump work pattern, is stored in high pressure accumulator 6 after low pressure oil being pressurizeed.
As it is shown in figure 1, described electromotor includes rocking arm；Described hydraulic plunger module bag hydraulic plunger 2
With hydraulic ram cylinders 3；Described hydraulic plunger 2 includes upper extreme point and lower extreme point, described upper extreme point and institute
Stating rocking arm to be connected with ball pivot form, described lower extreme point is connected with ball pivot form with described hydraulic plunger 2；
Described hydraulic ram cylinders 3 is fixed on engine body, and described hydraulic plunger 2 lower extreme point is positioned at described
In hydraulic ram cylinders 3, and can move back and forth up and down along plunger case 3 axis.Fig. 1 only gives
Machine-hydraulic hybrid type power system that a hydraulic plunger in the case of single cylinder is constituted, another plunger case is same
Sample can access machine-hydraulic hybrid type power system；Fig. 2 in the case of giving single cylinder multiple hydraulic plungers connect
Enter the connection diagram of machine-hydraulic hybrid type power system.
Described hydraulic energy module includes unidirectional compression valve 4, high-pressure oil passage 5a, low pressure oil way 5b, list
To inlet valve 8, control to connect the electromagnetic valve 9 of low pressure oil way 5b, low pressure oil cylinder 11, connect for control
The electromagnetic valve 10 of logical low pressure oil cylinder 11 and low pressure accumulator 12；Described high pressure accumulator 6 and described low
Pressure accumulator 12 respectively by described high-pressure oil passage 5a and described low pressure oil way 5b and described hydraulic pump/
Motor 7 is connected, and described electromagnetic valve 9 is arranged between described low pressure accumulator 12 and low pressure oil way 5b,
Described unidirectional compression valve 4 is arranged between described A mouth and high-pressure oil passage 5a, described unidirectional inlet valve
8 are arranged between described B mouth and low pressure oil way, and described electromagnetic valve 10 is arranged at described B mouth and institute
State between low pressure oil cylinder 11；Described hydraulic ram cylinders 3 includes A mouth and B mouth, and A mouth passes through hydraulic pressure
Oil pipe is connected with described high-pressure oil passage 5a, and B mouth is by hydraulic oil pipe and described low pressure oil way 5b and institute
State low pressure oil cylinder 11 to connect.
Described mechanical energy module includes engine crankshaft outfan 13, clutch A14, planetary gear
It is 15, clutch B16, drive axle 17 and driven pulley 18；Epicyclic train 15 includes change speed gear box
And confluence mechanism, described epicyclic train 15 is provided with two mechanical input and a mechanical output,
Two mechanical input are respectively by mechanical drive shaft and hydraulic pump/motor 7 and crankshaft output end 13 phase
Even, described clutch A14 is arranged between described crankshaft output end 13 and described epicyclic train 15
Power transmission shaft on, described mechanical output is connected with described rear driving axle 17 by mechanical drive shaft,
Described clutch B16 is arranged between the two.
Hydraulic plunger module is that electromotor mechanical energy is converted into the device of hydraulic energy, and Fig. 1 is single post
Plug form.Coordinating and performance requirement according to different electromotors, electromotor has multi-cylinder form, then this invention
Then it is made up of, as shown in Figure 2 multiple hydraulic plunger modules.
By worked for the various piece of the machine hydraulic hybrid type power system based on double dynamical output of the present invention
Journey is described as follows:
In engine operation process, rocking arm swings by rule, and plunger 2 upper extreme point swings with rocking arm,
Now hydraulic oil plunger 2 lower extreme point pumps along hydraulic ram cylinders 3 axis, former by plunger displacement pump
Science and engineering is made.When closing control connects oil cylinder electromagnetic valve 10, the reciprocating motion output liquid of hydraulic plunger
Pressure energy.When electromagnetic valve 10 disconnects, reciprocating hydraulic plunger not output hydraulic pressure energy.Thus,
Hydraulic energy output regulation is realized by controlling this electromagnetic valve.
1) when needs plunger output hydraulic pressure energy: control oil cylinder electromagnetic valve 10 disconnect, when piston as
During top dead centre, hydraulic plunger 2 lower end moves to eminence；When piston moves toward lower dead center, piston from
From left to right is moved, and the pressure in hydraulic ram cylinders 3 raises；A is passed through after hydraulic oil pressurization in plunger case
Mouth enters high-pressure side, when hydraulic fluid pressure is less than high pressure accumulator 6 setting value, and hydraulic ram cylinders 3
In hydraulic oil and flow through hydraulic pump/motor 7 and flow back to low pressure accumulator 12, now hydraulic fluid press pump/
Motor 7 duty is motor condition, hydraulic energy is converted to mechanical energy and is transported to epicyclic train
15；When in hydraulic ram cylinders 3, hydraulic fluid pressure is higher than high pressure accumulator 6 setting value, high-voltage energy-storage
The hydraulic oil of device 6 does not outbound flows, and superfluous pressure is flowed into high pressure by the hydraulic oil in hydraulic ram cylinders 3
Accumulator, remainder flows to hydraulic pump/motor 7 and flows back to low pressure accumulator, now hydraulic fluid press pump
/ motor 7 duty is motor condition, hydraulic energy is converted to mechanical energy and is transported to epicyclic train
15.When piston moves toward top dead centre from lower dead center, hydraulic plunger 2 moves from right to left, now liquid
In compression leg plug cylinder 3 pressure reduce, control connect low pressure oil way switch electromagnetic valve 9 close, hydraulic oil from
Low pressure accumulator 12 enters hydraulic ram cylinders by B mouth.
2), when need not store hydraulic energy, i.e. when the complete output mechanical energy of electromotor, control to connect
Oil cylinder switch electromagnetic valve 10 closes.Now the hydraulic oil of hydraulic ram cylinders 3 is connected with fuel tank 11, liquid
Hydraulic plunger 2 bilateral reciprocation exports without hydraulic energy.It addition, when the hydraulic oil in high pressure accumulator 6
When pressure is higher than high-pressure oil passage 5a, the hydraulic oil in high pressure accumulator 6 still flows to hydraulic pump/motor 7,
Hydraulic energy is converted to mechanical energy.
3) braking recovery state (hydraulic energy regenerative system)
Hydraulic energy regenerative system is stored by a two-way and reversible variable delivery hydraulic pump/motor 7 and high-low pressure
Can form by device 6 and 12, hydraulic pump/motor 7 completes the energy exchange between high-low pressure accumulator, low
Pressure accumulator 12 provides relatively stable sufficient low pressure oil sources for low pressure oil.High pressure accumulator 6 stores
With release braking energy.Controller in this system, for managing moving between electromotor and accumulator
Power switching, signal output and recovery brake energy.
When automobile brake, engine idle, clutch A14 disconnects, and clutch B16 closes,
Controlling to connect oil cylinder switch electromagnetic valve 10, hydraulic pump/motor 7 duty is pump state, now drives
Dynamic bridge 17 drives hydraulic pump/motor to work by epicyclic train 15, and the kinetic energy of automobile passes through planet machine
Structure drives hydraulic oil pump 7 to work, and the hydraulic oil in low pressure accumulator 12 is pumped into high pressure accumulator 6
In, it is achieved the recovery of Brake Energy, Brake Energy is converted into hydraulic energy and stores.Brake Energy reclaims energy
Even control: by controlling the pressure between high pressure accumulator 6 and hydraulic pump/motor 7 and flow system
Kinetic energy reclaims and controls.Method particularly includes: when car braking is slowed down, first gently step on brake pedal, pedal angle
When degree is in low-intensity brake district, controller accepts brake pedal signal and sends instruction, changes hydraulic pressure
Pump/motor 7 stroking mechanism inclination angle work quadrant, hydraulic pump/motor 7 plays hydraulic pump effect, swivel wheel
Inertia belt hydraulic pump rotate, the fluid in low pressure accumulator 12 is drawn into hydraulic pump 7, and by height
Force feed liquid exports high pressure accumulator 6, it is achieved brake energy reclaims.
4) startup, acceleration mode
When starting and accelerate, the lightest step on the gas pedal, accelerator pedal angle is in and only uses hydraulic energy
The region of regenerative system, controller accepts accelerator pedal signal and sends instruction, changes hydraulic pump/motor
7 stroking mechanism inclination angle work quadrants, make hydraulic pump/motor 7 be used as hydraulic motor, high pressure accumulator 6
To hydraulic pressure horse 7, i.e. hydraulic pump/motor reach output store energy, hydraulic motor 7, i.e. hydraulic pump/
Revolution also drives vehicle launch, hydraulic motor 7 simultaneously, i.e. the fluid of hydraulic pump/motor oil-out
Return to low pressure accumulator 12；During this, clutch A14 disconnects, and electromotor is not actuated.When adding
When the hydraulic energy of the speed more power of needs and high pressure accumulator 6 is not enough, just starts electromotor and work also
To epicyclic train 7 output mechanical energy.
The Full Vehicle System of the machine hydraulic hybrid type power system based on double dynamical output of the present invention will be used not
Flow to be described as follows with operation power during operating mode:
Figure three applies to the schematic diagram of car load for this invention, and 1 is double dynamical output engine, and this is opposed
Electromotor can be multicylinder engine, needs optional concrete cylinder number according to power.Each cylinder plug end is respectively
It is connected with high-pressure oil passage 5a and low pressure oil way 5b with 8 by check valve 4；6 and 12 are respectively height
High pressure accumulator on force feed road and the low pressure accumulator on low pressure oil way；7 is hydraulic pump/motor, position
Between high-pressure oil passage 5a and low pressure oil way 5b, its mechanical output is confluxed with planet by power transmission shaft
Row 15 connection.Engine crankshaft end 13 is connected with planet bus-bar 15 by power transmission shaft, both it
Between power transmission shaft install a clutch A14.Planet bus-bar 15 outfan by power transmission shaft and from
Clutch B16 is connected with vehicle rear axle.20 is front-wheel high pressure check valve, with high-pressure oil passage and front-wheel liquid
Pressure pump/motor 21；22 can reclaim electromagnetic valve for front wheel brake, connect front-wheel hydraulic pump/motor 21 He
Low pressure oil way；The mechanical output of front-wheel hydraulic pump/motor 21 is connected with front-wheel vehicle bridge.Front-wheel high pressure
Check valve 20 effect is that the oil stopping high-pressure oil passage flows to front-wheel hydraulic pump/motor 21, i.e. ensures that this is whole
Car system is rear wheel drive, and the hydraulic energy reclaimed when braking can be made can to flow to high-pressure oil passage simultaneously,
Energy storage is carried out hence into high pressure accumulator 6；If removing front-wheel high pressure check valve 20, and system is done
Suitable change, then this Full Vehicle System is four-wheel drive system.
1) when electromotor starts.When electromotor initial start, the routine utilizing electromotor to be carried rises
Dynamic system starts: utilizes the energy needing electrical equipment will start motor and connects, starts electromotor.It moves
Power energy transmits as shown in Figure IV, now clutch A14 and clutch B16 Guan Bi, controls to connect
Oil cylinder switch electromagnetic valve 10 closes.
2) when hydraulic plunger energy storage is made.Hydraulic plunger energy storage make whether energy storage with in high pressure accumulator 6
Hydraulic energy be correlated with, when the pressure in high pressure accumulator 6 less than setting value time, control connect low pressure
Fuel path switch electromagnetic valve 9 closes, and controls to connect oil cylinder switch electromagnetic valve 10 and disconnects, front wheel brake energy
Reclaiming switch electromagnet 22 to disconnect, hydraulic plunger is that high pressure accumulator 6 supplements high pressure liquid force feed, protects
Card high pressure accumulator 6 maintains and sets hydraulic pressure；When hydraulic accumulator 6 energy is enough, control
Connect low pressure oil way switch electromagnetic valve 9 to disconnect, control to connect oil cylinder switch electromagnetic valve 10 and close, front
Wheel Brake Energy reclaims switch electromagnetic valve 22 and disconnects, and hydraulic plunger stops as high pressure accumulator energy storage.Liquid
When hydraulic plunger energy storage is made, energy moves towards as shown in Figure 5, and check valve 5 is opened, and check valve 18 disconnects,
Hydraulic oil is pressed into high-pressure oil passage by plunger, and hydraulic oil enters high pressure accumulator.
3) during normal vehicle operation.When normal vehicle operation, system the most only export machinery or
Hydraulic energy or the two have concurrently, depend on the requirement that vehicle travels；In the design, there is energy saver mode respectively
And dynamic mode.Central control system can determine and take mechanical energy and liquid according to required pattern
Pressure energy allocation proportion, to achieve the goal.During normal vehicle operation, car load energy flows to as shown in figure 6,
Mechanical energy is directly exported by engine crankshaft 13；Check valve 5 and 18 all closes, and hydraulic energy is then by height
Pressure accumulator 6 provides, electromotor plunger continuous bulking liquor pressure energy.Clutch 23, A14 and B16
All closing, hydraulic energy is converted to mechanical energy by hydraulic pump 7 by hydraulic oil, and this some mechanical can be with song
The mechanical energy of axle is converged at planet bus-bar 15, and passes on drive axle.
4) when Brake Energy reclaims.When vehicle deceleration is braked, clutch A14 disconnects, clutch B16
Guan Bi, controls to connect oil cylinder switch electromagnetic valve 10 and front wheel brake can reclaim switch electromagnet 22 and close,
Electromotor 19 is in idling mode.Car load energy during Brake Energy results flows to as shown in figure seven, rotation
The inertia belt hydraulic pump 7 and 21 changing trains or buses to take turns rotates, and the fluid in low pressure accumulator 12 is drawn into liquid
In press pump 7, i.e. hydraulic pump/motor, and high-voltage oil liquid is exported high pressure accumulator 6, it is achieved brake
Energy regenerating.
5) when idling is stopped.When vehicle runs into needs of short duration parking, car load energy when idling is stopped
Flowing to as shown in Figure 8, be extinguished by electromotor 19, vehicle assisted system is switched to hydraulic driving mode,
I.e. export power by devices such as belt drives air compressor machines by hydraulic motor 7, it is ensured that engine stop
During work, vehicle assisted system can normally work.In figure, 24 is aid system, as air conditioner compressed
Machine etc..Under this state, clutch 23 disconnects, and the energy of hydraulic motor 7 output is used for driving auxiliary
System 24.
6) when vehicle needs again to start.When vehicle needs again to start, i.e. driver is given and opens
After dynamic instruction, car load energy flows to as shown in Figure 9；At this moment hydraulic pump/motor 7 is adjusted to hydraulic pressure horse
Reaching operating mode, the hydraulic oil in high pressure accumulator 6 drives hydraulic motor to rotate.This part rotating energy by
Epicyclic train 15 is divided into two parts, a part to pass to, on driving wheel, make vehicle start by back axle
And accelerate；Moment of torsion is reached electromotor 19 by clutch A14 and bent axle 13 by another part, drags
Electromotor 19 high-speed starting, makes electromotor 19 rapidly enter duty.
In sum, the machine hydraulic hybrid type power system based on double dynamical output of the present invention, utilize this
Motivation can pass through bent axle output mechanical energy, and changes mechanical energy is hydraulic pressure by rocking arm by this electromotor simultaneously
Can export, thus realize mechanical energy and the feature of the double dynamical output of hydraulic energy, constitute machine-liquid mixing dynamic
Force system；Still further aspect, uses the recyclable Brake Energy of hydraulic energy-accumulating technology, reduces system in this system
System energy loss.This patent of invention has machinery output and the advantage of hydraulic pressure output simultaneously, in conjunction with vehicle
Driving cycle requirement, can by coupling hydraulic pressure output and machine output power reach optimization and start
The purpose of machine state of cyclic operation, improves economy and the emission performance of electromotor.As the case may be, also
Hydraulic energy can be converted to mechanical energy output.The energy of this system optimization electromotor and drive system passes
Defeated form, it is achieved that the soft readjustment of actuating unit, further increases dynamical system power close
Degree.Achieve highly flexible to arrange, effectively utilize space；By using energy accumulating technique, make small-power
Electromotor meets the power demand of higher-wattage vehicle.Utilize this electromotor can realize mechanical energy the most defeated
Go out and can mutually change and the function of regulation between output mechanical energy and hydraulic energy again, in this, as car
Dynamical system, it is achieved machine-hydraulic hybrid type power drives concept.And have small size, low weight, Gao Gong
The advantages such as rate, this fermentation patent is by the general layout to machine-liquid hybrid drive system, in conjunction with vehicle
Driving cycle, to the power match between machine output power and the hydraulic pressure output of electromotor, optimizes
The state of cyclic operation of electromotor, reaches to optimize electromotor economy, the purpose of emission performance.In conjunction with different
The pattern of drive system, structure, by non-conventional engine, hydraulic system, the organic knot of Comprehensive Control
Close, improve the overall efficiency of system.
The foregoing is only presently preferred embodiments of the present invention, be not used for limiting the enforcement model of the present invention
Enclose；If without departing from the spirit and scope of the present invention, the present invention is modified or equivalent,
All should contain in the middle of the protection domain of the claims in the present invention.
Claims (3)
1. a machine hydraulic hybrid type power system based on the double dynamical output engine of machine-liquid, its feature exists
In,
Including the double dynamical output engine of machine-liquid, hydraulic plunger module, hydraulic energy module, machinery
Energy module, and power flow concentration module；Wherein,
Described hydraulic energy module includes hydraulic pump/motor (7), high-pressure oil passage (5 (a)), low pressure oil
Road (5 (b)), low pressure accumulator (12) and high pressure accumulator (6), described mechanical energy module bag
Include epicyclic train (15)；Described high pressure accumulator (6) and described low pressure accumulator (12) are respectively
By described high-pressure oil passage (5 (a)) and described low pressure oil way (5 (b)) and described hydraulic pump/motor
(7) be connected, described hydraulic pump/motor (7) also with the first of described epicyclic train (15) the input
End is connected,
Described electromotor (1) include rocking arm, described hydraulic plunger module include hydraulic plunger (2) and
Hydraulic ram cylinders (3)；
Described hydraulic plunger (2) includes upper extreme point and lower extreme point, described upper extreme point and described rocking arm with
Ball pivot form is connected, and described lower extreme point central point is positioned on the axis of described hydraulic ram cylinders (3),
And can move reciprocatingly along axis；Described hydraulic ram cylinders (3) is fixed on engine body.
Dynamical system the most according to claim 1, it is characterised in that
Described hydraulic energy module also includes unidirectional compression valve (4), unidirectional inlet valve (8), electromagnetic valve
(9), low pressure oil cylinder (11) and electromagnetic valve (10)；
Described hydraulic ram cylinders (3) includes A mouth and B mouth, and A mouth is by hydraulic oil pipe and described height
Force feed road (5 (a)) is connected, and B mouth is by hydraulic oil pipe and described low pressure oil way (5 (b)) and institute
State low pressure oil cylinder (11) to connect；
Described electromagnetic valve (9) is arranged at described low pressure accumulator (12) and low pressure oil way (5 (b))
Between, described unidirectional compression valve (4) is arranged between described A mouth and high-pressure oil passage (5 (a)), institute
State unidirectional inlet valve (8) to be arranged between described B mouth and low pressure oil way, described electromagnetic valve (10)
It is arranged between described B mouth and described low pressure oil cylinder (11).
Dynamical system the most according to claim 2, it is characterised in that
Described mechanical energy module also include engine crankshaft outfan (13), clutch A (14),
Clutch B (16), drive axle (17) and driven pulley (18)；
Epicyclic train (15) includes that change speed gear box, confluence mechanism, the second mechanical input and machinery are defeated
Going out end, the second mechanical input is connected with crankshaft output end (13) by mechanical drive shaft, described from
Clutch A (14) is arranged between described crankshaft output end (13) and described epicyclic train (15)
Power transmission shaft on, described mechanical output is connected with described drive axle (17) by mechanical drive shaft,
Described clutch B (16) is arranged between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210384442.1A CN102862468B (en) | 2012-10-11 | 2012-10-11 | A kind of machine hydraulic hybrid type power system based on double dynamical output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210384442.1A CN102862468B (en) | 2012-10-11 | 2012-10-11 | A kind of machine hydraulic hybrid type power system based on double dynamical output |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102862468A CN102862468A (en) | 2013-01-09 |
| CN102862468B true CN102862468B (en) | 2016-09-14 |
Family
ID=47441701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210384442.1A Expired - Fee Related CN102862468B (en) | 2012-10-11 | 2012-10-11 | A kind of machine hydraulic hybrid type power system based on double dynamical output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102862468B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213487B (en) * | 2013-03-01 | 2015-09-30 | 北京理工大学 | Based on the drive device for hybrid vehicle of voltage transformer, Hydraulic Pump and multi-joint motor |
| CN103171429B (en) * | 2013-03-01 | 2015-07-01 | 北京理工大学 | Hybrid power vehicle driving device based on variable pump and quantitative multi-joint motor |
| CN105539132B (en) * | 2015-12-16 | 2018-04-17 | 徐州重型机械有限公司 | Dual power drive system, engineering machinery vehicle and control method |
| CN105502230B (en) * | 2016-01-21 | 2017-10-27 | 安徽农业大学 | A kind of hybrid power forklift transmission system |
| CN109466305B (en) * | 2018-11-27 | 2021-10-01 | 上海电机学院 | Starting booster for moped |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB538279A (en) * | 1939-01-25 | 1941-07-28 | Frankfurter Maschb Ag | Opposed-piston internal-combustion engine |
| GB779631A (en) * | 1952-12-18 | 1957-07-24 | Roland Laraque | Improvements relating to internal combustion engines with opposed pistons |
| CN100999184A (en) * | 2006-01-11 | 2007-07-18 | 北京嘉捷博大电动车有限公司 | Rear driven mixed power vehicle of motor hydraulic device connection type |
| CN201506246U (en) * | 2009-09-25 | 2010-06-16 | 徐工集团工程机械有限公司 | Series-parallel hydraulic hybrid vehicle |
-
2012
- 2012-10-11 CN CN201210384442.1A patent/CN102862468B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB538279A (en) * | 1939-01-25 | 1941-07-28 | Frankfurter Maschb Ag | Opposed-piston internal-combustion engine |
| GB779631A (en) * | 1952-12-18 | 1957-07-24 | Roland Laraque | Improvements relating to internal combustion engines with opposed pistons |
| CN100999184A (en) * | 2006-01-11 | 2007-07-18 | 北京嘉捷博大电动车有限公司 | Rear driven mixed power vehicle of motor hydraulic device connection type |
| CN201506246U (en) * | 2009-09-25 | 2010-06-16 | 徐工集团工程机械有限公司 | Series-parallel hydraulic hybrid vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102862468A (en) | 2013-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102862468B (en) | A kind of machine hydraulic hybrid type power system based on double dynamical output | |
| US7654354B1 (en) | System and method for providing a launch assist system | |
| US7841432B2 (en) | Hydro-electric hybrid drive system for motor vehicle | |
| US7793496B2 (en) | Infinitely variable transmission hydraulic hybrid for on and off highway vehicles | |
| US20100314186A1 (en) | Air hybrid vehicle | |
| CN103552454B (en) | Series parallel type hydraulic hybrid vehicle power assembly system | |
| CN102069788A (en) | Pneumatic vehicular braking energy recovery and recycling device and control method | |
| CN103590912A (en) | Engine system and method for controlling the same | |
| CN101704336A (en) | Energy-saving hydraulic hybrid power system of loader | |
| CN102897012B (en) | A kind of hybrid power loop based on machine liquid associating energy regeneration | |
| CN202896268U (en) | Hybrid power return circuit based on mechanical and hydraulic combined energy regeneration | |
| CN104791307A (en) | Gear follow-up type two-cylinder four-stroke hydraulic free piston engine | |
| CN102514474A (en) | Series-parallel combined hydraulic power system of hybrid electric vehicle | |
| CN106564368A (en) | Hybrid power drive system and vehicle | |
| CN206186791U (en) | Multi -functional anti -dust car full hydraulic drive system | |
| US11498405B2 (en) | Four-wheel drive hybrid vehicle comprising an internal combustion heat engine provided with an electrified turbine | |
| CN201208898Y (en) | Energy recovery and supercharging device for internal combustion engine | |
| CN106945678A (en) | A kind of effectively power drive system of electro-hydraulic railcar | |
| CN1150099C (en) | Gas-electricity power combined engine | |
| CN103223861B (en) | Pneumatic vehicle | |
| CN103419630A (en) | Vehicular self-drive hydraulic control system with function of inertial energy accumulation | |
| CN200984966Y (en) | Coaxial type power system for mixed power electric automobile | |
| CN101875313A (en) | Wind power motor vehicle | |
| CN204591821U (en) | A kind of gear follow-up-type two cylinder four-stroke hydraulic free-piston engine | |
| CN202641361U (en) | Compressed-air power car with electric control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20181011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |