CN201506246U - Series-parallel hydraulic hybrid vehicle - Google Patents
Series-parallel hydraulic hybrid vehicle Download PDFInfo
- Publication number
- CN201506246U CN201506246U CN2009202240112U CN200920224011U CN201506246U CN 201506246 U CN201506246 U CN 201506246U CN 2009202240112 U CN2009202240112 U CN 2009202240112U CN 200920224011 U CN200920224011 U CN 200920224011U CN 201506246 U CN201506246 U CN 201506246U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- central controller
- oil
- motor
- gear train
- 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
- Control Of Fluid Gearings (AREA)
- Motor Power Transmission Devices (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
A series-parallel hydraulic hybrid vehicle belongs to vehicle. The engine of the hybrid vehicle is connected with a clutch and a speed changer in turn. The input shaft of a planet gear train is connected with the output shaft of the speed changer. The first output shaft of the planet gear train is connected with one end of a transmission shaft the other end of which is connected with the input end of a drive axle. The second output shaft of the planet gear train is connected with a hydraulic pump or motor. The third output shaft of the planet gear train is connected with a hydraulic variable displacement pump. A brake is arranged at the other end of the third output shaft. The oil inlet end port of the hydraulic pump or motor is communicated with the oil inlet end port of an on-off two-way change valve and the oil outlet end port of a one-way valve. The oil outlet of the on-off two-way change valve is communicated with the oil orifice of a high pressure hydraulic energy accumulator. The oil inlet end port of the one-way valve is communicated with the oil outlet end port of the hydraulic variable displacement pump. The oil outlet end port of the hydraulic pump or motor and the oil inlet end port of the hydraulic variable displacement pump are communicated with the oil line port of a low pressure hydraulic energy accumulator. The advantage is that residual energy is reclaimed and fuel consumption is reduced.
Description
Technical field
The utility model relates to a kind of vehicle, especially a kind of series parallel type hydraulic hybrid power vehicles.
Background technology
Along with developing rapidly of industrial technology in the world wide, energy shortage and problem of environmental pollution also are on the rise.The city vehicle average ground speed is low, and maximum speed is not high yet, and often needs braking, deceleration, so oil consumption height, the exhaust emissions of vehicle are serious.Motor vehicle driven by mixed power requires closed-center system can reclaim and discharge a large amount of power at short notice.The battery technology power density is little, makes storage battery moment charge and discharge big electric current difficulty, causes that power-supply system efficient is low, braking energy reclaims not goodly, and super capacitor and fuel cell exist problems such as tangible cost and technical security.The hydraulic accumulator power density is big, is suitable for medium and heavy city vehicle.Hydraulic hybrid power vehicles mainly is divided into tandem and parallel at present.Tandem hydraulic hybrid transformation of energy link is many, and overall efficiency is not very high; Parallel hydraulic hybrid architecture complexity, it is limited to take into account vehicle speed range, and energy-saving effect is not very obvious.
The utility model content
The purpose of this utility model is to provide a kind of: can reduce the oil consumption of vehicle and the series parallel type hydraulic hybrid power vehicles of exhaust emissions amount significantly.
The purpose of this utility model is achieved in that this series parallel type hydraulic hybrid power vehicles is made up of hydraulic variable displacement pump (1), check valve (2), central controller (3), 2/2-way change-over valve (4), high-pressure hydraulic accumulator (5), drg (7), planetary gear train (8), change-speed box (9), driving engine (10), power-transfer clutch (11), low-pressure hydraulic energy storage (12), hydraulic pump/motor (14), drive axle (15), transmission shaft (16);
Driving engine (10) successively with power-transfer clutch (11), change-speed box (9) connects, the input shaft of planetary gear train (8) is connected with the output shaft of change-speed box (9), first output shaft (17) of planetary gear train (8) is connected with transmission shaft (16) one ends, the other end of transmission shaft (16) is connected with the input end of drive axle (15), second output shaft (13) of planetary gear train (8) is connected with hydraulic pump/motor (14), the 3rd output shaft (6) of planetary gear train (8) is connected with hydraulic variable displacement pump (1), drg (7) is arranged on the other end of the 3rd output shaft (6), the oil-feed port of the oil-feed port of hydraulic pump/motor (14) and 2/2-way change-over valve (4), the fuel-displaced port of check valve (2) is communicated with, the oil outlet of 2/2-way change-over valve (4) is communicated with the hydraulic fluid port of high-pressure hydraulic accumulator (5), the oil-feed port of check valve (2) is communicated with the fuel-displaced port of hydraulic variable displacement pump (1), the fuel-displaced port of hydraulic pump/motor (14), the oil-feed port of hydraulic variable displacement pump (1) is communicated with the oil circuit port of low-pressure hydraulic energy storage (12), the control input end of 2/2-way change-over valve (4) is connected with first control output end of central controller (3), the pressure signal mouth of high-pressure hydraulic accumulator (5) is connected with first signal input part of central controller, the control input end of driving engine is connected with second control output end of central controller (3), the signal input end of hydraulic pump/motor (14) is connected with the 3rd control output end of central controller (3), the signal input end of hydraulic variable displacement pump (1) is connected with the 4th control output end of central controller (3), and the signal input end of drg (7) is connected with the 5th control output end of central controller (3).
Described central controller 3 is the PIC series monolithic.
Beneficial effect, hydraulic pump/motor, high-pressure hydraulic accumulator, low-pressure hydraulic energy storage, 2/2-way change-over valve are formed hydraulic hybrid power system, be connected with hydraulic variable displacement pump with transmission shaft by the mode of planetary gear train with series-parallel connection, central controller is controlled the output of car load power in real time by hydraulic pump/motor, hydraulic variable displacement pump, driving engine.
(1) when vehicle launch or low cruise operating mode; adopt pure hydraulic driving mode, the central controller controls hydraulic pump/motor works in the motor operating mode, controls the 2/2-way change-over valve simultaneously and opens; high-pressure hydraulic accumulator provides high pressure fuel source for hydraulic pump/motor, and driving engine 1 is shut down.When the pressure in the hydraulic accumulator during near minimum operating pressure, driving engine 1 starts, and hydraulic pump/motor is not worked.Under this pattern, because driving engine 1 cuts out, high oil consumption when making driving engine 1 avoid low speed, maximum discharge stage, car load efficient is higher.
(2) when car speed gives it the gun above critical speed, adopt the associating type of drive, the common powered vehicle of driving engine and hydraulic pump/motor is travelled.The central controller controls clutch engagement, the mechanical energy of driving engine is come powered vehicle by power-transfer clutch, transmission shaft, drive axle; Central controller controls 2/2-way change-over valve is opened, and the energy of hydraulic accumulator comes powered vehicle by hydraulic pump/motor, planetary gear train, transmission shaft, drive axle, realizes combination drive.
(3) when car speed surpasses critical speed and at the uniform velocity travels, power-transfer clutch still is in engagement state, only drives drive axle by driving engine by power-transfer clutch, change-speed box, and central controller controls 2/2-way change-over valve is closed, hydraulic pump/motor is not worked, and there is not energy exchange in hydraulic accumulator.
When (4) economic pace traveled at the uniform speed operating mode, the car load demand power was little, and driving engine is the hydraulic accumulator pressurising by planetary gear train, hydraulic variable displacement pump, and hydraulic pump/motor is not worked.If the pressure of hydraulic accumulator reaches high workload pressurising pressure, car load adopts the hydraulic-driven pattern, and this moment, driving engine was not worked, and hydraulic pump/motor provides driving power separately, satisfies the requirement of car load tractive performance, car load efficient height.
(5) damped condition, central controller identifies the required brake torque of vehicle according to the displacement signal of brake pedal, transmit control signal to hydraulic pump/motor, make hydraulic pump/motor work in the pump operating mode, central controller controls 2/2-way change-over valve is opened simultaneously, to the high pressure accumulator feedback energy.If the maximum braking torque that hydraulic pump/motor provides can not satisfy the target braking torque of complete machine, central controller transmits control signal to the mechanical braking controller, and friction braking system provides remaining brake torque.
The series parallel type hydraulic hybrid power vehicles has the advantage of series-mode frame and parallel structure, elements such as driving engine, hydraulic variable displacement pump, hydraulic pump/motor are more made up, thereby structurally guaranteed under more complicated operating mode, to make system works at optimum state, therefore can reduce the oil consumption and the exhaust emissions amount of vehicle significantly, reach the purpose of this utility model.
Advantage: does not work under lower-speed state owing to driving engine (1), hydraulic pump/motor participation work during acceleration, thereby alleviated the workload of driving engine, made driving engine can be operated in a more stable zone, improved the fuel efficiency and the emission behavior of driving engine;
(2) the hydraulic accumulator power density is big, the braking energy percent recovery height of deceleration/glancing impact, thus can reach the purpose that reduces fuel consumption;
(3) hydraulic variable displacement pump is adjusted the working load of driving engine when engine operation, guarantees that engine operation in best fuel-economy district, reclaims simultaneously more than energy;
(4) because glancing impact adopts regenerative brake, the traditional braking system is less even not to participate in work, has improved the practical life of brake system, has saved service expenditure;
(5) existence of hydraulic pump/motor regenerative brake torque has improved the safety of vehicle at the long slope braking procedure.
Description of drawings
Fig. 1 is the structural representation of series parallel type hydraulic hybrid power vehicles of the present utility model.
Among the figure, 1, hydraulic variable displacement pump; 2, check valve; 3, central controller; 4,2/2-way change-over valve; 5, high-pressure hydraulic accumulator; 7, drg; 8, planetary gear train; 9, change-speed box; 10, driving engine; 11, power-transfer clutch; 12, low-pressure hydraulic energy storage; 14, hydraulic pump/motor; 15, drive axle; 16 transmission shafts.
The specific embodiment
Embodiment 1: this series parallel type hydraulic hybrid power vehicles is made up of hydraulic variable displacement pump 1, check valve 2, central controller 3,2/2-way change-over valve 4, high-pressure hydraulic accumulator 5, drg 7, planetary gear train 8, change-speed box 9, driving engine 10, power-transfer clutch 11, low-pressure hydraulic energy storage 12, hydraulic pump/motor 14, drive axle 15;
Driving engine 10 successively with power-transfer clutch 11, change-speed box 9 connects, the input shaft of planetary gear train 8 is connected with the output shaft of change-speed box 9, first output shaft 17 of planetary gear train 8 is connected with transmission shaft 16 1 ends, the other end of transmission shaft 16 is connected with the input end of drive axle 15, second output shaft 13 of planetary gear train 8 is connected with hydraulic pump/motor 14, the 3rd output shaft 6 of planetary gear train 8 is connected with hydraulic variable displacement pump 1, drg 7 is arranged on the other end of the 3rd output shaft 6, the oil-feed port of hydraulic pump/motor 14 and the oil-feed port of 2/2-way change-over valve 4, the fuel-displaced port of check valve 2 is communicated with, the oil outlet of 2/2-way change-over valve 4 is communicated with the hydraulic fluid port of high-pressure hydraulic accumulator 5, the oil-feed port of check valve 2 is communicated with the fuel-displaced port of hydraulic variable displacement pump 1, the fuel-displaced port of hydraulic pump/motor 14, the oil-feed port of hydraulic variable displacement pump 1 is communicated with the oil circuit port of low-pressure hydraulic energy storage 12, the control input end of 2/2-way change-over valve 4 is connected with first control output end of central controller 3, the pressure signal mouth of high-pressure hydraulic accumulator 5 is connected with first signal input part of central controller, the control input end of driving engine is connected with second control output end of central controller 3, the signal input end of hydraulic pump/motor 14 is connected with the 3rd control output end of central controller 3, the signal input end of hydraulic variable displacement pump 1 is connected with the 4th control output end of central controller 3, and the signal input end of drg 7 is connected with the 5th control output end of central controller 3.
The pressure signal mouth of described hydraulic accumulator 5 is communicated with first signal input part of central controller 3, judges its energy of reserve by the pressure of measuring hydraulic accumulator.
Described central controller 3 is the PIC series monolithic.
The control input end of described 2/2-way change-over valve 4 is communicated with the first signal control mouth of central controller 3, realizes the release and the recovery of energy by controlling its switch.
Claims (2)
1. series parallel type hydraulic hybrid power vehicles, it is characterized in that: this series parallel type hydraulic hybrid power vehicles is made up of hydraulic variable displacement pump (1), check valve (2), central controller (3), 2/2-way change-over valve (4), high-pressure hydraulic accumulator (5), drg (7), planetary gear train (8), change-speed box (9), driving engine (10), power-transfer clutch (11), low-pressure hydraulic energy storage (12), hydraulic pump/motor (14), drive axle (15), transmission shaft (16);
Driving engine (10) successively with power-transfer clutch (11), change-speed box (9) connects, the input shaft of planetary gear train (8) is connected with the output shaft of change-speed box (9), first output shaft (17) of planetary gear train (8) is connected with transmission shaft (16) one ends, the other end of transmission shaft (16) is connected with the input end of drive axle (15), second output shaft (13) of planetary gear train (8) is connected with hydraulic pump/motor (14), the 3rd output shaft (6) of planetary gear train (8) is connected with hydraulic variable displacement pump (1), drg (7) is arranged on the other end of the 3rd output shaft (6), the oil-feed port of the oil-feed port of hydraulic pump/motor (14) and 2/2-way change-over valve (4), the fuel-displaced port of check valve (2) is communicated with, the oil outlet of 2/2-way change-over valve (4) is communicated with the hydraulic fluid port of high-pressure hydraulic accumulator (5), the oil-feed port of check valve (2) is communicated with the fuel-displaced port of hydraulic variable displacement pump (1), the fuel-displaced port of hydraulic pump/motor (14), the oil-feed port of hydraulic variable displacement pump (1) is communicated with the oil circuit port of low-pressure hydraulic energy storage (12), the control input end of 2/2-way change-over valve (4) is connected with first control output end of central controller (3), the pressure signal mouth of high-pressure hydraulic accumulator (5) is connected with first signal input part of central controller, the control input end of driving engine is connected with second control output end of central controller (3), the signal input end of hydraulic pump/motor (14) is connected with the 3rd control output end of central controller (3), the signal input end of hydraulic variable displacement pump (1) is connected with the 4th control output end of central controller (3), and the signal input end of drg (7) is connected with the 5th control output end of central controller (3).
2. series parallel type hydraulic hybrid power vehicles according to claim 1 is characterized in that: described central controller (3) is the PIC series monolithic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202240112U CN201506246U (en) | 2009-09-25 | 2009-09-25 | Series-parallel hydraulic hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202240112U CN201506246U (en) | 2009-09-25 | 2009-09-25 | Series-parallel hydraulic hybrid vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201506246U true CN201506246U (en) | 2010-06-16 |
Family
ID=42467377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202240112U Expired - Fee Related CN201506246U (en) | 2009-09-25 | 2009-09-25 | Series-parallel hydraulic hybrid vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201506246U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381304A (en) * | 2011-08-04 | 2012-03-21 | 李家涛 | Automatic emergency clutch brake device for automobile |
| CN102514474A (en) * | 2011-12-28 | 2012-06-27 | 哈尔滨工业大学 | Series-parallel combined hydraulic power system of hybrid electric vehicle |
| CN102862468A (en) * | 2012-10-11 | 2013-01-09 | 北京理工大学 | Machine liquid hybrid power system based on double-power output |
| CN104816621A (en) * | 2015-04-27 | 2015-08-05 | 潍柴动力股份有限公司 | Hydraulic hybrid power vehicle and hydraulic hybrid power system thereof |
| CN104859434A (en) * | 2015-04-28 | 2015-08-26 | 同济大学 | Power transmission system for energy storage type two-stage hydraulic-control vehicle |
| CN105298993A (en) * | 2015-10-19 | 2016-02-03 | 太原理工大学 | Mechanical soft starting auxiliary driving device |
| CN110901365A (en) * | 2019-11-23 | 2020-03-24 | 中国人民解放军陆军装甲兵学院士官学校 | Hydraulic hybrid power device of heavy vehicle |
| CN110997377A (en) * | 2017-06-23 | 2020-04-10 | 罗尔工业公司 | Motorized axle and vehicle equipped with such an axle |
| CN111516478A (en) * | 2020-03-23 | 2020-08-11 | 潍柴动力股份有限公司 | Transmission system of vehicle and vehicle |
-
2009
- 2009-09-25 CN CN2009202240112U patent/CN201506246U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381304B (en) * | 2011-08-04 | 2014-11-05 | 李家涛 | Automatic emergency clutch brake device for automobile |
| CN102381304A (en) * | 2011-08-04 | 2012-03-21 | 李家涛 | Automatic emergency clutch brake device for automobile |
| CN102514474A (en) * | 2011-12-28 | 2012-06-27 | 哈尔滨工业大学 | Series-parallel combined hydraulic power system of hybrid electric vehicle |
| CN102862468B (en) * | 2012-10-11 | 2016-09-14 | 北京理工大学 | A kind of machine hydraulic hybrid type power system based on double dynamical output |
| CN102862468A (en) * | 2012-10-11 | 2013-01-09 | 北京理工大学 | Machine liquid hybrid power system based on double-power output |
| CN104816621A (en) * | 2015-04-27 | 2015-08-05 | 潍柴动力股份有限公司 | Hydraulic hybrid power vehicle and hydraulic hybrid power system thereof |
| CN104816621B (en) * | 2015-04-27 | 2017-07-28 | 潍柴动力股份有限公司 | Hydraulic hybrid power vehicles and its hydraulic hybrid power system |
| CN104859434B (en) * | 2015-04-28 | 2018-08-28 | 同济大学 | A kind of accumulation energy type twin-stage hydraulic control power train in vehicle application transmission system |
| CN104859434A (en) * | 2015-04-28 | 2015-08-26 | 同济大学 | Power transmission system for energy storage type two-stage hydraulic-control vehicle |
| CN105298993A (en) * | 2015-10-19 | 2016-02-03 | 太原理工大学 | Mechanical soft starting auxiliary driving device |
| CN110997377A (en) * | 2017-06-23 | 2020-04-10 | 罗尔工业公司 | Motorized axle and vehicle equipped with such an axle |
| CN110901365A (en) * | 2019-11-23 | 2020-03-24 | 中国人民解放军陆军装甲兵学院士官学校 | Hydraulic hybrid power device of heavy vehicle |
| CN111516478A (en) * | 2020-03-23 | 2020-08-11 | 潍柴动力股份有限公司 | Transmission system of vehicle and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201506246U (en) | Series-parallel hydraulic hybrid vehicle | |
| CN101704337B (en) | Parallel-connection type hydraulic-electro hybrid power driving system | |
| CN202130300U (en) | Flywheel energy storage hydraulic driving device of hybrid power vehicle | |
| CN101704336B (en) | Energy-saving hydraulic hybrid power system of loader | |
| CN103223849B (en) | A kind of parallel-connection type hybrid power driver for vehicle | |
| CN107351670B (en) | Multi-energy hybrid power energy-saving vehicle | |
| CN202115325U (en) | Driving device of power dividing hydraulic hybrid power vehicle | |
| CN102795092A (en) | Power distribution hydraulic hybrid power drive device and vehicle | |
| CN106274444A (en) | Engineering machinery series-parallel connection dynamical system | |
| CN101337499A (en) | Vehicle braking kinetic-energy regeneration device | |
| CN103738154B (en) | The electric-hydraulic combined four-wheel-drive hybrid power system of oil and control method | |
| CN109457744A (en) | A kind of driving control system applied to pure electric vehicle loading machine | |
| CN106891711B (en) | Series-parallel hydraulic hybrid power control system and control method for loader | |
| CN201506243U (en) | Hydro-electric composite energy storing device | |
| CN202896268U (en) | Hybrid power return circuit based on mechanical and hydraulic combined energy regeneration | |
| CN203157693U (en) | Bi-motor multi-mode hybrid power driving system | |
| CN202345361U (en) | Double-axle drive unit of electrohydraulic composite hybrid power vehicles | |
| CN102756636A (en) | Hybrid driving device for concrete mixer and concrete mixer | |
| CN110978990A (en) | Timely four-wheel drive system of hybrid electric vehicle | |
| CN206568867U (en) | Load series-parallel machine hydraulic hybrid control system | |
| CN211252195U (en) | Timely four-wheel drive system of hybrid electric vehicle | |
| CN205706143U (en) | There is energy regenerating, the hydraulic auxiliary driving system of slow function | |
| CN202827108U (en) | Heavy hybrid power drive system based on double clutch automatic gearbox | |
| CN107906060A (en) | Vehicle parallel type hydraulic hybrid power system and its method with energy regenerating release function | |
| CN202608540U (en) | Drive assembly for hybrid vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20160925 |