CN103629196B - A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system - Google Patents
A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system Download PDFInfo
- Publication number
- CN103629196B CN103629196B CN201310697662.4A CN201310697662A CN103629196B CN 103629196 B CN103629196 B CN 103629196B CN 201310697662 A CN201310697662 A CN 201310697662A CN 103629196 B CN103629196 B CN 103629196B
- Authority
- CN
- China
- Prior art keywords
- oil
- motor
- supercharging device
- controller
- oil hydraulic
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
- Supercharger (AREA)
Abstract
The object of the present invention is to provide a kind of vehicle energy-saving device based on engineering machinery hydraulic drive system, comprise motor, oil hydraulic pump, three-way valve, oil hydraulic motor, clutch, generator, battery, supercharging device, controller, in deceleration or off-load process, motor driving electrical power generators by electrical power storage in the battery, the oil circuit of motor outlet connects proportional flow control valve, deliver in supercharging device by fuel-displaced for a part through proportional flow control valve, under acceleration or loading condition, battery release electric energy also drives supercharging device to pressurize to fluid, again the fluid after pressurization is delivered to working connection through three-way valve, the signal collected is delivered to controller with the speed probe be connected on motor output shaft by the pressure transducer be connected on working connection, and controller processes backward proportional pressure control valve as calculated and supercharging device exports target current value and target pressure value.Present invention achieves the recycling of energy, reach energy-conservation effect.
Description
Technical field
What the present invention relates to is a kind of energy saving device, specifically vehicle energy-saving device.
Background technique
The world today, the requirement energy-conservation to construction machinery industry is more and more higher, and in hydraulic system, has many places to improve.Vehicle is in deceleration or off-load process, often have energy greatly to lose due to friction, in real world devices, this part energy generator often generates electricity by we, store in the battery with the form of electric energy, thus enablely obtain recycling.In hydraulic driving system, after motor acting, the hydraulic oil of discharging from its oil outlet still has certain pressure energy, and this part pressure energy usually loses because fluid is directly discharged into fuel tank, causes certain energy dissipation.In vehicle operation, load is not changeless, frequent meeting load or unload, the situation of vehicle launch acceleration or braking deceleration, in existing technology, people are usually through changing the rotating speed of motor or changing pump displacement, motor displacement makes the output torque of motor and power and load match, thus make complete machine coordinate work stably, but this method needs longer regulation and control and operating time, and often change diesel engine speed and can make the work that diesel engine can not be stable, and Economy and oil consumption are all deteriorated, and the discharge capacity often changing pump and motor can make the service life reduction of pump and motor, and cause energy loss due to the continuous conversion of energy.Therefore, be necessary that the energy to these directly lose is recycled, also find out new method to avoid unnecessary energy loss simultaneously, the capacity usage ratio of whole hydraulic system is improved, thus reaches energy-conservation object.
Summary of the invention
The object of the present invention is to provide and vehicle is advanced a kind of vehicle energy-saving device based on engineering machinery hydraulic drive system that energy that middle direct loss fall recycles.
The object of the present invention is achieved like this:
A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system of the present invention, it is characterized in that: motor, generator, supercharging device, battery, oil hydraulic pump, oil hydraulic motor, clutch, controller, the output shaft of motor is connected with oil hydraulic pump and drives oil hydraulic pump draw oil from fuel tank, the hydraulic oil drawn enters into oil hydraulic motor from working connection, oil hydraulic motor is with dynamic load to do work under the driving of hydraulic oil, load is connected with generator by clutch, generator connects battery, battery is connected supercharging device respectively with controller, oil hydraulic motor is communicated with supercharging device by the first branch road, proportion of installation Flow valve on the first leg, proportional flow control valve connection control device, working connection arranges three-way valve, three-way valve connects the second branch road, supercharging device is by the second branch road connecting tee valve, in the acceleration or loading procedure of vehicle, the section hydraulic oil in oil hydraulic motor enters supercharging device through the first branch road, and battery-operated supercharging device carries out supercharging to hydraulic oil, flows back to working connection after hydraulic oil supercharging through the second branch road.
The present invention can also comprise:
1, the outlet port setting pressure sensor of oil hydraulic pump, pressure transducer sends the pressure information collected to controller; Installation rate sensor on the output shaft of oil hydraulic motor, velocity transducer sends the rotary speed information collected to controller.
2, after controller obtains pressure information and velocity information, target pressure value is exported to supercharging device, to proportional flow control valve output current value, thus the opening amount of control ratio Flow valve and enter into the hydraulic fluid flow rate of supercharging device.
3, in vehicle deceleration or off-load process, controller is zero to the current value that proportional flow control valve exports.
Advantage of the present invention is: in this energy saving device, the unnecessary energy of vehicle in deceleration or off-load process is collected with the form of electric energy, store in the battery, and discharge in vehicle acceleration or when loading, drive supercharging device to carry out supercharging to fluid, make this part energy obtain recycling.In vehicle acceleration or when loading, through three-way valve deliver in working connection after supercharging by fuel-displaced for the motor of certain flow in supercharging device, thus add the flow entering motor, the output power of oil hydraulic motor is increased, reach the object of acceleration, avoid in traditional vehicle acceleration or add in loaded regulate and control, need the process regulating engine speed or pump displacement motor displacement, the reaction time of system is shortened, also make the fluctuation of speed of diesel engine less, remain within the scope of efficient routine, oil consumption is reduced, Economy strengthens; Decrease the excursion of the discharge capacity of pump motor, the working life of pump motor is increased, decreases the energy loss caused due to the continuous conversion of energy in traditional adjustment process; Make the energy of directly loss originally obtain recycling, reduce the oil consumption of diesel engine, the capacity usage ratio of whole system is improved, reaches energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1, the present invention mainly consists of the following components: comprise motor 1, oil hydraulic pump 2, three-way valve 3, oil hydraulic motor 4, load 5, clutch 6, generator 7, battery 8, supercharging device 9, proportional flow control valve 10, controller 11, pressure transducer 12 and velocity transducer 13.Its feature is: as in Fig. 1, motor 1 is connected with oil hydraulic pump 2 by output shaft, drive oil hydraulic pump 2 rotate thus from fuel tank draw oil, hydraulic oil enters into oil hydraulic motor 4 from working connection, and oil hydraulic motor 4 rotates and is with dynamic load 5 to do work under the driving effect of fluid; Load 5 is connected with generator 7 by clutch 6, generator 7 is connected to again battery 8, in vehicle deceleration or off-load process, clutch 6 is connected, motor 4 drive electrical generators 7 generates electricity, make unnecessary energy be stored in battery 8 with the form of electric energy, controller 11 is zero to the current value that proportional flow control valve 10 exports; In vehicle acceleration or loading procedure, a part for oil hydraulic motor 4 is fuel-displaced enters into supercharging device 9 through proportional flow control valve 10, by the electrical energy drive supercharging device 9 in battery 8, supercharging is carried out to the fluid entered wherein, the goal pressure signal that concrete degree of boost is exported by controller 11 is determined, working connection is entered into by three-way valve 3 after fluid supercharging, thus increase and enter the flow of oil hydraulic motor 4, the output power of oil hydraulic motor 4 is increased, thus meets its mating with load 5; The pressure transducer 12 in the outlet port of oil hydraulic pump 2, send the force value collected to controller 11, velocity transducer 13 on oil hydraulic motor 4 output shaft sends the tachometer value collected to controller 11, controller 11 exports its target pressure value to supercharging device 9 after computing, export its current value to proportional flow control valve 10, thus control the opening amount of its valve 10 and enter into the fluid flow of supercharging device 9.
In deceleration or off-load process, controller 11 is zero to the current value that proportional flow control valve 10 exports, and this system still takes the modes such as traditional overflow or Displacement Regulation to regulate.
Hydraulic system energy-saving device of the present invention, comprises motor 1, oil hydraulic pump 2, three-way valve 3, oil hydraulic motor 4, load 5, clutch 6, generator 7, battery 8, supercharging device 9, proportional flow control valve 10, controller 11, pressure transducer 12 and velocity transducer 13.The output shaft of motor 1 is connected with oil hydraulic pump 2, oil hydraulic pump 2 is connected with working connection, working connection there is three-way valve 3, motor 4 is connected with load 5 with working connection, load 5 is connected with generator 7 by clutch 6 again, in vehicle deceleration or off-load process, clutch 6 is connected, motor 4 drive electrical generators 1 generates electricity, the electrical power storage produced is in battery 8, battery 8 is connected with supercharging device 9, supercharging device 9 and proportional flow control valve 10, three-way valve 3 is connected with controller 11, proportional flow control valve 10 is connected with controller 11 with the oil outlet of oil hydraulic motor 4, three-way valve 3 is connected on working connection, controller 11 is connected with pressure transducer 12 with velocity transducer 13.
Proportional flow control valve 10 is connected with supercharging device 9 with oil hydraulic motor 4, when vehicle carries out accelerating or loading, enters in supercharging device 9 by fuel-displaced a part of passing ratio Flow valve 10 of oil hydraulic motor 4;
Supercharging device 9 is connected with three-way valve 3 with battery 8, the electric energy of battery 8 drives supercharging device 9 to be pressurizeed by the fluid entering its inside, its degree of boost depends on the target pressure value that controller 11 exports, again the hydraulic oil being compressed to certain pressure is delivered to three-way valve 3 and enters into working connection, it is made to deliver in oil hydraulic motor 4 together with the hydraulic oil exported from oil hydraulic pump 2, the flow of oil hydraulic motor 4 is increased, thus its output power is increased, and match with load 5.
Described controller 11 and velocity transducer 13, pressure transducer 12, proportional current valve 10 is connected with supercharging device 9, the output shaft that velocity transducer 13 is connected on oil hydraulic motor 4 gathers motor 4 rotating speed, controller 11 is given again by the signal of collection, pressure transducer 12 is connected on working connection, gather the force value of high-pressure oil passage, again collection signal is delivered to controller 11, after controller 11 processes as calculated, its target pressure value is exported to supercharging device 9, certain current value is exported thus modulating valve open area to proportional flow control valve 10, the fluid of corresponding discharge is made to enter into supercharging device 9.
In acceleration or loading procedure, the current value that controller 11 exports to proportional current valve 10 is non-vanishing; In deceleration or off-load process, controller 11 is zero to the current value that proportional flow control valve 10 exports, and still takes the modes such as traditional overflow or Displacement Regulation to regulate.
Claims (4)
1. the vehicle energy-saving device based on engineering machinery hydraulic drive system, it is characterized in that: motor, generator, supercharging device, battery, oil hydraulic pump, oil hydraulic motor, clutch, controller, the output shaft of motor is connected with oil hydraulic pump and drives oil hydraulic pump draw oil from fuel tank, the hydraulic oil drawn enters into oil hydraulic motor from working connection, oil hydraulic motor is with dynamic load to do work under the driving of hydraulic oil, load is connected with generator by clutch, generator connects battery, battery is connected supercharging device respectively with controller, oil hydraulic motor is communicated with supercharging device by the first branch road, proportion of installation Flow valve on the first leg, proportional flow control valve connection control device, working connection arranges three-way valve, three-way valve connects the second branch road, supercharging device is by the second branch road connecting tee valve, in the acceleration or loading procedure of vehicle, the section hydraulic oil in oil hydraulic motor enters supercharging device through the first branch road, and battery-operated supercharging device carries out supercharging to hydraulic oil, flows back to working connection after hydraulic oil supercharging through the second branch road.
2. a kind of vehicle energy-saving device based on engineering machinery hydraulic drive system according to claim 1, is characterized in that: the outlet port setting pressure sensor of oil hydraulic pump, and pressure transducer sends the pressure information collected to controller; Installation rate sensor on the output shaft of oil hydraulic motor, velocity transducer sends the rotary speed information collected to controller.
3. a kind of vehicle energy-saving device based on engineering machinery hydraulic drive system according to claim 2, it is characterized in that: after controller obtains pressure information and velocity information, target pressure value is exported to supercharging device, to proportional flow control valve output current value, thus the opening amount of control ratio Flow valve and enter into the hydraulic fluid flow rate of supercharging device.
4., according to the arbitrary described a kind of vehicle energy-saving device based on engineering machinery hydraulic drive system of claim 1-3, it is characterized in that: in vehicle deceleration or off-load process, controller is zero to the current value that proportional flow control valve exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697662.4A CN103629196B (en) | 2013-12-18 | 2013-12-18 | A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697662.4A CN103629196B (en) | 2013-12-18 | 2013-12-18 | A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103629196A CN103629196A (en) | 2014-03-12 |
| CN103629196B true CN103629196B (en) | 2015-09-30 |
Family
ID=50210567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310697662.4A Expired - Fee Related CN103629196B (en) | 2013-12-18 | 2013-12-18 | A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103629196B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020197304A (en) * | 2019-06-04 | 2020-12-10 | アルテミス インテリジェント パワー リミティドＡｒｔｅｍｉｓ Ｉｎｔｅｌｌｉｇｅｎｔ Ｐｏｗｅｒ Ｌｉｍｉｔｅｄ | Hydraulic machines and systems |
| CN110667375A (en) * | 2019-10-29 | 2020-01-10 | 倪天新 | Hydraulic transmission device for pure electric vehicle |
| CN114018115A (en) * | 2022-01-06 | 2022-02-08 | 北京北矿亿博科技有限责任公司 | Charging trolley power system, charging trolley and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136806A (en) * | 1998-11-04 | 2000-05-16 | Komatsu Ltd | Pressure oil energy recovery equipment and pressure oil energy recovery/regeneration equipment |
| CN101018915A (en) * | 2005-08-24 | 2007-08-15 | 新履带牵引车三菱有限公司 | Revolving driving device and working machine |
| CN101408213A (en) * | 2008-11-11 | 2009-04-15 | 浙江大学 | Energy recovery system of hybrid power engineering machinery energy accumulator-hydraulic motor |
| CN201296241Y (en) * | 2008-10-20 | 2009-08-26 | 南京工程学院 | Hydraulic energy braking and energy regeneration device for battery electric vehicle |
| CN102203352A (en) * | 2010-01-13 | 2011-09-28 | 川崎重工业株式会社 | Work machine drive control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6945039B2 (en) * | 2003-11-14 | 2005-09-20 | Caterpillar Inc. | Power system and work machine using same |
-
2013
- 2013-12-18 CN CN201310697662.4A patent/CN103629196B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136806A (en) * | 1998-11-04 | 2000-05-16 | Komatsu Ltd | Pressure oil energy recovery equipment and pressure oil energy recovery/regeneration equipment |
| CN101018915A (en) * | 2005-08-24 | 2007-08-15 | 新履带牵引车三菱有限公司 | Revolving driving device and working machine |
| CN201296241Y (en) * | 2008-10-20 | 2009-08-26 | 南京工程学院 | Hydraulic energy braking and energy regeneration device for battery electric vehicle |
| CN101408213A (en) * | 2008-11-11 | 2009-04-15 | 浙江大学 | Energy recovery system of hybrid power engineering machinery energy accumulator-hydraulic motor |
| CN102203352A (en) * | 2010-01-13 | 2011-09-28 | 川崎重工业株式会社 | Work machine drive control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103629196A (en) | 2014-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103148031B (en) | Energy-saving control system of hydraulic movable arm loop | |
| CN104879349B (en) | For energy regenerating and the hydraulic system for utilizing and engineering machinery vehicle | |
| CN102288417B (en) | Experimental device and method for testing performances of tandem type hydraulic hybrid power vehicle | |
| CN106274444A (en) | Engineering machinery series-parallel connection dynamical system | |
| CN201475067U (en) | Multi-pump combined control hydraulic power system based on servo motor control | |
| CN103629196B (en) | A kind of vehicle energy-saving device based on engineering machinery hydraulic drive system | |
| CN103775595A (en) | Regenerative braking stepless transmission for vehicles | |
| CN103924626A (en) | Energy-saving rotary table drive system and drive control method of electric drive hydraulic excavator | |
| CN104929992A (en) | Energy-saving design method for variable-load servo control system | |
| CN203834553U (en) | Energy-saving rotary table driving system for electrically-driven hydraulic excavator | |
| CN101691877A (en) | Servo motor control-based multi-pump combination controlled hydraulic power system | |
| CN104005445B (en) | The control method of excavator and excavator | |
| CN104290723A (en) | Automobile electric control hydraulic braking system and energy recycling method thereof | |
| CN103419630A (en) | Vehicular self-drive hydraulic control system with function of inertial energy accumulation | |
| CN109026867A (en) | The energy-saving hydraulic system of large-tonnage storage battery forktruck | |
| CN104494590A (en) | Air braking system of electric automobile | |
| CN205555764U (en) | A novel energy recuperation device for elevator | |
| CN102139626A (en) | Hybrid powder system for vehicle | |
| CN107010031A (en) | The characteristic parameter matching method of key componentses in a kind of load mechanism kinetic energy reclaiming system | |
| CN110481539A (en) | A kind of hybrid power system | |
| CN103047028A (en) | Multiengine engineering vehicle and control method thereof | |
| CN107643484B (en) | Frequency conversion type self priming pump electric efficiency test method | |
| CN204572599U (en) | A kind of hydraulic system of truck crane and truck crane | |
| CN201980215U (en) | Auxiliary braking control system for full-hydraulic walking machinery | |
| CN204250005U (en) | A kind of automobile electrically-controlled hydraulic brake system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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: 20150930 Termination date: 20211218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |