CN105416057B - A kind of bus mix-driving and energy-saving control system and method - Google Patents
A kind of bus mix-driving and energy-saving control system and method Download PDFInfo
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- CN105416057B CN105416057B CN201510859698.7A CN201510859698A CN105416057B CN 105416057 B CN105416057 B CN 105416057B CN 201510859698 A CN201510859698 A CN 201510859698A CN 105416057 B CN105416057 B CN 105416057B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Gearings (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of bus mix-driving and energy-saving control system and method, system includes power transmission shaft（1）, control oil pump（2）, pump/motor control assembly（3）, pressure duct（4）, safety valve（5）, proportional throttle valve（6）, accumulator（7）, controller（8）, service tank（9）；Further, pump/motor control assembly（3）By variable cylinder（3.1）, servo valve（3.2）And pump/motor（3.3）Composition.The present invention is realized the recycle and reuse of energy in bus braking procedure and controlled by jointly controlling for pump/motor control assembly and proportional throttle valve, is effectively improved the energy utilization efficiency of bus.
Description
Technical field
The invention belongs to automobile energy-saving control field, more particularly to a kind of bus mix-driving and energy-saving control system and side
Method.
Background technology
With increasingly sharpening for environment and energy problem, the vehicle population that the whole world rises year by year has been further exacerbated by vehicle
The energy-saving and emission-reduction pressure that industry faces.The product of energy-saving and environmental protection is just being researched and developed in countries in the world in emphasis, together in the competition in future
Take the good opportunity.
Due to urban road is narrow, density of stream of people is big, bus stop is waited carrying etc., city bus is in for a long time
Under the operating modes such as dynamic, acceleration, deceleration and parking.Therefore, speed is low, oil consumption is high, exhaust emission and noise are seriously city buses
Shared problem.Bus frequent start-stop, the unnecessary consumption of energy is necessarily caused, if the energy that brake can be consumed returns
Receive, discharge and recycle when vehicle start accelerates, can undoubtedly improve the capacity usage ratio of public transit vehicle.
To overcome the technological deficiency of bus energy charge, need badly and a kind of bus mix-driving and energy-saving control system is provided
And method.
The content of the invention
For above-mentioned prior art defect, key issue to be solved by this invention is to provide a kind of bus hybrid power
Energy-saving control system and method, for reclaiming and recycling the energy of the frequent brake loss of bus.
Goal of the invention is realized in order to solve above-mentioned technical problem, the present invention is to be achieved through the following technical solutions
's：
A kind of bus mix-driving and energy-saving control system, including power transmission shaft 1, control oil pump 2, pump/motor control assembly
3rd, pressure duct 4, safety valve 5, proportional throttle valve 6, accumulator 7, controller 8, service tank 9；Further, pump/motor controls
Component 3 is made up of variable cylinder 3.1, servo valve 3.2 and pump/motor 3.3.
Wherein：Control oil pump 2 is coaxially installed on power transmission shaft 1 with pump/motor 3.3；The inlet port of control oil pump 2 and auxiliary oil
Case 9 is connected, and the press oil port of control oil pump 2 is connected with the oiler of servo valve 3.2；The inlet port of pump/motor 3.3 is connected with service tank 9,
The press oil port of pump/motor 3.3 is connected by pressure duct 4 with the oiler of proportional throttle valve 6；The oil-out of proportional throttle valve 6 and accumulation of energy
Device 7 is connected；Safety valve 5 is connected across between pressure duct 4 and service tank 9, prevents pressure duct 4 from overloading；Controller output letter
Number it is connected respectively to servo valve 3.2 and proportional throttle valve 6.
Further, the oil return opening of servo valve 3.2 is connected with service tank 9, the load port of servo valve 3.2 first and variable cylinder 3.1
First load port is connected, and the load port of servo valve 3.2 second is connected with the load port of variable cylinder 3.1 second；The piston of variable cylinder 3.1 with
Pump/motor 3.3 is connected.
A kind of control method of described bus mix-driving and energy-saving control system, including herein below：
(1) energy regenerating controls：Controller 8 judges that the control of driver is intended to according to engine behavior monitoring
(accelerating, braking), when controller 8, which monitors engine, is in on-position, controller 8 outputs a control signal to servo valve
3.2, and then the pivot angle of pump/motor 3.3 is adjusted by variable cylinder 3.1 and servo valve 3.2, pump/motor control assembly 3 is in pump
Operating mode, and the rotating speed of pump/motor control assembly 3 is controlled；In addition, controller 8 outputs a control signal to proportional throttle valve 6,
And then realize the control of the torque of pump/motor control assembly 3.Further, controller 8 passes through pump/motor control assembly 3 and ratio section
Stream valve 6 jointly controls the double control for realizing the rotating speed of pump/motor control assembly 3 and torque, finally realizes the rotating speed of power transmission shaft 1
With the control of torque, now, power transmission shaft 1 is used as power input shaft, and transfer tube/motor control component 3 rotates, bus is braked
The energy passing ratio choke valve 6 of loss, which is stored in accumulator 7, is changed into hydraulic energy, completes the Brake energy recovery control of bus
System.
(2) energy recycles control：Controller 8 judges that the control of driver is intended to according to engine behavior monitoring
(accelerating, braking), when controller 8, which monitors engine, is in acceleration mode, controller 8 outputs a control signal to servo valve
3.2, and then the pivot angle of pump/motor 3.3 is adjusted by variable cylinder 3.1 and servo valve 3.2, pump/motor control assembly 3 is in horse
It is controlled up to operating mode, and to the rotating speed of pump/motor control assembly 3；In addition, controller 8 outputs a control signal to proportional throttle valve
6, and then realize the control of the torque of pump/motor control assembly 3.Further, controller 8 passes through pump/motor control assembly 3 and ratio
Choke valve 6 jointly controls the double control for realizing the rotating speed of pump/motor control assembly 3 and torque, finally realizes 1 turn of power transmission shaft
Speed and the control of torque, now, the passing ratio choke valve 6 of accumulator 7 discharges the hydraulic energy of storage, pump/motor control
Component 3 is in motor operating conditions, and driving power transmission shaft 1 exports power, and the braking energy for completing bus recycles control.
Due to being had the advantages that compared with prior art using above-mentioned technical proposal, the present invention：
1) present invention is compact-sized, and manufacturing cost is low, is easily installed implementation, realizes energy in bus braking procedure
Recycle and reuse controls, and is effectively improved the energy utilization efficiency of bus；
2) present invention has two control variables of pump/motor control assembly and proportional throttle valve, has stronger flexibility.
Brief description of the drawings
Fig. 1 represents the mechanical erection layout drawing of the present invention
Fig. 2 represents the hydraulic principle and hardware configuration system figure of the present invention；
Fig. 3 represents the workflow diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
It is the mechanical erection layout drawing of the present invention shown in Fig. 1.Engine 10 passes through the driving moment 13 of speed changer 12, power transmission shaft
1 is connected between engine 10 and speed changer 12 by gear shift 11.
A kind of bus mix-driving and energy-saving control method, realize the hydraulic system and hardware configuration such as figure of the control method
Shown in 2, its hardware configuration includes power transmission shaft 1, control oil pump 2, pump/motor control assembly 3, pressure duct 4, safety valve 5, ratio
Choke valve 6, accumulator 7, controller 8, service tank 9；Further, pump/motor control assembly 3 is by variable cylinder 3.1, servo valve
3.2 and pump/motor 3.3 form；
Wherein：Control oil pump 2 is coaxially installed on power transmission shaft 1 with pump/motor 3.3；The inlet port of control oil pump 2 and auxiliary oil
Case 9 is connected, and the press oil port of control oil pump 2 is connected with the oiler of servo valve 3.2；The inlet port of pump/motor 3.3 is connected with service tank 9,
The press oil port of pump/motor 3.3 is connected by pressure duct 4 with the oiler of proportional throttle valve 6；The oil-out of proportional throttle valve 6 and accumulation of energy
Device 7 is connected；Safety valve 5 is connected across between pressure duct 4 and service tank 9, prevents pressure duct 4 from overloading；Controller output letter
Number it is connected respectively to servo valve 3.2 and proportional throttle valve 6.
Further, the oil return opening of servo valve 3.2 is connected with service tank 9, the load port of servo valve 3.2 first and variable cylinder 3.1
First load port is connected, and the load port of servo valve 3.2 second is connected with the load port of variable cylinder 3.1 second；The piston of variable cylinder 3.1 with
Pump/motor 3.3 is connected.
It is the workflow diagram of the present invention shown in Fig. 3.
First, controller 8 is intended to and (accelerated, braking) to judge the control of driver according to engine behavior monitoring,
When controller 8, which monitors engine, is in on-position, controller 8 outputs a control signal to servo valve 3.2, and then passes through change
Cylinder 3.1 and servo valve 3.2 are measured to adjust the pivot angle of pump/motor 3.3, pump/motor control assembly 3 is in pump condition, and to pump/horse
It is controlled up to the rotating speed of control assembly 3；In addition, controller 8 outputs a control signal to proportional throttle valve 6, and then realize pump/motor
The control of the torque of control assembly 3.Further, the jointly controlling by pump/motor control assembly 3 and proportional throttle valve 6 of controller 8
The rotating speed of pump/motor control assembly 3 and the double control of torque are realized, finally realizes the control of the rotating speed of power transmission shaft 1 and torque, this
When, power transmission shaft 1 is used as power input shaft, and transfer tube/motor control component 3 rotates, the energy of bus brake loss is passed through
Proportional throttle valve 6, which is stored in accumulator 7, is changed into hydraulic energy, completes the Brake energy recovery control of bus.
Further, when controller 8, which monitors engine, is in acceleration mode, controller 8 outputs a control signal to servo
Valve 3.2, and then the pivot angle of pump/motor 3.3 is adjusted by variable cylinder 3.1 and servo valve 3.2, it is in pump/motor control assembly 3
Motor operating conditions, and the rotating speed of pump/motor control assembly 3 is controlled；In addition, controller 8 outputs a control signal to ratio throttling
Valve 6, and then realize the control of the torque of pump/motor control assembly 3.Further, controller 8 passes through pump/motor control assembly 3 and ratio
Example choke valve 6 jointly controls the double control for realizing the rotating speed of pump/motor control assembly 3 and torque, finally realizes power transmission shaft 1
Rotating speed and the control of torque, now, the passing ratio choke valve 6 of accumulator 7 discharge the hydraulic energy of storage, pump/motor control
Component 3 processed is in motor operating conditions, and driving power transmission shaft 1 exports power, and the braking energy for completing bus recycles control.
Protection scope of the present invention is defined by the claims.Those skilled in the art can be in essence of the invention and guarantor
In the range of shield, various modifications or equivalent substitution are made to the present invention, this modification or equivalent substitution also should be regarded as in the present invention
Protection domain in.
Claims (2)
- A kind of 1. bus mix-driving and energy-saving control system, it is characterised in that：It include power transmission shaft (1), control oil pump (2), It is pump/motor control assembly (3), pressure duct (4), safety valve (5), proportional throttle valve (6), accumulator (7), controller (8), auxiliary Help fuel tank (9)；Further, pump/motor control assembly (3) is by variable cylinder (3.1), servo valve (3.2) and pump/motor (3.3) group Into；Wherein：Control oil pump (2) is coaxially installed on power transmission shaft (1) with pump/motor (3.3)；Control oil pump (2) inlet port with it is auxiliary Fuel tank (9) is helped to be connected, control oil pump (2) press oil port is connected with servo valve (3.2) oiler；Pump/motor (3.3) inlet port with it is auxiliary Fuel tank (9) is helped to be connected, pump/motor (3.3) press oil port is connected by pressure duct (4) with proportional throttle valve (6) oiler；Ratio Choke valve (6) oil-out is connected with accumulator (7)；Safety valve (5) is connected across between pressure duct (4) and service tank (9), is prevented Only pressure duct (4) overloads；Controller output signal is connected respectively to servo valve (3.2) and proportional throttle valve (6)；Further, servo valve (3.2) oil return opening is connected with service tank (9), the load port of servo valve (3.2) first and variable cylinder (3.1) first load ports are connected, and the load port of servo valve (3.2) second is connected with the load port of variable cylinder (3.1) second；Variable cylinder (3.1) piston is connected with pump/motor (3.3).
- 2. a kind of control method of bus mix-driving and energy-saving control system according to claim 1, it is characterised in that should Method includes herein below：First, controller (8) is monitored according to engine behavior to judge that the control of driver is intended to, when controller (8) is supervised When controlling engine and being in on-position, controller (8) outputs a control signal to servo valve (3.2), and then passes through variable cylinder (3.1) and servo valve (3.2) adjusts pump/motor (3.3) pivot angle, pump/motor control assembly (3) is in pump condition, and right Pump/motor control assembly (3) rotating speed is controlled；In addition, controller (8) outputs a control signal to proportional throttle valve (6), and then Realize the control of pump/motor control assembly (3) torque；Further, controller (8) passes through pump/motor control assembly (3) and ratio Choke valve (6) jointly controls the double control for realizing pump/motor control assembly (3) rotating speed and torque, final to realize transmission Axle (1) rotating speed and the control of torque, now, power transmission shaft (1) are used as power input shaft, transfer tube/motor control component (3) rotation Turn, energy passing ratio choke valve (6) storage of bus brake loss is changed into hydraulic energy into accumulator (7), completed public Hand over the Brake energy recovery control of car；Further, when controller (8), which monitors engine, is in acceleration mode, controller (8) outputs a control signal to servo Valve (3.2), and then pump/motor (3.3) pivot angle is adjusted by variable cylinder (3.1) and servo valve (3.2), make pump/motor control Component (3) is in motor operating conditions, and pump/motor control assembly (3) rotating speed is controlled；In addition, controller (8) output control Signal realizes the control of pump/motor control assembly (3) torque to proportional throttle valve (6)；Further, controller (8) passes through Pump/motor control assembly (3) and jointly controlling for proportional throttle valve (6) realize pump/motor control assembly (3) rotating speed and torque Double control, finally realize the control of power transmission shaft (1) rotating speed and torque, now, accumulator (7) passing ratio choke valve (6) The hydraulic energy of storage is discharged, pump/motor control assembly (3) is in motor operating conditions, and driving power transmission shaft (1) exports power, The braking energy for completing bus recycles control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859698.7A CN105416057B (en) | 2015-12-02 | 2015-12-02 | A kind of bus mix-driving and energy-saving control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859698.7A CN105416057B (en) | 2015-12-02 | 2015-12-02 | A kind of bus mix-driving and energy-saving control system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105416057A CN105416057A (en) | 2016-03-23 |
| CN105416057B true CN105416057B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510859698.7A Active CN105416057B (en) | 2015-12-02 | 2015-12-02 | A kind of bus mix-driving and energy-saving control system and method |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100535454C (en) * | 2007-06-25 | 2009-09-02 | 哈尔滨工业大学 | Energy-store state-liquid driving device of secondary flow-regulation coupling hydraulic energy accumulator |
| DE102007046696A1 (en) * | 2007-09-28 | 2009-04-09 | Liebherr-Werk Nenzing Gmbh | Hydraulic drive system |
| CN201857238U (en) * | 2010-11-08 | 2011-06-08 | 中信重工机械股份有限公司 | Constant deceleration safety braking system for mine hoist |
| CN103790875B (en) * | 2014-02-28 | 2015-09-30 | 吉林大学 | A kind of Hydraulic Power Transmission System allowing energy regenerating |
| CN104595292A (en) * | 2015-02-05 | 2015-05-06 | 长安大学 | Rotary drilling rig main winch system based on energy recovery of energy accumulator |
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