CN101332774A - Automobile brake energy regeneration control device and system - Google Patents
Automobile brake energy regeneration control device and system Download PDFInfo
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- CN101332774A CN101332774A CNA2008101389007A CN200810138900A CN101332774A CN 101332774 A CN101332774 A CN 101332774A CN A2008101389007 A CNA2008101389007 A CN A2008101389007A CN 200810138900 A CN200810138900 A CN 200810138900A CN 101332774 A CN101332774 A CN 101332774A
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Abstract
The invention provides a vehicle brake energy regeneration control method and system; the system comprises a hydraulic energy accumulator, a variable pump/motor, an electromagnetic clutch, a brake pedal switch, an acceleration pedal switch, a gear switch, a road slope sensor, a speed sensor, a pressure sensor of the energy accumulator, a hydraulic control unit and an electric control unit; the system automatically identifies the acceleration or brake intention of a driver, automatically detects the running state of the vehicle and the road slope situation, calculates the control current I1 of the proportional electric magnet of the variable pump/motor on different downgrade road slopes or horizontal roads and at different speeds by adopting the formula (I), calculates the control current I2 of the proportional electric magnet of the variable pump/motor on different upgrade road slopes or horizontal roads and at different speeds by adopting the formula (II) and carries out brake energy releasing circulation control, so as to control the running stability of the vehicle and improve the recovery rate as well as the regeneration rate of the brake energy.
Description
Technical field
The present invention relates to a kind of automobile brake energy method for controlling reproduction and system, belong to the automobile energy-saving technology field.
Background technology
Automobile advances when travelling in descending road or horizontal road, need brake automobile if the speed of a motor vehicle is too high or the gradient is excessive, and advance when travelling in upward slope road or horizontal road, needs to put one's foot down to increase the power output of driving engine.In descending road or horizontal road are advanced the braking procedure that travels, the kinetic energy of automobile and the potential energy all friction force by drg and tire and ground-surface friction force are converted into heat energy and slattern, drg and Tyte Wear have been increased simultaneously, reduced its service life, and in upward slope road or horizontal road are advanced the accelerator of travelling, need to increase the load of driving engine, thereby can increase vehicle fuel consume and exhaust emission again.
Along with continually strengthening of the in short supply of the energy and automobile environment-protection rules, the regeneration techniques of automobile brake energy has become the research focus of countries in the world.The automobile brake energy regeneration system can be divided into hydraulic accumulation energy mode, flywheel energy storage mode and electric energy storage mode according to different energy storage modes, wherein electric energy storage mode brake energy regeneration system is particularly suitable for hybrid vehicle and electronlmobil, and hydraulic accumulation energy mode and flywheel energy storage mode brake energy regeneration system are particularly suitable for general automobile.
In present existing hydraulic accumulation energy type automobile brake energy regeneration system and method, still do not carry out the method and system that braking energy reclaims the hydraulic accumulation energy type automobile brake energy regeneration of cycle control and the control of braking energy release cycle according to the road upper and lower ramp gradient and the speed of a motor vehicle, thus can not satisfy automobile in the upper and lower ramp of the different roads gradient, carry out braking energy when the different speed of a motor vehicle is travelled and reclaim the requirement that control and braking energy discharge control.
Summary of the invention
The purpose of this invention is to provide a kind ofly can overcome above-mentioned defective, identification of driver quickens or the braking intention, measures automobile the advance upper and lower gradient of road, the speed of a motor vehicle when travelling automatically automatically, and carry out braking energy and reclaim automobile brake energy method for controlling reproduction and the system that cycle control, the control of braking energy release cycle and braking energy store control.Its technical scheme is:
A kind of automobile brake energy method for controlling reproduction, described automobile is equipped with hydraulic accumulator, variable pump/motor, magnetic clutch, it is characterized in that said method comprising the steps of:
The signal of step 4, detection road grade sensor is measured the upper and lower gradient i of road
On, i
Down
Whether step 7, judgement measure speed of a motor vehicle v greater than the minimum speed of a motor vehicle threshold values v that sets
01
Whether step 11, judgement measure speed of a motor vehicle v greater than the maximum speed threshold values v that sets
02
The signal of step 12, detection energy storage pressure sensor is measured energy storage pressure p;
A kind of automobile brake energy method for controlling reproduction is characterized in that: the upper and lower gradient i of the mensuration speed of a motor vehicle v of step 2, the mensuration road of step 4
On, i
DownMeasuring energy storage pressure p with 12 of step all is cycle control period T
0Center line average values, the cycle control period T
0Be the set time value that system is provided with, the cycle control period T
0=30～100ms.
A kind of automobile brake energy method for controlling reproduction is characterized in that: carry out the computing formula that braking energy reclaims cycle control in step 7
In, I
1The control current (mA) of the proportion electro-magnet of expression variable pump/motor, β
1Represent the coefficient relevant with the driving device transmitting ratio with controllable capacity pump/motor configuration parameter, m represents the total mass (kg) of automobile, and g represents acceleration due to gravity (m/s
2), i
DownExpression downward grades measured value (%), a
1The automobile negative acceleration value of setting during the expression energy recovery, f represents tire drag coefficient, C
DThe expression aerodynamic drag factor, A automobile wind area (m
2), v represents to measure the speed of a motor vehicle (km/h);
A kind of automobile brake energy method for controlling reproduction is characterized in that: the braking energy release cycle of carrying out in step 12 is controlled computing formula
In, I
2The control current (mA) of the proportion electro-magnet of expression variable pump/motor, β
2Represent the coefficient relevant with the driving device transmitting ratio with controllable capacity pump/motor configuration parameter, m represents the total mass (kg) of automobile, and g represents acceleration due to gravity (m/s
2), i
OnExpression uphill gradient measured value (%), f represents tire drag coefficient, a
2The pickup value of setting when the expression braking energy discharges, C
DThe expression aerodynamic drag factor, A automobile wind area (m
2), v represents to measure the speed of a motor vehicle (km/h);
A kind of control system that realizes the automobile brake energy method for controlling reproduction comprises hydraulic accumulator, variable pump/motor, magnetic clutch, it is characterized in that described system also comprises:
The brake pedal switch is used to detect chaufeur and whether depresses brake pedal;
Whether to put one's foot down the acceleration pedal switch is used to detect chaufeur;
Driving switch is used to detect automobile and whether is in backing car gear;
The road grade sensor is used to measure the gradient on the upper and lower slope of road, is installed on the automobile chassis frame, or is integrated in ECU (Electrical Control Unit) inside;
Car speed sensor is used to measure the speed of a motor vehicle;
The energy storage pressure sensor is used to measure the hydraulic pressure of energy storage;
Hydraulic control unit, comprise solenoid directional control valve, first check valve, electro-hydraulic reversing valve, second check valve, the 3rd check valve, by pass valve, wherein electro-hydraulic reversing valve adopts external control 34 energisings of the formula liquid change-over valve that leaks, its A hydraulic fluid port connects the oil inlet of solenoid directional control valve and the oil inlet of hydraulic energy storage device, the B hydraulic fluid port connects the oil outlet of by pass valve simultaneously, the K2 hydraulic fluid port and the sealed reservoir of electro-hydraulic reversing valve, its P hydraulic fluid port connects the oil outlet of second check valve, its T hydraulic fluid port connects the oil inlet of variable pump/motor and the oil outlet of the 3rd check valve, its K1 hydraulic fluid port connects the oil outlet of first check valve and the oil outlet of solenoid directional control valve, the oil inlet of first check valve connects the oil outlet of variable pump/motor simultaneously, the oil inlet of second check valve and the oil inlet of by pass valve, the oil inlet of the 3rd check valve connects the oil outlet of oil filter, and the oil inlet of oil filter connects sealed reservoir;
ECU (Electrical Control Unit), adopt micro controller system, its input end connects the brake pedal switch, the acceleration pedal switch, the road grade sensor, driving switch, car speed sensor and energy storage pressure sensor, and then judge whether automobile advances and travel, the acceleration of chaufeur or braking intention and the automobile road grade when travelling of advancing, the speed of a motor vehicle and energy storage pressure, its mouth connects the solenoid directional control valve of hydraulic control unit and first magnet coil and second magnet coil of electro-hydraulic reversing valve, the proportion electro-magnet of variable pump/motor and magnetic clutch are used to carry out the Recovering Waste Energy of Braking in Automobiles cycle control, control of braking energy release cycle and braking energy storage control.
The present invention compared with prior art has following advantage:
(1) by detecting the signal of car acceleration pedal switch, brake pedal switch and driving switch, car speed sensor, road grade sensor, system's identification of driver automatically quickens or brakes to be intended to, to measure automatically motoring condition and condition of road surface.
(2) quicken or brake intention, motoring condition and condition of road surface according to chaufeur, system can realize that the cycle control of braking energy regenerative power, the cycle control of braking energy delivered power and the braking energy of the different upper and lower ramp road gradient, horizontal road, the different speed of a motor vehicle store control, make running car steady, help improving the braking energy percent recovery and regeneration rate, reduce vehicle fuel consume and exhaust emission.
(3) native system can not interfere with the original brake system of automobile carrying out braking energy when reclaiming control, and the original brake system independent operating of automobile is guaranteed the braking safety of automobile.
Description of drawings
Fig. 1 is the system architecture scheme drawing of the embodiment of the invention;
Fig. 2 is a control method diagram of circuit embodiment illustrated in fig. 1;
Fig. 3 embodiment illustrated in fig. 1ly reclaims proportion electro-magnet control current I in the cycle control process carrying out braking energy
1Graphics;
Fig. 4 be embodiment illustrated in fig. 1 in carrying out braking energy release cycle control process proportion electro-magnet control current I
2Graphics.
Among Fig. 1: 1, brake pedal switch 2, acceleration pedal switch 3, driving engine 4, power-transfer clutch 5, change-speed box 6, driving switch 7, power takeoff 8, car speed sensor 9, the near front wheel 10, off front wheel 11, road grade sensor 12, universal driving device 13, magnetic clutch 14, variable pump/motor 141, proportion electro-magnet 15, ECU (Electrical Control Unit) 16, hydraulic control unit 161, solenoid directional control valve 162, first check valve 163, electro-hydraulic reversing valve 164, first magnet coil 165, second magnet coil 166, second check valve 167, the 3rd check valve 168, by pass valve 17, hydraulic accumulator 18, energy storage pressure sensor 19, transmission shaft 20, sealed reservoir 21, left rear wheel 22, main reduction gear 23, off hind wheel 24, oil filter
The specific embodiment
Among the embodiment shown in Fig. 1-2: automobile adopts the city bus of the HFC6701K3Y chassis refit of Company Limited by Shares of JAC production, the total mass of automobile (wherein comprising energy recycle device) m=8600kg, gravity acceleration g=10m/s
2, tire drag coefficient f=0.015, aerodynamic drag factor C
D=0.65, automobile wind area A=5.8m
2The variable pump/motor 14 that adopts is the variable-dis-placement motor of the automatically controlled rate variable mode of A6V160EP22FS146 type, this variable-dis-placement motor is again as controllable capacity pump usefulness in the closed fhdraulic system that adopts sealed reservoir 20, and its proportion electro-magnet 141 adopts the control current of 24V, 300～630mA to carry out quantitative control.
ECU (Electrical Control Unit) 15 adopts micro controller system, its input end connects brake pedal switch 1, acceleration pedal switch 2, road grade sensor 11, driving switch 6, car speed sensor 8, energy storage pressure sensor 18, and then judge whether automobile advances and travel, the acceleration of chaufeur or braking intention and the automobile road grade when travelling of advancing, the speed of a motor vehicle and energy storage pressure, its mouth connects the solenoid directional control valve 161 of hydraulic control unit 16, first magnet coil 164 of electro-hydraulic reversing valve 163 and second magnet coil 165, the proportion electro-magnet 141 of variable pump/motor 14 and magnetic clutch 13 are used to carry out braking energy and reclaim cycle control, control of braking energy release cycle and mass-energy storage control.
The method that system carries out the judgement of motoring condition is: ECU (Electrical Control Unit) 15 at first detects the incoming signal and car speed sensor 8 signals of driving switch 6, if the measured value that is not in backing car gear and car speed sensor 8 of driving switch 6 is greater than 0, judge promptly that automobile advances and travel, otherwise, if driving switch 6 not at backing car gear and the measured value of car speed sensor 8 equals 0, or the backing car gear that is in of driving switch 6 judges that all automobile is that non-advancing travelled.
The method that system carries out chaufeur braking or quickens intention identification is: advance when travelling at automobile, ECU (Electrical Control Unit) 15 detects the incoming signal of brake pedal switch 1, acceleration pedal switch 2 more successively, judge whether to require to carry out automobile brake or acceleration, when brake pedal switch 1 closure, be judged as and require to carry out the braking energy recovery to realize the automobile brake deceleration, when acceleration pedal switch 2 closures, be judged as and require to carry out braking energy release to realize that car acceleration travel.The cycle control period T of default in the present embodiment
0=50ms; Minimum speed of a motor vehicle threshold values v when setting braking energy recovery cycle control
01=5km/h, car deceleration degree value a
1=1.9m/s
2, determine the factor beta relevant with the driving device transmitting ratio with controllable capacity pump/motor configuration parameter
1=0.024; Maximum speed threshold values v when setting the control of braking energy release cycle
02=50km/h sets minimum hold-off pressure threshold values p
0=14MPa sets pickup value a
2=1.1m/s
2, determine the factor beta relevant with the driving device transmitting ratio with controllable capacity pump/motor configuration parameter
2=0.028.Its braking energy regeneration control method flow process is:
In step S100, detect driving switch 6 signals, automobile is in non-reverse travel state when the reverse gear switch of driving switch disconnects, and automobile is in the reverse travel state when the reverse gear switch of driving switch is closed;
In step S101, inspection vehicle speed sensors 8 signals are measured speed of a motor vehicle v, and measuring speed of a motor vehicle v is the cycle control period T
0The center line average values of=50ms;
In step S102, judge whether automobile advances to travel: when the reverse gear switch of driving switch 6 disconnects and measures speed of a motor vehicle v＞0, be judged as automobile and advance and travel, otherwise, be judged as non-the advancing of automobile and travel;
In step S103, detect the signal of road grade sensor 11, measure the upper and lower gradient i of road
On, i
Down
In step S104, detect brake pedal switch 1 signal, as long as brake pedal depresses slightly, the brake pedal switch is promptly closed;
In step S200, judge whether brake pedal is depressed: when brake pedal switch 1 closure, be judged as brake pedal and depressed, otherwise, be judged as brake pedal and do not depressed;
In step S201, judge and whether measure speed of a motor vehicle v greater than the minimum speed of a motor vehicle threshold values v that sets
01, whether promptly judge to measure speed of a motor vehicle v greater than 5km/h, when v＞5km/h carries out step S202, otherwise, when v≤5km/h jumps back to step S100;
In step S202, to carry out braking energy and reclaim cycle control, its control method is:
According to each setting value of said system, according to measuring road grade i
Down, measure the control current I that speed of a motor vehicle v calculates the proportion electro-magnet 141 of variable pump/motor 14
1Computing formula be:
According to the downward grades i that measures
DownValue, the speed of a motor vehicle v value of measuring adopt computing formula I
1=0.024 (86000i
Down+ 15050-0.18v
2) calculate variable pump/motor proportion electro-magnet control current I
1(mA), and in first cycle control period T
0During this time to variable pump/motor 14 proportion electro-magnets 141 output control current value I
1Carry out first cycle control cycle braking energy and reclaim control, the S100 of rebound step then passes through step S101, S102, S103, S104, S200, S201, S202 successively, carry out the judgement and the mensuration in the 2nd Control Circulation cycle, calculate the 2nd cycle control period T
0The control current I of proportion electro-magnet 141
1Value is carried out second cycle control cycle braking energy and is reclaimed control, and circulation is and so forth reclaimed the cycle control process up to braking energy and finished;
According to computing formula I
1=0.024 (86000i
Down+ 15050-0.18v
2) calculating I
1During value, if excessive normal range or the too high I that calculates of the speed of a motor vehicle of exceeding of road grade
1When value exceeds 630mA, control by the control current of 630mA;
Advance when travelling or the horizontal road braking energy that carries out that travels that advances reclaims in the cycle control process at the descending road, ECU (Electrical Control Unit) 15 is removed the proportion electro-magnet 141 output control current I to variable pump/motor 14
1Outside the discharge capacity that changes variable pump/motor 14, ECU (Electrical Control Unit) 15 is also controlled magnetic clutch 13 energisings and 164 energisings of first magnet coil simultaneously, makes magnetic clutch 13 combinations, also makes electro-hydraulic reversing valve 163 be in left position simultaneously.The kinetic energy of automobile or descending potential energy drive left rear wheel 21 and off hind wheel 23 rotates, the propulsive effort of left rear wheel 21 and off hind wheel 23 is through main reduction gear 22, transmission shaft 19, change-speed box 5, power takeoff 7, universal driving device 12, magnetic clutch 13, driving variable pump/motor 14 works in the Hydraulic Pump mode, the oil inlet of variable pump/motor 14 is through the 3rd check valve 167, oil filter 24 is connected with sealed reservoir 20 and carries out fuel feeding, the high pressure oil that variable pump/motor 14 pumps provides the priority valve oil pressure through oil outlet one tunnel through the K1 hydraulic fluid port that first check valve 162 enters electro-hydraulic reversing valve 163, make electro-hydraulic reversing valve 163 be in left position, another road is through second check valve 166, the P hydraulic fluid port of electro-hydraulic reversing valve 163, the A hydraulic fluid port enters hydraulic accumulator 17, braking energy is stored in the hydraulic accumulator 17, second check valve 166 guarantees that in the energy recovery process variable pump/motor 14 can be by the high pressure oil reverse drive of hydraulic accumulator 17.
In step S203, detect acceleration pedal switch 2 signals, as long as acceleration pedal depresses slightly, the acceleration pedal switch is promptly closed;
In step S300, judge whether acceleration pedal is depressed: when acceleration pedal switch 2 closures, be judged as brake pedal and depressed, do not depressed otherwise be judged as acceleration pedal;
In step S301, judge and whether measure speed of a motor vehicle v smaller or equal to the maximum speed threshold values v that sets
02, whether promptly judge to measure speed of a motor vehicle v smaller or equal to 50km/h, when v≤50km/h carries out step S302, otherwise jump back to step S100;
In step S302, detect the signal of energy storage pressure sensor 18, measure energy storage pressure p, energy storage pressure p is the cycle control period T
0Center line average values;
In step S303, judge that whether energy storage pressure p is greater than minimum hold-off pressure threshold value p
0, whether promptly judge to measure energy storage pressure p greater than 14MPa, promptly when p＞14MPa, carry out step S304 downwards and carry out the braking energy release cycle and control, when p≤14MPa, the rapid S100 of rebound;
In step S304, carry out the control of braking energy release cycle, its control method is:
According to each setting value of said system, according to the road grade i that measures
On, the speed of a motor vehicle v that measures calculates the control current I of the proportion electro-magnet 141 of variable pump/motor 14
2Computing formula be:
According to uphill gradient i
OnMeasured value, speed of a motor vehicle v measured value are used formula I
2=0.0028 (86000i
On+ 10750+0.18v
2) calculate the control current I of variable pump/motor 14 proportion electro-magnets 141
2(mA), and in first cycle control period T
0During this time to variable pump/motor 14 proportion electro-magnets 141 output control current value I
2Carry out first cycle control cycle braking energy and reclaim control, the S100 of rebound step then, pass through step S100, S101, S102, S103, S104, S200, S203, S300, S301, S302, S303, S304 according to this, carry out second cycle control cycle braking energy and discharge control, circulation finishes up to braking energy release cycle control process and so forth.
According to computing formula I
2=0.0028 (86000i
On+ 10750+0.18v
2) calculating I
2During value, if excessive normal range or the too high I that calculates of the speed of a motor vehicle of exceeding of road grade
2When value exceeds 630mA, control by the control current of 630mA;
Advance at the upward slope road and to travel or horizontal road the carrying out in the braking energy release cycle control process when travelling that advance, ECU (Electrical Control Unit) 15 is except that to the discharge capacity of proportion electro-magnet 141 output control current with change variable pump/motor 14 of variable pump/motor 14, ECU (Electrical Control Unit) 15 is also controlled magnetic clutch 13 energisings simultaneously, 165 energisings of second magnet coil, solenoid directional control valve 161 energisings, make magnetic clutch 13 combinations, and make the high pressure oil one tunnel of hydraulic accumulator 17 make electro-hydraulic reversing valve 163 be in right end position through the K1 hydraulic fluid port that solenoid directional control valve 161 enters electro-hydraulic reversing valve 163, another road of the high pressure oil of hydraulic accumulator 17 is through the A of electro-hydraulic reversing valve 163 hydraulic fluid port, the oil inlet of T hydraulic fluid port entering variable pump/motor 15, high-voltage oil liquid drives variable pump/motor 14 and turns round in the HM Hydraulic Motor mode, the oil outlet of variable pump/motor 14 is through check valve 166, the P hydraulic fluid port of electro-hydraulic reversing valve 163, the B hydraulic fluid port flows back to sealed reservoir, and the drive torque that variable pump/motor 15 produces is through magnetic clutch 13, universal driving device 12, power takeoff 7, change-speed box 5, turning cylinder 19, main reduction gear 22, left rear wheel 21 and off hind wheel 23 drive running car.
In step S400, carry out braking energy and store control: judge that through step S102 automobile is in non-advancing during motoring condition, directly carry out this step braking energy and store control, or judge that through step S200, step 300 automobile does not only depress brake pedal but also do not carry out this step braking energy storage control to put one's foot down yet.
In carrying out the braking energy storage control process, 13 outages of ECU (Electrical Control Unit) 15 control magnetic clutchs, 164 outages of first magnet coil, 165 outages of second magnet coil, solenoid directional control valve 161 outages, magnetic clutch 13 separation, variable pump/motor 15 are not worked, electro-hydraulic reversing valve 163 mediates, the pressure of hydraulic accumulator 17 remains unchanged, and braking energy is stored in the hydraulic accumulator 17.
Control current I at Fig. 3
1In the graphics, downward grades i
DownBe 0～12%, speed of a motor vehicle v is 5～80km/h.
Control current I at Fig. 4
2In the graphics, uphill gradient i
OnBe 0～12%, speed of a motor vehicle v is 0～50km/h.
Claims (3)
1, a kind of automobile brake energy method for controlling reproduction, described automobile is equipped with hydraulic accumulator (17), variable pump/motor (14), magnetic clutch (13), it is characterized in that may further comprise the steps:
Step 1, detection driving switch (6) signal;
Step 2, inspection vehicle speed sensors (8) signal are measured speed of a motor vehicle v;
Step 3, judge whether automobile advances and travel: when the reverse gear switch of driving switch (6) disconnects and measures speed of a motor vehicle v＞0, be judged as automobile and advance and travel, travel otherwise be judged as non-the advancing of automobile;
The signal of step 4, detection road grade sensor (11) is measured the upper and lower gradient i of road
On, i
Down
Step 5, detection brake pedal switch (1) signal;
Step 6, judge whether brake pedal is depressed: when brake pedal switch (1) is closed, is judged as brake pedal and is depressed, otherwise, be judged as brake pedal and do not depressed;
Whether step 7, judgement measure speed of a motor vehicle v greater than the minimum speed of a motor vehicle threshold values v that sets
01
Step 8, carry out braking energy and reclaim cycle control: as v＞v
01The time, adopt computing formula
Calculate the travel control current I of proportion electro-magnet (141) of variations per hour pump/motor (14) of different road grades or horizontal road, the different speed of a motor vehicle
1, carry out descending road or horizontal road braking energy and reclaim cycle control, in the computing formula, β
1Represent the coefficient relevant with the driving device transmitting ratio with variable pump/motor (14) construction parameter, m represents the total mass of automobile, and g represents acceleration due to gravity, i
DownExpression downward grades measured value, a
1The car deceleration degree value of setting when the expression braking energy reclaims, f represents tire drag coefficient, C
DThe expression aerodynamic drag factor, A represents the automobile wind area, v represents to measure the speed of a motor vehicle;
Step 9, detection acceleration pedal switch (2) signal;
Step 10, judge whether acceleration pedal is depressed: when acceleration pedal switch (2) is closed, be judged as brake pedal and depressed, otherwise, be judged as acceleration pedal and do not depressed;
Whether step 11, judgement measure speed of a motor vehicle v greater than the maximum speed threshold values v that sets
02
The signal of step 12, detection energy storage pressure sensor (18) is measured energy storage pressure p;
Step 13, judge that whether energy storage pressure p is greater than minimum hold-off pressure threshold value p
0
Step 14, carry out braking energy release cycle control: as v≤v
02And p＞p
0The time, adopt computing formula
Calculate the travel control current of proportion electro-magnet (141) of variations per hour pump/motor (14) of different road grades or horizontal road, the different speed of a motor vehicle, road or the horizontal road braking energy release cycle of going up a slope control, in the computing formula, β
2Represent the coefficient relevant with the driving device transmitting ratio with variable pump/motor (14) construction parameter, m represents the total mass of automobile, and g represents acceleration due to gravity, i
OnExpression uphill gradient measured value, a
2The pickup value of setting when the expression braking energy discharges, f represents tire drag coefficient, C
DThe expression aerodynamic drag factor, A automobile wind area, v represents to measure the speed of a motor vehicle;
Step 15, carry out braking energy and store control.
2, automobile brake energy method for controlling reproduction as claimed in claim 1 is characterized in that: the upper and lower sloping gradient i of mensuration road of the mensuration speed of a motor vehicle v of step 2, step 4
On, i
DownWith the mensuration energy storage pressure p of step 12, all are cycle control period T
0Center line average values, the cycle control period T
0Be the set time value that system is provided with, the cycle control period T
0=50～100ms.
3, a kind of control system that realizes the automobile brake energy method for controlling reproduction comprises hydraulic accumulator (17), variable pump/motor (14), magnetic clutch (13), it is characterized in that described system also comprises:
Whether to put one's foot down brake pedal switch (1) is used to detect chaufeur;
Acceleration pedal switch (2) is used to detect chaufeur and whether depresses brake pedal;
Driving switch (6) is used to detect automobile and whether is in backing car gear;
Road grade sensor (11) is used to measure the gradient on the upper and lower slope of road, is installed on the automobile chassis frame, or is integrated in ECU (Electrical Control Unit) inside;
Car speed sensor (8) is used to measure the speed of a motor vehicle;
Energy storage pressure sensor (18) is used to measure the hydraulic pressure of energy storage;
Hydraulic control unit (16), comprise solenoid directional control valve (161), first check valve (162), electro-hydraulic reversing valve (163), second check valve (166), the 3rd check valve (167), by pass valve (168), wherein electro-hydraulic reversing valve (163) adopts external control 34 energisings of the formula liquid change-over valve that leaks, its A hydraulic fluid port connects the oil inlet of solenoid directional control valve (161) and the oil inlet of hydraulic accumulator (17), the B hydraulic fluid port connects the oil outlet of by pass valve (168) simultaneously, the K2 hydraulic fluid port of electro-hydraulic reversing valve (163) and sealed reservoir (20), its P hydraulic fluid port connects the oil outlet of second check valve (166), its T hydraulic fluid port connects the oil inlet of variable pump/motor (14) and the oil outlet of the 3rd check valve (167), its K1 hydraulic fluid port connects the oil outlet of first check valve (162) and the oil outlet of solenoid directional control valve (161), the oil inlet of first check valve (162) connects the oil outlet of variable pump/motor (14) simultaneously, the oil inlet of the oil inlet of second check valve (166) and by pass valve (168), the oil inlet of the 3rd check valve (167) connects the oil outlet of oil filter (24), and the oil inlet of oil filter (24) connects sealed reservoir (20);
ECU (Electrical Control Unit) (15), adopt micro controller system, its input end connects brake pedal switch (1), acceleration pedal switch (2), road grade sensor (11), driving switch (6), car speed sensor (8) and energy storage pressure sensor (18), and then judge whether automobile advances and travel, the acceleration of chaufeur or braking intention and detect advance road ramp when travelling of automobile, the speed of a motor vehicle and energy storage pressure, its mouth connects the solenoid directional control valve (161) of hydraulic control unit (16) and first magnet coil (164) and second magnet coil (165) of electro-hydraulic reversing valve (163), the proportion electro-magnet (141) of variable pump/motor (14) and magnetic clutch (13) are used to carry out the Recovering Waste Energy of Braking in Automobiles cycle control, control of braking energy release cycle and braking energy store control.
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|---|---|---|---|
| CN2008101389007A CN101332774B (en) | 2008-08-06 | 2008-08-06 | Automobile brake energy regeneration control method |
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|---|---|---|---|
| CN2008101389007A CN101332774B (en) | 2008-08-06 | 2008-08-06 | Automobile brake energy regeneration control method |
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|---|---|---|---|
| CN2009102587993A Division CN101811443B (en) | 2008-08-06 | 2008-08-06 | Automobile braking energy regeneration control system |
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| CN101332774B CN101332774B (en) | 2010-07-28 |
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Cited By (38)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8087733B2 (en) | 2008-12-09 | 2012-01-03 | Développement Effenco Inc. | Braking energy recovery system for a vehicle and vehicle equipped with the same |
| CN102332745A (en) * | 2011-10-13 | 2012-01-25 | 杨丽 | Reverse charging device of electric bicycle |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03107532A (en) * | 1989-09-21 | 1991-05-07 | Isuzu Motors Ltd | Vehicular energy recovery device |
| JP3525218B2 (en) * | 1998-09-18 | 2004-05-10 | 本田技研工業株式会社 | Regenerative control device for hybrid vehicle |
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| CN1209255C (en) * | 2003-05-14 | 2005-07-06 | 西安交通大学 | Energy regeneration charging system for electric bicycle |
-
2008
- 2008-08-06 CN CN2008101389007A patent/CN101332774B/en not_active Expired - Fee Related
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