CN105799667B - A kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system and control method - Google Patents
A kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system and control method Download PDFInfo
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- CN105799667B CN105799667B CN201610154151.1A CN201610154151A CN105799667B CN 105799667 B CN105799667 B CN 105799667B CN 201610154151 A CN201610154151 A CN 201610154151A CN 105799667 B CN105799667 B CN 105799667B
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- solenoid directional
- directional control
- bit triplet
- control valve
- air
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2260/00—Interaction of vehicle brake system with other systems
- B60T2260/06—Active Suspension System
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/60—Regenerative braking
Abstract
The invention discloses a kind of the Brake energy recovery regenerative systems and its control method of high-low pressure tank gas circuit closed-circuit air suspension automobile.Main includes the air pressure pump/motor being of coupled connections by attachment device and gearbox, two portings of air pressure pump/motor are connected by solenoid directional control valve with air filter/pressure pan and low-pressure tank respectively, low-pressure tank, air filter are connect by 5 solenoid directional control valves with pressure pan and air spring by the high-low pressure tank gas circuit closed-circuit air suspension Recovering Waste Energy of Braking in Automobiles regenerative system of the present invention respectively, by 5 energy regenerating steps, the recycling of braking energy and recycling in the case of air suspension automobile advances and moves backward are realized.The recycling of the braking energy and potential energy of the closed-circuit air suspension automobile of the present invention and recycling, simple in structure, energy transformation ratio is high, and cost of implementation is low.
Description
Technical field：
The present invention relates to a kind of vehicle braking energy reclaiming system and its control methods, more particularly, to a kind of height
Press tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system and control method.
Background technology
With the raising that people require vehicle ride comfort, air suspension in maneuverability and ride comfort because have it
The irreplaceable advantage of his suspension, high-low pressure tank gas circuit closed-circuit air suspension are more next because it takes into account energy saving and comfort requirement
More people are received.Current air suspension automobile generally uses hydraulic braking, in braking process, braking energy and gesture
The thermal energy that can be mostly converted on brake dissipates, and leads to energy waste.
The energy-storage travelling wave tube of current brake energy recovering system, Brake energy recovery is mainly accumulator or super electricity
To hold, main purpose is charging to battery or super capacitor in a flash in brake, and energy transformation ratio has certain limitation,
And energy density is small, price is somewhat expensive.In high-low pressure tank air suspension Brake energy recovery regenerative system, braking automobile process
The kinetic energy of middle vehicle is converted into the air pressure in pressure pan to realize energy regenerating by air pressure pump/motor.
Other than being recycled to braking energy in the form of electric energy, also there is the Brake energy recovery system using hydraulic energy-accumulating
System, although hydraulic energy-accumulating system energy density is bigger than accumulator, needs to add a series of energy regenerating and storage device,
Structure is relative complex, and spininess is to non-air suspension automobile, not strong for the applicability of high-low pressure tank gas circuit closed-circuit air suspension.
Invention content
The object of the present invention is to provide a kind of high-low pressure tank air suspension Brake energy recovery regenerative system and its controlling parties
Method, in the case where not adding energy-storage travelling wave tube, to realize recycling and regeneration to high-low pressure tank air suspension automobile brake energy.
The high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system of the present invention and its returning for control method energy
It receives and regeneration is to realize that air pressure pump/motor is when recovering energy with the pattern work of pulsometer by reversible air pressure pump/motor
Make, is worked with the pattern of air motor when releasing energy.Energy regenerating is by corresponding electromagnetism with the conversion of the pattern of release
Valve, the realizations such as control unit, air pressure pump/motor and air spring, pressure pan, low-pressure tank, air filter are passed through into electromagnetism
Valve and check valve connect, and realize the recycling and regeneration of high-low pressure tank air suspension automobile brake energy.
In order to realize that above-mentioned function, the specific technical solution that the present invention takes be：A kind of high-low pressure tank air suspension automobile
Brake energy recovery regenerative system, including air pressure pump/motor, the first two-bit triplet solenoid directional control valve, the second two-bit triplet electromagnetism
Reversal valve, third two-bit triplet solenoid directional control valve, the 4th two-bit triplet solenoid directional control valve, the 5th two-bit triplet solenoid directional control valve,
2/2-way solenoid valve, air filter, low-pressure tank, pressure pan and air spring, first total gas circuit of the air pressure pump/motor
On be provided with the first gas circuit branch, the second gas circuit branch and third gas circuit branch；In second total gas circuit of the air pressure pump/motor
Be provided with the 4th gas circuit branch, the 5th gas circuit branch and the 6th gas circuit branch, first gas circuit branch with described the second two
The A mouths of three-way solenoid valve connect, and second gas circuit branch connect with the air inlet C of the pressure pan, the third gas
Road branch connect with the A mouths of the 5th two-bit triplet solenoid directional control valve；The 4th gas circuit branch with described the second two three
The B mouths of electric change valve connect, and the 5th gas circuit branch connect with the air inlet C of the pressure pan, the 6th gas circuit
Branch connect with the B mouths of the 5th two-bit triplet solenoid directional control valve；The P mouths of the second two-bit triplet solenoid directional control valve and institute
State the P mouths connection of the first two-bit triplet solenoid directional control valve, B mouths and the low-pressure tank of the first two-bit triplet solenoid directional control valve
Connection, the A mouths of the first two-bit triplet solenoid directional control valve are connect with the air filter；The 5th two-bit triplet electromagnetism
The P mouths of reversal valve are connect with the P mouths of the 4th two-bit triplet solenoid directional control valve, the 4th two-bit triplet solenoid directional control valve
A mouthfuls connect with the air spring, and the air spring is also connect with the B mouths of the third two-bit triplet solenoid directional control valve, institute
The B mouths for stating the 4th two-bit triplet solenoid directional control valve are connect with the A mouths of the third two-bit triplet solenoid directional control valve, the third two
Position three-way solenoid valve P mouths connect with the P mouths of the 2/2-way solenoid valve, the A mouths of the 2/2-way solenoid valve and
The gas outlet D connections of the pressure pan.
In said program, the air pressure pump/motor is of coupled connections by attachment device and gearbox, is divided on the gearbox
It is not connected with engine input shaft and wheel output shaft.
In said program, installed between the 6th gas circuit branch and the B mouths of the 5th two-bit triplet solenoid directional control valve
There is third check valve；It is equipped with the 4th between third gas circuit branch and the A mouths of the 5th two-bit triplet solenoid directional control valve
Check valve；The first check valve is installed between second gas circuit branch and the air inlet C of the pressure pan；5th gas circuit
The second check valve is installed between branch and the air inlet C of the pressure pan.
In said program, first sensor is installed in first total gas circuit, is equipped in second total gas circuit
Two sensors are equipped with 3rd sensor in the gas circuit of the low-pressure tank, and the 4th biography is equipped at the gas outlet D of the pressure pan
Sensor, is equipped with the 5th sensor in the gas circuit of the air spring, the first sensor, the second sensor, described
3rd sensor, the 4th sensor, the 5th sensor, the air pressure pump/motor, the first two-bit triplet electromagnetism
Reversal valve, the second two-bit triplet solenoid directional control valve, the third two-bit triplet solenoid directional control valve, the 4th two-bit triplet
Solenoid directional control valve, the 5th two-bit triplet solenoid directional control valve and the 2/2-way solenoid valve are connect with ECU electronic control unit,
Train signal unit is also associated in the ECU electronic control unit, the train signal unit is used for the speed signal of automobile, vehicle
Body acceleration signal, throttle signal, brake pedal signal and shift signal pass to the ECU electronic control unit.
High-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system system is utilized the present invention also provides a kind of
The method of energy recycling, including following four steps：
Step 1：The step of system work detection early period；
Step 2：The step of high-low pressure tank air suspension automobile forward gear Brake energy recovery：
Step 3：The step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery：
Step 4：The step of high-low pressure tank air suspension automobile forward gear Brake energy recovery recycles；
Step 5：The step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery recycles.
In said program, the step of system work detection early period, includes mainly：ECU electronic control unit is sensed according to first
Device, second sensor, 3rd sensor, the 4th sensor, the 5th sensor numerical value judge whether system needs to inflate, if
System needs to inflate, then ECU electronic control unit is by controlling the first two-bit triplet solenoid directional control valve, the second two-bit triplet electromagnetic switch
Valve, third two-bit triplet solenoid directional control valve, the 4th two-bit triplet solenoid directional control valve, the 5th two-bit triplet solenoid directional control valve and two
The break-make of two three-way electromagnetic valves and starting air pressure pump/motor makes it be directly inflated to pressure pan by the pattern of pulsometer, waits filling
After the completion of gas, ECU electronic control unit connects low-pressure tank by controlling the first solenoid directional control valve, is controlled into next step；If system
It need not inflate, ECU electronic control unit judges whether air spring needs to inflate by sensor, if it is determined that air spring needs fill
Gas, then ECU electronic control unit control pressure pump/motor does not work, and by controlling solenoid directional control valve combination, so that pressure pan is connected empty
Gas spring is inflated；If ECU electronic control unit 12 judges that air spring need not be inflated, it is directly entered next step control.
In said program, the step of high-low pressure tank air suspension automobile forward gear Brake energy recovery, includes mainly：
ECU electronic control unit receives throttle, brake pedal, shift signal by train signal unit and is analyzed, if it is determined that being at this time
Forward gear and Brake energy recovery can be carried out, then ECU electronic control unit is by controlling solenoid directional control valve combination, and starts air pressure
Pump/motor is worked with the pattern of pulsometer, and the low-pressure gas in low-pressure tank is discharged by the A mouths of the second solenoid directional control valve, by air pressure
The high pressure gas of pump/motor discharge is stored in through the second check valve in pressure pan, recycles braking energy.
In said program, the step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery, includes mainly：ECU
Electronic control unit receives throttle, brake pedal, shift signal by train signal unit and is analyzed, if it is determined that being to fall at this time
It keeps off and Brake energy recovery can be carried out, then ECU electronic control unit is by controlling solenoid directional control valve combination, and starts pulsometer/horse
Up to the pattern work with pulsometer, the low-pressure gas in low-pressure tank is discharged by the B mouths of the second solenoid directional control valve, by pulsometer/horse
High pressure gas up to 7 discharges is stored in through the first check valve in pressure pan, recycles braking energy.
In said program, the step of high-low pressure tank air suspension automobile forward gear Brake energy recovery recycles, is main
Including：ECU electronic control unit receives throttle, brake pedal, gear, speed, body acceleration signal by train signal unit
And analyzed, if it is determined that being forward gear at this time and Brake energy recovery recycling can be carried out, when judgement air spring needs
When deflation, then ECU electronic control unit makes the high pressure gas of air spring through the 4th electromagnetic switch by controlling solenoid directional control valve combination
Valve enters air pressure pump/motor by the A mouths output of the 5th solenoid directional control valve, and starts air pressure pump/motor with air motor pattern work
Make, B mouth of the gas through the second solenoid directional control valve of air pressure pump/motor output, the B mouths finally through the first solenoid directional control valve enter low
Press tank；The torque that air pressure pump/motor generates passes to driving wheel by output shaft of the attachment device through gearbox, drives garage
It sails, realizes that air spring air pressure efficiently uses；If ECU electronic control unit judgement air spring need not deflate, pass through control
Solenoid directional control valve combines, and the high pressure gas of pressure pan is made to be changed by the 5th electromagnetism through 2/2-way solenoid valve, the 4th solenoid directional control valve
Enter air pressure pump/motor to the output of the A mouths of valve, and starts air pressure pump/motor and worked with air motor pattern, air pressure pump/motor 7
B mouth of the gas of output through the second solenoid directional control valve, the B mouths finally through the first solenoid directional control valve enter low-pressure tank；Pulsometer/horse
Torque up to generation passes to driving wheel by output shaft of the attachment device through gearbox, drives running car, realizes Brake Energy
Measure the recycling of recycling.
In said program, the step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery recycles, mainly wraps
It includes：ECU electronic control unit receives throttle, brake pedal, gear, speed by train signal unit, and body acceleration signal is simultaneously
It is analyzed, if it is determined that being to reverse gear and can carry out Brake energy recovery recycling at this time, when judgement air spring needs to deflate
When, then ECU electronic control unit makes the high pressure gas of air spring through the 4th two-bit triplet electromagnetism by controlling solenoid directional control valve combination
Reversal valve enters air pressure pump/motor by the B mouths output of the 5th solenoid directional control valve, and starts air pressure pump/motor with air motor mould
Formula works, A mouth of the gas through the second solenoid directional control valve of air pressure pump/motor output, B mouths finally through the first solenoid directional control valve into
Enter low-pressure tank；The torque that air pressure pump/motor generates passes to driving wheel by output shaft of the attachment device through gearbox, drives vapour
Vehicle travels, and realizes that air spring air pressure efficiently uses；If ECU electronic control unit judgement air spring need not deflate, pass through
Solenoid directional control valve combination is controlled, keeps the high pressure gas of pressure pan electric by the 5th through 2/2-way solenoid valve, the 4th solenoid directional control valve
The B mouths output of magnetic reversal valve enters air pressure pump/motor, and starts air pressure pump/motor and worked with air motor pattern, and pulsometer/
A mouth of the gas through the second solenoid directional control valve of motor output, the B mouths finally through the first solenoid directional control valve enter low-pressure tank；Air pressure
The torque that pump/motor generates passes to driving wheel by output shaft of the attachment device through gearbox, drives running car, realizes system
The recycling of energy recycling.
The beneficial effects of the invention are as follows：(1) a kind of high-low pressure tank air suspension automobile brake energy provided by the invention returns
Regenerative system and its control method are received, it can be under the premise of not adding energy storage device, by increasing a set of Brake energy recovery
System realizes the advance to high-low pressure tank air suspension automobile, falls back bi-directional braking energy regenerating, reaches energy saving purpose, fully
Simple in structure using existing equipment, energy transformation ratio is high, at low cost.(2) a kind of high-low pressure tank air suspension vapour that invention provides
Vehicle Brake energy recovery regenerative system and its control method, when spring needs to deflate, the air pressure in spring can be by this
System is converted into automobile kinetic energy, further saves energy.(3) a kind of high-low pressure tank air suspension automobile brake provided by the invention
The braking energy of recycling is stored in automobile itself and carried in pressure pan by energy regenerating regenerative system and its control method, can needed
It inflates directly to air spring when wanting or is converted into kinetic energy, energy transformation ratio significantly improves.(4) present invention is automatically controlled by ECU
The control method of unit and respective design is controlled solenoid directional control valve, realizes high-low pressure tank air suspension automobile brake
Energy regenerating and regenerated automation.
Description of the drawings
Fig. 1 is the structure principle chart of the present invention.
Fig. 2 is the operating diagram that system works early period.
Fig. 3 is Braking system energy regenerating control flow chart.
Fig. 4 is that Braking system energy regenerating recycles control flow chart.
In figure：1-1, the first check valve；1-2, the second check valve；1-3, third check valve；1-4, the 4th check valve；2-1,
First two-bit triplet solenoid directional control valve；2-2, the second two-bit triplet solenoid directional control valve；2-3, third two-bit triplet solenoid directional control valve；
2-4, the 4th two-bit triplet solenoid directional control valve；2-5, the 5th two-bit triplet solenoid directional control valve；2-6,2/2-way solenoid valve；3-1,
Engine input shaft；3-2, wheel output shaft；4-1, first sensor；4-2, second sensor；4-3,3rd sensor；4-4,
4th sensor；4-5, the 5th sensor；5, gearbox；6, attachment device；7, air pressure pump/motor；8, air filter；9, it is low
Press tank；10, pressure pan；11, air spring；12, ECU control units；13, train signal unit；Pl, low-pressure tank actual pressure；
Ph, pressure pan actual pressure；Phmax, pressure pan permission maximum pressure；Phmin, pressure pan permission minimum pressure；Plmax, low-pressure tank
Allow maximum pressure；Plmin, low-pressure tank permission minimum pressure.
Specific implementation mode
It is further illustrated with reference to the accompanying drawings and examples
It is high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system of the present invention and its control method as shown in Figure 1
The structure principle chart of example, the engine input shaft 3-1 for connecting engine power as seen from the figure are transmitted power by gearbox 5
To the wheel output shaft 3-2 for driving wheels travel, which is passed by gearbox 5 and former vehicle
Dynamic system is of coupled connections.Air pressure pump/motor 7 is of coupled connections by attachment device 6 and gearbox 5.The air pressure pump/motor 7
The first gas circuit branch, the second gas circuit branch and third gas circuit branch are provided in first total gas circuit；The air pressure pump/motor 7
Be provided with the 4th gas circuit branch, the 5th gas circuit branch and the 6th gas circuit branch in second total gas circuit, first gas circuit branch with
The A mouths of the second two-bit triplet solenoid directional control valve 2-2 connect, the air inlet of second gas circuit branch and the pressure pan 10
C connections, third gas circuit branch connect with the A mouths of the 5th two-bit triplet solenoid directional control valve 2-5；4th gas circuit point
Branch is connect with the B mouths of the second two-bit triplet solenoid directional control valve 2-2, the 5th gas circuit branch and the pressure pan 10 into
Gas port C connections, the 6th gas circuit branch connect with the B mouths of the 5th two-bit triplet solenoid directional control valve 2-5；Described second liang
The P mouths of position three-way solenoid valve 2-2 are connect with the P mouths of the first two-bit triplet solenoid directional control valve 2-1, described the first two
The B mouths of three-way solenoid valve 2-1 are connect with the low-pressure tank 9, the A mouths of the first two-bit triplet solenoid directional control valve 2-1 with
The air filter 8 connects；The P mouths of the 5th two-bit triplet solenoid directional control valve 2-5 and the 4th two-bit triplet electromagnetism
The P mouths of reversal valve 2-4 connect, and the A mouths of the 4th two-bit triplet solenoid directional control valve 2-4 are connect with the air spring 11, institute
It states air spring 11 also to connect with the B mouths of the third two-bit triplet solenoid directional control valve 2-3, the 4th two-bit triplet electromagnetism changes
It is connect to the B mouths of valve 2-4 with the A mouths of the third two-bit triplet solenoid directional control valve 2-3, the third two-bit triplet electromagnetic switch
The P mouths of valve 2-3 are connect with the P mouths of the 2/2-way solenoid valve 2-6, the A mouths of the 2/2-way solenoid valve 2-6 with it is described
The gas outlet D connections of pressure pan 10.
Preferably, in order to avoid backflow phenomena, the 6th gas circuit branch and described the occur during gas output
Third check valve 1-3 is installed between the B mouths of five two-bit triplet solenoid directional control valve 2-5；Third gas circuit branch and described the
The 4th check valve 1-4 is installed between the A mouths of five two-bit triplet solenoid directional control valve 2-5；Second gas circuit branch and the height
First check valve 1-1 is installed between the air inlet C of pressure tank 10；The air inlet of 5th the gas circuit branch and the pressure pan 10
Second check valve 1-2 is installed between C.Wherein the first check valve 1-1 and the second check valve 1-2 is ensureing energy recovery process
Gas in mesohigh tank 9 will not be flow backwards；Third check valve 1-3 and the 4th check valve 1-4 is ensureing in energy recovery process
High pressure gas will not be pumped directly into air spring.It is further preferred that being equipped with first sensor 4- in first total gas circuit
1, second sensor 4-2 is installed in second total gas circuit, 3rd sensor 4-3 is installed in the gas circuit of the low-pressure tank 9,
4th sensor 4-4 is installed at the gas outlet D of the pressure pan 10, the 5th biography is installed in the gas circuit of the air spring 11
Sensor 4-5, the first sensor 4-1, the second sensor 4-2, the 3rd sensor 4-3, the 4th sensor
4-4, the 5th sensor 4-5, the air pressure pump/motor 7, the first two-bit triplet solenoid directional control valve 2-1, described second
Two-bit triplet solenoid directional control valve 2-2, the third two-bit triplet solenoid directional control valve 2-3, the 4th two-bit triplet electromagnetic switch
Valve 2-4, the 5th two-bit triplet solenoid directional control valve 2-5 and the 2/2-way solenoid valve 2-6 connect with ECU electronic control unit 12
It connects, train signal unit 13 is also associated in the ECU electronic control unit 12, the train signal unit 13 is used for the vehicle of automobile
Fast signal, body acceleration signal, throttle signal, brake pedal signal and shift signal pass to the ECU electronic control unit 12.
The high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system of the present invention and its work of control method are former
Reason and the course of work are as follows：
System works early period：ECU electronic control unit 12 judges whether system needs to inflate according to operating diagram shown in Fig. 2,
If system needs to inflate, controls the first two-bit triplet solenoid directional control valve 2-1 and work in bottom, system passes through air filter
8 connect air, and 2/2-way solenoid valve 2-6 works in right position, and pressure pan gas outlet is closed, other solenoid valves are in original state
State, while starting air pressure pump/motor 7, directly pressure pan is inflated with the pattern of pulsometer, inflation is completed, control first
Two-bit triplet solenoid directional control valve 2-1 works in upper, connection low-pressure tank 9, into next step control.If system need not fill
Gas, whether judgement air spring 11 needs to inflate, if it is determined that air spring 11 needs to inflate, the not work of air pressure pump/motor 7 at this time
Make, 2/2-way solenoid valve 2-6 works in left position, and third two-bit triplet solenoid directional control valve 2-3 works in upper, and pressure pan 10 connects
Blowing air spring 11 is inflated, other solenoid valves are in original position；If it is determined that air spring 11 need not be inflated, then directly into
Enter next step control.
High-low pressure tank air suspension automobile forward gear Brake energy recovery：ECU electronic control unit 12 passes through train signal unit
13 receive the signals such as throttle, brake pedal, gear, according to Braking system power recovery scheme figure shown in Fig. 3, if it is determined that this
When for forward gear and Brake energy recovery can be carried out, then control the second two-bit triplet solenoid directional control valve 2-2 and work in right position, two
Two three-way electromagnetic valve 2-6 of position work in right position, other solenoid valves are in original position；The driving force of wheel is filled through gearbox 5 and connection
It sets 6 driving air pressure pump/motors to work with the pattern of pulsometer, the low-pressure gas in low-pressure tank 9 is changed by the second two-bit triplet electromagnetism
It is discharged to the A mouths of valve 2-2, is stored in pressure pan through the second check valve 1-2 by the high pressure gas that air pressure pump/motor 7 goes out, recycling system
Energy.For second check valve 1-2 to ensure system during Brake energy recovery, air pressure pump/motor 7 will not be by pressure pan
In high pressure gas reverse drive.
High-low pressure tank air suspension automobile reverse gear Brake energy recovery：ECU electronic control unit 12 passes through train signal unit 13
The signals such as throttle, brake pedal, gear are received, according to Braking system power recovery scheme figure shown in Fig. 3, if it is determined that at this time
To reverse gear and can carry out Brake energy recovery, then controls all solenoid directional control valves and be in original position；The driving force of wheel is through becoming
Fast case 5 and attachment device 6 drive air pressure pump/motor to work with the pattern of pulsometer, and the low-pressure gas in low-pressure tank 9 is by second liang
The B mouths discharge of position three-way solenoid valve 2-2, height is stored in by the high pressure gas that air pressure pump/motor 7 goes out through the first check valve 1-1
It presses in tank, recycles braking energy.First check valve 1-1 is to ensure system during Brake energy recovery, air pressure pump/motor
It will not be by the high pressure gas reverse drive in pressure pan.
High-low pressure tank air suspension automobile forward gear Brake energy recovery recycles：ECU electronic control unit 12 is believed by driving a vehicle
Number unit 13 receives the signals such as throttle, brake pedal, gear, and to speed, the train signals such as vehicle body acceleration are analyzed,
Control flow chart is recycled according to Braking system energy regenerating shown in Fig. 4, if it is determined that being forward gear at this time and can be made
Energy recycling then controls the 4th two-bit triplet solenoid directional control valve 2-4 works when judging that air spring 11 needs to deflate
Make in right position, the 5th two-bit triplet solenoid directional control valve 2-5 works in right position, other solenoid valves are in original position；Air spring 11
High pressure gas through the 4th two-bit triplet solenoid directional control valve 2-4, by the A mouths of the 5th two-bit triplet solenoid directional control valve 2-5 export into
Entering air pressure pump/motor 7 drives air pressure pump/motor 7 to work with air motor pattern, and the gas that air pressure pump/motor 7 exports is through second
The B mouths of two-bit triplet solenoid directional control valve 2-2, the B mouths finally through the first two-bit triplet solenoid directional control valve 2-1 enter low-pressure tank；Gas
The torque that pressure pump/motor generates passes to driving wheel by output shaft of the attachment device 6 through gearbox 5, drives running car, real
Existing air spring air pressure efficiently uses.If it is determined that air spring 11 need not deflate, then 2/2-way solenoid valve 2-6 works are controlled
Make in left position, the 5th two-bit triplet solenoid directional control valve 2-5 works in right position, other solenoid valves are in original position；Pressure pan 10
High pressure gas is through 2/2-way solenoid valve 2-6, the 4th two-bit triplet solenoid directional control valve 2-4 by the 5th two-bit triplet solenoid directional control valve
The A mouths output of 2-5 is entered air pressure pump/motor 7 and air pressure pump/motor 7 is driven to be worked with air motor pattern, and air pressure pump/motor 7 is defeated
B mouth of the gas gone out through the second two-bit triplet solenoid directional control valve 2-2, the B mouths finally through the first two-bit triplet solenoid directional control valve 2-1
Into low-pressure tank；The torque that air pressure pump/motor generates passes to driving wheel by output shaft of the attachment device 6 through gearbox 5, drives
Electrical automobile travels, and realizes the recycling of Brake energy recovery.
High-low pressure tank air suspension automobile reverse gear Brake energy recovery recycles：ECU electronic control unit 12 passes through train signal
Unit 13 receives the signals such as throttle, brake pedal, gear, and to speed, and the train signals such as vehicle body acceleration are analyzed, according to
Control flow chart is recycled according to Braking system energy regenerating shown in Fig. 4, if it is determined that being to reverse gear and Brake Energy can be carried out at this time
Recycling is measured, when judging that air spring 11 needs to deflate, then it is right to control the second two-bit triplet solenoid directional control valve 2-2 work
Position, the 4th two-bit triplet solenoid directional control valve 2-4 work in right position, other solenoid valves are in original position；The high pressure of air spring 11
Gas enters air pressure through the 4th two-bit triplet solenoid directional control valve 2-4, by the B mouths output of the 5th two-bit triplet solenoid directional control valve 2-5
Pump/motor 7 drives air pressure pump/motor 7 to work with air motor pattern, and the gas that air pressure pump/motor 7 exports is through the second two three
The A mouths of electric change valve 2-2, the B mouths finally through the first two-bit triplet solenoid directional control valve 2-1 enter low-pressure tank；Pulsometer/horse
Torque up to generation passes to driving wheel by output shaft of the attachment device 6 through gearbox 5, drives running car, realizes air
Spring air pressure efficiently uses.If it is determined that air spring 11 need not deflate, then controls 2/2-way solenoid valve 2-6 and work in a left side
Position, the second two-bit triplet solenoid directional control valve 2-2 work in right position, other solenoid valves are in original position；The high pressure gas of pressure pan 10
Body is through 2/2-way solenoid valve 2-6, the 4th two-bit triplet solenoid directional control valve 2-4 by the B of the 5th two-bit triplet solenoid directional control valve 2-5
Mouth output is entered air pressure pump/motor 7 and air pressure pump/motor 7 is driven to be worked with air motor pattern, the gas of the output of air pressure pump/motor 7
A mouth of the body through the second two-bit triplet solenoid directional control valve 2-2, finally the B mouths entrance through the first two-bit triplet solenoid directional control valve 2-1 is low
Press tank；The torque that air pressure pump/motor generates passes to driving wheel by output shaft of the attachment device 6 through gearbox 5, drives automobile
Traveling, realizes the recycling of Brake energy recovery.
Storage of the system of the present invention using the intrinsic equipment pressure pan of high-low pressure tank air suspension automobile as Brake energy recovery
Energy element, according to the control strategy of ECU electronic control unit, is passed through by way of air pressure pump/motor and obtains related elements pressure letter
Number and the signals such as gear, throttle, brake pedal, speed, vehicle body acceleration, it is when the vehicle is braked, Brake energy recovery is supreme
Press tank；According to the control strategy of ECU electronic control unit, by obtain related elements pressure signal and gear, throttle, brake pedal,
The signals such as speed, vehicle body acceleration are discharged in vehicle start or acceleration and are recovered energy, with assisted engine power output,
Realize high-low pressure tank air suspension automobile brake energy recycle and reuse, while air spring need deflate when, to air
Air pressure in spring is efficiently used, and energy is further saved, and is achieved energy-saving and emission reduction purposes.
Claims (10)
1. a kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system, which is characterized in that including air pressure pump/motor
(7), the first two-bit triplet solenoid directional control valve (2-1), the second two-bit triplet solenoid directional control valve (2-2), third two-bit triplet electromagnetism
Reversal valve (2-3), the 4th two-bit triplet solenoid directional control valve (2-4), the 5th two-bit triplet solenoid directional control valve (2-5), 2/2-way
Solenoid valve (2-6), air filter (8), low-pressure tank (9), pressure pan (10) and air spring (11), the air pressure pump/motor
(7) the first gas circuit branch, the second gas circuit branch and third gas circuit branch are provided in first total gas circuit；Pulsometer/the horse
It is provided with the 4th gas circuit branch, the 5th gas circuit branch and the 6th gas circuit branch, first gas circuit on up to second total gas circuit of (7)
Branch connect with the A mouths of the second two-bit triplet solenoid directional control valve (2-2), second gas circuit branch and the pressure pan
(10) air inlet C connections, third gas circuit branch connect with the A mouths of the 5th two-bit triplet solenoid directional control valve (2-5)；
The 4th gas circuit branch connect with the B mouths of the second two-bit triplet solenoid directional control valve (2-2), the 5th gas circuit branch with
The air inlet C connections of the pressure pan (10), the 6th gas circuit branch and the 5th two-bit triplet solenoid directional control valve (2-5)
B mouths connection；The P mouths of the second two-bit triplet solenoid directional control valve (2-2) and the first two-bit triplet solenoid directional control valve (2-
1) P mouths connection, the B mouths of the first two-bit triplet solenoid directional control valve (2-1) are connect with the low-pressure tank (9), and described first
The A mouths of two-bit triplet solenoid directional control valve (2-1) are connect with the air filter (8)；The 5th two-bit triplet electromagnetic switch
The P mouths of valve (2-5) are connect with the P mouths of the 4th two-bit triplet solenoid directional control valve (2-4), and the 4th two-bit triplet electromagnetism changes
Connect to the A mouths of valve (2-4) with the air spring (11), the air spring (11) also with the third two-bit triplet electromagnetism
The B mouths of reversal valve (2-3) connect, B mouths and the third two-bit triplet electricity of the 4th two-bit triplet solenoid directional control valve (2-4)
The A mouths of magnetic reversal valve (2-3) connect, P mouths and the 2/2-way electromagnetism of the third two-bit triplet solenoid directional control valve (2-3)
The P mouths of valve (2-6) connect, and the A mouths of the 2/2-way solenoid valve (2-6) are connect with the gas outlet D of the pressure pan (10).
2. a kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 1, feature
It is, the air pressure pump/motor (7) is of coupled connections by attachment device (6) and gearbox (5), on the gearbox (5) respectively
It is connected with engine input shaft (3-1) and wheel output shaft (3-2).
3. a kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 1 or 2, special
Sign is, third list is equipped between the 6th gas circuit branch and the B mouths of the 5th two-bit triplet solenoid directional control valve (2-5)
To valve (1-3)；Is equipped between third gas circuit branch and the A mouths of the 5th two-bit triplet solenoid directional control valve (2-5)
Four check valves (1-4)；The first check valve is installed between second gas circuit branch and the air inlet C of the pressure pan (10)
(1-1)；Second check valve (1-2) is installed between the 5th gas circuit branch and the air inlet C of the pressure pan (10).
4. a kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 1 or 2, special
Sign is, first sensor (4-1) is equipped in first total gas circuit, second sensor is equipped in second total gas circuit
(4-2) is equipped with 3rd sensor (4-3) in the gas circuit of the low-pressure tank (9), pacifies at the gas outlet D of the pressure pan (10)
Equipped with the 4th sensor (4-4), the 5th sensor (4-5) is installed in the gas circuit of the air spring (11), described first passes
Sensor (4-1), the second sensor (4-2), the 3rd sensor (4-3), the 4th sensor (4-4), described
It is five sensors (4-5), the air pressure pump/motor (7), the first two-bit triplet solenoid directional control valve (2-1), the second two described
Three-way solenoid valve (2-2), the third two-bit triplet solenoid directional control valve (2-3), the 4th two-bit triplet electromagnetic switch
Valve (2-4), the 5th two-bit triplet solenoid directional control valve (2-5) and the 2/2-way solenoid valve (2-6) with the automatically controlled lists of ECU
First (12) connect, and train signal unit (13), the train signal unit (13) are also associated on the ECU electronic control unit (12)
It is described for passing to the speed signal of automobile, body acceleration signal, throttle signal, brake pedal signal and shift signal
ECU electronic control unit (12).
5. a kind of braked using high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system described in claim 1
The method of energy regenerating, including following four steps：
Step 1：The step of system work detection early period；
Step 2：The step of high-low pressure tank air suspension automobile forward gear Brake energy recovery：
Step 3：The step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery：
Step 4：The step of high-low pressure tank air suspension automobile forward gear Brake energy recovery recycles；
Step 5：The step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery recycles.
6. high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 5 carries out braking energy
The method of recycling, which is characterized in that the step of system work detection early period includes mainly：ECU electronic control unit 12 is according to
One sensor (4-1), second sensor (4-2), 3rd sensor (4-3), the 4th sensor (4-4), the 5th sensor (4-5)
Numerical value judge whether system needs to inflate, if system needs to inflate, ECU electronic control unit 12 passes through control the first two three
Electric change valve (2-1), the second two-bit triplet solenoid directional control valve (2-2), third two-bit triplet solenoid directional control valve (2-3),
Four two-bit triplet solenoid directional control valves (2-4), the 5th two-bit triplet solenoid directional control valve (2-5) and 2/2-way solenoid valve (2-6)
Break-make and starting air pressure pump/motor (7) makes it be directly inflated to pressure pan by the pattern of pulsometer, is waited after the completion of inflating,
ECU electronic control unit (12) connects low-pressure tank (9) by controlling the first two-bit triplet solenoid directional control valve (2-1), is controlled into next step
System；If system need not inflate, ECU electronic control unit (12) judges whether air spring (11) needs to inflate by sensor,
If it is determined that air spring (11) needs to inflate, then ECU electronic control unit (12) control pressure pump/motor (7) does not work, and passes through control
Solenoid directional control valve combination processed makes pressure pan (10) connect air spring (11) and is inflated；If ECU electronic control unit (12) judgement is empty
Gas spring (11) need not inflate, then be directly entered next step control.
7. high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 5 carries out braking energy
The method of recycling, which is characterized in that the step of high-low pressure tank air suspension automobile forward gear Brake energy recovery mainly wraps
It includes：ECU electronic control unit (12) receives throttle, brake pedal, shift signal by train signal unit (13) and is analyzed, if
Judgement is forward gear at this time and can carry out Brake energy recovery, then ECU electronic control unit (12) is by controlling electromagnetic switch valve group
It closes, and starts air pressure pump/motor and worked with the pattern of pulsometer, the low-pressure gas in low-pressure tank (9) is by the second two-bit triplet electricity
The A mouths of magnetic reversal valve (2-2) are discharged, and high pressure is stored in through the second check valve (1-2) by the high pressure gas that air pressure pump/motor 7 is discharged
In tank, braking energy is recycled.
8. high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 5 carries out braking energy
The method of recycling, which is characterized in that the step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery includes mainly：
ECU electronic control unit (12) receives throttle, brake pedal, shift signal by train signal unit (13) and is analyzed, if
Judgement is to reverse gear and can carry out Brake energy recovery at this time, then ECU electronic control unit (12) is combined by controlling solenoid directional control valve,
And start air pressure pump/motor and worked with the pattern of pulsometer, the low-pressure gas in low-pressure tank (9) is changed by the second two-bit triplet electromagnetism
It is discharged to the B mouths of valve (2-2), pressure pan is stored in through the first check valve (1-1) by the high pressure gas that air pressure pump/motor (7) is discharged
In, recycle braking energy.
9. high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 5 carries out braking energy
The method of recycling, which is characterized in that the step of high-low pressure tank air suspension automobile forward gear Brake energy recovery recycles
Include mainly：ECU electronic control unit (12) receives throttle, brake pedal, gear, speed, vehicle by train signal unit (13)
Body acceleration signal is simultaneously analyzed, if it is determined that being forward gear at this time and can carry out Brake energy recovery recycling, works as judgement
When air spring (11) needs to deflate, then ECU electronic control unit (12) makes air spring (11) by controlling solenoid directional control valve combination
High pressure gas through the 4th two-bit triplet solenoid directional control valve (2-4), the A mouths by the 5th two-bit triplet solenoid directional control valve (2-5) are defeated
Go out to enter air pressure pump/motor (7), and start air pressure pump/motor (7) and worked with air motor pattern, air pressure pump/motor (7) is defeated
B mouth of the gas gone out through the second two-bit triplet solenoid directional control valve (2-2), finally through the first two-bit triplet solenoid directional control valve (2-1)
B mouths enter low-pressure tank；The torque that air pressure pump/motor generates is passed to by output shaft of the attachment device (6) through gearbox (5)
Driving wheel drives running car, realizes that air spring air pressure efficiently uses；If ECU electronic control unit (12) judges air spring
(11) it need not deflate, then by controlling solenoid directional control valve combination, make the high pressure gas of pressure pan (10) through 2/2-way electromagnetism
Valve (2-6), the 4th two-bit triplet solenoid directional control valve (2-4) are exported by the A mouths of the 5th two-bit triplet solenoid directional control valve (2-5) to be entered
Air pressure pump/motor (7), and start air pressure pump/motor (7) and worked with air motor pattern, the gas that air pressure pump/motor 7 exports
B mouths through the second two-bit triplet solenoid directional control valve (2-2), finally the B mouths entrance through the first two-bit triplet solenoid directional control valve (2-1)
Low-pressure tank；The torque that air pressure pump/motor generates passes to driving wheel by output shaft of the attachment device (6) through gearbox (5), drives
Electrical automobile travels, and realizes the recycling of Brake energy recovery.
10. high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system according to claim 5 carries out Brake Energy
The method for measuring recycling, which is characterized in that the step of high-low pressure tank air suspension automobile reverse gear Brake energy recovery recycles
Include mainly：ECU electronic control unit (12) receives throttle, brake pedal, gear, speed, vehicle by train signal unit (13)
Body acceleration signal is simultaneously analyzed, if it is determined that being to reverse gear and can carry out Brake energy recovery recycling at this time, when judgement is empty
When gas spring (11) needs to deflate, then ECU electronic control unit (12) makes air spring (11) by controlling solenoid directional control valve combination
High pressure gas is exported through the 4th two-bit triplet solenoid directional control valve (2-4) by the B mouths of the 5th two-bit triplet solenoid directional control valve (2-5)
Into air pressure pump/motor (7), and starts air pressure pump/motor (7) and worked with air motor pattern, air pressure pump/motor (7) output
A mouth of the gas through the second two-bit triplet solenoid directional control valve (2-2), the B finally through the first two-bit triplet solenoid directional control valve (2-1)
Mouth enters low-pressure tank；The torque that air pressure pump/motor generates passes to drive by output shaft of the attachment device (6) through gearbox (5)
Driving wheel drives running car, realizes that air spring air pressure efficiently uses；If ECU electronic control unit (12) judges air spring
(11) it need not deflate, then by controlling solenoid directional control valve combination, make the high pressure gas of pressure pan (10) through 2/2-way electromagnetism
Valve (2-6), the 4th two-bit triplet solenoid directional control valve (2-4) are exported by the B mouths of the 5th two-bit triplet solenoid directional control valve (2-5) to be entered
Air pressure pump/motor (7), and start air pressure pump/motor (7) and worked with air motor pattern, the gas that air pressure pump/motor 7 exports
A mouths through the second two-bit triplet solenoid directional control valve (2-2), finally the B mouths entrance through the first two-bit triplet solenoid directional control valve (2-1)
Low-pressure tank；The torque that air pressure pump/motor generates passes to driving wheel by output shaft of the attachment device (6) through gearbox (5), drives
Electrical automobile travels, and realizes the recycling of Brake energy recovery.
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| CN201610154151.1A CN105799667B (en) | 2016-03-18 | 2016-03-18 | A kind of high-low pressure tank air suspension Recovering Waste Energy of Braking in Automobiles regenerative system and control method |
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| CN109733359A (en) * | 2019-01-18 | 2019-05-10 | 江苏大学 | A kind of pneumatic brake emergency braking auxiliary device and method |
| CN110001332B (en) * | 2019-03-18 | 2021-08-03 | 江苏大学 | Tire burst safety suspension system, control method and vehicle |
| CN113212092B (en) * | 2021-05-17 | 2024-03-19 | 江苏大学 | Braking energy recovery system for air suspension energy storage and adjustment and control method |
| CN113635773B (en) * | 2021-09-17 | 2023-05-02 | 北华大学 | Braking energy recovery system and control method for airport ferry vehicle |
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| CA1214088A (en) * | 1978-12-08 | 1986-11-18 | William S. Heggie | Engine control systems |
| DE19515895A1 (en) * | 1995-04-29 | 1996-10-31 | Bosch Gmbh Robert | Compressed air supply device for vehicle compressed air systems and method for controlling the compressed air supply device |
| GB9818386D0 (en) * | 1998-08-25 | 1998-10-21 | Wabco Automotive Uk | Air dryer |
| US6971463B2 (en) * | 2002-12-23 | 2005-12-06 | Cnh America Llc | Energy recovery system for work vehicle including hydraulic drive circuit and method of recovering energy |
| DE102005061991A1 (en) * | 2005-12-23 | 2007-07-05 | Bosch Rexroth Aktiengesellschaft | Hydrostatic drive in particular for commercial vehicle, comprises hydro-pump for storage and recycling of energy |
| CN102390263B (en) * | 2011-09-30 | 2013-09-25 | 江苏大学 | Comprehensive recovery system of hydraulic car brake energy and hanger bracket vibration energy |
| CN104249715B (en) * | 2014-09-15 | 2017-12-15 | 郑州宇通客车股份有限公司 | Bus Brake energy recovery regenerates hydraulic system |
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