CN107187314A - Electric motor coach steering pump and air compressor machine power taking system and its control method - Google Patents
Electric motor coach steering pump and air compressor machine power taking system and its control method Download PDFInfo
- Publication number
- CN107187314A CN107187314A CN201710344754.2A CN201710344754A CN107187314A CN 107187314 A CN107187314 A CN 107187314A CN 201710344754 A CN201710344754 A CN 201710344754A CN 107187314 A CN107187314 A CN 107187314A
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- China
- Prior art keywords
- magnetic powder
- powder cluth
- air compressor
- compressor machine
- gear
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Classifications
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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
- B60K25/06—Auxiliary drives from the transmission power take-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/104—Output speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/30—Auxiliary equipments
Abstract
The invention discloses a kind of electric motor coach steering pump and air compressor machine power taking system and its control method, the system includes entire car controller, traction electric machine and its controller, automatic gear-box, air compressor machine body, steering pump body, power takeoff, first gear, second gear, the first magnetic powder cluth and the second magnetic powder cluth；Power takeoff is arranged in automatic gear-box, its output end is provided with first gear, second gear side by side, the latter two are connected with the first magnetic powder cluth, the second magnetic powder cluth respectively, and the first magnetic powder cluth, the second magnetic powder cluth are respectively connecting to air compressor machine body, steering pump body again.The control method includes air compressor machine rate-determining steps and steering pump rate-determining steps, and wherein air compressor machine rate-determining steps are by the combination degree of the magnetic powder cluth of vehicle control unit controls first, and adjustment braking pressure is in required scope；Steering pump rate-determining steps by control the second magnetic powder cluth importation and the combination degree of output par, c there is provided required steering force.
Description
Technical field
The present invention relates to a kind of pure electric coach, particularly relate to a kind of electric motor coach steering pump and air compressor machine power taking system and
Its control method.
Background technology
Pure electric coach generally provides power steering by electric hydraulic power-assisted steering pump, including turns to pump assembly, turns to electricity
Machine and steering motor controller, the output shaft of steering motor are connected with turning to the pump shaft of pump assembly, and concrete structure is in Chinese patent
Discussed in the documents such as CN201620011636.0, typically, 6~12 meters of electric motor coach electric powered steering motors are in 1~3KW.
Chinese patent CN201511002908.7 discloses a kind of integral new-energy passenger brush DC type electric hydaulic power-assisted and turned
To pump and its control method, in the program, car is provided with the angular transducer of detection steering wheel rotational angle, obtains work as in real time
Front direction disk corner value, and detect whether current steering wheel angle value is more than set angle angle value, steering controller is believed according to angle
The rotating speed of number closed-loop control steering motor assembly.
Pure electric coach vehicle opens door pump and braking gas source is generally produced by electric compressor, and 6~12 meters pure electronic
The typical electric compressor of car is between 1.5~4KW, as described in Chinese patent CN201610003583.2.
Air compressor machine and electric hydraulic power-assisted steering pump are respectively by independent DC/AC inverters by vehicle dc source (allusion quotation
Offset is between 336~630V) inversion is to drive respective motor and independent control after alternating current.Its part is scattered, system collection
It is low into spending, and cost is high (two independent DC/AC inverter costs are higher), takes vehicle effective volume and adds weight.
Also have by the way of combination pump, as described in Chinese patent CN201510781319.7, by two independent DC/AC
Inverter and motor are integrated into 1 inverter and 1 motor, and the motor is by Driven by inverter, and motor output point and water oil are multiple
Close pump to be connected, and pass through clutch output driving air compressor machine.The program is reducing 1 DC/AC inversion relative to above-mentioned case
Device and 1 motor, have reduced volume, weight and reduce cost.In the program, motor is using conventional 5kW
DC/AC transducer drives, the motor is not used to driving vehicle transmission system (driving vehicle operation)；The oily combination pump of air pump, water
Can not be full decoupled, i.e., it can not realize and only allow air compressor machine to work, and the pattern that the oily combination pump of water is closed, if vehicle air pressure is not enough,
Even if without the demand of steering, water oil combination pump can not also be closed.
Chinese patent CN201610652069.1 proposes a kind of in gearbox output two-way energy stream mode, the first output shaft
Transmission power operate to driving moment after vehicle rear axle, the second output shaft by power takeoff and power transmission shaft export energy to steering/
Air compressor machine integration pump, eliminates 2 DC/DC and 2 low-power machines.There is following drawback in the program：
1) traditional air compressor machine and steering pump are based on, there is load in the case of parts not newly developed can not adjust feelings
Condition, i.e., in continuous driving, air compressor machine has not needed work, but turning to close, if now vehicle air pressure is sufficient
Enough, air compressor machine can not be closed, and can only be unloaded by way of air valve is deflated, and 8~12% rated power load are still lost；
2) or air compressor machine needs work, vehicle is in operating mode of running at high speed, according to automobile theory iting can be seen from, now vehicle reality
Steering torque demand needed for border less, but because steering pump is fixedly connected by power transmission shaft, can not now turn down steering-load, no
It can realize according to speed dynamic regulation steering power function, be unfavorable for energy-conservation.
3) program traction electric machine and vehicle transmission system direct-coupling, it is undeclared whether support to spin when original place is not driven a vehicle to
Situation, only needs to spin to traction electric machine must be operated, and vehicle is inherently moved, it is impossible to realize original place if original place is not driven a vehicle
Turn to.Actually when workshop gap is smaller before and after the locations such as narrow and small city parking position, vehicle distances, there is pivot stud
Possibility, now wheel do not allow motion (easily with other vehicle contacts), it is necessary to original place spin to.
The content of the invention
, should it is an object of the invention to provide a kind of electric motor coach steering pump and air compressor machine power taking system and its control method
System turns to directly from automatic gear-box power taking and braking function can be carried out independently.
To achieve the above object, the electric motor coach steering pump and air compressor machine power taking system designed by the present invention, including vehicle
Controller (Vehicle control unit, abbreviation VCU), traction electric machine and its controller, automatic gear-box, air compressor machine body
(referring to the air compressor machine without motor), steering pump body (referring to the hydraulic steering pump without motor), power takeoff, first gear, second
Gear, the first magnetic powder cluth and the second magnetic powder cluth；The power takeoff is connected with the jackshaft of automatic gear-box, for from
Automatic gear-box obtains power；The first gear, second gear are arranged on the output end of power takeoff side by side；First magnetic
The input shaft of powder clutch is connected with first gear, the output shaft of first magnetic powder cluth and the input of air compressor machine body
It is connected；The input shaft of second magnetic powder cluth is connected with second gear, and the output shaft of second magnetic powder cluth is with turning
It is connected to the input of pump body；The traction motor controller, automatic gear-box, the first magnetic powder cluth and the second magnetic from
The respective communication control interface of clutch is connected with entire car controller respectively.
Invention also provides foregoing electric motor coach steering pump and the control method of air compressor machine power taking system, including pneumatics
Machine rate-determining steps and steering pump rate-determining steps, the air compressor machine rate-determining steps pass through the magnetic powder cluth of vehicle control unit controls first
Combination degree, to adjust the input speed of air compressor machine body, make braking pressure be maintained at needed for scope in；The steering pump
Rate-determining steps are by the importation of the magnetic powder cluth of vehicle control unit controls second and the combination degree of output par, c, to adjust
There is provided the steering force of required size for the input speed of steering pump body.
Preferably, the air compressor machine rate-determining steps include：
1) before vehicle start, if entire car controller detects braking pressure deficiency, driving is not allowed, entire car controller is neglected
Slightly put into gear and operate and automatic gear-box is maintained at neutral；After driver's bend the throttle, traction electric machine idle running, full-vehicle control
Device controls the first magnetic powder cluth excitation to be engaged the importation of the latter and output par, c, the torque of traction electric machine via
Automatic gear-box, power takeoff, first gear, the first magnetic powder cluth pass to air compressor machine body, drive the operating of air compressor machine body,
Improve braking pressure；Air pressure to be braked, which is brought up to, to be met after safety requirements, recovers function of putting into gear, it is allowed to vehicle driving；
2) in driving conditions, the exciting current size of the magnetic powder cluth of vehicle control unit controls first (can be encouraged by changing
Magnetic current duty cycle is adjusted) combination degree of magnetic powder cluth is adjusted, and then adjust the input speed of air compressor machine body, make
Braking pressure is kept within the required range；
Preferably, the steering pump rate-determining steps include：
1) entire car controller is judged Vehicular turn pattern, can specifically be judged by steering wheel angle sensor
Or the method provided by the present invention is judged；
If 2) in activation pattern is turned to, vehicle control unit controls the second magnetic powder cluth excitation makes the importation of the latter
It is engaged with output par, c, traction electric machine torque is via automatic gear-box, power takeoff, second gear, the second magnetic powder cluth
Steering pump body is passed to, power steering is activated；The exciting current size that entire car controller passes through the second magnetic powder cluth of control
(can be adjusted by changing exciting current dutycycle) adjusts the combination degree of the second magnetic powder cluth, and then adjusts steering pump
The input speed of body, the steering force needed for obtaining；
If 3) in pattern is steered off, the exciting current of the magnetic powder cluth of vehicle control unit controls second is minimized,
Make importation and the output par, c separation of the second magnetic powder cluth, now steering pump body does not work.
Preferably, in the air compressor machine rate-determining steps, when improving braking pressure before vehicle start, vehicle control unit controls
Traction electric machine is in constant rotational speed, and the first magnetic powder cluth exciting current is reached maximum, the input of the first magnetic powder cluth
It is fully engaged against with output par, c, braking pressure is quickly improved, reduces driver's stand-by period.
Preferably, the steering activation pattern is divided into pivot stud pattern and driving steering pattern；If detecting simultaneously full
It is enough lower condition：A) electricity success in high pressure, b) effectively, c) driver hangs neutral to parking switch, and d) brake pedal aperture is 0, e)
Accelerator pedal aperture makes it have larger aperture more than setting value, and f) automatic gear-box output rotating speed is 0, then activates original place
Steering pattern；If detecting while meeting following condition：I) electricity success, II in high pressure) parking switch releases, III) accelerator pedal
Or the aperture of brake pedal is not 0, IV) driver hangs forward gear or reverse gear shift, V) self-changing gearbox input shaft, output
Rotating speed is not 0, then activation driving steering pattern.
Explanation on aperture：Accelerator pedal, the aperture of brake pedal are recognized when being less than minimum opening value (such as 1%) of setting
Be 0 for aperture, more than or equal to setting minimum opening value when to think aperture be not 0 or more than 0.
Preferably, if detect vehicle accelerator pedal aperture, brake pedal aperture, automatic gear-box output rotating speed and from
Dynamic transmission input shaft rotating speed is 0, and parking switch is effectively, then enters and steer off pattern.
Preferably, during pivot stud mode activation, vehicle control unit controls traction electric machine is in constant rotational speed, and makes second
Magnetic powder cluth exciting current reaches maximum, and the input of the second magnetic powder cluth and output par, c are fully engaged against, larger to provide
Steering force, to meet pivot stud demand.
Preferably, in driving conditions, entire car controller searches what is pre-established according to the output rotating speed of automatic gear-box
Automatic gear-box export the magnetic powder cluth exciting current dutycycle of rotating speed-the second MAP table, in real time adjustment the second magnetic from
The exciting current of clutch.
Preferably, in driving conditions, entire car controller is searched pre- according to the output rotating speed of braking pressure, automatic gear-box
The braking pressure first set up-automatic gear-box exports the MAP table of the magnetic powder cluth exciting current dutycycle of rotating speed-the first,
The exciting current of the first magnetic powder cluth is adjusted in real time.Usual output shaft of gear-box rotating speed is relatively low and during relatively low braking pressure,
Vehicle control unit controls the first magnetic powder cluth dutycycle is larger, when output shaft of gear-box rotating speed is medium and higher and braking pressure
When higher, vehicle control unit controls the first magnetic powder cluth duty is smaller.
Preferably, when braking pressure is too high, for example, braking pressure is detected close to vehicle control unit controls during the upper limit first
Magnetic powder cluth exciting current is gradually reduced, and reaches and minimum exciting current is kept after the upper limit；Automatic gear-box output shaft turn up
To after higher rotation speed, the second magnetic powder cluth of vehicle control unit controls exciting current is smaller value；Ensure steering pump body and sky
Press body energy consumption is minimum.
Preferably, before vehicle start, when air compressor machine body or this body running of steering pump, traction electric machine is in rotating speed and controls mould
Formula；In driving conditions, in addition to traction electric machine is in rotating speed control mode when gear shift operation, other times are in direct torque mould
Formula.
The beneficial effects of the invention are as follows：
1) present invention by using electric motor coach after automatic gear-box jackshaft power taking by power takeoff and two gears,
Two magnetic powder cluths are independently embodied as air compressor machine body and steering pump body provides power, while automatic gear-box output shaft connects
Power transmission shaft rear-guard motor-car is connect to advance or retreat；
2) vehicle control unit controls traction electric machine is in rotating speed or torque mode, coordinates automatic gear-box shift control to realize
Pivot stud, original place driving air compressor machine body, can dynamic regulation steering pump body and air compressor machine this Systemic Burden, steering pump in driving
Body and air compressor machine body are independently decoupled, and flexibility is high.
3) relative to existing electric powered steering pump and electric compressor scheme, it is inverse that the present invention reduces by two independent DC/AC
Become device and two small-power steering pumps or air compressor motor, optimize arrangement space, alleviate complete vehicle weight, and effectively drop
Low cost.
Brief description of the drawings
Fig. 1 is the electric motor coach steering pump and the structural representation of air compressor machine power taking system designed by the present invention.
Fig. 2 is bent for the exciting current and moment of torsion of magnetic powder cluth (including the first magnetic powder cluth and second magnetic powder cluth)
Line.
Fig. 3 is that the braking pressure-automatic gear-box output magnetic powder cluth exciting current dutycycle of rotating speed-the first MAP shows
It is intended to, the concrete numerical value such as D11 (Duty cycle dutycycles) is determined by experiment in figure, is become according to vehicle own situation.
Fig. 4 is the MAP schematic diagrames that automatic gear-box exports the magnetic powder cluth exciting current dutycycle of rotating speed-the second.
Fig. 5 is the logical flow chart of vehicle control unit controls the first magnetic powder cluth exciting current function.
Fig. 6 is the logical flow chart of vehicle control unit controls turning function state switching.
Wherein：Entire car controller 101, traction electric machine 201, traction motor controller 202, automatic gear-box 301, power takeoff
302nd, power transmission shaft 401, vehicle drive axle 501, first gear 601, second gear 602, the first magnetic powder cluth 701, the second magnetic
Powder clutch 702, air compressor machine body 801, steering pump body 802
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, electric motor coach steering pump and air compressor machine power taking system designed by the present invention, including entire car controller
101 (Vehicle control unit, lower abbreviation VCU), traction electric machine 201 (contains traction motor controller 202), fluid drive
Case 301, power takeoff 302, first gear 601, second gear 602, the first magnetic powder cluth 701, air compressor machine body 801 is (in Fig. 1
Air compressor machine), the second magnetic powder cluth 702 and steering pump body 802 (steering pump in Fig. 1).
Wherein, traction motor inverter output three-phase alternating current electric drive traction electric machine 201 works, traction electric machine 201 it is defeated
Shaft is connected with the input shaft of automatic gear-box 301；Automatic gear-box 301 is output as two-way, and the first via passes through fluid drive
Vehicle drive axle 501 (propons or back axle) is reconnected after output shaft (being influenceed by gear) the connection power transmission shaft 401 of case 301；The
Two route gearbox jackshaft (not influenceed by gear) connection power takeoffs 302, power takeoff 302 is exported again gives the He of first gear 601
Second gear 602, the connection input shaft of the first magnetic powder cluth 701 of first gear 601, the output shaft of the first magnetic powder cluth 701 connects
Air compressor machine body 801 is connect, the output squeezing air of air compressor machine body 801 to vehicle air accumulator (is not drawn into) in figure；Second gear 602
The input shaft of the second magnetic powder cluth 702 is connected, the output shaft of the second magnetic powder cluth 702 is connected with the input of steering pump body 802.
Automatic gear-box 301 is in when reversing gear, steering phase of the traction electric machine 201 in vehicle backing operating mode and advance operating mode
Together, it is ensured that steering pump body 802 and air compressor machine body 801 turn to identical in advance and reversing.Automatic gear-box 301 is in sky
During gear, traction electric machine 201 is rotated but output shaft of gear-box rotating speed is 0, and vehicle, which does not advance, also not to fall back, it is possible to achieve pirouette
To with inflate.
Magnetic powder cluth by VCU adjust exciting current very easily control torque to transmit, as shown in Fig. 2 magnetic from
It is in good linear relationship that clutch, which transmits torque with exciting current, is directly proportional to exciting current in quite wide scope.By
Be the foundation with exciting current and magnetic field in torque and set up, by one section it is extremely short without the response time after, substantially by linear
What rule rose.
Traction motor controller 202, automatic gear-box 301, the first magnetic powder cluth 701 and the second magnetic powder cluth 702
Respective communication control interface (communication interface or control interface) is connected with entire car controller 101 respectively.VCU controls fluid drive
Case 301 is in neutral (N) or forward gear (D) or reversed gear (R), and parses driver's drive demand control traction motor controller
202 work.The output of pulse signal that the OSS of automatic gear-box 301 is sent gives VCU pulse acquisition circuits,
VCU calculates the rotating speed and obtains the rotating speed of the traction electric machine 201 i.e. input shaft rotating speed of automatic gear-box 301 according to CAN message.
Entire car controller 101 obtains vehicle brake piping air pressure (i.e. braking pressure), can pass through instrument to collect brake pipe
Obtained, itself analog acquisition can be also obtained by entire car controller 101 by CAN message after the air pressure of road.
Traction motor controller 202 possesses rotating speed and torque control model, and torque is in addition to gearshift in normal driving
Control model.Whether VCU is according to vehicle brake piping atmospheric pressure value when the starting stage does not drive a vehicle and be pivot stud mode requirement control
Traction motor controller 202 processed is in rotating speed control mode, i.e. traction electric machine 201 and operated in constant rotational speed.
The present embodiment additionally provides the control method of foregoing electric motor coach steering pump and air compressor machine power taking system, including pneumatics
Machine rate-determining steps and steering pump rate-determining steps, are described as follows.
1) air compressor machine rate-determining steps：
As shown in figure 5, before vehicle start, if electricity success in high pressure, if entire car controller 101 detects braking pressure not
Foot, then do not allow driving, even if driver hangs forward gear (D) or reversed gear (R), entire car controller 101 can also ignore the behaviour that puts into gear
Make, while making automatic gear-box 301 be maintained at neutral, and point out braking pressure not enough in instrument.Driver steps on acceleration and stepped on
(after interval (0~80%] in), traction electric machine 201 is in setting speed (representative value such as 1800rpm) idle running for aperture for plate.Vehicle control
The control of device 101 excitation of first magnetic powder cluth 701 processed is engaged the importation of the latter and output par, c, traction electric machine
201 torque passes to pneumatics via automatic gear-box 301, power takeoff 302, first gear 601, the first magnetic powder cluth 701
Machine body 801, drives air compressor machine body 801 to operate, and improves braking pressure.To improve braking pressure as early as possible, driver etc. is reduced
The time is treated, during being somebody's turn to do, the control exciting current of the first magnetic powder cluth 701 reaches maximum, the input of the first magnetic powder cluth 701
It is fully engaged against with output par, c.Air pressure to be braked, which is brought up to, to be met after safety requirements, recovers function of putting into gear, it is allowed to vehicle driving,
Driver needs to hang D gears again or R keeps off and could driven a vehicle.Why need to put into gear again, please when being to prevent that driver is initial
Seek forward gear, it is invalid that entire car controller is thought to put into gear, air pressure has made entire car controller effective vehicle of thinking to put into gear and entered and advance
Gear pattern, does not discover if driver steps on accelerator pedal air pressure and makes to settle, it is easy to cause vehicle preshoot, produces dangerous.
In driving conditions, entire car controller 101 controls the exciting current size of the first magnetic powder cluth 701 to adjust magnetic
The combination degree of clutch, and then the input speed of air compressor machine body 801 is adjusted, braking pressure is kept within the required range.
2) steering pump rate-determining steps：
Entire car controller 101 is judged Vehicular turn pattern.
If in activation pattern is turned to, the control of entire car controller 101 excitation of second magnetic powder cluth 702 makes the input of the latter
Part and output par, c are engaged, and the torque of traction electric machine 201 is via automatic gear-box 301, power takeoff 302, second gear
602nd, the second magnetic powder cluth 702 passes to steering pump body 802, activates power steering.Entire car controller 101 passes through control the
The exciting current size of two magnetic powder cluths 702 adjusts the combination degree of the second magnetic powder cluth 702, and then adjusts steering pump
The input speed of body, the steering force needed for obtaining.
If in the pattern that steers off, entire car controller 101 controls the exciting current of the second magnetic powder cluth 702 to be down to most
It is small, make importation and the output par, c separation of the second magnetic powder cluth 702, now steering pump body 802 does not work.
The judgement of steering pattern and its switching time, conventional method passes through installation direction disk rotary angle transmitter and its attached machine
Structure is fed back.For non-installation direction disk rotary angle transmitter and its vehicle of subsidiary body, method as shown in Figure 6 can be used
Judged, be described as follows：
If detecting vehicle accelerator pedal aperture, brake pedal aperture, automatic gear-box output rotating speed and fluid drive
Case input shaft rotating speed is 0, and parking switch is effectively, then enters and steer off pattern.Turn to activation pattern and be divided into pivot stud
Pattern and driving steering pattern pattern.
If detecting while meeting following condition：A) electricity success in high pressure, b) effectively, c) driver hangs empty parking switch
Gear, d) brake pedal aperture is 0, e) accelerator pedal aperture 80%~100%, and f) automatic gear-box output rotating speed is 0, then swashs
Pivot stud pattern living.Now the control of entire car controller 101 dutycycle of second magnetic powder cluth 702 reaches maximum, realizes complete
Occlusion, and control traction motor controller to be in rotating speed control mode, it is operated in foregoing setting speed.
If detecting while meeting following condition：I) electricity success, II in high pressure) parking switch releases, III) accelerator pedal or
The aperture of person's brake pedal is not 0, IV) driver hangs forward gear or reverse gear shift, V) self-changing gearbox input shaft, output shaft
Rotating speed is not 0, then activation driving steering pattern.
When above trigger condition is not fully met, state where maintaining is constant, refers to state switching figure described in Fig. 6.
The steering pattern determination methods accelerate and brake pedal according to parking switch, transmission input shaft output rotating speed
Judge that driver turns to demand, eliminates the higher steering wheel angle sensor of cost and subsidiary body Deng indirectly.
3) energy optimization of air compressor machine, steering pump
As shown in figure 3, in driving conditions, entire car controller 101 is according to braking pressure, the output shaft of automatic gear-box 301
Rotating speed searches the braking pressure-automatic gear-box output magnetic powder cluth exciting current dutycycle of rotating speed-the first pre-established
MAP table, in real time adjustment the first magnetic powder cluth 701 exciting current.The MAP table is determined by testing, and can be used such as
Lower method：Control automatic gear-box output shaft in a certain rotating speed, adjust the exciting current of the first magnetic powder cluth, ensure braking
On the premise of effect and other supply demands, minimum exciting current dutycycle is obtained；Turn in different automatic gear-box output shafts
Speed is lower to be tested, and obtains the MAP table fully optimized to air compressor machine energy consumption.In driving the first magnetic is adjusted with reference to the MAP table
The exciting current of powder clutch, can significantly reduce the energy consumption of air compressor machine body.
As shown in figure 4, in driving conditions, entire car controller 101 is searched pre- according to the output rotating speed of automatic gear-box 301
The automatic gear-box first set up exports the MAP table of the magnetic powder cluth exciting current dutycycle of rotating speed-the second, and the is adjusted in real time
The exciting current of two magnetic powder cluths 702.The MAP table is determined by testing, and can be adopted with the following method：Control automatic gear-box
Output shaft adjusts the exciting current of the second magnetic powder cluth in a certain rotating speed, on the premise of turning efficiency is ensured, obtains minimum
Exciting current dutycycle；Tested, obtained fully excellent to steering pump energy consumption under different automatic gear-box output rotating speeds
The MAP table of change.The exciting current of the second magnetic powder cluth is adjusted in driving with reference to the MAP table, steering can be significantly reduced
The energy consumption of pump body.
When original place is inflated with pivot stud, traction electric machine 201 is operated in low load area, and efficiency is lower slightly, and two kinds of operating modes occur
Ratio is seldom (because vehicle is equipped with air accumulator, unless the not enough situation of braking pressure just occurs in vehicle gas leakage), to overall system
Performance impact of uniting is little.
Claims (10)
1. a kind of electric motor coach steering pump and air compressor machine power taking system, including entire car controller (101), traction electric machine (201), from
Dynamic gearbox (301), air compressor machine body (801) and steering pump body (802), the traction electric machine (201) are provided with traction electricity
Machine controller (202)；It is characterized in that：The system also include power takeoff (302), first gear (601), second gear (602),
First magnetic powder cluth (701) and the second magnetic powder cluth (702)；In the power takeoff (302) and automatic gear-box (301)
Countershaft is connected, for obtaining power from automatic gear-box (301)；The first gear (601), second gear (602) are side by side
It is arranged on the output end of power takeoff (302)；The input shaft of first magnetic powder cluth (701) is connected with first gear (601),
The output shaft of first magnetic powder cluth (701) is connected with the input of air compressor machine body (801)；Described second is magnetic powder clutched
The input shaft of device (702) is connected with second gear (602), output shaft and the steering pump sheet of second magnetic powder cluth (702)
The input of body (802) is connected；The traction motor controller (202), automatic gear-box (301), the first magnetic powder cluth
(701) it is connected respectively with entire car controller (101) with the second magnetic powder cluth (702) respective communication control interface.
2. a kind of control method of electric motor coach steering pump as claimed in claim 1 and air compressor machine power taking system, its feature exists
In：This method includes air compressor machine rate-determining steps and steering pump rate-determining steps；The air compressor machine rate-determining steps pass through entire car controller
(101) combination degree of the first magnetic powder cluth of control (701), to adjust the input speed of air compressor machine body (801), makes braking
Air pressure is maintained in required scope；The steering pump rate-determining steps are magnetic powder clutched by entire car controller (101) control second
The importation of device (702) and the combination degree of output par, c, come the input speed that adjusts steering pump body (802), there is provided institute
Need the steering force of size.
3. the control method of electric motor coach steering pump according to claim 2 and air compressor machine power taking system, it is characterised in that：
The air compressor machine rate-determining steps include：
1) before vehicle start, if entire car controller (101) detects braking pressure deficiency, driving, entire car controller are not allowed
(101) ignore to put into gear and operate and automatic gear-box (301) is maintained at neutral；After driver's bend the throttle, traction electric machine
(201) dally, entire car controller (101) control the first magnetic powder cluth (701) excitation makes the importation and output section of the latter
Point be engaged, the torque of traction electric machine (201) via automatic gear-box (301), power takeoff (302), first gear (601),
First magnetic powder cluth (701) passes to air compressor machine body (801), drives air compressor machine body (801) operating, improves braking gas
Pressure；Air pressure to be braked, which is brought up to, to be met after safety requirements, recovers function of putting into gear, it is allowed to vehicle driving；
2) in driving conditions, entire car controller (101) controls the exciting current size of the first magnetic powder cluth (701) to adjust magnetic
The combination degree of powder clutch, and then the input speed of air compressor machine body (801) is adjusted, braking pressure is maintained at required scope
It is interior.
4. the control method of electric motor coach steering pump according to claim 2 and air compressor machine power taking system, it is characterised in that：
The steering pump rate-determining steps include：
1) entire car controller (101) is judged Vehicular turn pattern；
If 2) in activation pattern is turned to, entire car controller (101) control the second magnetic powder cluth (702) excitation makes the latter's defeated
Enter part and output par, c is engaged, traction electric machine (201) torque is via automatic gear-box (301), power takeoff (302), the
Two gears (602), the second magnetic powder cluth (702) pass to steering pump body (802), activate power steering；Entire car controller
(101) by controlling the exciting current size of the second magnetic powder cluth (702) to adjust the combination of the second magnetic powder cluth (702)
Degree, and then adjust the input speed of steering pump body, the steering force needed for obtaining；
If 3) in the pattern that steers off, entire car controller (101) controls the exciting current of the second magnetic powder cluth (702) to be down to
Minimum, makes importation and the output par, c separation of the second magnetic powder cluth (702), now steering pump body (802) does not work.
5. the control method of electric motor coach steering pump according to claim 3 and air compressor machine power taking system, it is characterised in that：
In the air compressor machine rate-determining steps, when improving braking pressure before vehicle start, entire car controller (101) control traction electric machine
(201) constant rotational speed is in, and the first magnetic powder cluth (701) exciting current is reached maximum, the first magnetic powder cluth (701)
Input and output par, c be fully engaged against, make braking pressure as early as possible speed improve.
6. the control method of electric motor coach steering pump according to claim 4 and air compressor machine power taking system, it is characterised in that：
The steering activation pattern is divided into pivot stud pattern and driving steering pattern；
If detecting while meeting following condition：A) electricity success in high pressure, b) effectively, c) driver hangs neutral to parking switch, d)
Brake pedal aperture is 0, and e) accelerator pedal aperture is more than setting value, and f) automatic gear-box output rotating speed is 0, then activates original place
Steering pattern；
If detecting while meeting following condition：I) electricity success, II in high pressure) parking switch releases, III) accelerator pedal or system
The aperture of dynamic pedal is not 0, IV) driver hangs forward gear or reverse gear shift, V) self-changing gearbox input shaft, output rotating speed
It is not 0, then activates driving steering pattern.
7. the control method of electric motor coach steering pump according to claim 4 and air compressor machine power taking system, it is characterised in that：
If detecting vehicle accelerator pedal aperture, brake pedal aperture, automatic gear-box output rotating speed and self-changing gearbox input shaft
Rotating speed is 0, and parking switch is effectively, then enters and steer off pattern.
8. the control method of electric motor coach steering pump according to claim 4 and air compressor machine power taking system, it is characterised in that：
During pivot stud mode activation, entire car controller (101) control traction electric machine is in constant rotational speed, and makes the second magnetic powder cluth
(702) exciting current reaches maximum, and the second magnetic powder cluth (702) input and output par, c are fully engaged against, larger to provide
Steering force.
9. the control method of electric motor coach steering pump according to claim 6 and air compressor machine power taking system, it is characterised in that：
In driving conditions, entire car controller (101) searches the automatic change pre-established according to the output rotating speed of automatic gear-box (301)
Fast case exports the MAP table of the magnetic powder cluth exciting current dutycycle of rotating speed-the second, in real time the second magnetic powder cluth of adjustment
(702) exciting current.
10. the control method of electric motor coach steering pump according to claim 3 and air compressor machine power taking system, its feature exists
In：In driving conditions, entire car controller (101) is searched advance according to the output rotating speed of braking pressure, automatic gear-box (301)
The braking pressure of foundation-automatic gear-box exports the MAP table of the magnetic powder cluth exciting current dutycycle of rotating speed-the first, real
When adjust the exciting currents of the first magnetic powder cluth (701).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710344754.2A CN107187314B (en) | 2017-05-16 | 2017-05-16 | Electric motor coach steering pump and air compressor machine power taking system and its control method |
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| CN201710344754.2A CN107187314B (en) | 2017-05-16 | 2017-05-16 | Electric motor coach steering pump and air compressor machine power taking system and its control method |
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| CN107187314B CN107187314B (en) | 2019-06-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108238044A (en) * | 2018-01-31 | 2018-07-03 | 瑞立集团瑞安汽车零部件有限公司 | A kind of energy-saving electric compressor and steering pump control system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH675229A5 (en) * | 1989-03-29 | 1990-09-14 | Eredi Fu Pietro Zanzi | Versatile load carrying vehicle - has power transmission system with gearbox, clutch, double PTO, reversing and speed reduction sections |
| KR20000028747A (en) * | 1998-10-02 | 2000-05-25 | 오오께 오사무 | Vehicle with auxiliary traveling device |
| US20060137484A1 (en) * | 2004-12-28 | 2006-06-29 | Seipold John M | Rear power takeoff |
| CN201109368Y (en) * | 2007-11-30 | 2008-09-03 | 湖北亚川汽车齿轮集团有限公司 | Power take-off device for gear box of cleaning vehicle |
| CN201610080U (en) * | 2010-01-13 | 2010-10-20 | 中国重汽集团济南动力有限公司 | Direct-connected power takeoff assembly |
| CN103287260A (en) * | 2013-05-21 | 2013-09-11 | 潍柴动力股份有限公司 | Hybrid electric vehicle and driving device thereof |
| CN203372285U (en) * | 2013-06-14 | 2014-01-01 | 浙江吉利汽车研究院有限公司杭州分公司 | Automatic-control power-assisted steering pump system |
| CN105437958A (en) * | 2014-09-30 | 2016-03-30 | 包头市北工机械有限公司 | Energy-saving all-in-one machine for new energy vehicle |
| CN106080758A (en) * | 2016-08-10 | 2016-11-09 | 潍柴动力股份有限公司 | A kind of hybrid vehicle hydraulic steering pump and the optimization integrated morphology of air compressor machine |
-
2017
- 2017-05-16 CN CN201710344754.2A patent/CN107187314B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH675229A5 (en) * | 1989-03-29 | 1990-09-14 | Eredi Fu Pietro Zanzi | Versatile load carrying vehicle - has power transmission system with gearbox, clutch, double PTO, reversing and speed reduction sections |
| KR20000028747A (en) * | 1998-10-02 | 2000-05-25 | 오오께 오사무 | Vehicle with auxiliary traveling device |
| US20060137484A1 (en) * | 2004-12-28 | 2006-06-29 | Seipold John M | Rear power takeoff |
| CN201109368Y (en) * | 2007-11-30 | 2008-09-03 | 湖北亚川汽车齿轮集团有限公司 | Power take-off device for gear box of cleaning vehicle |
| CN201610080U (en) * | 2010-01-13 | 2010-10-20 | 中国重汽集团济南动力有限公司 | Direct-connected power takeoff assembly |
| CN103287260A (en) * | 2013-05-21 | 2013-09-11 | 潍柴动力股份有限公司 | Hybrid electric vehicle and driving device thereof |
| CN203372285U (en) * | 2013-06-14 | 2014-01-01 | 浙江吉利汽车研究院有限公司杭州分公司 | Automatic-control power-assisted steering pump system |
| CN105437958A (en) * | 2014-09-30 | 2016-03-30 | 包头市北工机械有限公司 | Energy-saving all-in-one machine for new energy vehicle |
| CN106080758A (en) * | 2016-08-10 | 2016-11-09 | 潍柴动力股份有限公司 | A kind of hybrid vehicle hydraulic steering pump and the optimization integrated morphology of air compressor machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108238044A (en) * | 2018-01-31 | 2018-07-03 | 瑞立集团瑞安汽车零部件有限公司 | A kind of energy-saving electric compressor and steering pump control system |
| CN108238044B (en) * | 2018-01-31 | 2023-09-01 | 瑞立集团瑞安汽车零部件有限公司 | Energy-saving electric air compressor and steering oil pump control system |
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| Publication number | Publication date |
|---|---|
| CN107187314B (en) | 2019-06-07 |
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Effective date of registration: 20220321 Address after: Building 3, Jinfeng Road, Dongfeng Automobile Avenue, high tech Zone, Xiangyang City, Hubei Province Patentee after: DONGFENG AUTOMOBILE Co.,Ltd. Address before: 441004 building 3, Jinfeng Road, Dongfeng Automobile Avenue, high tech Zone, Xiangfan City, Hubei Province Patentee before: DONGFENG XIANGYANG TOURING CAR Co.,Ltd. |