Speed cruising control device of oil-electric mixed power electric vehicle

The oil motor hybrid electric vehicle cruise speed control device

technical field

The utility model claims a vehicle speed control domain's a cruise speed control device, speaking particularly relates is a dual motor oil motor hybrid electric vehicle cruise speed control device. The technological background is configured the vehicle has good driving comfortableness, the people provided with a cruise function of the vehicle control policy. The long-term moving when the highway, rear turning on the cruise control system steering control switch, cruise control system according to resistance to traction automatic floating damper opening, a making the vehicle moving speed a certain. The can avoid the driver stepping on the accelerator pedal frequently, can ensure the vehicle top of the speed of arranged in advance. The automobile constant speed of the control condition of automatic, reduce the fatigue driving force of which is. Cruise gap control system can automatically maintaining of vehicle speed, comprising avoided the artificial speed of nonessential accelerator pedal, then the improved discharge of fuel economic and machine of automobile. Cruise normal control system and engaged with a sensor, the console switch, device and cruise control ECU. The sensor and a switch and signal cruise control ECU, CONNECTED according to the signal computer damper lower openings, and sends of the signal to the rotatable, the automatic adjusting damper opening. The sensor comprises the vehicle speed sensor and damper position sensor and gate control rocker arm sensor, for measuring the vehicle speed, the damper position and gate control arm shaft is respectively. The console switch mainly composed an operating of, which is provided with a cruise vehicle speed or resets comprising and vehicle speed, and eliminating cruise control are in a. Cruise control ECU is converter AND and output device and protection circuit and a components the processor chip, A/D and D/A composed of. The ECU bearing (e.g. vehicle speed sensor) and switches' the signals of each sensor, deals with according to storage program in advance. The vehicle cruise speed of vehicle speed deviation set, a rotatable an electrical signal, a actuator's move, making the operation speed and lower vehicle speed of. The rotatable conversion the current or the voltage signal of ECU output of the mechanical move, then controls the opening of damper, achieves before the control vehicle speed the target. The device for at any one of two types, the is a vacuum driving, and a is a motor. The front is provided with a damper of the negative pressure,

The back is provided with a damper of the directional up-down movements. The utility model cruise control avoiding for mechanical implementing mechanism through the damper comprises an adjusting motor speed, so the cruise function, comprising a result of mechanical implementing agency's and delay and machine response's natural delay, the utility cruise control with multiple limiting when the tape pulling, for example, wherein the pavement behavior is difference, the wind speed change is large, the inner cruise speed and speed differ is, a cruise function gate can or can improve the vehicle fuel economic. The utility model description a cruise speed control device of oil motor hybrid electric vehicle using, the servo of the servo motor for responding, overcame of the traditional avoiding the speed of reaction is buffer very well, evenly precision low, a fuel economic improved limiting shortcoming, and which is inexpensive, is convenient for promotion. The invention the utility model claims a target is adhered to the oil motor hybrid electric vehicle cruise speed control device, under the control of corresponding control method, the device has the following: function(1 )Capable of the vehicle and opened when the set speed, a plurality of a load device for resistance variable spiral fierce can kettle of the high-precision cruise speed; (2 )Is negative floor of changing is fierce kettle, holding emitting opportunity the angle is changed layers; the engine to work of the best economy curve, realizing better fuel oil economical performance; (3 )Is broader cruise speed regulating belt and faster adjusting responsiveness; (4 )And a cruise speed regulating is unfolded, simplicity of operator, wherein the driving performance. The utility model is the speed of oil motor hybrid electric vehicle patrols the ^t control device, for controlling the first and second motor first servo driving wheel and second servo driver, the energy-saving power unit and direct-current bus comprises engine and machine control unit and machine economy control unit, the first and second motor are respectively, and a bus voltage detection and PID control unit. The first motor is constituted by a first 22, nd rotary, wherein the first rotor and output shaft of, wherein the first rotor is provided with for a motor-field's permanent magnetic rod; the first rotating shaft is equipped with a first speed/position sensor; On the first motor and rotor is provided with a winding motor; the winding the electric connected with the first servo driving wheel through a ring of coaxial mounting, the second rotary shaft is formed output differential device; The second motor stator mounted on the fixed seat; said of the armature wheel, a second motor rotor for the device third rotor, the third rotor is provided with for a motor-field's permanent magnetic pole. The third rotating shaft and second rotor coaxial, the third rotating shaft is equipped with a second speed/position sensor. The engine economy control unit for controlling the first servo driving wheel and first motor exerts a load to the engine according to the best claim economy; the first motor and a claims a drive power to the hybrid electric vehicle with the second motor. Direct-current bus type energy storing device,

First and second servo driving wheel and a bus voltage detection and PID control unit is connected; the bus voltage detection and PID control unit is used to control the second motor output shaft of the rectangular. Cruise control device further - comprising cruise control unit: An end on the cruise control to the vehicle speed, a cruise control unit direct to be the vehicle speed to control the second motor rotation speed or a torque through a second servo driver, to realize to need a cruise control of vehicle speed; Energy of energy or output device and when condition setting or load situation rapid changing, the second motor be a spring and an unit is direct-current bus type or supply, a to realize a cruise control spring energy requirements. The cruise speed control device further - comprising a main control unit; when selecting cruise control, a main control unit for controlling the work of changing of engine according to the energy storing device charging power demand signal and according to the drive power demand signal of the vehicle condition obtains through the engine control unit slowly, thus of a cruise control a long time the energy requirements. A plurality of variation of load fierce situation, a main control unit kettle can sent the opportunity row is changed gently. The cruise speed control device further - comprising a main control device, a main control unit acts according to the external operation) and a on the cruise control; An end on the cruise control, a main control unit acts according to the external cruise control order to a cruise control unit transmission vehicle speed set,)is stopped by bus voltage monitoring and PID control unit for controlling the torque sets of the second servo drive, further comprises a torque sets of cruise control unit and second servo drive. And eliminating cruise control, a main control unit that the cruise control order to limit the cruise control unit for use according to the outer, and is controlled at the lower of the second servo drive of bus voltage monitoring and PID control unit. The upper first motor capable further by the following structure: The first rotor is equipped with a winding motor; the winding the electric connected with the first servo driving wheel through a ring of coaxial mounting; the first rotating shaft is equipped with a first speed/position sensor; The first motor second rotor is provided with a is provided with a motor; talentthe u relating 4c slot; theAnd. The first servo driving wheel and moment is signal from machine economy main control unit and from the first, second speed/the position sensor detection's first motor first, second rotor opposite position signal, subsequently a rectangular the servo motor phasor of mode control first motor armature holder, realizing to the upper part of the first rotating exerts and exerts a load torque to the engine through a first rotary; The second servo drive accepting from the upper concave signal of the main control unit, transmission according to coming from the second speed/the position sensor detection's second motor third rotor level signal; driving the third rotor an output of the second motor. The computer device and machine economy main control unit with the best economy curve of engine, comprising according to the engine speed signal of the first speed/position sensor receiving for receiving the first servo driver moment adjusting value. The direct-current bus and energy-saving power unit with a first, second servo driving wheel and a bus voltage monitoring and PID control unit is connected, and mainly used for storing unnecessary energy or when supporting to the bus conveying storage energy. Bus voltage monitoring and PID control unit according to the bus voltage's monitoring model is fixed under the condition non-cruising the second servo drive moment adjusting value size, and a transmission second servo driving wheel through the main control unit, subsequently controlling the second motor rotor torque. Cruise control unit to came of the main control unit vehicle speed is signal and second speed/the position sensor detection vehicle speed signal of the second servo drive the size of the rectangular fixing value, and a transmission second servo driving wheel through the main control unit, subsequently controlling the second motor rotor torque, the vehicle speed control of a cruise control. The engine control unit accepting the control signal from main control unit, a control machine rotating, thus of whole vehicle operation and a power generator and an equal energy requirements. The main control unit acts according to driver operation, and control to bikes' ring, specifically speaking accepting a cruise control indicating the utility model, a cruise control unit transmission vehicle speed set, accepting position of the second servo drive moment is signal for cruise control unit and bus voltage monitoring and PID control unit sends respectively, and a cruise control or the non-cruise control. At the same time, the main control unit further according to the charging power demand signal and formed of vehicle condition Di the energy-saving power unit sends the secondary drive power demand signal through machine control unit for controlling the engine point. The joint of instructional set is 1 to act according to the utility model oil electric the mixing cruise speed control device implementation carrying structure schematic drawing of electric vehicle. A picture marking tabulation: 1st, Machine control unit, 2, engines; the 3, the first speed/position sensor; the 4, second rotor,

5th, Wherein the first rotor, 6, economy machine control device, 7, headers ring, 8), a main control units; the 9, a first servo drivers, 10, output gear bottom, 11, stators, the 12, third rotor, 13, direct-current bus plates and energy storing device, 14, bus voltage monitoring and PID control unit, an 15, second servo drivers, 16, cruise control units; the 17, second speed/position sensor, a 18, differential device. The detailed description of illustrated embodiments to picture on the fixing seats according to the utility model claims a cruise speed control device implementation carrying structure schematic drawing of oil motor hybrid electric vehicle. The hybrid electric vehicle, the engine 2 of the engine control unit connected control. The first motor capable is a rotary permanent magnet synchronous motor, wherein first rotary 5 mounted on the engine 2 output shaft, wherein the second rotor 4 mounted on the output shaft, thus 10) connected with the differential mechanism through the output gear train 18. The armature wheel on the second rotor 7 and first servo drive 9 connected through the water room of coaxial mounting. The second motor capable of permanent magnet synchronous motor, wherein rotor's 12 is the utility model third rotor, the third rotor 12 and second rotor 4 mountings coaxial, the fixing 11 of the second motor is fixedly cabinet. Mounted on the engine 2 output shaft of the first speed/position sensors 3, a measuring the engine speed and first rotary position. The second rotor 4) and third rotor 12 common shaft, the provided with a second speed/position sensor 17, a measuring the output speed of the spindle (; because transmission ratio is fixed, henceforth speed can obtain vehicle speed) and a second rotary 4 and third rotor 12 positions. The device further - comprising first servo drive 9 and second servo drive 15, they holding of the engine economy control unit (6) is rectangular, signals to control the moment of the first, second motor are respectively; And accepting position of the main control unit 8 control signals, a control first, second motor system for or not.

The device further - comprising bus voltage monitoring and PID control unit 14, wherein a direct-current bus and first servo drive 9, second servo drive 15, direct-current bus type and energy-saving power unit 13 connected. Bus voltage monitoring and PID control unit 14 to 8 three below the main control unit the non-cruising condition the second motor system is rectangular value, and a large-end the main control unit 8 control. Direct-current bus and energy-saving power unit and 13, wherein the inner storage battery management system which of the basic situation of the energy from the direct-current bus type to the storage battery and an, wherein a shaft according to the direct-current bus type voltage situation necessity of the energy transportation of the inner storage battery to the direct-current bus, and 8 claims a charging power demand to the main control unit according to the internal storage battery management system, a capable of changing 8 machine 2) for operating are connected with the main control unit. The vehicle speed is signal of the device further - comprising cruise control unit 16, wherein the second speed/position sensor 17) and vehicle speed signal and a main control unit (8) sends, and on the PID operation, and 8 mirror of the rectangular sets of the second motor system to the main control unit, the vehicle speed control of the main control unit 8, second servo drive 15, second motors is a cruise control. With each other through the following displaying and control method for limiting the control according to the utility model oil motor hybrid electric vehicle cruise speed control device. When the pilots with a chosen the cruises or the cruises are cancelled, a main control units 8 synthesize the pilots is further provided with the charging power demand signal of the accelerator pedal's signal and a direct-current bus and energy-saving power unit sends 13, 1) for controlling the engine 2) is provided with the machine control unit, and 14 controlling the second servo drive 15 rectangular hypotheses through the bus voltage generator of bus voltage monitoring and PID control unit, a satisfy demand power supply and integral balance. And the main control unit 8 to outputting second servo drive 15 rectangular the lower signal door by the spring sleeved to a acceleration dynamic performance requirement according to the angle change of accelerator pedal. When the control device for carrying a cruise control switch and a cruise control, a main control unit (8) in the external cruise control indication, and according to the cruise control order to cruise control unit (16) and vehicle speed hypotheses. And the main control units 8 shut off of bus voltage monitoring and PID control unit (14) for controlling the second servo drive 15 rectangular hypotheses the channel, and then 16) is controlled the moment sets of the second servo drive l5 a cruise control unit. The box, cruise control unit 16 base through from the vehicle speed signal of the main control unit 8 vehicle speed is signal and second speed/position sensor 17 detections, a controlling the p servo drive 15 rectangular hypotheses of the second motor is arranged on the speed of controlling, then the vehicle cruise speed control. For example, when the vehicle speed and on the speed according to the cruise speed claim hypothesis's, wherein the surface, wind speed and a loading station of each or Mou Beam top, the vehicle speed and cruise arranged between the vehicle speed possibly with a deviation. A cruise control unit 16 setup according to the control policy of the deviation saving and a limit (4b the PID control) to control the second motor system moment for the deviation, from the precision of said cruise. When the situation of rapidly, the second motor system for a cruise control; it; Energy according In Haohuo recovery spring a direct-current bus and energy-saving power unit of 13 or absorptions. The avoided the traditional cruise control method such a on the lag and vehicle speed according non-fine adjusting through the engine buffer lifting speed adjusting in the process with, and is inserted a spring and a speed control. And selecting cruise control, a main control unit 8) according to the charging power demand signal and according to the drive power demand signal of the direct-current bus and energy-saving power unit (13) and vehicle condition obtains 1, a control machine 2 operating point through the engine control unit, a of a cruise control and a whole the energy requirements. Horizontal; a be the engine 2 work position, a main control unit 8 wherein the engine 2 operating points to change along the best fuel economic oil curve slowly. A plurality of variation of load fierce situation, a main control unit 8 kettle can sent the opportunity row is changed gently. A making the discharge unable fixed to worsen because of the concave part. ) Of regardless and a cruise operation, the engine economy control unit (6) for controlling the first servo drive throughout 9 and controlling the first motor 2 to the engine to the voltage load according to the best economy claim from the. The main control unit 8) are in a control machine 2 Ting Clamper according to the power demand's; the size of the direct-current bus and energy-saving power unit 13 energy placed state; to obtain economical fuel efficiency.