Utility model content
The purpose of this utility model is, a kind of hybrid power whole-control system is provided, and it can be controlled each system and the parts of motor vehicle driven by mixed power, ensures that car load travels safe, reliable, efficient, energy-conservation.
The utility model is achieved through the following technical solutions: a kind of hybrid power whole-control system, and wherein, described hybrid power whole-control system comprises car load control unit and the electric-only mode control module being connected with described car load control unit, mixed mode control module, signal processing module, high voltage supply administration module, energy management module and CAN module, wherein, described electric-only mode control module is used for controlling drive motor vehicle is moved with pure motoring condition, described mixed mode control module is for coordinating to control the propulsive effort of drive motor and driving engine, and described signal processing module is for receiving and process igniting on-off signal, accelerator pedal signal, brake pedal signal, driving panel incoming signal, air conditioning switch signal, parking brake on-off signal, described high voltage supply administration module is for powering to drive motor, and described energy management module is for controlling discharging and recharging of electrokinetic cell, and described car load control unit is by described CAN module and electric-only mode control module, mixed mode control module, signal processing module, high voltage supply administration module, between energy management module, carry out communication with according to the each parts of car load state of a control control vehicle.
As the further improvement of technique scheme, described hybrid power whole-control system also comprises the system initialization module being connected with described car load control unit, and described system initialization module is for the initialization of electric-only mode control module, mixed mode control module, signal processing module, high voltage supply administration module, energy management module, CAN module.
As the further improvement of technique scheme, described hybrid power whole-control system also comprises the parking power generation mode module being connected with described car load control unit, and described parking power generation mode module is for generating electricity according to the state-of-charge SOC of electrokinetic cell.
As the further improvement of technique scheme, described hybrid power whole-control system also comprises the gearshift control module being connected with described car load control unit, and described gearshift control module is for determining whether to shift gears according to the gearshift logic of predetermining.
As the further improvement of technique scheme, described hybrid power whole-control system also comprises the clutch control module being connected with described car load control unit, and described clutch control module is for determining whether output drive strength of driving engine according to the moving velocity of vehicle.
As the further improvement of technique scheme, described hybrid power whole-control system also comprises the fault diagnosis module being connected with described car load control unit, and described fault diagnosis module is used for diagnosing accelerator pedal sensor, brake pedal sensor, air conditioning switch sensor, driving panel sensors, parking brake switch sensor, ignition lock sensor, and whether et out of order and definite hybrid power whole-control system occur logic fault.
As the further improvement of technique scheme, described hybrid power whole-control system also comprises the annex control module being connected with described car load control unit, and described annex control module is used for controlling electric air pump, electronic cooling system, electric boosted pump, electric air-conditioning.
The beneficial effects of the utility model are: this hybrid power whole-control system comprises car load control unit and the electric-only mode control module being connected with described car load control unit, mixed mode control module, signal processing module, high voltage supply administration module, energy management module and CAN module, wherein, described electric-only mode control module is used for controlling drive motor vehicle is moved with pure motoring condition, described mixed mode control module is for coordinating to control the propulsive effort of drive motor and driving engine, and described signal processing module is for receiving and process igniting on-off signal, accelerator pedal signal, brake pedal signal, driving panel incoming signal, air conditioning switch signal, parking brake on-off signal, described high voltage supply administration module is for powering to drive motor, and described energy management module is for controlling discharging and recharging of electrokinetic cell, and described car load control unit is by described CAN module and electric-only mode control module, mixed mode control module, signal processing module, high voltage supply administration module, between energy management module, carry out communication with according to the each parts of car load state of a control control vehicle, thereby ensure the safety that car load travels, reliably, efficiently, energy-conservation.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is further detailed.
Hybrid power whole-control system of the present utility model comprises car load control unit (VCU:vehicle controlunit) 100, is the core control part of hybrid vehicle, and its functional block diagram is shown in Fig. 1.
As shown in Figure 3, this car load control unit 100 and accelerator pedal sensor 202, brake pedal sensor 204, air conditioning switch sensor 206, driving panel sensors 208, parking brake switch sensor 210, ignition lock sensor 212, control unit of engine (ECU:engine control unit) 222, vehicle body administrative unit 214, battery management unit (BMS:battery management system) 216, diagnosis debugging unit 230, motor control unit 218, high pressure administrative unit 220, transmission control unit 224 connects by CAN or connects by cable.Car load control unit 100 is from miscellaneous part signals such as the sensor collection igniting on-off signal, accelerator pedal signal, brake pedal signal, driving panel incoming signal, air conditioning switch signal, BK Brake Switch signals, and carry out communication by CAN communication and control unit of engine, transmission control unit, vehicle body control unit, motor control unit etc., make after corresponding judgement according to car load state of a control, car load control unit 100 will be controlled the each parts of vehicle and drive automobile normal running, thereby it is safe, reliable, efficient, energy-conservation to ensure that car load travels.
Car load control unit 100 control logics are shown in Fig. 2.As shown in the figure, its major control logic is that car load control unit 100 is by gathering the input/output signal of above-mentioned each sensor and above-mentioned each parts, in conjunction with the operating mode of vehicle operating, determine the state of system under different working conditions and control target, according to the control target of calculating, car load control unit can be determined system works pattern and mode of operation.Particularly, first, at system input signal step S22 Gather and input output signal, in system real-time working condition step, S24 analyzes the current real-time working condition of system, in performance analysis step S12, operating mode is analyzed, then in system works logic step S14, obtain system works logic, in source program control logic S26, according to source program control logic, coupling system work-based logic, operating mode calculate control target, and control output in target step S28 in output and control target.
As mentioned above, the radical function of this car load control unit 100 comprises power part torque control, braking energy control, battery electric quantity management, car load energy management module, the information interaction of CAN node, diagnosis and processing, the vehicle-state supervision etc. of fault.
As shown in Figure 1, described hybrid power whole-control system comprises car load control unit 100 and the electric-only mode control module 108 being connected with described car load control unit 100, mixed mode control module 110, signal processing module 104, high voltage supply administration module 106, energy management module 118 and CAN module 124, wherein, described electric-only mode control module 108 makes vehicle move with pure motoring condition for controlling drive motor, described mixed mode control module 110 is for coordinating to control the propulsive effort of drive motor and driving engine, and described signal processing module 104 is for receiving and process igniting on-off signal, accelerator pedal signal, brake pedal signal, driving panel incoming signal, air conditioning switch signal, parking brake on-off signal, described high voltage supply administration module 106 is for powering to drive motor, described energy management module 118 is for controlling discharging and recharging of electrokinetic cell, and described car load control unit 100 is by described CAN module 124 and electric-only mode control module 108, mixed mode control module 110, signal processing module 104, high voltage supply administration module 106, between energy management module 118, carry out communication with according to the each parts of car load state of a control control vehicle.
In addition, described hybrid power whole-control system also comprises the system initialization module 102 being connected with described car load control unit 100, and described system initialization module 102 is for the initialization of electric-only mode control module 108, mixed mode control module 110, signal processing module 104, high voltage supply administration module 106, energy management module 118, CAN module 124.
And described hybrid power whole-control system also comprises the parking power generation mode module 112 being connected with described car load control unit 100, described parking power generation mode module 112 is generated electricity for the state-of-charge SOC according to electrokinetic cell.
In addition, described hybrid power whole-control system also comprises the gearshift control module 114 being connected with described car load control unit 100, and described gearshift control module 114 is for determining whether to shift gears according to the gearshift logic of predetermining.
In addition, described hybrid power whole-control system also comprises the clutch control module 116 being connected with described car load control unit 100, and described clutch control module 116 is for determining whether output drive strength of driving engine according to the moving velocity of vehicle.
In addition, described hybrid power whole-control system also comprises the fault diagnosis module 120 being connected with described car load control unit 100, and for diagnosing accelerator pedal sensor, brake pedal sensor, air conditioning switch sensor, driving panel sensors, parking brake switch sensor, ignition lock sensor, whether et out of order and definite hybrid power whole-control system occur logic fault to described fault diagnosis module 120.
And described hybrid power whole-control system also comprises the annex control module 122 being connected with described car load control unit 100, described annex control module 122 is for controlling electric air pump, electronic cooling system, electric boosted pump, electric air-conditioning.
Below in conjunction with Fig. 1, each unit module of hybrid power whole-control system is described.
Mainly operation in the time that system just powers on of system initialization module 102, is mainly subsystems and each module resets, and to each sensor and actr initialization, system is carried out self-inspection etc.
Signal processing module 104 is mainly identifies the electric signal of the sensor of receiving, to distinguish driving intention and the vehicle-state of chaufeur, digital signal is carried out to logical process, analog signals is converted to the state of system, guarantees operating mode of inputting to system by correct accelerator open degree, gearbox-gear, motor and driving engine etc.
For hybrid power system, high voltage supply administration module 106 link that is absolutely necessary.High voltage supply administration module 106 mainly comprises following functions: (1) ensures the supply regular power of drive motor system; (2) ensure the power supply of other high pressure annexes, such as DC-DC, electric inflation pump, electric oil pump, electric air-conditioning etc.; (3) measuring ability, according to BMS(battery management system) and the information of insulation tester, determine that whether high-pressure system state is normal; (4) defencive function, effective cut off high circuit in the time that system detects high voltage fault, reduces loss.
Electric-only mode control module 108, in the time that vehicle moves with pure motoring condition, can effectively be controlled drive motor running state, ensures that the propulsive effort of motor can meet the dynamic property of vehicle, also has brake energy feedback function simultaneously.
Mixed mode control module 110 for carrying out vehicle control under hybrid power state.Under hybrid power state, the state of a control more complicated of vehicle, the mode of operation of drive motor has the two kinds of patterns that drive and generate electricity, the concrete state of a control of mixed mode control module 110 is as follows: (1) at the large propulsive effort of needs and electric weight when higher, the propulsive effort of reasonable distribution driving engine and motor; (2) lower at electric weight and other while being applicable to operating modes of generating,, driven when vehicle to battery electric energy supplement as propulsion source by driving engine; (3) in time carry out brake energy feedback.
Parking power generation mode module 112 is as emergency function module, mainly for electric energy supplement in the time that battery electric quantity is too low, now need engine operation in efficient district, regulate power generation torque, what guarantee motor energy was stable gives powered battery, delivery can be definite according to the SOC of battery, and lower at SOC is with larger electric current generating, in the time that SOC is higher, generates electricity with small electric stream.
Gearshift control module 114 is kernel control modules of power system, directly has influence on the tractive performance of system and the ride comfort of vehicle.Gearshift control module 114 mainly comprises following several contents: (1) determines different gearshift logics according to the difference of each gear; (2) determine according to the control logic of formulating whether system shifts gears; (3) determine the state of a control of the subsystems in when gearshift, comprise the state of driving engine, motor, power-transfer clutch, change speed gear box;
Clutch control module 116 is to determine whether driving engine gets involved output drive strength to running part, disengaging of clutch in the time of vehicle low-speed running or gearshift, and motor-driven vehicle, has avoided engine operation in poor efficiency district, can effectively reduce vehicle oil consumption; Power-transfer clutch combination again after rotating speed is gone up makes engine operation in efficient district as far as possible.
Be limited to current power battery technology, the performance of electrokinetic cell is limited, and price is also higher, and energy management module 118 is mainly in order to protect power system battery, avoids battery to cross breaking through putting.The measure of energy management module 118 is mainly as follows: (1) carries out communication with battery charger, avoids overshoot; (2) according to the generating operation mode of formulating, determine the power generation torque of motor, charge the battery; (3) in the time that battery SOC is too low, take to limit power or force generating, avoided putting damage battery; (4) battery status does not carry out alarm in the time of normal interval.
Fault diagnosis module 120 is important steps that system is carried out selfdiagnosis and self-protection, takes reasonably interim treatment measures in the time that judgement system breaks down, and protection system is avoided accident.Fault diagnosis module 120 mainly comprises sensor diagnostic and logical mistake judgement.For sensor diagnostic aspect, it carries out the diagnosis of Das Gaspedal, shift handle, gear position sensor, baroceptor, battery information etc., avoids makeing mistakes because sensor fault causes system logic.For logical mistake judgement aspect, its control logic and groundwork of formulating according to system judges, judges as much as possible whether system breaks down.
Annex control module 122 modules, mainly for determining the state of a control of power system annex, are determined the mode of operation of subsystems according to state of the system.For electric air pump, determine according to air pressure whether the electric air pump of system works; For electronic cooling system, determine fan running velocity according to motor and motor controller system; For electric boosted pump, enable electric boosted pump according to operating mode; For electric air-conditioning, determine according to air conditioning switch whether electric air-conditioning works.
CAN module 124 mainly contains two large functions: transmission information and control command and system monitoring.For transmission information and control command aspect, in the time of vehicle operating, between Engine ECU, electric machine controller, car load control unit 100, there is a large amount of communications, CAN module 124 is ripe at present bus, can bear these tasks by actv..For system monitoring aspect, information of vehicles can be sent in CAN bus, chaufeur and engineer can read vehicle-state from instrument, diagnostic equipment and other equipment.
In sum, hybrid power system whole-control system of the present utility model is by the car load control unit of motor vehicle driven by mixed power, by sensor, switch and other two-level controllers based on CAN communication, car load operation information is fed back to car load control unit, and require to send instruction to two-level controller and relevant actr according to Vehicle Driving Cycle.Two-level controller comprises ECU, MCU and parts, instrument etc., thereby each system and the car load of motor vehicle driven by mixed power are controlled, and ensures that car load travels safe, reliable, efficient, energy-conservation.
Above detailed description of the invention has been described in detail the utility model, but these not form restriction of the present utility model.Protection domain of the present utility model is not limited with above-mentioned embodiment, as long as the equivalence that those of ordinary skill in the art do according to the utility model institute disclosure is modified or changed, all should include in the protection domain of recording in claims.