CN106864242A - The workflow of hybrid electric drive system, vehicle and super capacitor - Google Patents

The workflow of hybrid electric drive system, vehicle and super capacitor Download PDF

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Publication number
CN106864242A
CN106864242A CN201710031886.XA CN201710031886A CN106864242A CN 106864242 A CN106864242 A CN 106864242A CN 201710031886 A CN201710031886 A CN 201710031886A CN 106864242 A CN106864242 A CN 106864242A
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China
Prior art keywords
super capacitor
electric machine
drive system
vehicle
output
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CN201710031886.XA
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Chinese (zh)
Inventor
赵正飞
方雷
徐代友
何适
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AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
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AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
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Priority to CN201710031886.XA priority Critical patent/CN106864242A/en
Publication of CN106864242A publication Critical patent/CN106864242A/en
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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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • 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
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • 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
    • B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
    • 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
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0666—Engine power
    • 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
    • B60W2510/08—Electric propulsion units
    • B60W2510/085—Power
    • 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
    • B60W2510/24—Energy storage means
    • B60W2510/242—Energy storage means for electrical energy
    • 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
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0677—Engine power
    • 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
    • B60W2710/08—Electric propulsion units
    • B60W2710/086—Power
    • 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
    • B60W2710/24—Energy storage means
    • B60W2710/242—Energy storage means for electrical energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention discloses a kind of hybrid electric drive system, the system includes generator (1) and super capacitor (3), the power source of generator is gas engine, generator is connected by rectification unit (2) with the input of electric machine controller (5), the output end of electric machine controller is connected with traction electric machine (6), super capacitor is parallel between rectification unit and electric machine controller by two-way DC DC converters (4), and braking resistor unit (7) is also parallel between rectification unit and electric machine controller.The system easy can economically realize that combustion gas capacitance hybrid power is driven to obtain optimum economic benefit.The invention also discloses the workflow of the super capacitor in the vehicle and the system using above-mentioned hybrid electric drive system.

Description

The workflow of hybrid electric drive system, vehicle and super capacitor
Technical field
The present invention relates to vehicular field, more particularly to a kind of gas engine and super capacitor combination drive control skill Art.
Background technology
Electric transmission quarry tipper be glory-hole prevailing traffic equipment, quarry tipper in actual use, The rate of load condensate of Diesel engine is caused in operating modes such as unloaded, heavily loaded level land cruise, descending, retarding braking, handling and idling waits Often it is operated in low-load-condition.It is estimated that the average load rate of electric wheel mining car engine particularly exists 40% or so When idling is waited, in mechanical loss, efficiency is zero to whole energy ezpenditures that engine sends, and objectively causes mining self-unloading Car engine fuel economy is poor, and efficiency is low, high energy consumption, discharge are big.However, increasingly tight with energy problem and environmental problem Weight deepens continuously with China's Economic Development Mode Conversion, and industrial and mining enterprises are more and more stronger for the requirement of " energy-saving and emission-reduction ".
The content of the invention
The technical problem to be solved in the present invention is to provide one kind and easy can economically realize that combustion gas capacitance hybrid power drives The dynamic workflow to obtain hybrid electric drive system, vehicle and the super capacitor of optimum economic benefit.
Hybrid electric drive system in the present invention, including generator and super capacitor, the power source of the generator is Gas engine, the generator is connected by rectification unit with the input of electric machine controller, the electric machine controller it is defeated Go out end to be connected with traction electric machine, the super capacitor is parallel to rectification unit and electric machine controller by bidirectional DC-DC converter Between, braking resistor unit is also parallel between the rectification unit and electric machine controller.
Hybrid electric drive system in the present invention, wherein being also parallel with filter between the rectification unit and electric machine controller Ripple electric capacity.
Vehicle in the present invention, the vehicle is provided with above-mentioned hybrid electric drive system.
The workflow of the super capacitor in the present invention, the super capacitor is applied to above-mentioned hybrid electric drive system, Comprise the following steps：
(1) electrical power generators, charge while traction electric machine is driven to super capacitor,
(2) magnitude relationship between the target output of traction electric machine and real output is judged,
If target output is more than real output, super capacitor discharges,
If target output is equal to real output, super capacitor is stopped,
If target output be less than real output, super capacitor charge and judge super capacitor electricity whether Less than rated capacity, if the electricity of super capacitor is less than rated capacity, super capacitor charges, and otherwise, super capacitor stops Work；
(3) when the super capacitor of step (2) is both needed to repeat step (2) after discharging, charging and being stopped.
The combustion gas that the workflow of hybrid electric drive system of the present invention, vehicle and super capacitor is used belongs to cleaning energy Source, therefore gas engine has the incomparable advantage of Diesel engine, energy-conserving and environment-protective, economic benefit in terms of discharge It is high；Super capacitor most one of outstanding feature is exactly long service life, under its normal working temperature, super capacitor can be carried out The depth discharge and recharge of more than 500000 times, use time was up to more than 90000 hours；Super capacitor charge/discharge rates are very fast, fill Discharge current is big, due to its equivalent series resistance very little, its power attenuation also very little；Because super capacitor charge and discharge process is pure Physical reactions, do not pollute to environment, and the material for being used does not contain heavy metal yet, are just meeting national low-carbon environment-friendly, and energy-conservation subtracts The requirement of row.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the hybrid electric drive system in the present invention；
Fig. 2 is that the vehicle power in the embodiment of the present invention increases and gas engine and the distribution of super capacitor power output Graph of a relation；
Fig. 3 is the workflow diagram of the super capacitor in the present invention.
Specific embodiment
As shown in figure 1, the hybrid electric drive system in the present invention, including generator 1 and super capacitor 3, the generating The power source of machine 1 is gas engine, and the generator 1 is connected by rectification unit 2 with the input of electric machine controller 5, institute The output end for stating electric machine controller 5 is connected with traction electric machine 6, and the super capacitor 3 is parallel to by bidirectional DC-DC converter 4 Between rectification unit 2 and electric machine controller 5, braking resistor unit is also parallel between the rectification unit 2 and electric machine controller 5 7。
Hybrid electric drive system in the present invention, wherein being also parallel between the rectification unit 2 and electric machine controller 5 Filter capacitor 8.
Vehicle in the present invention, the vehicle is provided with above-mentioned hybrid electric drive system.
The present embodiment is intended on the basis of existing HT5220 mining multi-shaft dump trucks, and basis is driven using its double-power electric, Introduce a gas engine and replace Diesel engine, introduce a set of super capacitor system and replace another set of powerplant module, it is easy Economically realize that combustion gas capacitance hybrid power drives, to obtain optimal economic benefit.According to investigation, although in the market uses combustion gas Small tonnage (less than the 50 tons) mine car of power in the resourceful area application of some combustion gas than wide, but existing market Upper not 220 tonnes and above gas power mine car, the research application to the technical field still belong to blank.Super capacitor conduct Auxiliary power source, with gas engine together for vehicle provides power under some specific operations.
Because gas engine characteristic is unsatisfactory for the operating modes such as mine car accelerates and load quickly changes, in order to meet mine car Vehicle condition particular requirement, need to increase auxiliary power source.Quickly become greatly when vehicle launch accelerates, climbs or cross the demand powers such as hole When, auxiliary power source can quickly provide high-power output, while as engine output increases, the output work of auxiliary power Rate constantly diminishes.Until engine is exported during to target power, auxiliary power source stops power output.
Super capacitor is very big in charge and discharge process middle-end voltage conversion range, and load generally requires one in the course of the work The voltage of individual stabilization, thus generally use an energy can with the voltage changer of two-way flow will load with super capacitor connect Be connected together, realize voltage stabilization, but add that system after the device becomes it is complex, it would be desirable to voltage changer Control propose solution；The Lectotype and calculation of super capacitor group, charge and discharge control, charge/discharge operation logic control and discharge and recharge Power Control be all integrated vehicle control tactics important component, its control quality be directly connected to accessory power system The quality of energy.
Consider the power demand of the present embodiment and the present situation of high power gas engine, selected CAT's CG132-16 h type engine hs, the continuous electrical power of the engine is 800kW.From the super electricity of UCK42V28000 types of Shanghai Austria prestige Hold, be new lithium-ion capacitor, power density is greatly increased, and capacitor can reach 20wh/kg afterwards in groups.
Super capacitor group design：
Super capacitor energy-storage formula is E=C × (unit of (V12-V22)/2：J).Wherein, V1 is that ultracapacitor charges eventually Only voltage, V2 is ultracapacitor charging starting voltage.AC660V alternating currents, full load is used to be rectified into direct current then in this project It is 845Vdc.Therefore V1 is set to 845v, and V2 is 400v.
Super capacitor matching principle：
1) energy that can be stored when ultracapacitor charges to voltage V1 from voltage V2 should be not less than electric capacity maximum output Energy.
2) power density of super capacitor should be not less than electric capacity Maximum Power Output with the product of quality.
As shown in Fig. 2 Fig. 2 reflects vehicle power increasing and gas engine and super capacitor power output distribution pass System.Risen in 700kW, gas engine power 75s from 0 in vehicle power 15s and rise to 700kW from 0, period, power notch was by surpassing Level electric capacity polishing.Can be calculated in 0~75 time according to Fig. 2, vehicle needs 14.6kWh energy, it is necessary to be exported by super capacitor Energy be 5.83kWh, it is contemplated that surplus takes 6kW.Using 3 and 313 string totally 919 blocks of monomer electric capacity.Its energy storage is according to formula E =C × (V12-V22)/2 show that E=26316187J adds up to 7.31kWh.Calculating 919 pieces of capacitor qualities according to capacitance parameter is 1.23T, energy density is 7.15Wh/kg.Show that gross energy is 8.84kWh.Meet this project demands energy 6kWh requirements.Power Density is 6.78kW/kg, show that general power, for 8380kW, meets this project 700kW power requirements.
Bi-directional DC-DC voltage changer belongs to the dual quadrant operation of DC converter, it is possible to achieve the transmitted in both directions of energy. Bidirectional DC-DC converter can be divided into isolated and non-isolated two kinds.From embodiment practical application angle consider, from it is non-every From the DC-DC converter of formula.Common topological structure has the converters such as Buck, Boost, half-bridge, Cuk, Zeta, is made using IGBT It is control executive component.
The workflow of the super capacitor in the present invention, the super capacitor is applied to above-mentioned hybrid electric drive system, Comprise the following steps：
(1) electrical power generators, charge while traction electric machine is driven to super capacitor,
(2) magnitude relationship between the target output of traction electric machine and real output is judged,
If target output is more than real output, super capacitor discharges,
If target output is equal to real output, super capacitor is stopped,
If target output be less than real output, super capacitor charge and judge super capacitor electricity whether Less than rated capacity, if the electricity of super capacitor is less than rated capacity, super capacitor charges, and otherwise, super capacitor stops Work；
(3) when the super capacitor of step (2) is both needed to repeat step (2) after discharging, charging and being stopped.
As shown in figure 3, the control mode control logic of above-mentioned super capacitor realizes that control strategy is such as by entire car controller Under：
1st, after generator starts to generate electricity, gas engine need to as early as possible set up auxiliary power to super capacitor fast charging Source energy reserve；
2nd, vehicle target output Pobject(i.e. the target output of traction electric machine) is more than real output PactualWhen (i.e. the real output of traction electric machine), super capacitor discharges rapidly, meets the power demand of vehicle.Meanwhile, combustion Gas engine output increases power according to the speed of setting, and correspondingly super capacitor is to meet target output constantly Power output is reduced, the real output for being finally reached gas engine is equal to vehicle target output.
3rd, vehicle target output PobjectLess than real output PactualWhen, according to super capacitor electricity SOC shapes State determines whether to charge or halted state.As electric capacity electricity SOCeLess than rated capacity SOCaWhen, engine output pair Electric capacity is charged, during charging, vehicle demand power+charge power<700KW；After detection electric capacity electricity reaches rated capacity, stop Only charge, now engine output just allows to reduce, and electric capacity is now in halted state.
The combustion gas that the workflow of hybrid electric drive system of the present invention, vehicle and super capacitor is used belongs to cleaning energy Source, therefore gas engine has the incomparable advantage of Diesel engine, energy-conserving and environment-protective, economic benefit in terms of discharge It is high；Super capacitor most one of outstanding feature is exactly long service life, under its normal working temperature, super capacitor can be carried out The depth discharge and recharge of more than 500000 times, use time was up to more than 90000 hours；Super capacitor charge/discharge rates are very fast, fill Discharge current is big, due to its equivalent series resistance very little, its power attenuation also very little；Because super capacitor charge and discharge process is pure Physical reactions, do not pollute to environment, and the material for being used does not contain heavy metal yet, are just meeting national low-carbon environment-friendly, and energy-conservation subtracts The requirement of row.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention Various modifications and improvement that case is made, all should fall into the protection domain of claims of the present invention determination.

Claims (4)

1. a kind of hybrid electric drive system, it is characterised in that：Including generator (1) and super capacitor (3), the generator Power source is gas engine, and the generator is connected by rectification unit (2) with the input of electric machine controller (5), described The output end of electric machine controller is connected with traction electric machine (6), and the super capacitor is parallel to by bidirectional DC-DC converter (4) Braking resistor unit (7) is also parallel between rectification unit and electric machine controller, between the rectification unit and electric machine controller.
2. hybrid electric drive system according to claim 1, it is characterised in that：The rectification unit (2) and motor control Filter capacitor (8) is also parallel between device (5) processed.
3. a kind of vehicle, it is characterised in that：The hybrid power that the vehicle is provided with described in any one of claim 1~2 drives System.
4. the workflow of the super capacitor in hybrid electric drive system described in a kind of any one of claim 1~2, including such as Lower step：
(1) electrical power generators, charge while traction electric machine is driven to super capacitor,
(2) magnitude relationship between the target output of traction electric machine and real output is judged,
If target output is more than real output, super capacitor discharges,
If target output is equal to real output, super capacitor is stopped,
If target output is less than real output, super capacitor charges and judges whether the electricity of super capacitor is less than Rated capacity, if the electricity of super capacitor is less than rated capacity, super capacitor charges, and otherwise, super capacitor is stopped；
(3) when the super capacitor of step (2) is both needed to repeat step (2) after discharging, charging and being stopped.
CN201710031886.XA 2017-01-17 2017-01-17 The workflow of hybrid electric drive system, vehicle and super capacitor Pending CN106864242A (en)

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