WO2018184351A1 - 车辆复合能源供给系统及方法、复合能源汽车 - Google Patents

车辆复合能源供给系统及方法、复合能源汽车 Download PDF

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Publication number
WO2018184351A1
WO2018184351A1 PCT/CN2017/101479 CN2017101479W WO2018184351A1 WO 2018184351 A1 WO2018184351 A1 WO 2018184351A1 CN 2017101479 W CN2017101479 W CN 2017101479W WO 2018184351 A1 WO2018184351 A1 WO 2018184351A1
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Prior art keywords
module
vehicle
flywheel
power
battery
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PCT/CN2017/101479
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English (en)
French (fr)
Inventor
明巧红
Original Assignee
东汉新能源汽车技术有限公司
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Application filed by 东汉新能源汽车技术有限公司 filed Critical 东汉新能源汽车技术有限公司
Priority to EP17897222.0A priority Critical patent/EP3421281A1/en
Priority to SG11201807232RA priority patent/SG11201807232RA/en
Priority to JP2018536412A priority patent/JP2019512993A/ja
Priority to AU2017399741A priority patent/AU2017399741A1/en
Priority to BR112018071538A priority patent/BR112018071538A2/pt
Priority to RU2018134194A priority patent/RU2018134194A/ru
Priority to KR1020187020625A priority patent/KR20190025533A/ko
Priority to US16/118,832 priority patent/US20180361877A1/en
Publication of WO2018184351A1 publication Critical patent/WO2018184351A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/30—Electric propulsion with power supplied within the vehicle using propulsion power stored mechanically, e.g. in fly-wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/51—Photovoltaic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L8/00—Electric propulsion with power supply from forces of nature, e.g. sun or wind
    • B60L8/003—Converting light into electric energy, e.g. by using photo-voltaic systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/16—Mechanic energy storages
    • B60Y2400/162—Flywheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/303—Speed sensors
    • 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
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to the field of vehicle energy, and particularly relates to a vehicle composite energy supply system and method, and a composite energy vehicle.
  • New energy vehicles refer to vehicles that use unconventional vehicle fuels as a power source, integrated advanced technologies in power control and driving, and have advanced technology, new technologies and new structures.
  • New energy vehicles include four types, namely hybrid electric vehicles, pure electric vehicles (including solar vehicles), fuel cell electric vehicles, and other new energy sources (such as capacitors, flywheels and other high-efficiency energy storage vehicles).
  • One aspect of the present invention provides a vehicle composite energy supply system and method for reducing vehicle pollution to the environment, improving energy use efficiency, extending battery life, and increasing vehicle driving range.
  • Another aspect of the present invention provides a composite energy vehicle to reduce total vehicle emissions, save energy and protect the environment, and increase the driving range of the vehicle.
  • a vehicle composite energy supply system includes: a solar battery module, a battery module, an input conversion module, a DC-AC inverter, a traction motor, a flywheel module, and a control module; an output end of the solar battery module, the battery An output end of the module is connected to a DC end of the DC-AC inverter through the input conversion module, and an AC end of the DC-AC inverter is connected to the traction motor; the control module and the input conversion module respectively The flywheel module is connected to the signal;
  • Driving power is provided to the vehicle by the flywheel module while the vehicle is running; the control module acquires a running state of the vehicle, an output parameter of the flywheel module, a remaining amount of power of the solar battery module and the battery module, and determines, according to the output parameter Determining the maximum power that the flywheel module can provide, and controlling the input conversion module to output the direct current of the solar cell module and/or the battery module when the maximum power output by the flywheel module is less than the required driving power of the vehicle Accessing the DC-AC inverter; the DC-AC inverter converting the direct current to alternating current to drive the traction motor.
  • the control module determines the maximum power that the solar battery module and the battery module can provide according to the remaining power of the solar battery module and the battery module, and the maximum power outputted by the flywheel module is smaller than the required driving of the vehicle.
  • the input conversion module is controlled to output the solar cell module.
  • the DC power is connected to the DC-AC inverter; otherwise, the input conversion module is controlled to connect the solar battery module and the DC power output by the battery module to the DC-AC inverter.
  • the control module utilizes motor feedback power generation priority control to charge the flywheel module, and after the flywheel module is full, passes the input conversion module. Charging the battery module.
  • the output of the solar cell module is further connected to the battery module through the input conversion module.
  • the flywheel module comprises: a flywheel, a flywheel motor, and a power electronic conversion device;
  • the power electronic conversion device is coupled to the traction motor for input from the traction motor Injecting electrical energy to drive the flywheel motor to drive the flywheel to rotate; and when the traction motor requires energy, converting the energy generated by the flywheel to rotate the flywheel motor into electrical energy required by the traction motor.
  • the power electronic conversion device is a bidirectional inverter.
  • the system further comprises: a speed sensor, a power output shaft;
  • the power output shaft is configured to transmit power output by the traction motor to a driving wheel of the vehicle; an output shaft of the motor is coupled to the power output shaft through a transmission, and the flywheel module is disposed on the power output shaft on;
  • the speed sensor is configured to acquire a rotation speed of the flywheel module, and transmit the rotation speed to the control module;
  • the control module determines a maximum power that the flywheel module can provide based on the rotational speed.
  • a vehicle composite energy supply method includes: a solar battery, a battery, and a flywheel module; the method includes:
  • Driving power is provided to the vehicle by the flywheel module while the vehicle is running;
  • the solar battery and/or the battery is controlled to provide driving power to the vehicle.
  • the flywheel module is preferentially charged by the motor to generate power, and the battery is charged after the flywheel module is fully charged.
  • a composite energy vehicle includes the vehicle composite energy supply system described above.
  • the vehicle composite energy supply system and method provided by the embodiments of the present invention comprehensively utilizes multiple energy sources to drive the vehicle, and in particular, utilizes the advantages of the flywheel energy storage component, and when the vehicle is running, the flywheel module provides driving power to the vehicle.
  • the maximum power output of the flywheel module is less than the required driving power of the vehicle, the solar battery and/or the battery are used as energy supplements, thereby effectively reducing the emission of harmful substances of the vehicle and improving the driving range of the vehicle.
  • the flywheel energy storage component has a high Power output, high energy conversion efficiency, no overcharge and over discharge problems, etc., therefore, not only for the high power output requirements of the car during start-up, acceleration, and climbing, can better meet the requirements, improve the power and economy of the car.
  • the people can also slow down the charge and discharge current of the battery and prolong the service life of the battery.
  • a composite energy vehicle with the vehicle's composite energy supply system can significantly reduce the total emissions of the vehicle, save energy, and increase the driving range of the vehicle.
  • FIG. 1 is a schematic block diagram of a vehicle composite energy supply system of the present invention
  • FIG. 2 is a schematic view showing a specific structure of a vehicle composite energy supply system of the present invention
  • FIG. 3 is a schematic view showing another specific structure of the vehicle composite energy supply system of the present invention.
  • the flywheel As an emerging energy storage component, the flywheel has begun to attract people's attention due to its high efficiency, energy saving, long service life and no environmental pollution. Compared with other energy storage technologies, the flywheel has high specific energy, high specific power, high efficiency, no pollution, wide application range, no noise, long life, simple maintenance, continuous operation and modularization. Design and manufacture, it is very suitable for applications with high instantaneous power and frequent charge and discharge. In addition, the use of solar energy as a power does not pollute the environment, and solar energy is also an "inexhaustible, inexhaustible" energy source.
  • the present invention provides a vehicle composite energy supply system and method, which provides a driving force for a vehicle by using a flywheel energy storage element as a preferred energy source, and additionally considers a sun carried on a vehicle. Due to the high-speed driving of the car, the position of the battery is constantly changing, resulting in instability of its output power. Therefore, the battery is used as a supplementary energy source for solar energy, and comprehensively utilizes various energy sources to provide driving for the vehicle, which can be provided by the flywheel energy storage component. When the maximum power cannot meet the driving power required by the vehicle, the insufficient portion is supplemented by the solar battery and the battery, thereby greatly reducing the emission of harmful substances of the vehicle and improving the driving range of the vehicle.
  • FIG. 1 is a schematic block diagram of a vehicle composite energy supply system of the present invention.
  • the system includes a solar cell module 11, a battery module 12, an input conversion module 14, a DC-AC inverter 15, a traction motor 10, a flywheel module 13, and a control module 16.
  • the output end of the solar cell module 11 and the output end 12 of the battery module are connected to the DC end of the DC-AC inverter 15 through the input conversion module 14, and the AC end of the DC-AC inverter 15 is connected to the traction motor 10.
  • the control module 16 is in signal connection with the input conversion module 14 and the flywheel module 13, respectively.
  • the solar cell module 11 and the battery module 12 output electric energy to the traction motor 10, and the respective outputs are controlled by the input conversion module 14.
  • the flywheel module 13 can take different forms of output, such as outputting electrical energy to the traction motor 10, or directly outputting mechanical energy to the drive wheels of the vehicle.
  • the specific structure of the flywheel module 13 outputted in different forms will also be different, which will be exemplified later.
  • the driving power is supplied to the vehicle by the flywheel module 13 while the vehicle is running; the control module 16 acquires the running state of the vehicle, the output parameters of the flywheel module 13 (such as current, voltage, speed, etc.), the solar battery module 11 and the battery.
  • the remaining power of the module 12 determines the maximum power that the flywheel module 13 can provide according to the output parameter of the flywheel module 13, and controls the input conversion module 14 to the solar battery module when the maximum power output by the flywheel module 13 is less than the required driving power of the vehicle.
  • the DC output from the 11 and/or battery module 12 is coupled to a DC-AC inverter 15; the DC-AC inverter 15 converts the DC power into an AC driven traction motor 10.
  • control module 16 can determine the maximum power that the solar battery module 11 and the battery module 12 can provide based on the remaining power of the solar battery module 11 and the battery module 12.
  • the remaining power of the solar battery module 11 and the battery module 12 are all counted by the respective power management system in real time, and the information is fed back to the control module 16 in real time through the CAN bus.
  • the control module 16 controls the input conversion module 14 to input the DC power output from the solar battery module 11.
  • the DC-AC inverter 15 otherwise, the control input conversion module 14 connects the direct current of the solar battery module 11 and the battery module 12 to the DC-AC inverter 15.
  • the control module 16 can also control the input conversion module 14 to only the battery module 12.
  • the output DC power is connected to the DC-AC inverter 15, which is not limited in this embodiment of the present invention.
  • the vehicle composite energy supply system provided by the embodiments of the present invention comprehensively utilizes multiple energy sources to drive the vehicle. Specifically, by utilizing the advantages of the flywheel energy storage component, when the vehicle is running, the flywheel module provides driving power to the vehicle, and the flywheel module When the maximum output power is less than the required driving power of the vehicle, the solar battery and/or the battery are used as energy supplements, thereby effectively reducing the emission of harmful substances of the vehicle and improving the driving range of the vehicle.
  • the vehicle multi-energy supply system provided by the embodiment of the present invention can also reasonably configure the energy supply according to the characteristics of different operating states of the vehicle, and exert the advantages of different energy sources as much as possible, for example, starting and accelerating the vehicle.
  • a large current is instantaneously required.
  • the flywheel module 13, the solar battery module 11 and the battery module 12 together provide driving energy; when traveling at a constant speed, in consideration of the demand for long-term discharge, the solar battery module 11 and The battery modules 12 together provide drive energy, and the flywheel module 13 may or may not release energy.
  • the flywheel energy storage component has the advantages of high power output, high energy conversion efficiency, no overcharge and overdischarge, and so on, it not only satisfies the high power output demand of the car during start-up, acceleration, and climbing, but also improves The power and economic performance of the car can also slow down the charge and discharge current of the battery and prolong the service life of the battery.
  • the control module 16 uses the motor feedback power generation priority control to charge the flywheel module 13, after the flywheel module 13 is full, The battery module 12 is then charged by the input conversion module 14.
  • the control module 16 needs to monitor the flywheel module in real time.
  • the output parameter of 13 determines whether the flywheel module 13 is full according to the output parameter (for example, whether the power of the flywheel module 13 reaches the upper limit value or whether the rotational speed of the flywheel module 13 reaches the maximum). If the braking time is long and the braking is not stopped when the flywheel module 13 is full, the control module 16 triggers the input conversion module 14 to turn on the input end of the battery module 12, so that the battery module 12 continues to absorb excess braking energy. After the battery module 12 has reached its allowable upper limit, the mechanical brake mode is activated.
  • the activation of the mechanism braking mode may be triggered by the control module 16 in the system of the present invention, or may be triggered by other control modules in the vehicle, or may be triggered by the other control modules and the control module 16 in the system.
  • the embodiments of the invention are not limited.
  • the battery module 12 can also be charged by an external charger.
  • the output end of the solar cell module 11 can also be connected to the battery module 12 through the input conversion module 14 so that the solar battery module 11 is a battery module under the set condition. 12 Charging, for example, in a sunny environment, the traction motor is stopped or operated at a constant speed, and the excess energy of the solar battery can be supplemented to the battery module 12.
  • the external charging power source and the solar battery module 11 can also be used to charge the battery module.
  • the vehicle operating state and the power monitoring of each energy output module may all be completed by the control module 16, or may be distributed to different control modules of the vehicle, for example, by the entire vehicle.
  • the controller monitors the running state of the vehicle, and the power management module monitors the power of each energy output module.
  • the vehicle controller and the battery management module respectively communicate with the control module 16 through the CAN bus, so that the control module 16 obtains the corresponding message through the CAN bus. Information.
  • the solar cell module 11 may include: a solar cell and a solar cell voltage conversion circuit (not shown), the output end of the solar cell being connected to an input end of the solar cell voltage conversion circuit, the solar cell voltage conversion circuit The output serves as an output of the solar cell module, ie the solar cell voltage conversion circuit is connected in series between the solar cell 11 and the output control module 14. Wherein the solar cell can be placed on the top of the car or Around, you can better absorb sunlight and improve the utilization of solar energy.
  • the battery module 12 may include a battery and a battery voltage conversion circuit (not shown), an output end of the battery is connected to an input end of the battery voltage conversion circuit, and an output end of the battery voltage conversion circuit is used as the battery module.
  • the output, that is, the solar cell voltage conversion circuit is connected in series between the solar cell 11 and the output control module 14.
  • the solar cell voltage conversion circuit is a unidirectional DC-DC converter, and the battery voltage conversion circuit is a bidirectional DC-DC converter.
  • control module 16 can control the output power according to the remaining capacity of the battery and the solar battery, for example, when the remaining power is higher than 20%, the full power output; When the remaining power is less than 20%, the power is reduced by 50% of the maximum power; when the remaining power is less than 10%, the output is stopped.
  • the specific power output control may be implemented by using some existing technologies, which is not limited in this embodiment of the present invention.
  • the flywheel module 13 can adopt different forms of output mode, which will be exemplified below.
  • FIG. 2 it is a specific structural diagram of the vehicle composite energy supply system of the present invention.
  • the flywheel module 11 includes a flywheel 131, a flywheel motor 132, and a power electronic conversion device 133.
  • the power electronic conversion device 133 is connected to the traction motor 10 for inputting electric energy from the traction motor 10 to drive the flywheel motor 132 to drive the flywheel 131 to rotate; and when the traction motor 10 requires energy, the flywheel 131 drives the flywheel motor 132 to rotate. The energy is converted into the electrical energy required to pull the motor 10.
  • the power electronic conversion device 133 is a bidirectional inverter.
  • FIG. 3 it is another specific structural diagram of the vehicle composite energy supply system of the present invention.
  • the system further includes a power output shaft 21 for transmitting power output from the traction motor 10 to the drive wheels 22 of the vehicle; the flywheel module 13 is disposed on the power output shaft 21 on.
  • the output shaft of the traction motor 10 may be coupled to the power output shaft 21 via a transmission
  • the drive wheel 22 may be a front wheel (ie, a front drive) or a rear wheel (ie, a rear drive).
  • the flywheel module 13 may be rotated by the power output shaft 21 flywheel.
  • the system further includes a speed sensor 23 for acquiring the rotational speed of the flywheel module 13 and transmitting the rotational speed to the control module 16.
  • the control module 16 determines the maximum power that the flywheel module 13 can provide based on the rotational speed.
  • the speed sensor 23 may be specifically disposed on the frame of the flywheel module 13.
  • the vehicle composite energy supply system of the invention applies the flywheel energy storage component to the electric vehicle field, and is supplemented by solar energy and a battery, and the energy output is reasonably distributed according to the running state of the vehicle, thereby effectively reducing the emission of harmful substances of the vehicle and improving the vehicle. Continue driving mileage, slow down the battery charge and discharge current, and extend battery life.
  • the vehicle multi-energy supply system of the embodiment of the invention can be applied to various types of vehicles, and the composite energy vehicle with the vehicle composite energy supply system can significantly reduce the total emissions of the automobile, save energy, and improve the driving range of the vehicle.
  • the present invention also provides a vehicle composite energy supply method, the composite energy source comprising: a solar battery, a battery, and a flywheel module; the method comprising:
  • Driving power is provided to the vehicle by the flywheel module while the vehicle is running;
  • the solar battery and/or the battery is controlled to provide driving power to the vehicle. For example, if the maximum power that the solar cell can provide is greater than or equal to the difference between the required driving power of the vehicle and the maximum power that the flywheel module can provide, then the solar cell is controlled to provide driving power to the vehicle, otherwise the solar cell and the battery are controlled together.
  • the vehicle provides drive power.
  • the flywheel module when the vehicle is in a braking state or a decelerating or downhill state, the flywheel module is preferentially charged by the motor to generate power, and the battery is charged after the flywheel module is fully charged.
  • the vehicle composite energy supply method provided by the embodiment of the invention comprehensively utilizes multiple energy sources to drive the vehicle, and specifically, utilizes the advantages of the flywheel energy storage component, and the flywheel module is
  • the vehicle provides driving power.
  • the maximum power output by the flywheel module is less than the driving power required by the vehicle, the solar battery and/or the battery are used as energy supplements, thereby effectively reducing the emission of harmful substances of the vehicle and improving the driving range of the vehicle.
  • the flywheel energy storage component has the advantages of high power output, high energy conversion efficiency, no overcharge and overdischarge, etc., it not only satisfies the high power output requirements of the vehicle during start-up, acceleration, and climbing. To improve the power and economy of the car, and to slow down the charge and discharge current of the battery and extend the service life of the battery.

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Abstract

一种车辆复合能源供给系统及方法，该系统包括：太阳能电池模块（11）、蓄电池模块（12）、输入转换模块（14）、DC-AC逆变器（15）、牵引电机（10）、飞轮模块（13）、以及控制模块（16）；在车辆运行时，由飞轮模块（13）向车辆提供驱动功率；控制模块（16）获取车辆运行状态、飞轮模块（13）的输出参数、太阳能电池模块（11）及蓄电池模块（12）的剩余电量，根据输出参数确定飞轮模块（13）所能提供的最大功率，并在飞轮模块（13）输出的最大功率小于车辆所需驱动功率时，控制输入转换模块（14）将太阳能电池模块（11）和/或蓄电池模块（12）输出的直流电接入DC-AC逆变器（15）；DC-AC逆变器（15）将所述直流电转换成交流电驱动牵引电机（10），从而可以降低车辆对环境产生的污染，提高能源使用效率，增加车辆续驶里程。

Description

车辆复合能源供给系统及方法、复合能源汽车 技术领域
本发明涉及车辆能源领域，具体涉及一种车辆复合能源供给系统及方法、复合能源汽车。
背景技术
新能源汽车是指采用非常规的车用燃料作为动力来源，综合车辆的动力控制和驱动方面的先进技术，形成的技术原理先进、具有新技术、新结构的汽车。新能源汽车包括四大类型，即混合动力电动汽车、纯电动汽车(包括太阳能汽车)、燃料电池电动汽车、其他新能源(如电容器、飞轮等高效储能器)汽车等。
目前，制约电动汽车广泛应用的一个重要因素是其续驶里程短，而再生制动是节约能源、提高电动汽车续驶里程的关键，具有显著的经济价值和社会效益。另外，太阳能是最清洁能源之一，在化石燃料日趋减少的情况下，太阳能已成为人类使用能源的重要组成部分，并不断得到发展，汽车利用太阳能作为动力不会污染环境，相比传统热机驱动的汽车，可以做到真正的零排放。因此，如何合理、有效地使用这些能源成为了业界广泛关注的一个问题。
发明内容
本发明一方面提供一种车辆复合能源供给系统及方法，以降低车辆对环境产生的污染，提高能源使用效率，延长蓄电池使用寿命，增加车辆续驶里程。
本发明另一方面提供一种复合能源汽车，以减少汽车的总排放量，节能环保，增加车辆续驶里程。
为此，本发明提供如下技术方案：
一种车辆复合能源供给系统，包括：太阳能电池模块、蓄电池模块、输入转换模块、DC-AC逆变器、牵引电机、飞轮模块、以及控制模块；所述太阳能电池模块的输出端、所述蓄电池模块的输出端通过所述输入转换模块连接DC-AC逆变器的直流端，所述DC-AC逆变器的交流端连接所述牵引电机；所述控制模块分别与所述输入转换模块和所述飞轮模块信号连接；
在车辆运行时，由所述飞轮模块向车辆提供驱动功率；所述控制模块获取车辆运行状态、所述飞轮模块的输出参数、太阳能电池模块及蓄电池模块的剩余电量，根据所述输出参数确定所述飞轮模块所能提供的最大功率，并在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，控制所述输入转换模块将所述太阳能电池模块和/或所述蓄电池模块输出的直流电接入所述DC-AC逆变器；所述DC-AC逆变器将所述直流电转换成交流电驱动所述牵引电机。
优选地，所述控制模块根据所述太阳能电池模块及蓄电池模块的剩余电量确定所述太阳能电池模块及蓄电池模块所能提供的最大功率，并且在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，如果所述太阳能电池模块所能提供的最大功率大于或等于车辆所需驱动功率与飞轮模块所能提供的最大功率的差值，则控制所述输入转换模块将所述太阳能电池模块输出的直流电接入所述DC-AC逆变器；否则，控制所述输入转换模块将所述太阳能电池模块和所述蓄电池模块输出的直流电接入所述DC-AC逆变器。
优选地，在车辆处于制动状态或者减速或者下坡状态时，所述控制模块利用电机回馈发电能量优先控制为所述飞轮模块充电，在所述飞轮模块充满后，再通过所述输入转换模块给所述蓄电池模块充电。
优选地，所述太阳能电池模块的输出端还通过所述输入转换模块连接所述蓄电池模块。
优选地，所述飞轮模块包括：飞轮、飞轮电机、以及电力电子变换装置；
所述电力电子变换装置与所述牵引电机连接，用于从所述牵引电机输 入电能，以驱动所述飞轮电机带动所述飞轮旋转；并在所述牵引电机需要能量时，将所述飞轮带动所述飞轮电机旋转产生的能量转换成所述牵引电机所需的电能。
优选地，所述电力电子变换装置为双向逆变器。
优选地，所述系统还包括：速度传感器、动力输出轴；
所述动力输出轴用于将所述牵引电机输出的动力传递到车辆的驱动轮；所述电机的输出轴通过传动装置与所述动力输出轴连接，所述飞轮模块设置在所述动力输出轴上；
所述速度传感器用于获取所述飞轮模块的转速，并将所述转速传送给所述控制模块；
所述控制模块根据所述转速确定所述飞轮模块所能提供的最大功率。
一种车辆复合能源供给方法，所述复合能源包括：太阳能电池、蓄电池、以及飞轮模块；所述方法包括：
在车辆运行时，由所述飞轮模块向车辆提供驱动功率；
获取车辆运行状态、所述飞轮模块的输出参数、太阳能电池及蓄电池的剩余电量；
根据所述输出参数确定所述飞轮模块所能提供的最大功率；
如果所述飞轮模块输出的最大功率小于车辆所需驱动功率，则控制所述太阳能电池和/或蓄电池向车辆提供驱动功率。
优选地，在车辆处于制动状态或者减速或者下坡状态时，利用电机回馈发电能量优先为所述飞轮模块充电，在所述飞轮模块充满后，再给所述蓄电池充电。
一种复合能源汽车，包括前面所述的车辆复合能源供给系统。
本发明实施例提供的车辆复合能源供给系统及方法，综合利用多种能源驱动车辆，具体地，利用飞轮储能元件的优点，在车辆运行时，由飞轮模块向车辆提供驱动功率，在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，由太阳能电池和/或蓄电池作为能量补充，从而可以有效降低车辆有害物的排放，提升车辆续驶里程。另外，由于飞轮储能元件具有高 功率输出、能量转换效率高、无过充过放问题等优点，因此，不仅对于汽车在启动、加速、爬坡时的大功率输出需求均能较好地满足，改善汽车的动力性和经济性民，而且可以减缓蓄电池的充放电电流，延长蓄电池使用寿命。
具有该车辆复合能源供给系统的复合能源汽车可以明显减少汽车的总排放量，节约能量，提升汽车续驶里程。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明中记载的一些实施例，对于本领域普通技术人员来讲，还可以根据这些附图获得其他的附图。
图1是本发明车辆复合能源供给系统的原理框图；
图2是本发明车辆复合能源供给系统的一种具体结构示意图；
图3是本发明车辆复合能源供给系统的另一种具体结构示意图。
具体实施方式
为了使本技术领域的人员更好地理解本发明实施例的方案，下面结合附图和实施方式对本发明实施例作进一步的详细说明。
飞轮作为一种新兴的储能元件，由于其高效、节能、使用寿命长以及无环境污染等优点，开始引起人们的重视。与其它储能技术相比，飞轮作为电池储能具有高比能量、高比功率、高效率、无污染、适用范围广、无噪声、长寿命、维护简单、可实现连续工作、可进行模块化设计制造等优点，非常适合应用于瞬时大功率、充放电频繁的场合。另外，由于利用太阳能作为动力不会污染环境，而且太阳能也是“取之不尽，用之不竭”的能源。
因此本发明提供一种车辆复合能源供给系统及方法，将飞轮储能元件作为优先选择的能源为车辆提供驱动力，另外考虑到搭载在汽车上的太阳 能电池由于汽车的高速行驶，其位置不断变化，从而导致其输出功率具有不稳定性，因此将蓄电池作为太阳能的补充能源，综合利用多种能源为车辆提供驱动，在飞轮储能元件所能提供的最大功率不能满足车辆所需驱动功率的情况下，不足的部分再由太阳能电池及蓄电池进行补充，从而大大降低车辆有害物的排放，提升车辆续驶里程。
如图1所示，是本发明车辆复合能源供给系统的原理框图。
该系统包括：太阳能电池模块11、蓄电池模块12、输入转换模块14、DC-AC逆变器15、牵引电机10、飞轮模块13、以及控制模块16。其中，太阳能电池模块11的输出端、蓄电池模块的输出端12通过输入转换模块14连接DC-AC逆变器15的直流端，DC-AC逆变器15的交流端连接牵引电机10。控制模块16分别与输入转换模块14和飞轮模块13信号连接。
上述太阳能电池模块11、蓄电池模块12向牵引电机10输出电能，各自的输出由输入转换模块14来控制。
在实际应用中，飞轮模块13可以采用不同形式的输出方式，比如向牵引电机10输出电能，或者直接向车辆的驱动轮输出机械能。当然不同形式输出的飞轮模块13，其具体结构也会有所不同，将在后面举例说明。
在该系统中，在车辆运行时，由飞轮模块13向车辆提供驱动功率；控制模块16获取车辆运行状态、飞轮模块13的输出参数(比如电流、电压、转速等)、太阳能电池模块11及蓄电池模块12的剩余电量，根据飞轮模块13的输出参数确定飞轮模块13所能提供的最大功率，并在飞轮模块13输出的最大功率小于车辆所需驱动功率时，控制输入转换模块14将太阳能电池模块11和/或蓄电池模块12输出的直流电接入DC-AC逆变器15；DC-AC逆变器15将所述直流电转换成交流电驱动牵引电机10。
在该系统中，控制模块16可以根据太阳能电池模块11及蓄电池模块12的剩余电量确定太阳能电池模块11及蓄电池模块12所能提供的最大功率。太阳能电池模块11及蓄电池模块12的剩余电量均由各自的电量管理系统实时统计，并通过CAN总线将这些信息实时反馈给控制模块16。
在飞轮模块13输出的最大功率小于车辆所需驱动功率时，如果太阳能 电池模块11所能提供的最大功率大于或等于车辆所需驱动功率与飞轮模块13所能提供的最大功率的差值，则控制模块16控制输入转换模块14将太阳能电池模块11输出的直流电接入DC-AC逆变器15；否则，控制输入转换模块14将太阳能电池模块11和蓄电池模块12输出的直流电接入DC-AC逆变器15。当然，在蓄电池模块12所能提供的最大功率大于或等于车辆所需驱动功率与飞轮模块13所能提供的最大功率的差值时，控制模块16也可以控制输入转换模块14只将蓄电池模块12输出的直流电接入DC-AC逆变器15，对此本发明实施例不做限定。
本发明实施例提供的车辆复合能源供给系统，综合利用多种能源驱动车辆，具体地，利用飞轮储能元件的优点，在车辆运行时，由飞轮模块向车辆提供驱动功率，在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，由太阳能电池和/或蓄电池作为能量补充，从而可以有效降低车辆有害物的排放，提升车辆续驶里程。
另外，本发明实施例提供的车辆多能源供给系统，还可以根据车辆不同运行状态的特点，对其能源供给进行合理的配置，尽最大可能发挥不同能源各自的优势，比如，在车辆启动、加速、爬坡时，瞬时需要大电流，此时由飞轮模块13、太阳能电池模块11和蓄电池模块12一起提供驱动能量；在匀速行驶时，考虑到长时放电的需求，可以由太阳能电池模块11和蓄电池模块12一起提供驱动能量，飞轮模块13可以释放能量，也可以不用释放能量。由于飞轮储能元件具有高功率输出、能量转换效率高、无过充过放问题等优点，因此，不仅对于汽车在启动、加速、爬坡时的大功率输出需求均能较好地满足，改善汽车的动力性和经济性能，而且可以减缓蓄电池的充放电电流，延长蓄电池使用寿命。
进一步地，在车辆处于制动状态或者减速或者下坡状态时，此时牵引电机处于再生制动状态，控制模块16利用电机回馈发电能量优先控制为飞轮模块13充电，在飞轮模块13充满后，再通过输入转换模块14给蓄电池模块12充电。
需要说明的是，在充电过程中，控制模块16需要实时监测飞轮模块 13的输出参数，根据所述输出参数确定飞轮模块13是否充满(比如飞轮模块13的电量是否达到上限值，或者飞轮模块13的转速是否达到最大)。如果制动时间较长，而飞轮模块13充满时仍未停止制动，此时控制模块16触发输入转换模块14接通蓄电池模块12的输入端，使蓄电池模块12继续吸收多余的制动能量，在蓄电池模块12的电量也达到其允许的上限值后，启动机械制动模式。机制制动模式的启动可以由本发明系统中的控制模块16触发，也可以由车辆中其它控制模块触发，或者由所述其它控制模块及本系统中的控制模块16相配合来触发，对此本发明实施例不做限定。
在实际应用中，上述蓄电池模块12还可以由外置充电器为其充电，比如，牵引电机停止运转，同时蓄电池模块电量不足需要进行充电处理时，由外置的充电电源为其充电。另外，在本发明系统另一实施例中，还可以将太阳能电池模块11的输出端通过所述输入转换模块14连接蓄电池模块12，以便在满足设定条件下，由太阳能电池模块11为蓄电池模块12充电，比如，在阳光充足的环境下，牵引电机停止运转或者匀速运行状态，可以将太阳能电池多余的能量补充给蓄电池模块12。当然，在蓄电池模块12连接外置充电电源情况下，也可以由外置充电电源及太阳能电池模块11共同为蓄电池模块充电。
需要说明的是，在实际应用中，车辆运行状态及各能源输出模块的功率监测可以全部由控制模块16来完成，也可以将这些功能分散到车辆的不同控制模块来完成，比如，由整车控制器来监测车辆运行状态，由电池管理模块监测各能源输出模块的功率，整车控制器、电池管理模块分别与控制模块16通过CAN总线通信，从而使控制模块16通过CAN总线报文获得相应的信息。
上述太阳能电池模块11可以包括：太阳能电池和太阳能电池电压转换电路(图中未示)，所述太阳能电池的输出端连接所述太阳能电池电压转换电路的输入端，所述太阳能电池电压转换电路的输出端作为所述太阳能电池模块的输出端，即所述太阳能电池电压转换电路串联在太阳能电池11和输出控制模块14之间。其中，所述太阳能电池可以设置在汽车的顶部或 者四周，可以更好地吸收太阳光，提高太阳能的利用率。
上述蓄电池模块12可以包括蓄电池和蓄电池电压转换电路(图中未示)，所述蓄电池的输出端连接所述蓄电池电压转换电路的输入端，所述蓄电池电压转换电路的输出端作为所述蓄电池模块的输出端，即所述太阳能电池电压转换电路串联在太阳能电池11和输出控制模块14之间。
所述太阳能电池电压转换电路为单向DC-DC转换器，蓄电池电压转换电路为双向DC-DC转换器。
另外，需要说明的是，在实际应用中，控制模块16可以根据蓄电池和太阳能电池剩余电量的多少来控制其输出功率的大小，比如，在其剩余电量高于20％时，可满功率输出；当剩余电量低于20％时，按最大功率的50％降功率输出；当剩余电量低于10％时，停止输出。具体的功率输出控制可以采用现有的一些技术实现，对此本发明实施例不做限定。
前面提到，在实际应用中，飞轮模块13可以采用不同形式的输出方式，对此下面举例说明。
如图2所示，是本发明车辆复合能源供给系统的一种具体结构示意图。
在该实施例中，所述飞轮模块11包括：飞轮131、飞轮电机132、以及电力电子变换装置133。其中，电力电子变换装置133与牵引电机10连接，用于从牵引电机10输入电能，以驱动飞轮电机132带动飞轮131旋转；并在牵引电机10需要能量时，将飞轮131带动飞轮电机132旋转产生的能量转换成牵引电机10所需的电能。所述电力电子变换装置133为双向逆变器。
如图3所示，是本发明车辆复合能源供给系统的另一种具体结构示意图。
在该实施例中，所述系统还包括动力输出轴21，所述动力输出轴21用于将牵引电机10输出的动力传递到车辆的驱动轮22；所述飞轮模块13设置在动力输出轴21上。具体地，牵引电机10的输出轴可以通过传动装置与动力输出轴21连接，驱动轮22可以是前轮(即前驱动)，也可以是后轮(即后驱动)。所述飞轮模块13可以是由动力输出轴21带动旋转的 飞轮。
另外，在该实施例中，所述系统还包括速度传感器23，所述速度传感器23用于获取飞轮模块13的转速，并将所述转速传送给控制模块16。相应地，控制模块16根据所述转速确定飞轮模块13所能提供的最大功率。，所述速度传感器23具体可以设置在所述飞轮模块13的机架上。
本发明车辆复合能源供给系统，将飞轮储能元件应用于电动汽车领域，并辅以太阳能及蓄电池，根据车辆的运行状态合理地分配能量的输出，从而可以有效降低车辆有害物的排放，提升车辆续驶里程，减缓蓄电池的充放电电流，延长蓄电池使用寿命。
本发明实施例的车辆多能源供给系统可以应用于各种不同类型的车辆中，具有该车辆复合能源供给系统的复合能源汽车可以明显减少汽车的总排放量，节约能量，提升汽车续驶里程。
相应地，本发明还提供一种车辆复合能源供给方法，所述复合能源包括：太阳能电池、蓄电池、以及飞轮模块；所述方法包括：
在车辆运行时，由所述飞轮模块向车辆提供驱动功率；
获取车辆运行状态、所述飞轮模块的输出参数、太阳能电池及蓄电池的剩余电量；
根据所述输出参数确定所述飞轮模块所能提供的最大功率；
如果所述飞轮模块输出的最大功率小于车辆所需驱动功率，则控制所述太阳能电池和/或蓄电池向车辆提供驱动功率。比如，如果太阳能电池所能提供的最大功率大于或等于车辆所需驱动功率与飞轮模块所能提供的最大功率的差值，则控制太阳能电池向车辆提供驱动功率，否则控制太阳能电池和蓄电池共同向车辆提供驱动功率。
另外，在车辆处于制动状态或者减速或者下坡状态时，利用电机回馈发电能量优先为所述飞轮模块充电，在所述飞轮模块充满后，再给所述蓄电池充电。
本发明实施例提供的车辆复合能源供给方法，综合利用多种能源驱动车辆，具体地，利用飞轮储能元件的优点，在车辆运行时，由飞轮模块向 车辆提供驱动功率，在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，由太阳能电池和/或蓄电池作为能量补充，从而可以有效降低车辆有害物的排放，提升车辆续驶里程。另外，由于飞轮储能元件具有高功率输出、能量转换效率高、无过充过放问题等优点，因此，不仅对于汽车在启动、加速、爬坡时的大功率输出需求均能较好地满足，改善汽车的动力性和经济性民，而且可以减缓蓄电池的充放电电流，延长蓄电池使用寿命。
以上对本发明实施例进行了详细介绍，本文中应用了具体实施方式对本发明进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及系统；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (10)

  1. 一种车辆复合能源供给系统，其特征在于，包括：太阳能电池模块、蓄电池模块、输入转换模块、DC-AC逆变器、牵引电机、飞轮模块、以及控制模块；所述太阳能电池模块的输出端、所述蓄电池模块的输出端通过所述输入转换模块连接DC-AC逆变器的直流端，所述DC-AC逆变器的交流端连接所述牵引电机；所述控制模块分别与所述输入转换模块和所述飞轮模块信号连接；
    在车辆运行时，由所述飞轮模块向车辆提供驱动功率；所述控制模块获取车辆运行状态、所述飞轮模块的输出参数、太阳能电池模块及蓄电池模块的剩余电量，根据所述输出参数确定所述飞轮模块所能提供的最大功率，并在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，控制所述输入转换模块将所述太阳能电池模块和/或所述蓄电池模块输出的直流电接入所述DC-AC逆变器；所述DC-AC逆变器将所述直流电转换成交流电驱动所述牵引电机。
  2. 根据权利要1所述的系统，其特征在于，所述控制模块根据所述太阳能电池模块及蓄电池模块的剩余电量确定所述太阳能电池模块及蓄电池模块所能提供的最大功率，并且在所述飞轮模块输出的最大功率小于车辆所需驱动功率时，如果所述太阳能电池模块所能提供的最大功率大于或等于车辆所需驱动功率与飞轮模块所能提供的最大功率的差值，则控制所述输入转换模块将所述太阳能电池模块输出的直流电接入所述DC-AC逆变器；否则，控制所述输入转换模块将所述太阳能电池模块和所述蓄电池模块输出的直流电接入所述DC-AC逆变器。
  3. 根据权利要求2所述的系统，其特征在于，在车辆处于制动状态或者减速或者下坡状态时，所述控制模块利用电机回馈发电能量优先控制为所述飞轮模块充电，在所述飞轮模块充满后，再通过所述输入转换模块给所述蓄电池模块充电。
  4. 根据权利要求3所述的系统，其特征在于，所述太阳能电池模块的 输出端还通过所述输入转换模块连接所述蓄电池模块。
  5. 根据权利要1至4任一项所述的系统，其特征在于，所述飞轮模块包括：飞轮、飞轮电机、以及电力电子变换装置；
    所述电力电子变换装置与所述牵引电机连接，用于从所述牵引电机输入电能，以驱动所述飞轮电机带动所述飞轮旋转；并在所述牵引电机需要能量时，将所述飞轮带动所述飞轮电机旋转产生的能量转换成所述牵引电机所需的电能。
  6. 根据权利要求5所述的系统，其特征在于，所述电力电子变换装置为双向逆变器。
  7. 根据权利要1至4任一项所述的系统，其特征在于，所述系统还包括：速度传感器、动力输出轴；
    所述动力输出轴用于将所述牵引电机输出的动力传递到车辆的驱动轮；所述电机的输出轴通过传动装置与所述动力输出轴连接，所述飞轮模块设置在所述动力输出轴上；
    所述速度传感器用于获取所述飞轮模块的转速，并将所述转速传送给所述控制模块；
    所述控制模块根据所述转速确定所述飞轮模块所能提供的最大功率。
  8. 一种车辆复合能源供给方法，其特征在于，所述复合能源包括：太阳能电池、蓄电池、以及飞轮模块；所述方法包括：
    在车辆运行时，由所述飞轮模块向车辆提供驱动功率；
    获取车辆运行状态、所述飞轮模块的输出参数、太阳能电池及蓄电池的剩余电量；
    根据所述输出参数确定所述飞轮模块所能提供的最大功率；
    如果所述飞轮模块输出的最大功率小于车辆所需驱动功率，则控制所述太阳能电池和/或蓄电池向车辆提供驱动功率。
  9. 根据权利要求8所述的方法，其特征在于，
    在车辆处于制动状态或者减速或者下坡状态时，利用电机回馈发电能量优先为所述飞轮模块充电，在所述飞轮模块充满后，再给所述蓄电池充 电。
  10. 一种复合能源汽车，其特征在于，包括权利要求1至7任一项所述的车辆复合能源供给系统。
PCT/CN2017/101479 2017-04-06 2017-09-13 车辆复合能源供给系统及方法、复合能源汽车 WO2018184351A1 (zh)

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