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WO2018166106A1 - Système d'alimentation de véhicule électrique pur à autonomie prolongée et procédé de commande - Google Patents

Système d'alimentation de véhicule électrique pur à autonomie prolongée et procédé de commande Download PDF

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Publication number
WO2018166106A1
WO2018166106A1 PCT/CN2017/090753 CN2017090753W WO2018166106A1 WO 2018166106 A1 WO2018166106 A1 WO 2018166106A1 CN 2017090753 W CN2017090753 W CN 2017090753W WO 2018166106 A1 WO2018166106 A1 WO 2018166106A1
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WO
WIPO (PCT)
Prior art keywords
power
battery pack
engine
charging
voltage
Prior art date
Application number
PCT/CN2017/090753
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English (en)
Chinese (zh)
Inventor
李璟瑜
孟明华
Original Assignee
江苏卡威汽车工业集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏卡威汽车工业集团股份有限公司 filed Critical 江苏卡威汽车工业集团股份有限公司
Publication of WO2018166106A1 publication Critical patent/WO2018166106A1/fr

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Classifications

    • 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
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • 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
    • 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
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of electric vehicles, and particularly relates to a power system and a control method for an extended-program electric vehicle.
  • a power system for an extended-range electric vehicle comprising: a power battery pack (1), an engine (4), a fuel tank (2) for supplying fuel to the engine (4), converting kinetic energy of the engine into Electric energy generator (5), power distribution a controller (8), and a drive motor (6) driving the vehicle, the power battery pack (1), the generator (5), and the drive motor (6) are both connected to a power distribution controller (8) Electrically connected, the power provided by the power battery pack (1) and the generator (5) is supplied to the drive motor (6) through the power distribution controller (8); when the power of the power battery pack (1) is insufficient, The engine (4) is started to drive the generator (5) to generate electricity, and the electric energy generated by the generator (5) is supplied to the driving motor, and the power battery pack (1) is charged.
  • the system further includes a vehicle controller (8) and an engine controller (3), the power battery pack (1), a drive motor (6), an engine controller (3), and a power distribution controller ( 8) is connected to the vehicle controller (8) through a CAN bus, and when the vehicle controller (8) detects that the power of the power battery pack (1) is insufficient, the engine (4) is turned on,
  • the driving motor (6) supplies power and monitors power consumption of the driving motor (6), and when the power consumption is greater than a predetermined value, charging the power battery pack (1) by using a first charging mode; When not greater than the predetermined value, the power battery pack (1) is charged in a second charging mode; the first charging mode is current limiting pulse charging, and the second charging mode is constant voltage charging.
  • the vehicle controller (8) selects the mth voltage threshold, Initiating an activation procedure for the battery pack, the activation procedure comprising the steps of:
  • Constant current charging to the charging cut-off voltage performing positive and negative alternating pulse current circulation 3-10 times in the vicinity of the charging cut-off voltage, the pulse current is 0.1-0.2C, the pulse action time is 10-60s, and the interval is 0. -20s.
  • the fuel in the fuel tank (2) may be gasoline, diesel, natural gas, alcohol ether or a combination thereof.
  • the power battery pack (1) is provided with two external charging ports, and the two external charging ports are respectively used for connecting a 380V fast charging pile or charging with a 220V ordinary power source by using a vehicle charger.
  • the system has a solar panel (11) electrically connected to the power distribution controller (8); when the vehicle is in operation, the solar panel (11) is The drive motor (6) provides auxiliary power; the solar panel (11) charges the power battery pack (1) when the vehicle is stopped or idling.
  • a method for controlling a power system of an extended-range electric vehicle comprising:
  • the engine (4) does not work, and the power battery pack (1) is used to power the vehicle;
  • the vehicle controller (8) sends Commanding to the engine controller (3), causing the engine (4) to operate to drive the generator (5) to generate electricity, the power generated by the generator (5) to generate power to the power battery pack (1), to power the drive motor, and to be the power battery pack (1) Charging.
  • the system has a solar panel (11) electrically connected to the power distribution controller (8); when the vehicle is in operation, the solar panel (11) is The drive motor (6) provides auxiliary power; the solar panel (11) charges the power battery pack (1) when the vehicle is stopped or idling.
  • the present invention has the following beneficial effects:
  • An electric hybrid vehicle or an electric oil hybrid vehicle requires two sets of drive systems, and the pure electric vehicle of the present invention only needs one set of drive system, which saves the production cost of the automobile and reduces the overall weight of the electric vehicle;
  • the current-limiting pulse charging mode preferentially guarantees the driving mileage in the case of preventing the battery pack from being over-released;
  • the constant-voltage charging mode has a higher battery level when the battery pack is low. The high charging speed quickly restores the power of the battery pack, and the charging speed decreases as the battery pack voltage increases, so that the energy is properly distributed while ensuring constant power operation of the engine.
  • the activation mode of the battery is activated to eliminate the polarization and prolong the service life of the battery.
  • lithium is irreversibly embedded in the negative electrode (lithium in part of the SEI film) by pulse circulation at an overdischarge potential, and the lithium salt in part of the SEI film is dissolved to enable it to re-enter the battery charge.
  • the battery capacity is restored; and the pulse is cycled near the charge cut-off voltage, thereby re-forming a stable SEI film, improving the cycle life of the battery;
  • Solar panels are installed in the ceiling of the car. In the summer, the solar panels absorb the heat absorbed to generate electricity while reducing the temperature rise caused by the sun inside the car.
  • FIG. 2 is a schematic diagram of a power system of an extended-range electric vehicle according to Embodiment 2 of the present invention.
  • the vehicle controller (8) detects that the power of the power battery pack (1) is insufficient, the engine (4) is turned on to supply power to the drive motor (6), and the power consumption of the drive motor (6) is monitored.
  • the power battery pack (1) is charged by using a first charging mode; when the power consumption is not greater than a predetermined value, the second charging mode is used as the power battery pack ( 1) charging; the first charging mode is current limiting pulse charging, and the second charging mode is constant voltage charging; the predetermined value is determined according to actual power of the engine and efficiency of the generator.
  • an activation procedure for the battery pack is initiated, and the activation procedure includes the following steps:
  • Embodiment 2 further adds a solar panel (12) to the ceiling of the pure electric vehicle on the basis of the embodiment 1;
  • the pulse current is 0.2 C
  • the pulse action time is 60 s
  • the interval is 20 s.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système d'alimentation d'un véhicule électrique pur à autonomie prolongée comprenant : un bloc-batterie d'alimentation (1), un moteur (4), un réservoir de carburant (2) permettant de fournir du carburant au moteur (4), un générateur (5) permettant de convertir l'énergie cinétique du moteur en énergie électrique, un dispositif de commande de distribution de puissance (8) et un moteur d'entraînement (6) permettant d'entraîner le véhicule pour sa conduite. Le bloc-batterie d'alimentation (1), le générateur (5) et le moteur d'entraînement (6) sont tous électriquement connectés au dispositif de commande de distribution de puissance (8). La puissance fournie par le bloc-batterie d'alimentation (1) et le générateur (5) est fournie au moteur d'entraînement (6) au moyen du dispositif de commande de distribution de puissance (8). Lorsque la puissance du bloc-batterie d'alimentation (1) est insuffisante, le moteur (4) démarre de manière à entraîner le générateur (5) pour générer de l'électricité et fournir la puissance électrique générée par le moteur (5) au moteur d'entraînement (6) et charger le bloc-batterie d'alimentation (1). Le système décrit peut charger un bloc-batterie, distribuer de l'énergie de manière intelligente et mettre en œuvre une maintenance du bloc-batterie en fonction de la situation de conduite d'un véhicule et peut prolonger le kilométrage d'un véhicule électrique et la durée de vie du bloc-batterie. La présente invention concerne un procédé de commande pour le système d'alimentation du véhicule électrique pur à autonomie prolongée.
PCT/CN2017/090753 2017-03-17 2017-06-29 Système d'alimentation de véhicule électrique pur à autonomie prolongée et procédé de commande WO2018166106A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710161074.7 2017-03-17
CN201710161074.7A CN107097656B (zh) 2017-03-17 2017-03-17 一种增程式纯电动汽车的动力系统及控制方法

Publications (1)

Publication Number Publication Date
WO2018166106A1 true WO2018166106A1 (fr) 2018-09-20

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WO (1) WO2018166106A1 (fr)

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CN110014879A (zh) * 2017-09-19 2019-07-16 程君 纯电力驱动新能源车及其专用电池组
CN109677278A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种增程式电动汽车增程系统
CN109683601A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种无人驾驶汽车主动安全系统
CN109683598A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种电动汽车智能化无人驾驶系统
CN109677281A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种增程式电动汽车动力系统
CN109683600A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种无人驾驶汽车行进路线自主控制系统
CN109683599A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种无人驾驶汽车自主避障系统
CN109683597A (zh) * 2017-10-18 2019-04-26 江苏卡威汽车工业集团股份有限公司 一种基于太阳能的无人驾驶公共电动汽车系统
CN107901768A (zh) * 2017-11-30 2018-04-13 安徽江淮汽车集团股份有限公司 一种太阳能汽车供电系统及方法
US20190337408A1 (en) * 2018-05-04 2019-11-07 Hybrid Kinetic Motors Corporation Method for controlling range-extended electric vehicles having lithium titanate oxide (lto) battery with super high charge and discharge rates
CN109177749B (zh) * 2018-09-20 2022-02-08 哈尔滨理工大学 增程式电动客车三能源动力系统及能量管理方法
CN109501629B (zh) * 2018-11-17 2020-08-18 宁波洁程汽车科技有限公司 一种基于增程器开发的充电装置用充电系统以及方法
CN111572748A (zh) * 2019-02-15 2020-08-25 哈尔滨智明科技有限公司 一种增程式电动船
CN110696629A (zh) * 2019-11-01 2020-01-17 刘思奇 一种交替更换电池方便快捷不受里程限制的纯电动汽车
CN113232577B (zh) * 2021-06-28 2022-09-09 福州市唯联高鑫智能科技有限公司 一种增程式冷链物流车
CN114336886B (zh) * 2022-01-06 2024-10-29 江西吉利新能源商用车有限公司 增程式充电系统及方法
CN118254607B (zh) * 2024-05-09 2024-10-15 北京中环投资管理有限公司 电动汽车的动力系统及其控制方法

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CN107097656A (zh) 2017-08-29

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