JP2020006815A - Power generation control device - Google Patents

Power generation control device Download PDF

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Publication number
JP2020006815A
JP2020006815A JP2018129959A JP2018129959A JP2020006815A JP 2020006815 A JP2020006815 A JP 2020006815A JP 2018129959 A JP2018129959 A JP 2018129959A JP 2018129959 A JP2018129959 A JP 2018129959A JP 2020006815 A JP2020006815 A JP 2020006815A
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power generation
battery
destination
generator
vehicle
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JP2018129959A
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JP7172201B2 (en
Inventor
祐 滝井
Yu Takii
祐 滝井
靖 曽布川
Yasushi Sofugawa
靖 曽布川
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Suzuki Motor Corp
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Suzuki Motor Corp
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Priority to JP2018129959A priority Critical patent/JP7172201B2/en
Priority to DE102019209836.3A priority patent/DE102019209836A1/en
Priority to FR1907671A priority patent/FR3083489B1/en
Publication of JP2020006815A publication Critical patent/JP2020006815A/en
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    • 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
    • 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
    • B60K6/42—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 the architecture of the hybrid electric vehicle
    • B60K6/46—Series type
    • 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
    • B60L50/62—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 charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • 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]
    • B60L58/13—Maintaining the SoC within a determined range
    • 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]
    • B60L58/14—Preventing excessive discharging
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/0097—Predicting future conditions
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/085—Changing the parameters of the control units, e.g. changing limit values, working points by control input
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/60—Navigation input
    • B60L2240/62—Vehicle position
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/146—Display means
    • 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
    • B60W2510/244—Charge state
    • 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • 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
    • Y02T90/14—Plug-in electric 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

To provide a power generation control device capable of preventing a power storage amount from dropping to a level disabling a vehicle to travel, even for the vehicle that allows an occupant to operate to switch between in a state of generating power and in a state of not-generating power.SOLUTION: A power generation control device for a vehicle comprises: a motor generator for traveling; a battery that supplies power to the motor generator; a generator that generates electricity to charge the battery; an engine that drives the generator; a power generation switch that is operated by an occupant; a navigation device for setting a destination according to an operation of the occupant. The power generation control device further comprises: a power generation control part that causes the engine to operate to start power generation when the power generation switch is turned on; and a power generation prompt part for prompting the engine to operate to charge the battery when the vehicle is determined to be unable to travel up to the destination from a current location.SELECTED DRAWING: Figure 2

Description

本発明は、発電制御装置に関する。   The present invention relates to a power generation control device.

特許文献１には、エンジン駆動式の発電装置を備えた電気駆動式車両において、発電装置に対して運転要求をするための操作手段として発電スイッチがインストルメントパネルに設けられたものが開示されている。   Patent Literature 1 discloses an electrically driven vehicle including an engine-driven power generation device, in which a power generation switch is provided on an instrument panel as operation means for requesting an operation of the power generation device. I have.

この特許文献１に記載の電気駆動式車両において、発電スイッチがＯＮである場合には発電装置に対する運転要求が有りの状態となる。   In the electric drive type vehicle described in Patent Literature 1, when the power generation switch is ON, an operation request is issued to the power generation device.

国際公開第２０１１／０８９７２６号パンフレットWO 2011/089726 pamphlet

しかしながら、特許文献１に記載の電気駆動式車両にあっては、乗員が発電スイッチをＯＮに操作しなければ発電装置による発電が行われず、その結果、バッテリの蓄電量が低下してしまい、走行不能になるおそれがある。これにより、道路上で電気駆動式車両が停止してしまい、周囲の車両の走行の妨げとなるおそれがあった。   However, in the electric drive type vehicle described in Patent Document 1, power generation by the power generation device is not performed unless the occupant turns on the power generation switch, and as a result, the amount of stored power in the battery decreases, and the vehicle travels. It may become impossible. As a result, the electrically driven vehicle stops on the road, which may hinder the traveling of surrounding vehicles.

本発明は、上述のような事情に鑑みてなされたもので、乗員の操作によって発電の実施及び停止を切替可能な車両であっても、車両が走行不能となるまでバッテリの蓄電量が低下してしまうことを防止することができる発電制御装置を提供することを目的とするものである。   The present invention has been made in view of the above circumstances, and even in a vehicle that can switch between performing and stopping power generation by an occupant's operation, the amount of stored battery power decreases until the vehicle becomes unable to run. It is an object of the present invention to provide a power generation control device capable of preventing the occurrence of power generation.

本発明は、走行用のモータと、前記モータに電力を供給するバッテリと、前記バッテリに充電する電気を発電する発電機と、前記発電機を駆動する内燃機関と、乗員によって操作される発電スイッチと、乗員の操作によって目的地を設定する目的地設定部とを備えた電動車両の発電制御装置であって、前記発電スイッチがオンに操作されると、前記内燃機関を駆動して発電を開始する発電制御部と、前記電動車両の現在地から前記目的地まで前記電動車両が走行することができない場合に、前記発電機の駆動による前記バッテリの充電を促す発電喚起部と、を備える。   The present invention provides a traveling motor, a battery for supplying power to the motor, a generator for generating electricity for charging the battery, an internal combustion engine for driving the generator, and a power generation switch operated by a passenger. And a destination setting unit for setting a destination by an operation of an occupant, wherein when the power generation switch is turned on, the internal combustion engine is driven to start power generation. A power generation control unit that performs the operation of the electric vehicle and drives the generator to charge the battery when the electric vehicle cannot travel from the current location of the electric vehicle to the destination.

本発明によれば、乗員の操作によって発電の実施及び停止を切替可能な車両であっても、車両が走行不能となるまでバッテリの蓄電量が低下してしまうことを防止することができる発電制御装置を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, even if it is a vehicle which can switch execution and stop of power generation by operation of an occupant, it is possible to prevent the amount of stored power in the battery from decreasing until the vehicle becomes unable to run. An apparatus can be provided.

図１は、本発明の一実施例に係る車両の構成図である。FIG. 1 is a configuration diagram of a vehicle according to one embodiment of the present invention. 図２は、本発明の一実施例に係る車両のＥＣＵにおける処理の流れを示すフローチャートである。FIG. 2 is a flowchart showing a flow of processing in the ECU of the vehicle according to one embodiment of the present invention.

本発明の一実施の形態に係る発電制御装置は、走行用のモータと、モータに電力を供給するバッテリと、バッテリに充電する電気を発電する発電機と、発電機を駆動する内燃機関と、乗員によって操作される発電スイッチと、乗員の操作によって目的地を設定する目的地設定部とを備えた電動車両の発電制御装置であって、発電スイッチがオンに操作されると、内燃機関を駆動して発電を開始する発電制御部と、電動車両の現在地から目的地まで電動車両が走行することができない場合に、発電機の駆動によるバッテリの充電を促す発電喚起部と、を備えることを特徴とする。これにより、本発明の一実施の形態に係る発電制御装置は、乗員の操作によって発電の実施及び停止を切替可能な車両であっても、車両が走行不能となるまでバッテリの蓄電量が低下してしまうことを防止することができる。   A power generation control device according to one embodiment of the present invention includes a traveling motor, a battery that supplies power to the motor, a generator that generates electricity for charging the battery, and an internal combustion engine that drives the generator. A power generation control device for an electric vehicle including a power generation switch operated by an occupant and a destination setting unit configured to set a destination by operation of the occupant, wherein when the power generation switch is turned on, the internal combustion engine is driven. A power generation control unit that starts power generation by power generation, and a power generation arousing unit that prompts charging of the battery by driving the generator when the electric vehicle cannot travel from the current position of the electric vehicle to the destination. And As a result, the power generation control device according to one embodiment of the present invention reduces the amount of stored power in the battery until the vehicle becomes incapable of running, even in a vehicle that can switch between performing and stopping power generation by an occupant. Can be prevented.

以下、本発明の一実施例に係る発電制御装置について図面を用いて説明する。   Hereinafter, a power generation control device according to an embodiment of the present invention will be described with reference to the drawings.

図１に示すように、車両１０は、内燃機関としてのエンジン２０と、発電機３０と、車輪１２と、車両を走行させる走行用のモータジェネレータ（以下、「ＭＧ」という）４０と、走行用のバッテリ５０と、ＥＣＵ（Electronic Control Unit）１００と、エンジン２０を始動する始動装置であるスタータ（図示せず）とを含んで構成される。車両１０は、ＭＧ４０の動力により走行する電動車両である。   As shown in FIG. 1, a vehicle 10 includes an engine 20 as an internal combustion engine, a generator 30, wheels 12, a traveling motor generator (hereinafter, referred to as “MG”) 40 for traveling the vehicle, and a traveling , An ECU (Electronic Control Unit) 100, and a starter (not shown) which is a starting device for starting the engine 20. The vehicle 10 is an electric vehicle that runs with the power of the MG 40.

エンジン２０には、複数の気筒が形成されている。本実施例において、エンジン２０は、各気筒に対して、吸気行程、圧縮行程、膨張行程および排気行程からなる一連の４行程を行うように構成されている。   The engine 20 has a plurality of cylinders. In the present embodiment, the engine 20 is configured to perform a series of four strokes including an intake stroke, a compression stroke, an expansion stroke, and an exhaust stroke for each cylinder.

発電機３０は、エンジン２０のクランクシャフトとギヤ等の駆動部材を介して連結されており、エンジン２０の動力により発電する発電機の機能を有する。   The generator 30 is connected to a crankshaft of the engine 20 via a driving member such as a gear, and has a function of a generator that generates power by the power of the engine 20.

ＭＧ４０は、電動機および発電機の機能を有する回転電機であり、ドライブシャフト１１を介して車輪１２に連結されている。   MG 40 is a rotating electric machine having functions of an electric motor and a generator, and is connected to wheels 12 via drive shaft 11.

バッテリ５０は、リチウムイオンバッテリ等の二次電池からなり、発電機３０、ＭＧ４０および図示しない電装品等に電力を供給する。また、バッテリ５０は、発電機３０およびＭＧ４０が発電した電力を蓄電する。   The battery 50 is composed of a secondary battery such as a lithium ion battery, and supplies power to the generator 30, the MG 40, and electrical components (not shown). Battery 50 stores the electric power generated by generator 30 and MG 40.

ＥＣＵ１００は、ＣＰＵ（Central Processing Unit）と、ＲＡＭ（Random Access Memory）と、ＲＯＭ（Read Only Memory）と、バックアップ用のデータなどを保存するフラッシュメモリと、入力ポートと、出力ポートとを備えたコンピュータユニットによって構成されている。   The ECU 100 is a computer including a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory for storing backup data, an input port, and an output port. It is composed of units.

このコンピュータユニットのＲＯＭには、各種定数や各種マップ等とともに、当該コンピュータユニットをＥＣＵ１００として機能させるためのプログラムが格納されている。すなわち、ＣＰＵがＲＡＭを作業領域としてＲＯＭに格納されたプログラムを実行することにより、これらのコンピュータユニットは、本実施例におけるＥＣＵ１００として機能する。   The ROM of the computer unit stores programs for causing the computer unit to function as the ECU 100, along with various constants and various maps. That is, when the CPU executes the program stored in the ROM using the RAM as a work area, these computer units function as the ECU 100 in the present embodiment.

ＥＣＵ１００には、エンジン２０、発電機３０、ＭＧ４０、バッテリセンサ５１、アクセル開度センサ６０、発電スイッチ７０、カーナビゲーション装置８０、スタータが接続されている。ＥＣＵ１００は、エンジン２０、発電機３０およびＭＧ４０を制御する。   The ECU 100 is connected to the engine 20, the generator 30, the MG 40, the battery sensor 51, the accelerator opening sensor 60, the power generation switch 70, the car navigation device 80, and the starter. ECU 100 controls engine 20, generator 30 and MG 40.

バッテリセンサ５１は、バッテリ５０の蓄電量、すなわち充電状態（ＳＯＣ）を検出する。アクセル開度センサ６０は、アクセルペダル６１の操作量を検出する。これら各センサは、検出結果を示す信号をＥＣＵ１００に出力する。   The battery sensor 51 detects a charged amount of the battery 50, that is, a state of charge (SOC). The accelerator opening sensor 60 detects an operation amount of an accelerator pedal 61. Each of these sensors outputs a signal indicating the detection result to the ECU 100.

発電スイッチ７０は、車両１０のインストルメントパネルに設置されており、乗員によって操作されるようになっている。発電スイッチ７０は、インストルメントパネルに限らず、例えばカーナビゲーション装置８０の表示画面上にタッチアイコンとして設けられていてもよい。また、発電スイッチ７０は、車両１０を起動するリモコンキーに設けられていてもよいし、スマートフォン等の携帯端末に専用アプリとしてインストールされていてもよい。   The power generation switch 70 is installed on an instrument panel of the vehicle 10 and is operated by an occupant. The power generation switch 70 is not limited to the instrument panel, and may be provided as a touch icon on a display screen of the car navigation device 80, for example. The power generation switch 70 may be provided on a remote control key for starting the vehicle 10, or may be installed as a dedicated application on a mobile terminal such as a smartphone.

発電スイッチ７０は、エンジン２０を駆動して発電機３０による発電を開始するために乗員によって操作されるスイッチである。発電スイッチ７０がオンに操作されると、ＥＣＵ１００によってエンジン２０が駆動されて発電機３０による発電が開始される。これにより、バッテリ５０が充電される。   The power generation switch 70 is a switch operated by an occupant to drive the engine 20 and start power generation by the generator 30. When the power generation switch 70 is turned on, the engine 20 is driven by the ECU 100 and the power generation by the generator 30 is started. Thereby, the battery 50 is charged.

また、発電スイッチ７０は、ボタン式又はダイヤル式のスイッチで構成されており、発電量を調整可能に構成されている。具体的には、発電スイッチ７０には、乗員の操作によって発電量を調整できる発電量調整部７１が設けられている。   The power generation switch 70 is configured by a button-type or dial-type switch, and is configured to be capable of adjusting the amount of power generation. Specifically, the power generation switch 70 is provided with a power generation amount adjustment unit 71 that can adjust the power generation amount by the operation of the occupant.

発電スイッチ７０がボタン式の場合の発電量調整部７１としては、例えば発電量を増加させる「＋」ボタン及び発電量を減少させる「−」ボタンによって構成することができる。この場合、発電スイッチ７０のオンオフは、例えば「＋」ボタン及び「−」ボタンと別途設けられたオンオフボタンによって切り替えられる。   When the power generation switch 70 is a button type, the power generation amount adjustment unit 71 can be configured by, for example, a “+” button for increasing the power generation amount and a “−” button for decreasing the power generation amount. In this case, on / off of the power generation switch 70 is switched by, for example, an on / off button provided separately from the “+” button and the “−” button.

発電スイッチ７０がダイヤル式の場合の発電量調整部７１としては、例えば回転量によって発電量の増減を調整できるダイヤルによって構成することができる。この場合、発電スイッチ７０は、例えば当該ダイヤルと別途設けられたオンオフボタンによってオン又はオフを切り替える構成としてもよいし、当該ダイヤルを初期位置から回転させるとオンに切り替わり、当該ダイヤルを初期位置に戻すとオフに切り替わる構成としてもよい。   When the power generation switch 70 is of a dial type, the power generation amount adjustment unit 71 can be configured by a dial that can adjust the increase or decrease of the power generation amount by the rotation amount, for example. In this case, the power generation switch 70 may be turned on or off by, for example, an on / off button provided separately from the dial, or turned on when the dial is rotated from the initial position, and the dial is returned to the initial position. Alternatively, the configuration may be switched to off.

なお、上述した発電スイッチ７０及び発電量調整部７１の構成は一例であって、これに限定されるものではなく、発電スイッチ７０のオンオフの切替と発電量の増減が調整できる構成であればよい。   The configuration of the power generation switch 70 and the power generation amount adjustment unit 71 described above is an example, and is not limited thereto. Any configuration may be used as long as the switching of the power generation switch 70 can be turned on and off and the amount of power generation can be adjusted. .

カーナビゲーション装置８０は、地図情報等を表示する表示部、乗員によって目的地等を操作入力するタッチパネル式の入力部、車両１０の現在位置を検出する現在位置検出部、車両１０の現在位置から目的地までのルートを検索するルート検索部、車両１０の現在位置から目的地までの距離を算出する距離算出部、履歴情報等を記憶する記憶部などを備える。カーナビゲーション装置８０は、乗員によって入力部を介して操作入力された目的地を車両１０の目的地として設定する。本実施例におけるカーナビゲーション装置８０は、目的地設定部を構成する。   The car navigation device 80 includes a display unit for displaying map information and the like, a touch panel type input unit for inputting a destination and the like by an occupant, a current position detection unit for detecting the current position of the vehicle 10, A route search unit that searches for a route to the ground, a distance calculation unit that calculates the distance from the current position of the vehicle 10 to the destination, a storage unit that stores history information, and the like are provided. The car navigation device 80 sets the destination operated and input by the occupant via the input unit as the destination of the vehicle 10. The car navigation device 80 in the present embodiment constitutes a destination setting unit.

カーナビゲーション装置８０は、ＥＣＵ１００と双方向通信可能に接続されており、ＥＣＵ１００から車速等の各種情報を取得可能に構成され、ＥＣＵ１００に対しては例えば距離算出部によって算出した現在位置から目的地までの距離等の情報を送信可能に構成されている。   The car navigation device 80 is connected to the ECU 100 so as to be capable of two-way communication, and configured to be able to acquire various information such as the vehicle speed from the ECU 100. For the ECU 100, for example, from the current position calculated by the distance calculation unit to the destination. It is configured to be able to transmit information such as the distance of the vehicle.

ＥＣＵ１００は、発電スイッチ７０がオンに操作されたことを検出すると、エンジン２０を駆動して発電機３０による発電を開始する発電制御部１０１としての機能を有する。ＥＣＵ１００は、発電が開始された後、バッテリ５０のＳＯＣが所望のＳＯＣに達する等、所定の条件が成立すると、エンジン２０の駆動を停止して発電機３０による発電を停止する。ＥＣＵ１００は、発電が開始された後、発電スイッチ７０がオフに操作されたことを検出した場合にも発電を停止する。   When detecting that the power generation switch 70 has been turned on, the ECU 100 has a function as a power generation control unit 101 that drives the engine 20 and starts power generation by the generator 30. ECU 100 stops driving of engine 20 and stops power generation by generator 30 when predetermined conditions are satisfied, such as when the SOC of battery 50 reaches a desired SOC after power generation is started. After starting the power generation, the ECU 100 also stops the power generation when it detects that the power generation switch 70 has been turned off.

ＥＣＵ１００は、車両１０の現在位置から目的地まで車両１０が走行することができない場合に、発電機３０の駆動によるバッテリ５０の充電を促す発電喚起部１０２としての機能を有する。   The ECU 100 has a function as a power generation reminding unit 102 for prompting the charging of the battery 50 by driving the generator 30 when the vehicle 10 cannot travel from the current position of the vehicle 10 to the destination.

具体的には、ＥＣＵ１００は、現在のバッテリ５０のＳＯＣから求めた走行可能距離が、現在位置から目的地までの走行距離よりも短い場合には、現在位置から目的地まで車両１０が走行することができないと判定することができる。ＥＣＵ１００は、バッテリ５０のＳＯＣとの走行可能距離との関係を示すマップ等を参照することにより、現在のバッテリ５０のＳＯＣに応じた走行可能距離を求めることができる。バッテリ５０のＳＯＣとの走行可能距離との関係を示すマップは、予め実験的に求めてＥＣＵ１００のＲＯＭに記憶されている。   Specifically, if the travelable distance calculated from the current SOC of battery 50 is shorter than the travel distance from the current position to the destination, ECU 100 determines that vehicle 10 travels from the current position to the destination. Can not be determined. The ECU 100 can determine the travelable distance according to the current SOC of the battery 50 by referring to a map or the like indicating the relationship between the SOC of the battery 50 and the travelable distance. The map indicating the relationship between the SOC of the battery 50 and the travelable distance is obtained experimentally in advance and stored in the ROM of the ECU 100.

ＥＣＵ１００は、現在位置から目的地まで車両１０が走行可能か否かを、車両１０の走行開始後、例えば所定時間ごと又は所定距離ごとに判定する。ＥＣＵ１００によって車両１０の走行開始時に発電を行わなくとも目的地まで車両１０が走行可能であると判定された場合であっても、その後の走行条件や目的地までのルートが当初設定したルートと異なるルートに変更された場合などは目的地まで車両１０が走行不能となる場合もある。このような場合に、上述したように現在位置から目的地まで車両１０が走行可能か否かを定期的に判定することで、目的地まで車両１０が走行不能と判定した時点で乗員に対してバッテリ５０の充電を促すことができる。このため、ＥＣＵ１００は、早期にバッテリ５０の充電を促すことができる。   The ECU 100 determines whether or not the vehicle 10 can travel from the current position to the destination, for example, every predetermined time or every predetermined distance after the vehicle 10 starts running. Even when the ECU 100 determines that the vehicle 10 can travel to the destination without generating power at the start of traveling of the vehicle 10, the subsequent traveling conditions and the route to the destination are different from the initially set route. When the route is changed, the vehicle 10 may not be able to travel to the destination. In such a case, as described above, by periodically determining whether or not the vehicle 10 can travel from the current position to the destination, the occupant is notified when the vehicle 10 is determined to be unable to travel to the destination. Charging of the battery 50 can be prompted. Therefore, ECU 100 can promptly charge battery 50 at an early stage.

ＥＣＵ１００は、上述のように現在位置から目的地まで車両１０が走行することができないと判定した場合には、音声により、又はカーナビゲーション装置８０の表示部に表示を行うことにより、バッテリ５０の充電を促すことができる。バッテリ５０の充電を促す方法としては、前述した方法の他、例えばインストルメントパネルに設けられた警告ランプ等の点灯又は点滅によってバッテリ５０の充電を促す方法でもよい。   When the ECU 100 determines that the vehicle 10 cannot travel from the current position to the destination as described above, the ECU 100 charges the battery 50 by displaying it by voice or by displaying it on the display unit of the car navigation device 80. Can be encouraged. As a method of prompting the charging of the battery 50, in addition to the above-described method, a method of prompting the charging of the battery 50 by turning on or blinking a warning lamp provided on the instrument panel, for example, may be used.

ＥＣＵ１００は、車両１０の現在位置から目的地までの走行に要するバッテリ５０のＳＯＣに基づき、発電量の調整量を乗員に報知する発電量調整喚起部１０３としての機能を有する。   The ECU 100 has a function as a power generation adjustment arousing unit 103 that notifies an occupant of the amount of power generation adjustment based on the SOC of the battery 50 required for traveling from the current position of the vehicle 10 to the destination.

具体的には、ＥＣＵ１００は、カーナビゲーション装置８０によって算出された目的地までの距離を走行するのに必要なバッテリ５０のＳＯＣｄｓｔを算出する。ＥＣＵ１００は、走行距離とバッテリ５０のＳＯＣｄｓｔとの関係を示すマップ等を参照することにより、目的地までの距離を走行するのに必要なバッテリ５０のＳＯＣｄｓｔを算出することができる。走行距離とバッテリ５０のＳＯＣｄｓｔとの関係を示すマップは、予め実験的に求めてＥＣＵ１００のＲＯＭに記憶されている。走行距離とバッテリ５０のＳＯＣｄｓｔとの関係を示すマップとして、上述したバッテリ５０のＳＯＣとの走行可能距離との関係を示すマップを用いてもよい。   Specifically, the ECU 100 calculates the SOCdst of the battery 50 required to travel the distance to the destination calculated by the car navigation device 80. The ECU 100 can calculate the SOCdst of the battery 50 required to travel the distance to the destination by referring to a map or the like indicating the relationship between the traveling distance and the SOCdst of the battery 50. A map indicating the relationship between the traveling distance and the SOCdst of the battery 50 is obtained experimentally in advance and stored in the ROM of the ECU 100. As the map indicating the relationship between the running distance and the SOCdst of the battery 50, the above-described map indicating the relationship between the running distance of the battery 50 and the SOC may be used.

ＥＣＵ１００は、発電量調整部７１を介して乗員によって調整された発電量と、現在地から目的地に到達するまでにかかる時間とに基づき、目的地に到達するまでに発電される発電量の総和を算出する。目的地に到達するまでにかかる時間は、渋滞等を考慮して算出されるのが好ましい。   The ECU 100 calculates the sum of the amounts of power generated until reaching the destination based on the power generation adjusted by the occupant via the power generation amount adjustment unit 71 and the time required to reach the destination from the current location. calculate. The time required to reach the destination is preferably calculated in consideration of traffic congestion and the like.

ＥＣＵ１００は、上述のように算出した発電量の総和分の発電が行われるとした場合に得られるバッテリ５０のＳＯＣｒｅｑが、上述のバッテリ５０のＳＯＣｄｓｔに対して過大か、過少かを判定する。   The ECU 100 determines whether the SOCreq of the battery 50 obtained when the power generation corresponding to the total power generation amount calculated as described above is performed is excessively large or small with respect to the SOCdst of the battery 50 described above.

ＥＣＵ１００は、バッテリ５０の充電受入性に基づき、発電量の調整量を乗員に報知する時期を調整する。充電受入性とは、所定の条件下におけるバッテリの充電効率を示すものである。バッテリ５０のＳＯＣが高い領域では充電受入性が低く充電効率が低い、バッテリ５０のＳＯＣが低い領域では充電受入性が高く充電効率が高い。   ECU 100 adjusts the timing of notifying the occupant of the amount of power generation adjustment based on the charge acceptability of battery 50. The charge acceptability indicates the charge efficiency of the battery under predetermined conditions. In a region where the SOC of the battery 50 is high, the charge acceptability is low and the charge efficiency is low. In a region where the SOC of the battery 50 is low, the charge acceptability is high and the charge efficiency is high.

したがって、ＥＣＵ１００は、バッテリ５０の充電受入性が高くなったタイミング、すなわち充電効率が高くなったタイミングで発電量の調整量を乗員に報知する。これにより、バッテリ５０が効率よく充電されるうえに、発電機３０を駆動するエンジン２０の燃料消費を抑制することができる。   Therefore, ECU 100 notifies the occupant of the amount of power generation adjustment at the timing when the charge acceptability of battery 50 is increased, that is, when the charging efficiency is increased. Thereby, the battery 50 can be charged efficiently and the fuel consumption of the engine 20 that drives the generator 30 can be suppressed.

カーナビゲーション装置８０は、ＥＣＵ１００から送信される現在のバッテリ５０のＳＯＣに基づき、発電を行わずに当該ＳＯＣのみで目的地に到達できるルートがあれば、そのルートを複数選定される目的地までのルートに含めるのが好ましい。   Based on the current SOC of the battery 50 transmitted from the ECU 100, if there is a route that can reach the destination only by the SOC without generating power, the car navigation device 80 selects a plurality of routes to the selected destination. Preferably it is included in the route.

また、カーナビゲーション装置８０は、上記に加えて、発電機３０による発電を行いつつも走行時間の短縮が可能となるルートや、目的地までの走行に要する費用を抑えることのできるルートも併せて選定するのが好ましい。走行に要する費用には、例えばエンジン２０で消費される燃料にかかる費用などが含まれる。   In addition, in addition to the above, the car navigation device 80 also includes a route that can reduce the traveling time while generating power by the generator 30 and a route that can reduce the cost required for traveling to the destination. It is preferable to select one. The cost required for traveling includes, for example, the cost of fuel consumed by the engine 20.

次に、図２を参照して、本実施例のＥＣＵ１００による処理の流れについて説明する。   Next, a flow of processing by the ECU 100 of the present embodiment will be described with reference to FIG.

ＥＣＵ１００は、乗員の操作入力に基づきカーナビゲーション装置８０によって目的地が設定されると（ステップＳ１）、目的地まで走行するのに発電が必要か否かを判定する（ステップＳ２）。   When a destination is set by the car navigation device 80 based on an occupant's operation input (step S1), the ECU 100 determines whether power generation is necessary to travel to the destination (step S2).

具体的には、ＥＣＵ１００は、現在のバッテリ５０のＳＯＣに基づき現在位置から目的地まで車両１０が走行することができるか否かを判断することにより、発電が必要か否かを判定する。   Specifically, ECU 100 determines whether power generation is necessary by determining whether or not vehicle 10 can travel from the current position to the destination based on the current SOC of battery 50.

ＥＣＵ１００は、目的地まで走行するのに発電が必要であると判定した場合には、乗員に対してバッテリ５０の充電を促す発電喚起を行う（ステップＳ３）。ＥＣＵ１００は、音声により、又はカーナビゲーション装置８０の表示部に表示を行うことにより発電喚起を行う。ＥＣＵ１００は、目的地まで走行するのに発電が必要でないと判定した場合には、ステップＳ３の発電喚起を行うことなくステップＳ４に処理を移す。   When the ECU 100 determines that power generation is necessary to travel to the destination, the ECU 100 prompts the occupant to charge the battery 50 (step S3). The ECU 100 evokes power generation by voice or by displaying on the display unit of the car navigation device 80. If the ECU 100 determines that power generation is not required to travel to the destination, the ECU 100 proceeds to step S4 without invoking power generation in step S3.

次いで、ＥＣＵ１００は、乗員によって発電量調整部７１が操作されたか否かを判定する（ステップＳ４）。ＥＣＵ１００は、乗員によって発電量調整部７１が操作されていないと判定した場合には、図２に示す処理を終了する。   Next, the ECU 100 determines whether or not the occupant has operated the power generation amount adjusting unit 71 (step S4). When it is determined that the power generation amount adjustment unit 71 is not operated by the occupant, the ECU 100 ends the processing illustrated in FIG.

ＥＣＵ１００は、乗員によって発電量調整部７１が操作されたと判定した場合には、発電量の調整が必要か否かを判定する（ステップＳ５）。具体的には、ＥＣＵ１００は、バッテリ５０のＳＯＣｒｅｑがＳＯＣｄｓｔに対して過大か、過少かを判定する。   When the ECU 100 determines that the occupant has operated the power generation amount adjustment unit 71, the ECU 100 determines whether the power generation amount needs to be adjusted (step S5). Specifically, ECU 100 determines whether SOCreq of battery 50 is too large or too small for SOCdst.

ＥＣＵ１００は、発電量の調整が必要でない、すなわちＳＯＣｒｅｑがＳＯＣｄｓｔに対して過大でも過少でもなく、例えばＳＯＣｒｅｑがＳＯＣｄｓｔを含む一定範囲のＳＯＣ領域に含まれると判定した場合には、ステップＳ６の発電量調整喚起を行うことなく図２に示す処理を終了する。   If the ECU 100 determines that the power generation amount does not need to be adjusted, that is, the SOCreq is neither too large nor too small with respect to the SOCdst, for example, if the SOCreq is included in a certain range of the SOC region including the SOCdst, the power generation amount in step S6 is determined. The process shown in FIG. 2 is terminated without performing the adjustment arousal.

ＥＣＵ１００は、発電量の調整が必要である、すなわちＳＯＣｒｅｑがＳＯＣｄｓｔに対して過大又は過少であると判定した場合には、発電量の調整量を乗員に報知する発電量調整喚起を行って（ステップＳ６）、図２に示す処理を終了する。ＥＣＵ１００は、発電喚起と同様の報知方法により発電量調整喚起を行う。   When the ECU 100 determines that the power generation amount needs to be adjusted, that is, when it is determined that the SOCreq is too large or too small with respect to the SOCdst, the ECU 100 performs a power generation amount adjustment call to notify the occupant of the power generation amount adjustment amount (step S6), the processing shown in FIG. 2 ends. The ECU 100 performs a power generation amount adjustment call by the same notification method as the power generation call.

以上のように、本実施例に係る発電制御装置は、車両１０の現在位置から目的地まで車両１０が走行することができない場合に、発電機３０の駆動によるバッテリ５０の充電を促す発電喚起を行うので、車両１０が走行不能となるまでバッテリ５０のＳＯＣが低下してしまうことを防止することができる。したがって、走行用のバッテリ５０のＳＯＣが不足することにより車両１０が道路上に停止してしまうことが防止される。   As described above, when the vehicle 10 cannot travel from the current position of the vehicle 10 to the destination, the power generation control device according to the present embodiment generates a power generation stimulus that prompts charging of the battery 50 by driving the generator 30. Accordingly, it is possible to prevent the SOC of the battery 50 from decreasing until the vehicle 10 cannot travel. Therefore, the vehicle 10 is prevented from stopping on the road due to the shortage of the SOC of the battery 50 for traveling.

また、本実施例に係る発電制御装置は、走行用のバッテリ５０が過放電の状態となってしまうことを防止でき、走行用のバッテリ５０の故障を未然に防ぐことができる。   Further, the power generation control device according to the present embodiment can prevent the traveling battery 50 from being in an overdischarged state, and can prevent a failure of the traveling battery 50 before it occurs.

また、本実施例に係る発電制御装置は、車両１０の現在位置から目的地までの距離を走行するのに必要なバッテリ５０のＳＯＣｄｓｔに基づき、発電量の調整量を乗員に報知する発電量調整喚起を行うので、適切な発電量を設定するように乗員に促すことができる。これにより、本実施例に係る発電制御装置は、発電機３０を駆動するエンジン２０の燃料消費を抑制したり、バッテリ５０が電欠状態に陥ったりすることを防止できる。   Further, the power generation control device according to the present embodiment notifies the occupant of the amount of power generation adjustment based on the SOCdst of the battery 50 required to travel the distance from the current position of the vehicle 10 to the destination. Since the evacuation is performed, the occupant can be urged to set an appropriate power generation amount. As a result, the power generation control device according to the present embodiment can suppress fuel consumption of the engine 20 that drives the generator 30 and prevent the battery 50 from falling into a power shortage state.

本発明の実施例を開示したが、当業者によっては本発明の範囲を逸脱することなく変更が加えられうることは明白である。例えば、発電機３０とエンジン２０の始動装置であるスタータとを別個に設けることとしたが、発電機３０を、発電機とスタータとの機能を共に有するスタータジェネレータとしてもよい。すべてのこのような修正および等価物が次の請求項に含まれることが意図されている。   While embodiments of the present invention have been disclosed, it will be apparent that modifications may be made by those skilled in the art without departing from the scope of the invention. For example, although the generator 30 and the starter which is a starting device of the engine 20 are provided separately, the generator 30 may be a starter generator having both functions of the generator and the starter. All such modifications and equivalents are intended to be included in the following claims.

１０ 車両（電動車両）
２０ エンジン（内燃機関）
３０ 発電機
４０ モータジェネレータ（モータ）
５０ バッテリ
５１ バッテリセンサ（蓄電量検出部）
６０ アクセル開度センサ
６１ アクセルペダル
７０ 発電スイッチ
７１ 発電量調整部
８０ カーナビゲーション装置（目的地設定部）
１００ ＥＣＵ（制御部）
１０１ 発電制御部
１０２ 発電喚起部
１０３ 発電量調整喚起部

10 vehicles (electric vehicles)
20 engine (internal combustion engine)
30 generator 40 motor generator (motor)
50 Battery 51 Battery sensor (storage amount detection unit)
Reference Signs List 60 accelerator opening sensor 61 accelerator pedal 70 power generation switch 71 power generation amount adjustment unit 80 car navigation device (destination setting unit)
100 ECU (control unit)
101 power generation control unit 102 power generation calling unit 103 power generation adjustment calling unit

Claims (3)

走行用のモータと、前記モータに電力を供給するバッテリと、前記バッテリに充電する電気を発電する発電機と、前記発電機を駆動する内燃機関と、乗員によって操作される発電スイッチと、乗員の操作によって目的地を設定する目的地設定部とを備えた電動車両の発電制御装置であって、
前記発電スイッチがオンに操作されると、前記内燃機関を駆動して発電を開始する発電制御部と、
前記電動車両の現在地から前記目的地まで前記電動車両が走行することができない場合に、前記発電機の駆動による前記バッテリの充電を促す発電喚起部と、を備えることを特徴とする発電制御装置。 A motor for traveling, a battery for supplying electric power to the motor, a generator for generating electricity for charging the battery, an internal combustion engine for driving the generator, a power generation switch operated by an occupant; A power generation control device for an electric vehicle including a destination setting unit configured to set a destination by an operation,
When the power generation switch is turned on, a power generation control unit that starts the power generation by driving the internal combustion engine,
A power generation control device, comprising: a power generation stimulating unit that urges charging of the battery by driving the generator when the electric vehicle cannot travel from the current position of the electric vehicle to the destination. 前記乗員の操作によって前記発電機の発電量を調整可能な発電量調整部と、
前記現在地から前記目的地までの走行に要する前記バッテリの蓄電量に基づき、前記発電量調整部による発電量の調整量を前記乗員に報知する発電量調整喚起部と、を備えることを特徴とする請求項１に記載の発電制御装置。 A power generation amount adjustment unit capable of adjusting the power generation amount of the generator by the operation of the occupant;
A power generation adjustment arousing unit that notifies the occupant of the amount of power generation adjustment by the power generation amount adjustment unit based on the amount of power stored in the battery required for traveling from the current location to the destination. The power generation control device according to claim 1. 前記発電量調整喚起部は、前記バッテリの充電受入性に基づき、前記調整量を前記乗員に報知する時期を調整することを特徴とする請求項２に記載の発電制御装置。

The power generation control device according to claim 2, wherein the power generation amount adjustment and arousal unit adjusts a time at which the occupant is notified of the adjustment amount based on charge acceptability of the battery.

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