WO2022202090A1 - Unité de commande électronique de véhicule - Google Patents

Unité de commande électronique de véhicule Download PDF

Info

Publication number
WO2022202090A1
WO2022202090A1 PCT/JP2022/007799 JP2022007799W WO2022202090A1 WO 2022202090 A1 WO2022202090 A1 WO 2022202090A1 JP 2022007799 W JP2022007799 W JP 2022007799W WO 2022202090 A1 WO2022202090 A1 WO 2022202090A1
Authority
WO
WIPO (PCT)
Prior art keywords
control unit
storage means
electronic control
vehicle electronic
power
Prior art date
Application number
PCT/JP2022/007799
Other languages
English (en)
Japanese (ja)
Inventor
耕一 山野上
翔 佐藤
Original Assignee
株式会社今仙電機製作所
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 株式会社今仙電機製作所 filed Critical 株式会社今仙電機製作所
Publication of WO2022202090A1 publication Critical patent/WO2022202090A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • 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
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems

Definitions

  • the present invention relates to a vehicle electronic control unit that can continue control even when power supply from a main power supply is interrupted.
  • Patent Document 1 discloses a vehicle ECU power supply system that automatically supplies power to an ECU from a secondary power supply when a main power supply fails.
  • An object of the present invention is to provide a vehicle electronic control unit that can continue control even when the power supply from the power source is cut off.
  • a vehicle electronic control unit (10) incorporates a power storage means (16) comprising a capacitor (C), and continues control with electric power from the power storage means even when power from a battery is cut off. .
  • the storage means is charged while the ignition is turned on, and the charging of the storage means is stopped when the ignition is turned off.
  • the vehicle electronic control unit according to the invention of claim 1 incorporates a power storage means comprising a capacitor. Therefore, the control can be continued even when the power supply from the main power supply and the emergency auxiliary power supply is cut off.
  • the storage means is charged while the ignition is turned on, and charging of the storage means is stopped when the ignition is turned off. Since the capacitor is charged only when power is required and discharged when power is not required, the capacitor does not deteriorate.
  • the electric power from the battery supplied via the ignition switch is provided with a current limiting means for limiting the current and supplying the electric power to the storage means. Therefore, electric charge can be charged without causing an excessive current (rush current) to flow into the electricity storage means composed of a capacitor.
  • the current limiting means includes a duty control switching element and an inductance.
  • a current from a battery can be duty-controlled by a switching element, smoothed by an inductance, and charged without causing an excessive current (rush current) to flow through a power storage means composed of a capacitor. Since the duty control is used, the power loss can be reduced even if the power storage means is charged in a short time with a relatively large current.
  • the current limiting means consists of a PCT thermistor.
  • the current from the battery is limited by changing the resistance value of the PCT thermistor, and when excessive current flows, the temperature rises and the internal resistance increases, so excessive current (rush current) is applied to the storage means consisting of a capacitor. A charge can be charged without flowing. Since no control operation is performed, the configuration can be inexpensive and the possibility of failure is low.
  • the capacitor of the storage means is an electric double layer capacitor connected in series.
  • an electric double layer capacitor When an electric double layer capacitor is energized for a long period of time, its performance deteriorates, accelerating its capacity decrease and internal resistance increase.
  • the electric double layer capacitor is not deteriorated because the electric double layer capacitor is charged only while the power supply is required and discharged while the power supply is not required.
  • Each electric double layer capacitor has a resistor connected in parallel. Electric charge is discharged to resistors connected in parallel while power supply is not required, and each electric double layer capacitor is cell-balanced during charging.
  • the vehicle electronic control unit supplies the electric power of the built-in power storage means to the electronically controlled parking brake. Even if the vehicle body is damaged in an accident or the like while the vehicle is running and the battery is damaged, the driver can operate the electronically controlled parking brake to perform braking and stop the vehicle.
  • the duty control switching element is connected to the negative potential side of the storage means.
  • a switching element for duty control consisting of a transistor or a MOSFET can be formed in a circuit so as to operate on the basis of the ground potential of the vehicle electronic control unit, which facilitates driving.
  • FIG. 1 is a circuit diagram of a vehicle electronic control unit according to an embodiment of the present invention.
  • a circuit diagram of a vehicle electronic control unit according to a second modified example of the embodiment A circuit diagram of a vehicle electronic control unit according to a third modified example of the embodiment
  • FIG. 1 is a circuit diagram of a vehicle electronic control unit according to an embodiment.
  • the vehicle electronic control unit 10 is an electronically controlled parking brake unit.
  • the input side +B terminal is connected to the + side of the battery B via the fuse FUSE
  • the IG terminal is connected via the fuse FUSE and the ignition switch IGSW.
  • a ground terminal GND is connected to the minus side of the battery B and the ground.
  • the vehicle electronic control unit 10 is connected to a load device (electronically controlled parking brake actuator) 20 via an output side +B terminal and an output terminal OUT.
  • the vehicle electronic control unit 10 includes a diode D1 for passing a current from the +B terminal on the input side, a current limiting means 12 connected to the diode D1, and a capacitor C for charging the current controlled by the current limiting means 12. It has a power storage means 16 connected in series and a diode D2 constituting a rectifying means for flowing the current from the power storage means 16 to the internal power supply side.
  • the internal power supply supplies electric power to the control element side of the electronically controlled parking brake unit (not shown).
  • the minus side of the storage means 16 is connected to the minus side of the battery B and the ground through the ground terminal GND.
  • the vehicle electronic control unit 10 When the ignition switch IGSW is turned on, the vehicle electronic control unit 10 reduces the charging current via the current limiting means 12 and starts charging the storage means 16 . Then, when the ignition switch IGSW is turned off, the charging of the electric storage means 16 is stopped. While the power from the battery B is normally supplied via the power supply line BL, the power from the battery B is supplied to the internal power supply side via the diode D1 and the load device 20 via the +B terminal on the output side. supplied to If the power supply line BL is cut off due to an accident or the like, and the power supply from the battery B is stopped, the power from the storage means 16 is supplied to the internal power supply side via the diode D2, and the load is supplied via the output side +B terminal. It is supplied to device 20 . The vehicle electronic control unit 10 sends an operation command to the load device 20 via the output terminal OUT.
  • the vehicle electronic control unit 10 of the embodiment incorporates a power storage means 16 consisting of a capacitor C. Therefore, the control can be continued even when the power supply from the main power supply (battery B) and the emergency auxiliary power supply (not shown) is cut off.
  • the vehicle electronic control unit 10 of the embodiment charges the power storage means 16 while the ignition is turned on, and stops charging the power storage means 16 when the ignition is turned off. Since the capacitor is charged only while power supply is required, and the charging of the storage means 16 is stopped while it is not required, the capacitor C does not deteriorate.
  • the vehicle electronic control unit 10 of the embodiment supplies the electric power of the built-in power storage means to the electronically controlled parking brake actuator 20 . Even if the vehicle body is damaged in an accident or the like while the vehicle is running and the power line BL from the battery is disconnected, the driver can operate the electronically controlled parking brake to perform braking and stop the vehicle.
  • FIG. 2 is a circuit diagram of a vehicle electronic control unit according to a first modified example of the embodiment.
  • the vehicle electronic control unit 10 is an electronic control unit for a parking brake.
  • the input side +B terminal is connected to the + side of the battery B via the fuse FUSE
  • the IG terminal is connected via the fuse FUSE and the ignition switch IGSW.
  • a ground terminal GND is connected to the minus side of the battery B and the ground.
  • the vehicle electronic control unit 10 is connected to a load device (electronically controlled parking brake actuator) 20 via an output side +B terminal and an output terminal OUT.
  • a load device electrostatically controlled parking brake actuator
  • the vehicle electronic control unit 10 includes a diode D1 that allows current to flow from the +B terminal on the input side, a control means 14 that controls the parking brake and the internal power supply, and a first output OUT1 of the control means 14 connected to the IG terminal.
  • An inductance L which is provided between and smoothes the charging current, a diode D2 which constitutes rectifying means for flowing the current from the storage means 16 to the output side +B terminal side, and a diode D3 which is provided between the FET and the ground.
  • the charging control means 18, the FET and the inductance L constitute the current limiting means 12.
  • FIG. The FETs consist of MOSFETs.
  • a capacitor C connected in series is an electric double layer capacitor.
  • Each electric double layer capacitor C is connected in parallel with a resistor R for discharging and cell balancing.
  • the minus side of the storage means 16 is connected to the ground.
  • the vehicle electronic control unit 10 When the ignition switch IGSW is turned on, the vehicle electronic control unit 10 causes current to flow from the FET whose duty is controlled by the transistor T1 of the charge control means 18 to start charging the storage means 16 . During charging, a resistor R connected in parallel with each capacitor C maintains cell balance. Then, when the ignition switch IGSW is turned off, the charging of the storage means 16 by the charging control means 18 is stopped. The charge stored in each capacitor C is discharged by a resistor R connected in parallel. While the power from the battery B is normally supplied via the power supply line BL, the power from the battery B is supplied to the control means 14 via the diode D1 and the load device 20 via the +B terminal on the output side.
  • the power from the storage means 16 is supplied to the load device 20 through the output side +B terminal together with the control means 14 through the diode D2. be done.
  • the control means 14 applies the output from the second output OUT2 to the transistor T2 to control the load device (electronically controlled parking brake actuator) 20 connected via the output terminal OUT.
  • the current limiting means 12 includes an FET, which is a switching element for duty control, and an inductance L.
  • the current from the battery B is duty-controlled by the FET, smoothed by the inductance L, and charged without excessive current (rush current) flowing through the storage means 16 composed of the capacitor C.
  • the capacitor C of the electricity storage means 16 is an electric double layer capacitor connected in series.
  • an electric double layer capacitor When an electric double layer capacitor is energized for a long period of time, its performance deteriorates, accelerating its capacity decrease and internal resistance increase.
  • the electric double layer capacitor is not deteriorated because it is charged only while power supply is required and is discharged while power supply is not required.
  • Each electric double layer capacitor C has a resistor R connected in parallel. Electric charge is discharged to resistors connected in parallel while power supply is not required, and each electric double layer capacitor is cell-balanced during charging.
  • FIG. 3 is a circuit diagram of a vehicle electronic control unit according to a second modified example of the embodiment.
  • a vehicle electronic control unit 10 according to the second modified example of the embodiment is the same as the vehicle electronic control unit 10 according to the first modified example of the embodiment.
  • the current limiting means 12 consist of a PCT thermistor PCT.
  • a diode D4 is provided between the PCT thermistor PCT and the electric storage means 16 to allow current from the PCT thermistor PCT to flow to the electric storage means 16 side.
  • the current from the battery B is limited by changing the resistance value of the PCT thermistor PCT. Since the electric charge increases, electric charge can be charged without causing an excessive current (rush current) to flow in the storage means 16 composed of the capacitor C. FIG. Since no control operation is performed, the configuration can be inexpensive and the possibility of failure is low.
  • FIG. 4 is a circuit diagram of a vehicle electronic control unit according to a third modified example of the embodiment.
  • a vehicle electronic control unit 10 according to the third modified example of the embodiment is the same as the vehicle electronic control unit 10 according to the first modified example of the embodiment.
  • the FET which is the switching element for duty control, is connected to the negative potential side of the storage means 16 .
  • the source side of the FET is grounded, and is connected to the negative terminal side of the capacitor C7 connected in series through the diode D5, that is, to the negative potential side of the storage means.
  • the anode side of diode D5 is connected to the source side of the FET.
  • the cathode side of the diode D5 is connected to the negative potential side of the storage means.
  • the drain of the FET is connected via an inductance L to the negative potential side of the storage means.
  • the drain of the FET is connected through a diode D4 to the positive potential side of the storage means (the plus of the series-connected positive end capacitor C1).
  • the drain of the FET is connected to the anode side of diode D4.
  • the cathode side of the diode D4 is connected to the positive potential side of the storage means.
  • the FETs that constitute the switching elements for duty control are connected to the negative potential side of the storage means 16 .
  • the FETs or transistors that constitute the switching elements for duty control can be circuit-formed so as to operate on the basis of the ground potential of the vehicle electronic control unit, which facilitates driving.
  • the vehicle electronic control unit of the present invention can continue control even when the power supply from the power source is cut off.
  • the electronic control unit 10 and the load device 20 are electrically connected to each other as separate bodies. good. This reduces the possibility of mechanical damage to such connections and increases safety.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

Le problème abordé par la présente invention est de fournir une unité de commande électronique de véhicule capable de continuer la commande même lorsque l'alimentation en énergie provenant d'une alimentation électrique est interrompue.　La solution selon l'invention concerne une unité de commande électronique de véhicule (10) qui incorpore un moyen de stockage d'électricité (16) comprenant un condensateur (C) et continue la commande en utilisant l'énergie provenant du moyen de stockage d'électricité (16) même lorsque l'énergie provenant d'une batterie est interrompue. L'unité de commande électronique de véhicule (10) charge le moyen de stockage d'électricité (16) pendant qu'un commutateur d'allumage (IGSW) est activé et arrête la charge du moyen de stockage d'électricité (16) lorsque le commutateur d'allumage (IGSW) est désactivé.
PCT/JP2022/007799 2021-03-23 2022-02-25 Unité de commande électronique de véhicule WO2022202090A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-048948 2021-03-23
JP2021048948A JP7415178B2 (ja) 2021-03-23 2021-03-23 車両用電子制御ユニット

Publications (1)

Publication Number Publication Date
WO2022202090A1 true WO2022202090A1 (fr) 2022-09-29

Family

ID=83397107

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/007799 WO2022202090A1 (fr) 2021-03-23 2022-02-25 Unité de commande électronique de véhicule

Country Status (2)

Country Link
JP (1) JP7415178B2 (fr)
WO (1) WO2022202090A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220379892A1 (en) * 2021-05-26 2022-12-01 Oshkosh Corporation Condition based vehicle performance management

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60190139U (ja) * 1984-05-23 1985-12-17 富士電機株式会社 コンデンサの初期充電回路
WO2005025029A1 (fr) * 2003-09-03 2005-03-17 Matsushita Electric Industrial Co., Ltd. Dispositif a condensateurs et schema de cablage
JP2012061955A (ja) * 2010-09-16 2012-03-29 Denso Corp 乗員保護装置用制御装置の電源供給装置
WO2013114497A1 (fr) * 2012-02-01 2013-08-08 パナソニック株式会社 Dispositif de commande pour système de commande d'alimentation électrique
JP2015231269A (ja) * 2014-06-04 2015-12-21 矢崎総業株式会社 バックアップ電源回路
JP2018207598A (ja) * 2017-05-31 2018-12-27 株式会社デンソーテン 充電制御装置
JP2019080396A (ja) * 2017-10-23 2019-05-23 三菱電機株式会社 電源平滑用のコンデンサ回路
US20200307481A1 (en) * 2019-03-28 2020-10-01 Zf Active Safety And Electronics Us Llc Airbag electronic controller unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60190139U (ja) * 1984-05-23 1985-12-17 富士電機株式会社 コンデンサの初期充電回路
WO2005025029A1 (fr) * 2003-09-03 2005-03-17 Matsushita Electric Industrial Co., Ltd. Dispositif a condensateurs et schema de cablage
JP2012061955A (ja) * 2010-09-16 2012-03-29 Denso Corp 乗員保護装置用制御装置の電源供給装置
WO2013114497A1 (fr) * 2012-02-01 2013-08-08 パナソニック株式会社 Dispositif de commande pour système de commande d'alimentation électrique
JP2015231269A (ja) * 2014-06-04 2015-12-21 矢崎総業株式会社 バックアップ電源回路
JP2018207598A (ja) * 2017-05-31 2018-12-27 株式会社デンソーテン 充電制御装置
JP2019080396A (ja) * 2017-10-23 2019-05-23 三菱電機株式会社 電源平滑用のコンデンサ回路
US20200307481A1 (en) * 2019-03-28 2020-10-01 Zf Active Safety And Electronics Us Llc Airbag electronic controller unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220379892A1 (en) * 2021-05-26 2022-12-01 Oshkosh Corporation Condition based vehicle performance management

Also Published As

Publication number Publication date
JP7415178B2 (ja) 2024-01-17
JP2022147621A (ja) 2022-10-06

Similar Documents

Publication Publication Date Title
CN108292848B (zh) 汽车双电压电池充电系统
US6995480B2 (en) Power supply equipment for motor vehicle with inverter for controlling motor generator
KR102002082B1 (ko) 온보드 전기 시스템, 및 온보드 전기 시스템의 작동 방법
US9024466B2 (en) On-board electrical system for a motor vehicle and method for operating an electrical load
US9515554B2 (en) Power supply that charges an electric storage by regenerative power generated by a generator and supplies power to a load
US9350238B2 (en) Power supply device for vehicle including a boosting converter circuit
EP2200146A1 (fr) Dispositif d'alimentation electrique
WO2018047636A1 (fr) Dispositif de secours embarqué
US9843184B2 (en) Voltage conversion apparatus
JP4676869B2 (ja) 車両用電力システム及び昇圧電源
KR20030077625A (ko) 자동차 전기 시스템
JP2015534446A (ja) 自動車またはハイブリッド車のための二重電気エネルギー蓄積装置を有する給電システム
JP6546422B2 (ja) バッテリシステム制御装置
WO2022202090A1 (fr) Unité de commande électronique de véhicule
US11299138B2 (en) Hybrid vehicle control device
US7477040B2 (en) Circuit for a motor vehicle electrical distribution system and an associated operating method
JP2012035756A (ja) 車両用電源装置
WO2020059645A1 (fr) Dispositif de commande d'alimentation électrique et système d'alimentation électrique
WO2016143541A1 (fr) Dispositif d'alimentation électrique d'automobile et procédé de commande de dispositif d'alimentation électrique d'automobile
JP2017147887A (ja) 電源システム
JP7069765B2 (ja) 電源システム
WO2024024087A1 (fr) Dispositif de commande de secours embarqué
JP7107159B2 (ja) 車両用バックアップ電源装置
EP3930132A1 (fr) Interface de connexion entre un réseau haute tension et un réseau basse tension d'un véhicule électrique hybride
JP2016178730A (ja) 自動車用電源装置及び自動車用電源装置の制御方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22774888

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22774888

Country of ref document: EP

Kind code of ref document: A1