[go: up one dir, main page]

JP2019180153A - Vehicle power supply - Google Patents

Vehicle power supply Download PDF

Info

Publication number
JP2019180153A
JP2019180153A JP2018068346A JP2018068346A JP2019180153A JP 2019180153 A JP2019180153 A JP 2019180153A JP 2018068346 A JP2018068346 A JP 2018068346A JP 2018068346 A JP2018068346 A JP 2018068346A JP 2019180153 A JP2019180153 A JP 2019180153A
Authority
JP
Japan
Prior art keywords
switch
power supply
vehicle
capacitor
charging port
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2018068346A
Other languages
Japanese (ja)
Other versions
JP7214975B2 (en
Inventor
友晴 山本
Tomoharu Yamamoto
友晴 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
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 Suzuki Motor Corp filed Critical Suzuki Motor Corp
Priority to JP2018068346A priority Critical patent/JP7214975B2/en
Priority to DE102019204112.4A priority patent/DE102019204112A1/en
Priority to CN201910245596.4A priority patent/CN110323797A/en
Priority to FR1903236A priority patent/FR3079687B1/en
Publication of JP2019180153A publication Critical patent/JP2019180153A/en
Application granted granted Critical
Publication of JP7214975B2 publication Critical patent/JP7214975B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
    • H02J2105/30—
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

【課題】車両内部の電源と直流電源の充電口との接続経路上に設置されたキャパシタが放電することを防止することができる車両用電源装置を提供すること。【解決手段】直流電源１０が接続される急速充電口９と、急速充電口９の正極と負極との間に接続されるキャパシタ３１、キャパシタ３２、キャパシタ３３と、バッテリ５１と接続される電装負荷４と、急速充電口９の正極とキャパシタ３１、キャパシタ３２、キャパシタ３３との接続経路を開閉する第一スイッチ１１と、急速充電口９の負極とキャパシタ３１、キャパシタ３２、キャパシタ３３との接続経路を開閉する第二スイッチ１２と、を備え、キャパシタ３１、キャパシタ３２、キャパシタ３３と第一スイッチ１１と第二スイッチ１２は、電装負荷４に対して並列に接続される。【選択図】図２A vehicle power supply device capable of preventing a capacitor installed on a connection path between a power supply in a vehicle and a charging port of a DC power supply from being discharged. An electric load connected to a quick charging port to which a DC power supply is connected, a capacitor connected between a positive electrode and a negative electrode of the quick charging port, and a battery. 4, a first switch 11 for opening and closing a connection path between the positive electrode of the quick charging port 9 and the capacitor 31, the capacitor 32, and the capacitor 33; A first switch 11 and a second switch 12 are connected in parallel to the electrical load 4. [Selection] Figure 2

Description

本発明は、車両用電源装置に関する。   The present invention relates to a vehicle power supply device.

車載回路に混入するノイズを低減可能なインバータ装置が知られている。特許文献１では、直流電源からインバータに供給される電力に含まれるノイズを低減する為に、コンデンサを含むノイズ低減の回路を形成している。   An inverter device that can reduce noise mixed in an in-vehicle circuit is known. In Patent Document 1, a noise reduction circuit including a capacitor is formed in order to reduce noise included in power supplied from a DC power supply to an inverter.

特開２０１７−１８４３２８号公報JP 2017-184328 A

しかしながら、車両外部に設置された充電設備の電源から充電口を介して車両内部の電源に充電する場合に、充電経路上にノイズ低減回路が設置されていると、その回路中のキャパシタへ蓄電される。万が一キャパシタから充電口及び充電設備までの経路上で地絡すると、キャパシタに蓄積された電荷がキャパシタから放電する可能性があった。   However, if a noise reduction circuit is installed on the charging path when charging from the power source of the charging facility installed outside the vehicle to the power source inside the vehicle via the charging port, the charge is stored in the capacitor in the circuit. The In the unlikely event that a ground fault occurs on the path from the capacitor to the charging port and the charging facility, the charge accumulated in the capacitor may be discharged from the capacitor.

そこで、本発明は、車両内部の電源と直流電源の充電口との接続経路上に設置されたキャパシタが放電することを防止することができる車両用電源装置を提供することを目的としている。   Accordingly, an object of the present invention is to provide a vehicular power supply device that can prevent a capacitor installed on a connection path between a power source inside the vehicle and a charging port of a DC power source from discharging.

上記課題を解決するため本発明は、車両に備えられた直流電源の充電口を介して車両外部の電源から車両内部の電源へ電力を供給する車両用電源装置であって、前記直流電源の充電口の正極と負極との間に接続されるキャパシタと、前記車両内部の電源と接続される電装負荷と、前記直流電源の充電口の正極と前記キャパシタとの接続経路を開閉する第一スイッチと、前記直流電源の充電口の負極と前記キャパシタとの接続経路を開閉する第二スイッチと、を備え、前記キャパシタと前記第一スイッチと前記第二スイッチは、前記電装負荷に対して並列に接続されるものである。   In order to solve the above-described problems, the present invention provides a vehicle power supply device that supplies power from a power source outside the vehicle to a power source inside the vehicle via a charging port of a DC power source provided in the vehicle, and charging the DC power source A capacitor connected between the positive electrode and the negative electrode of the mouth, an electrical load connected to the power source inside the vehicle, a first switch for opening and closing a connection path between the positive electrode of the charging port of the DC power source and the capacitor; A second switch that opens and closes a connection path between the negative electrode of the charging port of the DC power supply and the capacitor, and the capacitor, the first switch, and the second switch are connected in parallel to the electrical load. It is what is done.

このように、本発明によれば、車両内部の電源と直流電源の充電口との接続経路上に設置されたキャパシタが放電することを防止することができる。   Thus, according to the present invention, it is possible to prevent the capacitor installed on the connection path between the power source inside the vehicle and the charging port of the DC power source from being discharged.

図１は、本発明の一実施例に係る車両用電源装置のブロック図である。FIG. 1 is a block diagram of a vehicle power supply device according to an embodiment of the present invention. 図２は、本発明の一実施例に係る車両用電源装置の回路図である。FIG. 2 is a circuit diagram of a vehicle power supply device according to an embodiment of the present invention. 図３は、本発明の一実施例に係る車両用電源装置のスイッチの変化を示すタイムチャートである。FIG. 3 is a time chart showing changes in switches of the vehicle power supply device according to the embodiment of the present invention.

本発明の一実施の形態に係る車両用電源装置は、車両に備えられた直流電源の充電口を介して車両外部の電源から車両内部の電源へ電力を供給する車両用電源装置であって、直流電源の充電口の正極と負極との間に接続されるキャパシタと、車両内部の電源と接続される電装負荷と、直流電源の充電口の正極とキャパシタとの接続経路を開閉する第一スイッチと、直流電源の充電口の負極とキャパシタとの接続経路を開閉する第二スイッチと、を備え、キャパシタと第一スイッチと第二スイッチは、電装負荷に対して並列に接続されるよう構成されている。   A vehicle power supply device according to an embodiment of the present invention is a vehicle power supply device that supplies power from a power supply outside the vehicle to a power supply inside the vehicle via a charging port of a DC power supply provided in the vehicle, A capacitor connected between the positive electrode and negative electrode of the charging port of the DC power supply, an electrical load connected to the power supply inside the vehicle, and a first switch for opening and closing a connection path between the positive electrode of the charging port of the DC power supply and the capacitor And a second switch that opens and closes a connection path between the negative electrode of the charging port of the DC power source and the capacitor, and the capacitor, the first switch, and the second switch are configured to be connected in parallel to the electrical load. ing.

これにより、車両内部の電源と直流電源の充電口との接続経路上に設置されたキャパシタが放電することを防止することができる。   Thereby, it is possible to prevent the capacitor installed on the connection path between the power source inside the vehicle and the charging port of the DC power source from being discharged.

以下、図面を参照して、本発明の実施例に係る車両用電源装置について詳細に説明する。   Hereinafter, a vehicle power supply device according to an embodiment of the present invention will be described in detail with reference to the drawings.

図１において、本発明の一実施例に係る車両用電源装置を搭載した車両１は、モータ２と、インバータ３と、電装負荷４と、バッテリパック５と、制御部６と、を含んで構成される。   In FIG. 1, a vehicle 1 equipped with a vehicle power supply device according to an embodiment of the present invention includes a motor 2, an inverter 3, an electrical load 4, a battery pack 5, and a control unit 6. Is done.

モータ２は、例えば、複数の永久磁石が埋め込まれたロータと、ステータコイルが巻きつけられたステータと、を備えた同期型モータで構成される。モータ２は、ステータコイルに三相交流電圧が印加されることでステータに回転磁界が形成され、この回転磁界によりロータが回転して駆動力を生成する。   The motor 2 is configured by a synchronous motor including, for example, a rotor embedded with a plurality of permanent magnets and a stator around which a stator coil is wound. In the motor 2, a rotating magnetic field is formed in the stator by applying a three-phase AC voltage to the stator coil, and the rotor rotates by this rotating magnetic field to generate a driving force.

インバータ３は、制御部６の制御により三相交流電圧をモータ２に供給する。インバータ３は、制御部６から入力されるトルク指令値に基づいて三相交流電圧を生成してモータ２に出力する。   The inverter 3 supplies a three-phase AC voltage to the motor 2 under the control of the control unit 6. The inverter 3 generates a three-phase AC voltage based on the torque command value input from the control unit 6 and outputs it to the motor 2.

電装負荷４は、車両１に搭載され、バッテリパック５から供給される電力で動作する各種の装置からなり、例えば、オーディオ装置、ナビゲーション装置、空調装置、計器類の表示装置及びヘッドランプなどの照明装置を含む。   The electrical load 4 includes various devices that are mounted on the vehicle 1 and operate with the power supplied from the battery pack 5. For example, an audio device, a navigation device, an air conditioner, an instrument display device, and a headlamp. Including equipment.

バッテリパック５は、インバータ３や電装負荷４などに電力を供給する。バッテリパック５は、例えば、ニッケル蓄電池やリチウム蓄電池等からなる電源としてのバッテリ５１（図２参照）を備えている。   The battery pack 5 supplies power to the inverter 3 and the electrical load 4. The battery pack 5 includes a battery 51 (see FIG. 2) as a power source composed of, for example, a nickel storage battery or a lithium storage battery.

バッテリパック５には、インバータ３や電装負荷４が並列に接続されている。バッテリパック５には、インバータ３や電装負荷４と並列に、充電器７が接続されている。充電器７は、交流電源の充電口としての普通充電口８に供給される交流の電力を直流の電力に変換する。   An inverter 3 and an electrical load 4 are connected to the battery pack 5 in parallel. A charger 7 is connected to the battery pack 5 in parallel with the inverter 3 and the electrical load 4. The charger 7 converts AC power supplied to a normal charging port 8 as a charging port of an AC power source into DC power.

バッテリパック５には、車両１外部に設置された充電設備の直流電源１０の充電コネクタが接続されることにより、直流電源１０から供給された電力によりバッテリ５１（図２参照）を充電する、直流電源１０の充電口としての急速充電口９が設けられている。急速充電口９は、直流電源１０の充電コネクタが接続されているか否かを検出して、制御部６に通知するようになっている。   The battery pack 5 is connected to a charging connector of a DC power supply 10 of a charging facility installed outside the vehicle 1 so that the battery 51 (see FIG. 2) is charged by the power supplied from the DC power supply 10. A quick charging port 9 as a charging port of the power supply 10 is provided. The quick charging port 9 detects whether the charging connector of the DC power supply 10 is connected and notifies the control unit 6 of it.

バッテリパック５には、バッテリ５１（図２参照）の電圧を検出する不図示の電圧センサ、バッテリ５１の温度を検出する不図示の温度センサ、バッテリ５１の充電電流及び放電電流を検出する不図示の電流センサなどが設けられている。   The battery pack 5 includes a voltage sensor (not shown) that detects the voltage of the battery 51 (see FIG. 2), a temperature sensor (not shown) that detects the temperature of the battery 51, and a charging current and a discharge current that are not shown. Current sensors and the like are provided.

制御部６は、ＣＰＵ（Central Processing Unit）と、ＲＡＭ（Random Access Memory）と、ＲＯＭ（Read Only Memory）と、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 control unit 6 includes a computer unit that includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an input port, and an output port. .

制御部６のＲＯＭには、各種制御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制御部６として機能させるためのプログラムが記憶されている。すなわち、ＣＰＵがＲＯＭに記憶されたプログラムを実行することにより、当該コンピュータユニットは、制御部６として機能する。   The ROM of the control unit 6 stores a program for causing the computer unit to function as the control unit 6 along with various control constants and various maps. That is, the computer unit functions as the control unit 6 when the CPU executes a program stored in the ROM.

制御部６の入力ポートには、上述の急速充電口９と、電圧センサと、温度センサと、電流センサとを含む各種センサ類が接続されている。一方、制御部６の出力ポートには、インバータ３と、電装負荷４と、バッテリパック５とを含む各種制御対象類が接続されている。   Various sensors including the above-described quick charging port 9, a voltage sensor, a temperature sensor, and a current sensor are connected to the input port of the control unit 6. On the other hand, various control objects including the inverter 3, the electrical load 4, and the battery pack 5 are connected to the output port of the control unit 6.

図２において、インバータ３には、インバータ３に供給される電力に含まれるノイズを低減するために、キャパシタ３１、キャパシタ３２、キャパシタ３３を含むノイズ低減回路が設けられている。   In FIG. 2, the inverter 3 is provided with a noise reduction circuit including a capacitor 31, a capacitor 32, and a capacitor 33 in order to reduce noise included in the power supplied to the inverter 3.

急速充電口９の正極とインバータ３との接続経路には、この接続経路を開閉する第一スイッチ１１が接続されている。急速充電口９の負極とインバータ３との接続経路には、この接続経路を開閉する第二スイッチ１２が接続されている。   A first switch 11 that opens and closes the connection path is connected to a connection path between the positive electrode of the quick charging port 9 and the inverter 3. A second switch 12 that opens and closes the connection path is connected to the connection path between the negative electrode of the quick charging port 9 and the inverter 3.

第一スイッチ１１とインバータ３と第二スイッチ１２は、電装負荷４に対して並列に接続されている。   The first switch 11, the inverter 3, and the second switch 12 are connected in parallel to the electrical load 4.

急速充電口９の正極と、バッテリ５１の正極とインバータ３との接続経路と、の接続経路には、この接続経路を開閉する第三スイッチ１３が接続されている。急速充電口９の負極と、バッテリ５１の負極とインバータ３との接続経路と、の接続経路には、この接続経路を開閉する第四スイッチ１４が接続されている。   A third switch 13 that opens and closes this connection path is connected to the connection path between the positive electrode of the quick charging port 9 and the connection path between the positive electrode of the battery 51 and the inverter 3. A fourth switch 14 that opens and closes this connection path is connected to the connection path between the negative electrode of the quick charging port 9 and the connection path of the negative electrode of the battery 51 and the inverter 3.

充電器７の正極は、バッテリ５１の正極とインバータ３との接続経路に接続されている。充電器７の負極は、バッテリ５１の負極とインバータ３との接続経路に接続されている。   The positive electrode of the charger 7 is connected to a connection path between the positive electrode of the battery 51 and the inverter 3. The negative electrode of the charger 7 is connected to a connection path between the negative electrode of the battery 51 and the inverter 3.

バッテリ５１の正極には、第五スイッチ１５が接続されている。バッテリ５１の負極には、第六スイッチ１６が接続されている。   The fifth switch 15 is connected to the positive electrode of the battery 51. The sixth switch 16 is connected to the negative electrode of the battery 51.

第一スイッチ１１、第二スイッチ１２、第三スイッチ１３、第四スイッチ１４、第五スイッチ１５、第六スイッチ１６は、制御部６によりオン（閉状態）オフ（開状態）される。   The first switch 11, the second switch 12, the third switch 13, the fourth switch 14, the fifth switch 15, and the sixth switch 16 are turned on (closed state) and turned off (open state) by the control unit 6.

制御部６は、急速充電口９に車両１外部の直流電源１０の充電コネクタが接続されたことを検出すると、第一スイッチ１１と第二スイッチ１２を開状態とする。   When the controller 6 detects that the charging connector of the DC power source 10 outside the vehicle 1 is connected to the quick charging port 9, the controller 6 opens the first switch 11 and the second switch 12.

制御部６は、急速充電口９に車両１外部の直流電源１０の充電コネクタが接続されたことを検出すると、第三スイッチ１３と第四スイッチ１４を閉状態とする。   When the controller 6 detects that the charging connector of the DC power supply 10 outside the vehicle 1 is connected to the quick charging port 9, the controller 6 closes the third switch 13 and the fourth switch 14.

制御部６は、急速充電口９に車両１外部の直流電源１０の充電コネクタが接続されたことを検出すると、第五スイッチ１５と第六スイッチ１６を閉状態とする。   When the control unit 6 detects that the charging connector of the DC power source 10 outside the vehicle 1 is connected to the quick charging port 9, the control unit 6 closes the fifth switch 15 and the sixth switch 16.

このようにすることで、急速充電口９からの充電中に、キャパシタ３１、キャパシタ３２、キャパシタ３３を充電経路から切り離すことができ、キャパシタ３１、キャパシタ３２、キャパシタ３３から放電することを防止することができる。キャパシタ３１、キャパシタ３２、キャパシタ３３からの放電を防止することにより、キャパシタ３１、キャパシタ３２、キャパシタ３３から車両１の急速充電口９及び直流電源１０の充電設備までの経路上での漏電を防止することができる。   In this way, the capacitor 31, the capacitor 32, and the capacitor 33 can be disconnected from the charging path during charging from the quick charging port 9, and discharge from the capacitor 31, the capacitor 32, and the capacitor 33 is prevented. Can do. By preventing discharge from the capacitor 31, capacitor 32, and capacitor 33, leakage on the path from the capacitor 31, capacitor 32, and capacitor 33 to the quick charging port 9 of the vehicle 1 and the charging facility of the DC power source 10 is prevented. be able to.

また、第一スイッチ１１とインバータ３と第二スイッチ１２を電装負荷４に対して並列に設けたため、第一スイッチ１１と第二スイッチ１２を開状態としても電装負荷４へ電力を供給することができ、エアコンやヒーター等の電装品を使用しながら充電を行なえる。   In addition, since the first switch 11, the inverter 3, and the second switch 12 are provided in parallel to the electrical load 4, power can be supplied to the electrical load 4 even when the first switch 11 and the second switch 12 are opened. It can be charged while using electrical components such as air conditioners and heaters.

以上のように構成された本実施例に係る車両用電源装置による動作について図３を参照して説明する。   The operation of the vehicle power supply device according to this embodiment configured as described above will be described with reference to FIG.

図３において、時刻ｔ１でイグニッションスイッチがオフされると、第一スイッチ１１と第二スイッチ１２がオフされる。   In FIG. 3, when the ignition switch is turned off at time t1, the first switch 11 and the second switch 12 are turned off.

時刻ｔ２において、車両１外部の直流電源１０の充電コネクタが急速充電口９に接続され、充電開始の操作が完了すると、給電状態がオンにされる。   At time t2, the charging connector of the DC power supply 10 outside the vehicle 1 is connected to the quick charging port 9, and when the operation for starting charging is completed, the power supply state is turned on.

給電状態がオンにされると、時刻ｔ３において、第三スイッチ１３と第四スイッチ１４がオンされる。   When the power supply state is turned on, the third switch 13 and the fourth switch 14 are turned on at time t3.

時刻ｔ４において、充電が完了すると、給電状態がオフにされる。給電状態がオフにされると、時刻ｔ５において、充電経路のスイッチが全てオフされる。   When charging is completed at time t4, the power supply state is turned off. When the power supply state is turned off, all the switches in the charging path are turned off at time t5.

時刻ｔ６において、イグニッションスイッチがオンされると、第一スイッチ１１と第二スイッチ１２がオンされ、バッテリ５１からインバータ３、電装負荷４へ電力が供給される。   When the ignition switch is turned on at time t6, the first switch 11 and the second switch 12 are turned on, and power is supplied from the battery 51 to the inverter 3 and the electrical load 4.

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。すべてのこのような修正及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 invention have been disclosed, it will be apparent to those skilled in the art that changes may be made without departing from the scope of the invention. All such modifications and equivalents are intended to be included in the following claims.

１ 車両
４ 電装負荷
６ 制御部
７ 充電器
８ 普通充電口（交流電源の充電口）
９ 急速充電口（直流電源の充電口）
１０ 直流電源
１１ 第一スイッチ
１２ 第二スイッチ
１３ 第三スイッチ
１４ 第四スイッチ
３１、３２、３３ キャパシタ
５１ バッテリ（電源） 1 vehicle 4 electrical load 6 control unit 7 charger 8 normal charging port (charging port of AC power supply)
9 Rapid charging port (DC power supply charging port)
DESCRIPTION OF SYMBOLS 10 DC power supply 11 1st switch 12 2nd switch 13 3rd switch 14 4th switch 31, 32, 33 Capacitor 51 Battery (power supply)

Claims (4)

車両に備えられた直流電源の充電口を介して車両外部の電源から車両内部の電源へ電力を供給する車両用電源装置であって、
前記直流電源の充電口の正極と負極との間に接続されるキャパシタと、
前記車両内部の電源と接続される電装負荷と、
前記直流電源の充電口の正極と前記キャパシタとの接続経路を開閉する第一スイッチと、
前記直流電源の充電口の負極と前記キャパシタとの接続経路を開閉する第二スイッチと、を備え、
前記キャパシタと前記第一スイッチと前記第二スイッチは、前記電装負荷に対して並列に接続される車両用電源装置。 A power supply device for a vehicle that supplies power from a power supply outside the vehicle to a power supply inside the vehicle via a charging port of a DC power supply provided in the vehicle,
A capacitor connected between a positive electrode and a negative electrode of the charging port of the DC power supply;
An electrical load connected to a power source inside the vehicle;
A first switch for opening and closing a connection path between the positive electrode of the charging port of the DC power supply and the capacitor;
A second switch that opens and closes a connection path between the negative electrode of the charging port of the DC power supply and the capacitor;
The capacitor, the first switch, and the second switch are a vehicle power supply device connected in parallel to the electrical load. 交流電源の充電口と、
前記交流電源の充電口に供給される交流電力を直流電力に変換する充電器と、を備え、
前記第一スイッチは、前記充電器の正極と前記キャパシタの間に接続され、前記第二スイッチは、前記充電器の負極と前記キャパシタの間に接続される請求項１に記載の車両用電源装置。 AC charging port,
A charger for converting AC power supplied to the charging port of the AC power source into DC power,
2. The vehicle power supply device according to claim 1, wherein the first switch is connected between a positive electrode of the charger and the capacitor, and the second switch is connected between a negative electrode of the charger and the capacitor. . 前記第一スイッチと前記第二スイッチの開閉を制御する制御部を備え、
前記制御部は、前記車両外部の電源から前記直流電源の充電口を介して前記車両内部の電源を充電する際に、前記第一スイッチと前記第二スイッチを開状態にする請求項１または請求項２に記載の車両用電源装置。 A control unit for controlling opening and closing of the first switch and the second switch;
The said control part opens said 1st switch and said 2nd switch, when charging the power supply inside the said vehicle via the charging port of the said DC power supply from the power supply outside the said vehicle. Item 3. The vehicle power supply device according to Item 2. 前記直流電源の充電口の正極と、前記車両内部の電源の正極と前記キャパシタとの接続経路と、の接続経路を開閉する第三スイッチと、
前記直流電源の充電口の負極と、前記車両内部の電源の負極と前記キャパシタとの接続経路と、の接続経路を開閉する第四スイッチと、
前記第一スイッチ、前記第二スイッチ、前記第三スイッチ及び前記第四スイッチの開閉を制御する制御部と、を備え、
前記制御部は、前記車両外部の電源から前記直流電源の充電口を介して前記車両内部の電源を充電する際に、前記第一スイッチと前記第二スイッチを開状態にし、前記第三スイッチと前記第四スイッチを閉状態にする請求項１または請求項２に記載の車両用電源装置。 A third switch that opens and closes a connection path between the positive electrode of the charging port of the DC power supply, the positive electrode of the power supply inside the vehicle, and the connection path of the capacitor;
A fourth switch that opens and closes a connection path between the negative electrode of the charging port of the DC power supply, the negative electrode of the power supply inside the vehicle, and the connection path of the capacitor;
A control unit that controls opening and closing of the first switch, the second switch, the third switch, and the fourth switch;
The control unit opens the first switch and the second switch when charging the power source inside the vehicle from the power source outside the vehicle via the charging port of the DC power source, The vehicle power supply device according to claim 1 or 2, wherein the fourth switch is closed.
JP2018068346A 2018-03-30 2018-03-30 vehicle power supply Active JP7214975B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018068346A JP7214975B2 (en) 2018-03-30 2018-03-30 vehicle power supply
DE102019204112.4A DE102019204112A1 (en) 2018-03-30 2019-03-26 Power supply system for a vehicle
CN201910245596.4A CN110323797A (en) 2018-03-30 2019-03-28 Vehicle power source device
FR1903236A FR3079687B1 (en) 2018-03-30 2019-03-28 POWER SOURCE SYSTEM FOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018068346A JP7214975B2 (en) 2018-03-30 2018-03-30 vehicle power supply

Publications (2)

Publication Number Publication Date
JP2019180153A true JP2019180153A (en) 2019-10-17
JP7214975B2 JP7214975B2 (en) 2023-01-31

Family

ID=67909884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018068346A Active JP7214975B2 (en) 2018-03-30 2018-03-30 vehicle power supply

Country Status (4)

Country Link
JP (1) JP7214975B2 (en)
CN (1) CN110323797A (en)
DE (1) DE102019204112A1 (en)
FR (1) FR3079687B1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009225587A (en) * 2008-03-17 2009-10-01 Toyota Motor Corp Electric vehicle
JP2013230022A (en) * 2012-04-26 2013-11-07 Toyota Motor Corp Vehicle
WO2015087488A1 (en) * 2013-12-11 2015-06-18 三洋電機株式会社 Power supply
JP2015228743A (en) * 2014-05-30 2015-12-17 トヨタ自動車株式会社 Power storage system
JP2017173264A (en) * 2016-03-25 2017-09-28 富士通テン株式会社 Method and device for specifying deterioration
US20180072179A1 (en) * 2016-09-09 2018-03-15 Ford Global Technologies, Llc Vehicle High Voltage Interlock
JP2018042370A (en) * 2016-09-07 2018-03-15 トヨタ自動車株式会社 Vehicle and control method thereof
JP2018148680A (en) * 2017-03-03 2018-09-20 株式会社デンソーテン Voltage application control device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5627264B2 (en) * 2010-03-27 2014-11-19 三洋電機株式会社 Power supply device for vehicle and vehicle equipped with this power supply device
JP6597446B2 (en) 2016-03-28 2019-10-30 株式会社豊田自動織機 In-vehicle electric compressor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009225587A (en) * 2008-03-17 2009-10-01 Toyota Motor Corp Electric vehicle
JP2013230022A (en) * 2012-04-26 2013-11-07 Toyota Motor Corp Vehicle
WO2015087488A1 (en) * 2013-12-11 2015-06-18 三洋電機株式会社 Power supply
JP2015228743A (en) * 2014-05-30 2015-12-17 トヨタ自動車株式会社 Power storage system
JP2017173264A (en) * 2016-03-25 2017-09-28 富士通テン株式会社 Method and device for specifying deterioration
JP2018042370A (en) * 2016-09-07 2018-03-15 トヨタ自動車株式会社 Vehicle and control method thereof
US20180072179A1 (en) * 2016-09-09 2018-03-15 Ford Global Technologies, Llc Vehicle High Voltage Interlock
JP2018148680A (en) * 2017-03-03 2018-09-20 株式会社デンソーテン Voltage application control device

Also Published As

Publication number Publication date
CN110323797A (en) 2019-10-11
DE102019204112A1 (en) 2019-10-02
FR3079687A1 (en) 2019-10-04
FR3079687B1 (en) 2022-11-11
JP7214975B2 (en) 2023-01-31

Similar Documents

Publication Publication Date Title
CN106004445B (en) Vehicle power source device
JP3776348B2 (en) Vehicle power supply
JP5829567B2 (en) Test system for electric vehicle or hybrid electric vehicle
CN111746308B (en) Electric power system and control method thereof
US11292358B2 (en) Vehicle and control method for vehicle
WO2013129231A1 (en) Power supply apparatus
JP2014158399A (en) Rotary electric machine drive device
JP6595785B2 (en) Vehicle power supply
JP7020247B2 (en) Vehicle power supply
JP7131028B2 (en) vehicle power supply
JP5939165B2 (en) Rotating electrical machine control device
JP7020248B2 (en) Vehicle power supply
JP2013070474A (en) Vehicle and control method of vehicle
JP2014193094A (en) Power supply control device for vehicle
JP2015220952A (en) Power charging apparatus
JP7003803B2 (en) Vehicle power supply
CN110546879B (en) Rotating electric machine control device and power supply system
JP2020005394A (en) Power source system
JP7214975B2 (en) vehicle power supply
JPWO2014125737A1 (en) Battery control device and power supply control method
JP6645380B2 (en) Vehicle system
JP2016213967A (en) Power supply device
EP4059763A1 (en) Charge/discharge control device with pre-charging for an electric vehicle
JP2025080173A (en) Vehicle control device
JP2016125377A (en) Power control device

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210121

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20211108

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220303

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220726

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220817

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221220

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230102

R151 Written notification of patent or utility model registration

Ref document number: 7214975

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151