JP7205489B2 - 充電制御装置、蓄電装置、充電方法 - Google Patents
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
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- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/70—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
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
本発明は上記のような事情に基づいて完成されたものであって、電流集中により、充電中に電圧降下素子が故障することを抑制することを目的とする。
1.バッテリの説明
図1は自動車の側面図、図2はバッテリの斜視図、図3はバッテリの分解斜視図、図4はバッテリの電気的構成を示すブロック図である。
鉛蓄電池とリチウムイオン二次電池は、特性の違いから、充電設定電圧(充電電圧の設定値)が異なっており、12V系の場合、鉛蓄電池用の充電設定電圧Eoは14.8V、リチウムイオン二次電池用の充電設定電圧Eoは14Vである。
本構成では、組電池30の総電圧Evが充電設定電圧Eoより高い場合に、組電池30に対する充電電圧を、バッテリ内部の充電回路60で、下げることが出来る。そのため、バッテリ20の安全性が高まる。しかも、2つの充電経路61A、61Bに交互に充電電流を流すので、寄生ダイオード64A、64Bのどちらかに電流が集中することはない。そのため、寄生ダイオード64A、64Bの故障を抑制することが出来る。
実施形態1では、組電池30の総電圧Evが充電設定電圧Eoより高い場合、CPU101が、第1充電経路61AのFET65Aと第2充電経路61BのFET65Bに対して、オン信号(FETをオンに制御する信号)を半周期Ts/2分ずらして交互に入力し、2つの充電経路61A、61Bの通電、非通電を交互に切り換える制御をした。
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
30 組電池
41 電流センサ
45 電圧検出部
50 充電制御装置
60 充電回路
61A 第1充電経路
61B 第2充電経路
63A、65A FET
64A、66A 寄生ダイオード
63B、65B FET
64B、66B 寄生ダイオード
100 管理部
101 CPU(本発明の「制御部」に相当する)
Claims (14)
- 蓄電素子の充電を制御する充電制御装置であって、
前記蓄電素子への充電経路であって、互いに並列に接続された複数の充電経路と、
前記充電経路上において直列接続された電圧降下素子及びスイッチと、
制御部と、を備え、
前記制御部は、前記スイッチの制御により、複数の前記充電経路内において、非通電となる充電経路を、充電中に切り換える充電制御装置。 - 請求項1に記載の充電制御装置であって、
前記制御部は、非通電となる充電経路を、複数の前記充電経路内において、交互又は順番に切り換える、充電制御装置。 - 請求項1又は請求項2に記載の充電制御装置であって、
前記電圧降下素子は、ダイオードであり、充電電圧を降下させる、充電制御装置。 - 請求項1~請求項3のいずれか一項に記載の充電制御装置であって、
前記制御部は、前記充電経路の切り換えを、充電電圧又は前記蓄電素子の電圧が設定電圧より高い場合に、実行する、充電制御装置。 - 請求項1~請求項4のいずれか一項に記載の充電制御装置であって、
前記制御部は、設定時間に基づいて、前記充電経路の切り換えを行う、充電制御装置。 - 請求項1~請求項5のいずれか一項に記載の充電制御装置であって、
前記制御部は、前記電圧降下素子の温度条件に基づいて、前記充電経路の切り換えを行う、充電制御装置。 - 請求項1~請求項6のいずれか一項に記載の充電制御装置であって、
前記制御部は、高温側の充電経路が非通電となる時間が低温側の充電経路が非通電となる時間より長くなるように、前記充電経路の切り換えを行う、充電制御装置。 - 請求項1~請求項7のいずれか一項に記載の充電制御装置であって、
前記制御部は、前記充電経路の切り換え制御中、前記充電経路間で前記スイッチが同時にオンする重複期間を有するように、前記充電経路の前記スイッチを制御する、充電制御装置。 - 請求項1~請求項8のいずれか一項に記載の充電制御装置であって、
並列に接続された各前記充電経路のうち、少なくとも1つの充電経路は、バックツーバック接続され、寄生ダイオードを内蔵する2つのFETを有する、充電制御装置。 - 請求項9に記載の充電制御装置であって、
前記制御部は、バックツーバック接続された前記2つのFETのうち、一方のFETをオン、他方のFETをオフして、充電電流を前記寄生ダイオードに流すことにより、充電電圧を降下させる、充電制御装置。 - 請求項1~請求項10のいずれか一項に記載の充電制御装置であって、
並列に接続された各前記充電経路は、バックツーバック接続され、寄生ダイオードを内蔵する2つのFETを有し、
前記制御部は、
充電電圧又は前記蓄電素子の電圧が設定電圧より低い場合、並列に接続された各前記充電経路のうち、少なくとも1つの充電経路は、バックツーバック接続された2つのFETを同時にオンし、
充電電圧又は前記蓄電素子の電圧が設定電圧より高い場合、各前記充電経路に設置されバックツーバック接続された2つのFETのうち、内蔵する寄生ダイオードが充電方向に対して順方向となる一方側のFETはオフし、内蔵する寄生ダイオードが充電方向に対して逆方向となる他方側のFETは、前記充電経路間でオンするタイミングが異なるように制御する、充電制御装置。 - 請求項1~請求項11のいずれか一項に記載の充電制御装置であって、
前記蓄電素子を有する1つの蓄電装置のみ充電を制御する、充電制御装置。 - 蓄電装置であって、
蓄電素子と、
請求項1~請求項12に記載の充電制御装置と、
前記蓄電素子と前記充電制御装置を収容するケースと、を有する、蓄電装置。 - 並列に接続された複数の充電経路を用いた蓄電素子の充電方法であって、
前記充電経路は、直列接続された電圧降下素子及びスイッチを有し、
前記電圧降下素子により充電電圧を降下させて充電を行いつつ、前記スイッチの制御により、複数の前記充電経路内において、非通電となる充電経路を、充電中に切り換える充電方法。
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PCT/JP2018/044496 WO2019111872A1 (ja) | 2017-12-04 | 2018-12-04 | 充電制御装置、蓄電装置、充電方法 |
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CN (1) | CN111406355A (ja) |
DE (1) | DE112018006195T5 (ja) |
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US11714109B2 (en) * | 2020-06-29 | 2023-08-01 | Zachary D. Gniewoz | Cell phone case with voltage detector |
US11705591B2 (en) * | 2020-09-09 | 2023-07-18 | Ford Global Technologies, Llc | Traction battery pack thermal event detection |
WO2023233912A1 (ja) * | 2022-06-02 | 2023-12-07 | 株式会社村田製作所 | 電圧変換器 |
CN116198371B (zh) * | 2023-03-27 | 2023-10-31 | 深圳市南霸科技有限公司 | 一种电动汽车充电控制系统 |
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US11843274B2 (en) | 2023-12-12 |
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