JP2016063622A - 充電装置 - Google Patents
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- 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
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
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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
- B60L53/10—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 the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
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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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
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- H—ELECTRICITY
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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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
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—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
- 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
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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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
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- 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
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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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
【解決手段】 交流電源1の交流を整流して脈流とする整流回路2と、この整流回路2から出力される脈流の力率を高める力率改善手段15と、出力回路6とを備える。出力回路6は、充電対象機器3の充電端子に接続する出力端子5を有し前記力率改善手段15から出力される力率改善脈流を、電圧の平滑化を行うことなく出力する。また、充電対象機器3のバッテリー4の端子電圧を監視し前記脈流により生じる前記端子電圧のリップル電圧の変動幅によって充電程度を検出する充電程度検出手段7を設ける。
【選択図】 図1
Description
そこで、本発明者は、バッテリーの内部抵抗と充電程度とが比例する関係に着眼し、内部抵抗を検出して充電程度を検出することを考えた。バッテリーの内部抵抗は、内部抵抗計測器を用いれば、精度良く検出することができる。この内部抵抗の測定につき、従来の内部抵抗計測器は研究・実験用途向けの機器であって、高価であり、一般用途に用いることが困難であるうえ、端子の当て方による抵抗値の変動等で測定値が変動し、一般の者が正確に測定することが難しい。
このように、脈流で充電する方が、充電程度の検出に有利であり、過充電を回避してバッテリーの長寿命を図る上で有利である。
すなわち、脈流で充電すると、バッテリーの端子電圧にリップル電圧が生じる。このリップル電圧の変動幅、つまり振幅は、バッテリーの内部抵抗に比例する。また、バッテリーの内部抵抗は充電が進むに従って小さくなる。そのため、バッテリーの端子電圧の変動幅を測定することにより、バッテリーの充電の程度を正確に検出することができる。これにより、満充電を精度良く検出し、急速充電等における過充電を回避し、バッテリーの寿命低下を防止することができる。なお、脈流で充電するが、電圧変動があっても、過充電の場合のようなバッテリーの寿命低下は生じない。
脈流の電流波形を矩形化し各波山間の幅を狭めることで、前記脈流の力率が向上してバッテリーに印加される電力が大きくなる。
上記のように、整流後の電圧の平滑化を行っていない脈流の状態で充電すると、バッテリー4の端子電圧にリップル電圧が生じる。このリップル電圧の変動幅、つまり振幅は、バッテリー4の内部抵抗に比例する。また、バッテリー4の内部抵抗は充電が進むに従って小さくなる。そのため、前記充電程度検出手段7によりバッテリー4の端子電圧の変動幅を測定することにより、バッテリー4の充電の程度を正確に検出することができる。これにより、満充電を精度良く検出し、急速充電等における過充電を回避し、バッテリー4の寿命低下を防止することができる。
なお、「リップル電圧」は、直流成分に重畳されて周期的に変動する電圧を言う。
2…整流回路
3…充電対象機器
4…バッテリー
5…出力端子
6…出力回路
7…充電程度検出手段
11…充電停止手段
13…充電程度報知手段
14…電圧変換回路
15…力率改善手段
Claims (3)
- 交流電源の交流を整流して脈流とする整流回路と、この整流回路から出力される脈流の力率を高める力率改善手段と、充電対象機器の充電端子に接続する出力端子を有し前記力率改善手段から出力される力率改善脈流を、電圧の平滑化を行うことなく出力する出力回路とを備える充電装置。
- 請求項1に記載の充電装置において、前記力率改善手段は、入力された脈流の電流波形を矩形化し各波山間の幅を狭めて前記力率改善脈流とする充電装置。
- 請求項1または請求項2に記載の充電装置において、前記充電対象機器のバッテリーの端子電圧を監視し前記脈流により生じる前記端子電圧のリップル電圧の変動幅によって充電程度を検出する充電程度検出手段を設けた充電装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014189665A JP6400407B2 (ja) | 2014-09-18 | 2014-09-18 | 充電装置 |
PCT/JP2015/075564 WO2016043099A1 (ja) | 2014-09-18 | 2015-09-09 | 充電装置 |
CN201580049651.2A CN106688158A (zh) | 2014-09-18 | 2015-09-09 | 充电装置 |
US15/454,624 US20170187215A1 (en) | 2014-09-18 | 2017-03-09 | Charging device |
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JP2014189665A JP6400407B2 (ja) | 2014-09-18 | 2014-09-18 | 充電装置 |
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Publication Number | Publication Date |
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JP2016063622A true JP2016063622A (ja) | 2016-04-25 |
JP6400407B2 JP6400407B2 (ja) | 2018-10-03 |
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JP2014189665A Expired - Fee Related JP6400407B2 (ja) | 2014-09-18 | 2014-09-18 | 充電装置 |
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US (1) | US20170187215A1 (ja) |
JP (1) | JP6400407B2 (ja) |
CN (1) | CN106688158A (ja) |
WO (1) | WO2016043099A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017208743A1 (ja) * | 2016-06-02 | 2017-12-07 | Ntn株式会社 | バッテリ充電装置 |
JP2018519781A (ja) * | 2016-02-05 | 2018-07-19 | クワントン オーピーピーオー モバイル テレコミュニケーションズ コーポレイション リミテッド | 端末用充電システム、充電方法及び電源アダプタ |
JP2018527871A (ja) * | 2016-02-05 | 2018-09-20 | クワントン オーピーピーオー モバイル テレコミュニケーションズ コーポレイション リミテッド | 端末用充電システム、充電方法及び電源アダプタ |
US10826419B2 (en) | 2016-03-22 | 2020-11-03 | Ntn Corporation | Brake device for AC generator |
US10862174B2 (en) | 2018-01-30 | 2020-12-08 | Toyota Jidosha Kabushiki Kaisha | Secondary battery system and method of estimating deterioration state of secondary battery system |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017221073A (ja) | 2016-06-10 | 2017-12-14 | Ntn株式会社 | Dc/dcコンバータ |
CN109314472B (zh) | 2016-06-10 | 2021-10-26 | Ntn株式会社 | 功率因数改善装置 |
GB2552777B (en) | 2016-07-21 | 2022-06-08 | Petalite Ltd | A battery charging system and method |
EP3276780B1 (en) * | 2016-07-26 | 2019-08-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | Charging device and method, power adapter and terminal |
EP3276784B1 (en) * | 2016-07-26 | 2020-06-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging system, charging method, and power adapter |
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Also Published As
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US20170187215A1 (en) | 2017-06-29 |
JP6400407B2 (ja) | 2018-10-03 |
CN106688158A (zh) | 2017-05-17 |
WO2016043099A1 (ja) | 2016-03-24 |
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