JP2014126510A - 地絡検知装置 - Google Patents
地絡検知装置 Download PDFInfo
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- JP2014126510A JP2014126510A JP2012284868A JP2012284868A JP2014126510A JP 2014126510 A JP2014126510 A JP 2014126510A JP 2012284868 A JP2012284868 A JP 2012284868A JP 2012284868 A JP2012284868 A JP 2012284868A JP 2014126510 A JP2014126510 A JP 2014126510A
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- ground fault
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- 238000001514 detection method Methods 0.000 claims abstract description 58
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 230000004044 response Effects 0.000 claims abstract description 19
- 238000012806 monitoring device Methods 0.000 description 17
- 238000012544 monitoring process Methods 0.000 description 13
- 238000004891 communication Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 230000007423 decrease Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- 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
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
-
- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
【解決手段】地絡検知装置121は、絶縁抵抗変化部250において、リレー150、151により電池モジュール112と負荷の間が導通されて正極接続線160の電位が変動する際に、スイッチ251を切断状態から導通状態に切り替える。これにより、正極接続線160の絶縁抵抗を低下させて、正極接続線160の電位変動に応じたカップリングコンデンサ220の充電または放電を、絶縁抵抗202、212よりも低い抵抗値Rqを有する抵抗器252を介して行われるようにする。
【選択図】図2
Description
T≧C×Rq×ln{VH/(VH−VL)} ・・・(1)
112 電池モジュール
113 駆動回路
114 接地用回路
120 電池状態監視用集積回路
121 地絡検知装置
130 通信回路
131 制御部
132 通信部
140 モータ
150 リレー
151 リレー
160 正極接続線
161 負極接続線
201 浮遊容量
202 絶縁抵抗
211 浮遊容量
212 絶縁抵抗
220 カップリングコンデンサ
221 地絡検知部
222 交流信号発生部
250 絶縁抵抗変化部
251 スイッチ
252 抵抗器
Claims (4)
- 電池と負荷の間の接続線の地絡を検知する地絡検知装置であって、
交流信号を発生し、カップリングコンデンサを介して前記接続線に前記交流信号を印加する交流信号発生部と、
前記交流信号に対する応答信号を検出し、前記応答信号に基づいて前記接続線の地絡を検知する地絡検知部と、
前記接続線の電位が変動する際に、前記接続線の絶縁抵抗を低下させる絶縁抵抗変化部とを備えることを特徴とする地絡検知装置。 - 請求項1に記載の地絡検知装置において、
前記絶縁抵抗変化部は、一端が接地された抵抗器と、前記抵抗器と前記接続線の間に接続されたスイッチとを有し、
前記スイッチを切断状態から導通状態に切り替えることにより、前記接続線の絶縁抵抗を低下させることを特徴とする地絡検知装置。 - 請求項2に記載の地絡検知装置において、
前記接続線には、外部からの切替制御に応じて前記電池と前記負荷の間を切断または導通するリレーが接続されており、
前記絶縁抵抗変化部は、前記リレーにより前記電池と前記負荷の間が導通されるときに、前記スイッチを切断状態から導通状態に切り替えることを特徴とする地絡検知装置。 - 請求項2または3に記載の地絡検知装置において、
前記絶縁抵抗変化部は、前記カップリングコンデンサの容量値C、前記抵抗器の抵抗値Rq、前記交流信号の振幅VLおよび前記電池の最大電圧VHに基づいて、前記電池と前記負荷の間が導通されてから下記の式で表される時間Tの間、前記接続線の絶縁抵抗を低下させることを特徴とする地絡検知装置。
T≧C×Rq×ln{VH/(VH−VL)}
ただし、上記式においてln{VH/(VH−VL)}は、VH/(VH−VL)の自然対数を表す。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012284868A JP5926677B2 (ja) | 2012-12-27 | 2012-12-27 | 地絡検知装置 |
PCT/JP2013/082123 WO2014103613A1 (ja) | 2012-12-27 | 2013-11-29 | 地絡検知装置 |
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JP2012284868A JP5926677B2 (ja) | 2012-12-27 | 2012-12-27 | 地絡検知装置 |
Publications (3)
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JP2014126510A true JP2014126510A (ja) | 2014-07-07 |
JP2014126510A5 JP2014126510A5 (ja) | 2015-07-09 |
JP5926677B2 JP5926677B2 (ja) | 2016-05-25 |
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JP2012284868A Active JP5926677B2 (ja) | 2012-12-27 | 2012-12-27 | 地絡検知装置 |
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WO (1) | WO2014103613A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019140817A (ja) * | 2018-02-13 | 2019-08-22 | 本田技研工業株式会社 | 電源システム |
CN110531210A (zh) * | 2019-09-24 | 2019-12-03 | 成都凯迪飞研科技有限责任公司 | 航空线束导通与绝缘智能检测*** |
JP2023010583A (ja) * | 2021-07-09 | 2023-01-20 | トランスポーテーション アイピー ホールディングス,エルエルシー | 接地インピーダンスおよび不良検出システムおよび方法 |
Families Citing this family (7)
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CN104865506B (zh) * | 2015-05-20 | 2017-11-14 | 王运国 | 一种直流电气***的绝缘检测装置 |
JP2017173231A (ja) * | 2016-03-25 | 2017-09-28 | トヨタ自動車株式会社 | 絶縁抵抗低下検出装置 |
CN106932682B (zh) * | 2017-03-23 | 2023-09-29 | 中国南方电网有限责任公司超高压输电公司南宁局 | 一种电压全站一点接地的接地回路检测方法 |
CN108196176B (zh) * | 2018-03-01 | 2020-12-15 | 威马智慧出行科技(上海)有限公司 | 一种电池包的绝缘检测报警装置及其方法 |
CN110154765B (zh) * | 2019-05-31 | 2020-06-30 | 吉林大学 | 一种串联混合动力车辆高压上下电控制策略 |
CN113009302B (zh) * | 2021-03-18 | 2023-03-21 | 奇瑞新能源汽车股份有限公司 | 定位电动汽车高压***绝缘故障的方法及装置 |
CN115494427B (zh) * | 2022-09-26 | 2024-07-26 | 内蒙古霍煤鸿骏铝电有限责任公司 | 一种铝电解槽对地绝缘故障的检测方法 |
Citations (3)
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JP2006170714A (ja) * | 2004-12-14 | 2006-06-29 | Nissan Motor Co Ltd | 地絡検出装置、地絡検出装置の閾値設定方法 |
JP2010181368A (ja) * | 2009-02-09 | 2010-08-19 | Mitsubishi Motors Corp | バッテリパックの検査装置 |
JP2012168070A (ja) * | 2011-02-16 | 2012-09-06 | Omron Automotive Electronics Co Ltd | 漏電検知装置、漏電検知装置における閾値等の設定方法 |
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2012
- 2012-12-27 JP JP2012284868A patent/JP5926677B2/ja active Active
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- 2013-11-29 WO PCT/JP2013/082123 patent/WO2014103613A1/ja active Application Filing
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JP2006170714A (ja) * | 2004-12-14 | 2006-06-29 | Nissan Motor Co Ltd | 地絡検出装置、地絡検出装置の閾値設定方法 |
JP2010181368A (ja) * | 2009-02-09 | 2010-08-19 | Mitsubishi Motors Corp | バッテリパックの検査装置 |
JP2012168070A (ja) * | 2011-02-16 | 2012-09-06 | Omron Automotive Electronics Co Ltd | 漏電検知装置、漏電検知装置における閾値等の設定方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019140817A (ja) * | 2018-02-13 | 2019-08-22 | 本田技研工業株式会社 | 電源システム |
JP7020952B2 (ja) | 2018-02-13 | 2022-02-16 | 本田技研工業株式会社 | 電源システム |
CN110531210A (zh) * | 2019-09-24 | 2019-12-03 | 成都凯迪飞研科技有限责任公司 | 航空线束导通与绝缘智能检测*** |
JP2023010583A (ja) * | 2021-07-09 | 2023-01-20 | トランスポーテーション アイピー ホールディングス,エルエルシー | 接地インピーダンスおよび不良検出システムおよび方法 |
JP7343658B2 (ja) | 2021-07-09 | 2023-09-12 | トランスポーテーション アイピー ホールディングス,エルエルシー | 接地インピーダンスおよび不良検出システムおよび方法 |
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WO2014103613A1 (ja) | 2014-07-03 |
JP5926677B2 (ja) | 2016-05-25 |
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