JP2012168072A - 漏電検知装置 - Google Patents
漏電検知装置 Download PDFInfo
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- JP2012168072A JP2012168072A JP2011030400A JP2011030400A JP2012168072A JP 2012168072 A JP2012168072 A JP 2012168072A JP 2011030400 A JP2011030400 A JP 2011030400A JP 2011030400 A JP2011030400 A JP 2011030400A JP 2012168072 A JP2012168072 A JP 2012168072A
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- pulse
- leakage
- voltage
- coupling capacitor
- discharge circuit
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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
- B60L3/04—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
- 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
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- 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
-
- 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
-
- 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
- B60L2240/80—Time limits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
【解決手段】漏電検知装置100は、カップリングコンデンサC1にパルスを供給するパルス発生器2と、カップリングコンデンサC1の電圧を検出する電圧検出部6と、電圧検出部6が検出した電圧を閾値と比較し、その比較結果に基づいて直流電源Bの漏電の有無を判定する漏電判定部7と、パルスが立ち下がった後、一定時間taだけ動作して、カップリングコンデンサC1の電荷を強制的に放電させる放電回路3とを備える。パルス発生器2は、一定時間taが経過したときに、新たなパルスを立ち上げる。
【選択図】図1
Description
2 パルス発生器
3 放電回路(第1の放電回路)
4 放電回路(第2の放電回路)
5 メモリ
6 電圧検出部
7 漏電判定部
8 タイマ
100 漏電検知装置
C1 カップリングコンデンサ
B 直流電源
G グランド
R3 抵抗
C2 コンデンサ
V1 閾値
Claims (5)
- 一端が直流電源に接続されるカップリングコンデンサと、
前記カップリングコンデンサの他端にパルスを供給するパルス発生器と、
前記パルスにより充電される前記カップリングコンデンサの電圧を検出する電圧検出部と、
前記電圧検出部が検出した電圧を閾値と比較し、その比較結果に基づいて前記直流電源の漏電の有無を判定する漏電判定部と、
を備えた漏電検知装置において、
前記パルスが立ち下がった後、一定時間だけ動作して、前記カップリングコンデンサの電荷を強制的に放電させる第1の放電回路をさらに備え、
前記パルス発生器は、前記一定時間が経過したときに、新たなパルスを立ち上げることを特徴とする漏電検知装置。 - 請求項1に記載の漏電検知装置において、
前記第1の放電回路の動作を制御する制御部をさらに備え、
前記制御部は、前記パルスが立ち下がったときに、前記第1の放電回路へ制御信号を出力し、
前記第1の放電回路は、前記制御信号に基づいて前記一定時間だけ導通するトランジスタを含み、前記カップリングコンデンサの電荷を、前記トランジスタを通して強制的に放電させることを特徴とする漏電検知装置。 - 請求項1に記載の漏電検知装置において、
前記カップリングコンデンサと前記電圧検出部との間に設けられるフィルタ回路と、
前記フィルタ回路に備わるコンデンサの電荷を強制的に放電させる第2の放電回路と、をさらに備え、
前記第1の放電回路と、前記第2の放電回路とは、同時に動作を開始することを特徴とする漏電検知装置。 - 請求項1に記載の漏電検知装置において、
前記漏電判定部は、前記パルスが立ち上がってから、前記カップリングコンデンサの電圧が飽和するまでの間の所定時刻で、漏電の有無を判定することを特徴とする漏電検知装置。 - 請求項1に記載の漏電検知装置において、
前記漏電判定部は、前記パルス発生器から前記新たなパルスが出力される度に、漏電の有無を判定することを特徴とする漏電検知装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011030400A JP5710307B2 (ja) | 2011-02-16 | 2011-02-16 | 漏電検知装置 |
DE102012100830.2A DE102012100830B4 (de) | 2011-02-16 | 2012-02-01 | Leckstromerfassungsvorrichtung |
CN2012100315695A CN102645605A (zh) | 2011-02-16 | 2012-02-13 | 漏电检测装置 |
KR1020120014076A KR101311556B1 (ko) | 2011-02-16 | 2012-02-13 | 누전 검지 장치 |
US13/398,461 US20120206152A1 (en) | 2011-02-16 | 2012-02-16 | Electric leakage detection apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011030400A JP5710307B2 (ja) | 2011-02-16 | 2011-02-16 | 漏電検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012168072A true JP2012168072A (ja) | 2012-09-06 |
JP5710307B2 JP5710307B2 (ja) | 2015-04-30 |
Family
ID=46579789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011030400A Expired - Fee Related JP5710307B2 (ja) | 2011-02-16 | 2011-02-16 | 漏電検知装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120206152A1 (ja) |
JP (1) | JP5710307B2 (ja) |
KR (1) | KR101311556B1 (ja) |
CN (1) | CN102645605A (ja) |
DE (1) | DE102012100830B4 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120299599A1 (en) * | 2011-05-23 | 2012-11-29 | Omron Automotive Electronics Co., Ltd. | Electric leakage sensing apparatus |
WO2015182030A1 (ja) * | 2014-05-26 | 2015-12-03 | カルソニックカンセイ株式会社 | 車両用地絡検出装置 |
JP2016065758A (ja) * | 2014-09-24 | 2016-04-28 | 株式会社Gsユアサ | 絶縁状態測定装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101606162A (zh) * | 2007-01-05 | 2009-12-16 | 质子世界国际公司 | 电子电路的临时锁定 |
US8566931B2 (en) * | 2007-01-05 | 2013-10-22 | Proton World International N.V. | Protection of information contained in an electronic circuit |
US8362784B2 (en) * | 2009-06-22 | 2013-01-29 | Mitsubishi Electric Corporation | Capacitor capacitance diagnosis device and electric power apparatus equipped with capacitor capacitance diagnosis device |
WO2013190611A1 (ja) * | 2012-06-18 | 2013-12-27 | 日立ビークルエナジー株式会社 | リーク検出装置 |
KR20160072739A (ko) | 2014-12-15 | 2016-06-23 | 한국단자공업 주식회사 | 누전 검출 장치 |
DE102016109137B3 (de) * | 2016-05-18 | 2017-06-08 | Lisa Dräxlmaier GmbH | Überwachungsvorrichtung und Überwachungsverfahren |
CN109425802B (zh) * | 2017-08-22 | 2021-02-26 | 华邦电子股份有限公司 | 漏电流检测装置及其检测方法 |
CN108037470A (zh) * | 2017-12-14 | 2018-05-15 | 郑州云海信息技术有限公司 | 一种dc电源漏电检测系统及检测方法 |
JP7100554B2 (ja) * | 2018-10-03 | 2022-07-13 | 株式会社Soken | 漏電判定装置 |
US11906599B2 (en) | 2019-06-28 | 2024-02-20 | Sanyo Electric Co., Ltd. | Earth leakage detecting device, and vehicular power supply system |
CN110297156B (zh) * | 2019-08-15 | 2024-04-05 | 山东凌宝智能科技有限公司 | 一种通过漏电电压检测漏电的电路及方法 |
CN112834951B (zh) * | 2020-09-07 | 2023-04-14 | 青岛经济技术开发区海尔热水器有限公司 | 一种漏电检测电路、漏电保护电路及家用电器 |
DE102021106891A1 (de) * | 2021-03-19 | 2022-09-22 | Webasto SE | Verfahren zum Überprüfen eines Isolationszustands einer Batterie oder eines Batteriesystems |
Citations (4)
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JPH09127174A (ja) * | 1995-10-30 | 1997-05-16 | Asuko Kk | 車両用乗員保護装置におけるエネルギーリザーバ保護装置 |
JP2003194870A (ja) * | 2001-12-27 | 2003-07-09 | Panasonic Ev Energy Co Ltd | 漏電検出装置 |
JP2003250201A (ja) * | 2002-02-26 | 2003-09-05 | Nissan Motor Co Ltd | 車両用地絡検出装置 |
WO2007026514A1 (ja) * | 2005-08-29 | 2007-03-08 | Nec Corporation | 絶縁抵抗検出装置 |
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US4114627A (en) * | 1976-12-14 | 1978-09-19 | American Hospital Supply Corporation | Cardiac pacer system and method with capture verification signal |
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JP2004347372A (ja) * | 2003-05-20 | 2004-12-09 | Denso Corp | 車載対地絶縁回路のカップリングコンデンサ式漏電検出装置 |
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JP4674194B2 (ja) * | 2006-09-29 | 2011-04-20 | 矢崎総業株式会社 | 絶縁検出装置 |
JP4306781B2 (ja) * | 2007-10-30 | 2009-08-05 | ダイキン工業株式会社 | 漏電検出回路 |
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-
2011
- 2011-02-16 JP JP2011030400A patent/JP5710307B2/ja not_active Expired - Fee Related
-
2012
- 2012-02-01 DE DE102012100830.2A patent/DE102012100830B4/de active Active
- 2012-02-13 KR KR1020120014076A patent/KR101311556B1/ko not_active IP Right Cessation
- 2012-02-13 CN CN2012100315695A patent/CN102645605A/zh active Pending
- 2012-02-16 US US13/398,461 patent/US20120206152A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09127174A (ja) * | 1995-10-30 | 1997-05-16 | Asuko Kk | 車両用乗員保護装置におけるエネルギーリザーバ保護装置 |
JP2003194870A (ja) * | 2001-12-27 | 2003-07-09 | Panasonic Ev Energy Co Ltd | 漏電検出装置 |
JP2003250201A (ja) * | 2002-02-26 | 2003-09-05 | Nissan Motor Co Ltd | 車両用地絡検出装置 |
WO2007026514A1 (ja) * | 2005-08-29 | 2007-03-08 | Nec Corporation | 絶縁抵抗検出装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120299599A1 (en) * | 2011-05-23 | 2012-11-29 | Omron Automotive Electronics Co., Ltd. | Electric leakage sensing apparatus |
WO2015182030A1 (ja) * | 2014-05-26 | 2015-12-03 | カルソニックカンセイ株式会社 | 車両用地絡検出装置 |
JP2015226343A (ja) * | 2014-05-26 | 2015-12-14 | カルソニックカンセイ株式会社 | 車両用地絡検出装置 |
US9963036B2 (en) | 2014-05-26 | 2018-05-08 | Calsonic Kansei Corporation | Vehicle ground fault detection apparatus |
JP2016065758A (ja) * | 2014-09-24 | 2016-04-28 | 株式会社Gsユアサ | 絶縁状態測定装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5710307B2 (ja) | 2015-04-30 |
DE102012100830B4 (de) | 2018-02-15 |
CN102645605A (zh) | 2012-08-22 |
US20120206152A1 (en) | 2012-08-16 |
KR101311556B1 (ko) | 2013-09-26 |
KR20120094432A (ko) | 2012-08-24 |
DE102012100830A1 (de) | 2012-08-16 |
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