JP5708576B2 - 絶縁低下検出装置 - Google Patents
絶縁低下検出装置 Download PDFInfo
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- 238000009413 insulation Methods 0.000 title claims description 62
- 238000001514 detection method Methods 0.000 title claims description 38
- 239000003990 capacitor Substances 0.000 claims description 66
- 230000008878 coupling Effects 0.000 claims description 48
- 238000010168 coupling process Methods 0.000 claims description 48
- 238000005859 coupling reaction Methods 0.000 claims description 48
- 230000001629 suppression Effects 0.000 claims description 30
- 230000007423 decrease Effects 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 7
- 230000006866 deterioration Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 12
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
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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
- B60L3/12—Recording operating variables ; Monitoring of operating variables
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
-
- 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
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/147—Emission reduction of noise electro magnetic [EMI]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
-
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
-
- 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)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
第1実施形態について説明する。本実施形態に係る絶縁低下検出装置2は、車両に搭載される高電圧回路1と車体100との間の絶縁抵抗の低下を検出する装置であり、ハイブリッド自動車や電気自動車等のように高圧バッテリ11を搭載している車両に適用される。
次に、第2実施形態について説明する。なお、本実施形態では、第1実施形態と同様または均等な部分についての説明を省略、または簡略化して説明する。
次に、第3実施形態について説明する。本実施形態では、第1、第2実施形態と同様または均等な部分についての説明を省略、または簡略化して説明する。
次に、第4実施形態について説明する。本実施形態では、第1〜第3実施形態と同様または均等な部分についての説明を省略、または簡略化して説明する。
以上、本発明の実施形態について説明したが、本発明はこれに限定されるものではなく、各請求項に記載した範囲を逸脱しない限り、種々変形可能である。例えば、以下のように種々変形することができる。
100 車体
2 絶縁低下検出装置
21 カップリングコンデンサ
22 発振回路部
231 判定部
232 デジタルフィルタ
24 エイリアシング抑制回路部
241 抵抗器
25 保護回路部
Claims (5)
- 車体(100)と高電圧回路(1)との絶縁抵抗(3)の低下を検出する絶縁低下検出装置であって、
前記高電圧回路における所定の一点に一端(21a)が接続されるカップリングコンデンサ(21)と、
所定の出力インピーダンス(221)を介して、所定周波数の交流電圧を前記カップリングコンデンサの他端(21b)に印加する発振回路部(22)と、
前記カップリングコンデンサの前記他端の対地電位の振幅レベルの変化に基づいて、前記車体と前記高電圧回路との絶縁抵抗の低下を判定する判定部(231)と、
前記カップリングコンデンサの前記他端と前記判定部の信号入力部(231a)との間に接続されて、前記判定部に入力される前記対地電位に含まれるノイズを除去するデジタルフィルタ(232)と、
前記カップリングコンデンサの前記他端と前記デジタルフィルタの信号入力部(232a)との間に接続され、前記デジタルフィルタにおけるエイリアシングの発生を抑制するエイリアシング抑制回路部(24)と、
前記高電圧回路から侵入する高電圧ノイズから前記判定部、および前記デジタルフィルタを保護するための保護回路部(25)と、を備え、
前記エイリアシング抑制回路部は、前記カップリングコンデンサの前記他端に接続された抵抗器(241)を含んでローパスフィルタとして構成され、
前記保護回路部は、前記カップリングコンデンサの前記他端と前記デジタルフィルタの信号入力部との間において、前記抵抗器よりも前記デジタルフィルタの信号入力部側に接続されていることを特徴とする絶縁低下検出装置。 - 前記保護回路部は、一端が前記抵抗器と前記デジタルフィルタの信号入力部との間に接続され、他端が前記車体に接地された接地コンデンサ(251)を含んで構成されていることを特徴とする請求項1に記載の絶縁低下検出装置。
- 車体(100)と高電圧回路(1)との絶縁抵抗(3)の低下を検出する絶縁低下検出装置であって、
前記高電圧回路における所定の一点に一端(21a)が接続されるカップリングコンデンサ(21)と、
所定の出力インピーダンス(221)を介して、所定周波数の交流電圧を前記カップリングコンデンサの他端(21b)に印加する発振回路部(22)と、
前記カップリングコンデンサの前記他端の対地電位の振幅レベルの変化に基づいて、前記車体と前記高電圧回路との絶縁抵抗の低下を判定する判定部(231)と、
前記カップリングコンデンサの前記他端と前記判定部の信号入力部(231a)との間に接続されて、前記判定部に入力される前記対地電位に含まれるノイズを除去するデジタルフィルタ(232)と、
前記カップリングコンデンサの前記他端と前記デジタルフィルタの信号入力部(232a)との間に接続され、前記デジタルフィルタにおけるエイリアシングの発生を抑制するエイリアシング抑制回路部(24)と、
前記高電圧回路から侵入する高電圧ノイズから前記判定部、および前記デジタルフィルタを保護するための保護回路部(25)と、を備え、
前記エイリアシング抑制回路部は、前記カップリングコンデンサの前記他端に接続された抵抗器(241)と、一端が前記抵抗器と前記デジタルフィルタの信号入力部との間に接続され、他端が前記車体に接地された接地コンデンサ(251)とで構成され、
前記保護回路部は、前記接地コンデンサ(251)を含んで構成されていることを特徴とする絶縁低下検出装置。 - 前記保護回路部は、ダイオード(252a、252b)およびツエナーダイオード(252c)の少なくとも一方を有していることを特徴とする請求項2または3に記載の絶縁低下検出装置。
- 前記保護回路部は、前記高電圧回路から高電圧ノイズが侵入した際に、前記高電圧ノイズに伴う過電流が前記判定部および前記デジタルフィルタに流れることを防止する過電流防止手段(253)を有していることを特徴とする請求項2ないし4のいずれか1つに記載の絶縁低下検出装置。
Priority Applications (2)
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JP2012148594A JP5708576B2 (ja) | 2012-07-02 | 2012-07-02 | 絶縁低下検出装置 |
US13/933,852 US9041406B2 (en) | 2012-07-02 | 2013-07-02 | Insulation deterioration detection apparatus |
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JP2012148594A JP5708576B2 (ja) | 2012-07-02 | 2012-07-02 | 絶縁低下検出装置 |
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JP2014010106A JP2014010106A (ja) | 2014-01-20 |
JP5708576B2 true JP5708576B2 (ja) | 2015-04-30 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR3010676B1 (fr) * | 2013-09-16 | 2015-10-30 | Renault Sas | Procede de commande d'un systeme electrique de traction et systeme electrique de traction correspondant |
CN109642919B (zh) * | 2016-10-21 | 2021-10-15 | 松下知识产权经营株式会社 | 接地检测装置以及蓄电系统 |
CN111060842B (zh) * | 2018-10-16 | 2024-06-21 | 株式会社电装 | 漏电判断系统 |
JP6986004B2 (ja) * | 2018-12-03 | 2021-12-22 | 株式会社デンソー | 絶縁抵抗検出装置 |
CN112485578B (zh) * | 2020-12-11 | 2022-10-11 | 安徽机电职业技术学院 | 一种网络滤波器多环境对比模拟检测系统 |
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JPH0345871Y2 (ja) | 1985-07-09 | 1991-09-27 | ||
JPH0345871A (ja) | 1989-07-10 | 1991-02-27 | Sanden Corp | 冷凍回路の冷媒分流器 |
JPH0632259B2 (ja) | 1990-07-19 | 1994-04-27 | 日本エアーテツク株式会社 | イオン化気体発生装置 |
JP3781289B2 (ja) * | 2002-03-15 | 2006-05-31 | 株式会社デンソー | 電気自動車の地絡検出回路 |
JP4027727B2 (ja) * | 2002-06-20 | 2007-12-26 | 株式会社デンソー | 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 |
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 |
JP4686356B2 (ja) * | 2005-09-22 | 2011-05-25 | 矢崎総業株式会社 | 絶縁検出装置 |
JP2008169728A (ja) | 2007-01-10 | 2008-07-24 | Denso Corp | エンジン制御用センサ信号の処理装置 |
JP5097032B2 (ja) | 2008-06-30 | 2012-12-12 | 株式会社日本自動車部品総合研究所 | 絶縁抵抗検出装置 |
EP2570289B1 (de) * | 2011-09-16 | 2018-08-15 | Samsung SDI Co., Ltd. | Einrichtung zur Erfassung des Isolationswiderstandes eines Hochvoltbatteriesystems |
JP6181742B2 (ja) * | 2012-04-18 | 2017-08-16 | エフ.ホフマン−ラ ロシュ アーゲーF. Hoffmann−La Roche Aktiengesellschaft | Hevアッセイ |
TWI543470B (zh) * | 2012-12-05 | 2016-07-21 | 技嘉科技股份有限公司 | 連接器電路及其高壓突波保護方法 |
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US20140002096A1 (en) | 2014-01-02 |
US9041406B2 (en) | 2015-05-26 |
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