JP6781212B2 - 地絡検出装置 - Google Patents
地絡検出装置 Download PDFInfo
- Publication number
- JP6781212B2 JP6781212B2 JP2018155976A JP2018155976A JP6781212B2 JP 6781212 B2 JP6781212 B2 JP 6781212B2 JP 2018155976 A JP2018155976 A JP 2018155976A JP 2018155976 A JP2018155976 A JP 2018155976A JP 6781212 B2 JP6781212 B2 JP 6781212B2
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- ground fault
- battery
- contact
- insulation resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 81
- 238000005259 measurement Methods 0.000 claims description 50
- 238000009413 insulation Methods 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 36
- 238000010586 diagram Methods 0.000 description 7
- 101100136787 Rattus norvegicus Plaat5 gene Proteins 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- G01R1/02—General constructional details
-
- 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
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- 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
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
ここで、前記一対のc接点リレーは、それぞれの接点cが前記コンデンサ側に接続され、互いの接点aと接点bとが接続されていてもよい。
また、前記Vcn測定経路での前記コンデンサの充電電圧測定値が0とみなせる場合に、前記一対のc接点リレーを切り換えて前記コンデンサの接続方向を反転することができる。
また、前記一対のc接点リレーをツインリレーで構成してもよい。
また、前記スイッチ群を2つのc接点リレーで構成してもよい。
110 制御装置
120 ツインリレー
121 c接点リレー
122 c接点リレー
131 c接点リレー
132 c接点リレー
500 地絡検出装置
510 制御装置
520 昇圧器
540 負荷
Claims (5)
- 昇圧回路を介して負荷に電源を供給する非接地のバッテリと接続し、前記バッテリが設けられた系の絶縁抵抗を算出して地絡を検出する地絡検出装置であって、
フライングキャパシタとして動作するコンデンサと、
前記バッテリ、前記コンデンサを含んだV0測定経路と、前記バッテリ、前記バッテリ負側と接地との絶縁抵抗である負側絶縁抵抗、前記コンデンサを含んだVcn測定経路と、前記バッテリ、前記バッテリ正側と接地との絶縁抵抗である正側絶縁抵抗、前記コンデンサを含んだVcp測定経路と、前記コンデンサの充電電圧測定経路とを切り換えるスイッチ群と、
前記コンデンサの接続方向を反転可能とする一対のc接点リレーと、
を備えることを特徴とする地絡検出装置。 - 前記一対のc接点リレーは、それぞれの接点cが前記コンデンサ側に接続され、互いの接点aと接点bとが接続されていることを特徴とする請求項1に記載の地絡検出装置。
- 前記Vcn測定経路での前記コンデンサの充電電圧測定値が0とみなせる場合に、前記一対のc接点リレーを切り換えて前記コンデンサの接続方向を反転することを特徴とする請求項1または2に記載の地絡検出装置。
- 前記一対のc接点リレーをツインリレーで構成したことを特徴とする請求項1〜3のいずれか1項に記載の地絡検出装置。
- 前記スイッチ群を2つのc接点リレーで構成したことを特徴とする請求項1〜4のいずれか1項に記載の地絡検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018155976A JP6781212B2 (ja) | 2018-08-23 | 2018-08-23 | 地絡検出装置 |
US16/515,192 US10890627B2 (en) | 2018-08-23 | 2019-07-18 | Ground fault detection apparatus |
CN201910682083.XA CN110895312B (zh) | 2018-08-23 | 2019-07-26 | 接地故障检测设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018155976A JP6781212B2 (ja) | 2018-08-23 | 2018-08-23 | 地絡検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020030117A JP2020030117A (ja) | 2020-02-27 |
JP6781212B2 true JP6781212B2 (ja) | 2020-11-04 |
Family
ID=69583441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018155976A Expired - Fee Related JP6781212B2 (ja) | 2018-08-23 | 2018-08-23 | 地絡検出装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10890627B2 (ja) |
JP (1) | JP6781212B2 (ja) |
CN (1) | CN110895312B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020098142A (ja) * | 2018-12-18 | 2020-06-25 | 矢崎総業株式会社 | 地絡検出装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111537905B (zh) * | 2020-05-29 | 2022-07-05 | 深圳市慧源动力技术有限公司 | 一种高效绝缘漏电检测电路及绝缘漏电检测方法 |
CN113835039B (zh) * | 2020-06-23 | 2023-01-20 | 株洲中车时代电气股份有限公司 | 一种接地检测电路及方法 |
JP7391482B2 (ja) * | 2021-05-31 | 2023-12-05 | 矢崎総業株式会社 | 地絡検出装置 |
JP7395240B2 (ja) * | 2021-08-06 | 2023-12-11 | 矢崎総業株式会社 | 地絡検出装置 |
CN113777514B (zh) * | 2021-09-24 | 2023-06-16 | 重庆电哥科技(集团)有限公司 | 一种后备式储能系统的绝缘检测电路、系统及方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4387306A (en) * | 1981-06-22 | 1983-06-07 | General Signal Corporation | Vital contact checking circuit |
US4762663A (en) * | 1986-04-08 | 1988-08-09 | Westinghouse Electric Corp. | Self-testing monitoring circuit |
JP3224977B2 (ja) * | 1994-12-12 | 2001-11-05 | 本田技研工業株式会社 | 非接地電源の絶縁検出方法及び装置 |
US6459241B1 (en) * | 2001-07-20 | 2002-10-01 | Tai-Her Yang | Capacity detection methodology and circuitry by boosted transient current |
JP4756301B2 (ja) * | 2001-09-11 | 2011-08-24 | 株式会社デンソー | フライングキャパシタ式組電池電圧検出回路の駆動方法 |
JP4056923B2 (ja) * | 2003-04-28 | 2008-03-05 | 本田技研工業株式会社 | 地絡検知装置 |
TWI477016B (zh) * | 2006-07-24 | 2015-03-11 | Newire Inc | 與導電扁線一起使用的電源裝置、導電扁線系統、監控導電扁線的方法及與導電扁線一起使用之主動安全裝置 |
JP4839270B2 (ja) * | 2007-06-18 | 2011-12-21 | 矢崎総業株式会社 | 絶縁検出装置 |
US7852089B2 (en) * | 2008-05-08 | 2010-12-14 | Lear Corporation | Ground-fault detection system for vehicles with a high-voltage power net |
CN102119336B (zh) * | 2008-08-11 | 2013-11-20 | 株式会社Lg化学 | 用于感测电池漏电流的设备和方法及包括该设备的电池驱动设备和电池组 |
JP5406611B2 (ja) * | 2009-07-08 | 2014-02-05 | 矢崎総業株式会社 | 絶縁状態検出装置 |
JP5681409B2 (ja) * | 2010-08-17 | 2015-03-11 | 矢崎総業株式会社 | 非接地電源の絶縁状態検出回路 |
JP2015197406A (ja) * | 2014-04-03 | 2015-11-09 | 矢崎総業株式会社 | 絶縁検出装置 |
JP6433305B2 (ja) * | 2014-04-09 | 2018-12-05 | 矢崎総業株式会社 | 非接地電源の絶縁検出装置及び絶縁検出方法 |
CN104898064A (zh) * | 2015-05-12 | 2015-09-09 | 科力远混合动力技术有限公司 | 一种飞渡电容的采样电路及采样方法 |
JP6654417B2 (ja) * | 2015-12-04 | 2020-02-26 | 株式会社デンソーテン | オフセット電圧生成装置及びオフセット電圧生成方法 |
US10330716B2 (en) * | 2017-02-07 | 2019-06-25 | Yazaki Corporation | Earth fault detector with flying capacitor |
JP6625586B2 (ja) * | 2017-02-07 | 2019-12-25 | 矢崎総業株式会社 | 地絡検出装置 |
US10475612B2 (en) * | 2017-04-27 | 2019-11-12 | Rockwell Automation Asia Pacific Business Center, Pte. Ltd. | Electrical relay system with failure detection |
-
2018
- 2018-08-23 JP JP2018155976A patent/JP6781212B2/ja not_active Expired - Fee Related
-
2019
- 2019-07-18 US US16/515,192 patent/US10890627B2/en active Active
- 2019-07-26 CN CN201910682083.XA patent/CN110895312B/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020098142A (ja) * | 2018-12-18 | 2020-06-25 | 矢崎総業株式会社 | 地絡検出装置 |
Also Published As
Publication number | Publication date |
---|---|
CN110895312B (zh) | 2021-12-28 |
US20200064388A1 (en) | 2020-02-27 |
JP2020030117A (ja) | 2020-02-27 |
US10890627B2 (en) | 2021-01-12 |
CN110895312A (zh) | 2020-03-20 |
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