JP2020030117A - 地絡検出装置 - Google Patents
地絡検出装置 Download PDFInfo
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- JP2020030117A JP2020030117A JP2018155976A JP2018155976A JP2020030117A JP 2020030117 A JP2020030117 A JP 2020030117A JP 2018155976 A JP2018155976 A JP 2018155976A JP 2018155976 A JP2018155976 A JP 2018155976A JP 2020030117 A JP2020030117 A JP 2020030117A
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- Prior art keywords
- capacitor
- ground fault
- battery
- insulation resistance
- contact
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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
-
- 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
- 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
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- 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)
Abstract
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 |
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JP2020030117A true JP2020030117A (ja) | 2020-02-27 |
JP6781212B2 JP6781212B2 (ja) | 2020-11-04 |
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JP2018155976A Active JP6781212B2 (ja) | 2018-08-23 | 2018-08-23 | 地絡検出装置 |
Country Status (3)
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US (1) | US10890627B2 (ja) |
JP (1) | JP6781212B2 (ja) |
CN (1) | CN110895312B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111537905A (zh) * | 2020-05-29 | 2020-08-14 | 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 |
CN113835039A (zh) * | 2020-06-23 | 2021-12-24 | 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 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6918428B2 (ja) * | 2018-12-18 | 2021-08-11 | 矢崎総業株式会社 | 地絡検出装置 |
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 |
Citations (7)
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JP2003084015A (ja) * | 2001-09-11 | 2003-03-19 | Denso Corp | フライングキャパシタ式組電池電圧検出回路及びその駆動方法 |
US20100156426A1 (en) * | 2008-08-11 | 2010-06-24 | Ju-Hyun Kang | Apparatus and method for sensing leakage current of battery, and battery-driven apparatus and battery pack comprising the apparatus |
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2018
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-
2019
- 2019-07-18 US US16/515,192 patent/US10890627B2/en active Active
- 2019-07-26 CN CN201910682083.XA patent/CN110895312B/zh active Active
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Publication number | Publication date |
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JP6781212B2 (ja) | 2020-11-04 |
CN110895312A (zh) | 2020-03-20 |
CN110895312B (zh) | 2021-12-28 |
US10890627B2 (en) | 2021-01-12 |
US20200064388A1 (en) | 2020-02-27 |
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