JP2020098142A - 地絡検出装置 - Google Patents
地絡検出装置 Download PDFInfo
- Publication number
- JP2020098142A JP2020098142A JP2018236247A JP2018236247A JP2020098142A JP 2020098142 A JP2020098142 A JP 2020098142A JP 2018236247 A JP2018236247 A JP 2018236247A JP 2018236247 A JP2018236247 A JP 2018236247A JP 2020098142 A JP2020098142 A JP 2020098142A
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- JP
- Japan
- Prior art keywords
- capacitor
- vcn
- vcp
- battery
- 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.)
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- 239000003990 capacitor Substances 0.000 claims abstract description 69
- 238000005259 measurement Methods 0.000 claims abstract description 45
- 238000009413 insulation Methods 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 101100136787 Rattus norvegicus Plaat5 gene Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2617—Measuring dielectric properties, e.g. constants
- G01R27/2623—Measuring-systems or electronic circuits
-
- 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
-
- 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
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- 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
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
Abstract
Description
ここで、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
131 c接点リレー
132 c接点リレー
520 昇圧器
540 負荷
Claims (2)
- 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充電経路と、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充電経路と、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充電経路と、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、
前記スイッチ群を制御し、前記V0充電経路における測定値であるV0、前記Vcn充電経路における測定値であるVcn、前記Vcp充電経路における測定値であるVcpに基づいて、前記絶縁抵抗を算出する制御部と、を備え、
前記制御部が、前記Vcnが0とみなせる場合に、前記コンデンサの充電状態を保ったまま前記Vcp充電経路に切り替えて測定を行ない、得られた測定値から前記コンデンサの放電後に得られたVcpを引くことでVcnを算出することを特徴とする地絡検出装置。 - 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に記載の地絡検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018236247A JP6918428B2 (ja) | 2018-12-18 | 2018-12-18 | 地絡検出装置 |
DE102019219349.8A DE102019219349A1 (de) | 2018-12-18 | 2019-12-11 | Erdschlusserfassungsvorrichtung |
US16/712,557 US11187759B2 (en) | 2018-12-18 | 2019-12-12 | Ground fault detection device |
CN201911309105.4A CN111337850B (zh) | 2018-12-18 | 2019-12-18 | 接地故障检测装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018236247A JP6918428B2 (ja) | 2018-12-18 | 2018-12-18 | 地絡検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020098142A true JP2020098142A (ja) | 2020-06-25 |
JP6918428B2 JP6918428B2 (ja) | 2021-08-11 |
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JP2018236247A Active JP6918428B2 (ja) | 2018-12-18 | 2018-12-18 | 地絡検出装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11187759B2 (ja) |
JP (1) | JP6918428B2 (ja) |
CN (1) | CN111337850B (ja) |
DE (1) | DE102019219349A1 (ja) |
Families Citing this family (2)
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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 (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011017586A (ja) * | 2009-07-08 | 2011-01-27 | Yazaki Corp | 絶縁状態検出装置 |
JP2015206784A (ja) * | 2014-04-09 | 2015-11-19 | 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 |
JP6698599B2 (ja) * | 2017-09-21 | 2020-05-27 | 矢崎総業株式会社 | 地絡検出装置 |
JP2020098141A (ja) * | 2018-12-18 | 2020-06-25 | 矢崎総業株式会社 | 地絡検出装置 |
JP6781212B2 (ja) * | 2018-08-23 | 2020-11-04 | 矢崎総業株式会社 | 地絡検出装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2010018959A2 (ko) * | 2008-08-11 | 2010-02-18 | 주식회사 엘지화학 | 배터리 누설전류 감지 장치 및 방법, 및 상기 장치를 포함하는 배터리 구동 장치 및 배터리 팩 |
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 |
JP5947584B2 (ja) * | 2012-03-27 | 2016-07-06 | 矢崎総業株式会社 | 絶縁状態検出装置 |
JP6063282B2 (ja) * | 2013-02-05 | 2017-01-18 | 矢崎総業株式会社 | 絶縁状態検出装置 |
JP6597409B2 (ja) * | 2016-03-04 | 2019-10-30 | トヨタ自動車株式会社 | 電圧検出装置 |
JP6391619B2 (ja) * | 2016-03-25 | 2018-09-19 | 株式会社デンソーテン | 劣化特定装置および劣化特定方法 |
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 |
JP2018146264A (ja) * | 2017-03-01 | 2018-09-20 | 矢崎総業株式会社 | 絶縁状態検出装置 |
JP6633585B2 (ja) * | 2017-10-04 | 2020-01-22 | 矢崎総業株式会社 | 地絡検出装置 |
JP6676026B2 (ja) * | 2017-11-01 | 2020-04-08 | 矢崎総業株式会社 | 地絡検出装置 |
JP6854750B2 (ja) * | 2017-12-25 | 2021-04-07 | 矢崎総業株式会社 | 地絡検出装置 |
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2018
- 2018-12-18 JP JP2018236247A patent/JP6918428B2/ja active Active
-
2019
- 2019-12-11 DE DE102019219349.8A patent/DE102019219349A1/de active Pending
- 2019-12-12 US US16/712,557 patent/US11187759B2/en active Active
- 2019-12-18 CN CN201911309105.4A patent/CN111337850B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011017586A (ja) * | 2009-07-08 | 2011-01-27 | Yazaki Corp | 絶縁状態検出装置 |
JP2015206784A (ja) * | 2014-04-09 | 2015-11-19 | 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 |
JP6698599B2 (ja) * | 2017-09-21 | 2020-05-27 | 矢崎総業株式会社 | 地絡検出装置 |
JP6781212B2 (ja) * | 2018-08-23 | 2020-11-04 | 矢崎総業株式会社 | 地絡検出装置 |
JP2020098141A (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 |
---|---|
CN111337850B (zh) | 2022-05-13 |
CN111337850A (zh) | 2020-06-26 |
DE102019219349A1 (de) | 2020-06-18 |
US20200191881A1 (en) | 2020-06-18 |
JP6918428B2 (ja) | 2021-08-11 |
US11187759B2 (en) | 2021-11-30 |
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