KR20070049561A - 부하구동장치 - Google Patents
부하구동장치 Download PDFInfo
- Publication number
- KR20070049561A KR20070049561A KR1020060107868A KR20060107868A KR20070049561A KR 20070049561 A KR20070049561 A KR 20070049561A KR 1020060107868 A KR1020060107868 A KR 1020060107868A KR 20060107868 A KR20060107868 A KR 20060107868A KR 20070049561 A KR20070049561 A KR 20070049561A
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- unit
- overcurrent
- diagnostic
- determination
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
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- 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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
- H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks to inrush currents
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
- Power Conversion In General (AREA)
Abstract
Description
Claims (7)
- 구동회로의 제어하에서 반도체장치의 온/오프 스위칭을 통해 부하의 구동 및 정지를 제어하는 부하구동장치에 있어서,상기 반도체장치의 제1전극과 제2전극 사이에 전류가 흐를 때 발생하는 전극간 전압을 규정된 판정전압과 비교하고, 전극간 전압이 판정전압 보다 높을 때 반도체장치를 통해 과전류가 흐른다고 판정하는 과전류 검출유닛; 및반도체장치가 온-상태에 있는 상태에서 과전류 검출유닛이 정상적으로 동작하는지 여부에 관한 진단을 수행하는 진단유닛을 포함하고;상기 과전류 검출유닛이 정상적으로 동작하지 않는다고 진단유닛이 판정하면, 판정유닛은 반도체장치를 턴오프하는 명령신호를 구동회로에 출력하는 것을 특징으로 하는 부하구동장치.
- 제1항에 있어서, 과전류 검출유닛은 전극간 전압을 판정전압과 비교하는 비교유닛을 포함하고,정상전류가 부하를 통해 흐를 때 얻는 반도체장치의 전극간 전압 보다 작은 진단 판정전압으로 판정전압을 변경시키기 위하여 진단유닛이 스위칭하고, 또한 전극간 전압이 진단 판정전압보다 낮거나 또는 동일하다고 비교유닛이 판정하면 과전류 검출유닛에서 비정상상태가 발생하였다는 것을 진단유닛이 판정하는 것을 특징으로 하는 부하구동장치.
- 제1항에 있어서, 과전류 검출유닛은 전극간 전압과 판정전압을 비교하는 비교유닛을 포함하고,진단유닛이 과전류 검출유닛의 진단을 수행하면, 진단유닛은 전극간 전압에 규정된 전압을 부가함으로써 부가전압을 발생하고, 비교유닛은 전극간 전압 대신에 상기 부가전압을 판정전압과 비교하고,상기 부가전압이 판정전압보다 낮거나 또는 동일하다고 상기 비교유닛이 판정하면 상기 진단유닛은 상기 과전류 검출유닛에서 비정상상태가 발생하였다고 판정하는 것을 특징으로 하는 부하구동장치.
- 제1항에 있어서, 과전류 검출유닛은 전극간 전압과 판정전압을 비교하는 비교유닛을 포함하고,진단유닛이 과전류 검출유닛의 진단을 수행하면, 정상전류가 부하를 통해 흐를 때 얻는 반도체장치의 전극간 전압보다 작은 진단 판정전압으로 판정전압을 변경시키기 위해 진단유닛이 스위칭하고 또한 전극간 전압에 규정된 전압을 부가함으로써 부가전압을 발생시키고, 비교유닛은 전극간 전압 대신에 상기 부가전압을 진단 판정전압과 비교를 하며,부가전압이 진단 판정전압보다 낮거나 또는 동일하다고 비교유닛이 판정하면 진단유닛은 비정상상태가 과전류 검출유닛에서 발생하였다고 판정하는 것을 특징으로 하는 부하구동장치.
- 제2항에 있어서, 진단상태를 배제한 정상상태에서 전극간 전압이 판정전압보다 높다고 비교유닛이 판정하면 과전류 검출하는 기능을 과전류 검출유닛이 가지고,과전류 검출유닛은, 진단유닛이 과전류 검출유닛을 진단하는 동안 비교유닛의 출력을 근거로 과전류를 검출하는 기능을 불능으로 하는 금지유닛을 포함하는 것을 특징으로 하는 부하구동장치.
- 제3항에 있어서, 진단상태를 배제한 정상상태에서 전극간 전압이 판정전압보다 높다고 비교유닛이 판정하면 과전류 검출하는 기능을 과전류 검출유닛이 가지고,과전류 검출유닛은, 진단유닛이 과전류 검출유닛을 진단하는 동안 비교유닛의 출력을 근거로 과전류를 검출하는 기능을 불능으로 하는 금지유닛을 포함하는 것을 특징으로 하는 부하구동장치.
- 제4항에 있어서, 진단상태를 배제한 정상상태에서 전극간 전압이 판정전압보다 높다고 비교유닛이 판정하면 과전류 검출하는 기능을 과전류 검출유닛이 가지고,과전류 검출유닛은, 진단유닛이 과전류 검출유닛을 진단하는 동안 비교유닛의 출력을 근거로 과전류를 검출하는 기능을 불능으로 하는 금지유닛을 포함하는 것을 특징으로 하는 부하구동장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005323439A JP4643419B2 (ja) | 2005-11-08 | 2005-11-08 | 自己診断機能を備えた負荷駆動装置 |
JPJP-P-2005-00323439 | 2005-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070049561A true KR20070049561A (ko) | 2007-05-11 |
KR100843366B1 KR100843366B1 (ko) | 2008-07-02 |
Family
ID=37835982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060107868A KR100843366B1 (ko) | 2005-11-08 | 2006-11-02 | 부하구동장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7457089B2 (ko) |
EP (1) | EP1783886A3 (ko) |
JP (1) | JP4643419B2 (ko) |
KR (1) | KR100843366B1 (ko) |
CN (1) | CN1964191A (ko) |
Cited By (1)
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CN111952933A (zh) * | 2019-05-15 | 2020-11-17 | 株式会社电装 | 驱动电路 |
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JP5171406B2 (ja) * | 2008-06-05 | 2013-03-27 | 矢崎総業株式会社 | 負荷回路の過電流保護装置 |
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JP2010158109A (ja) * | 2008-12-26 | 2010-07-15 | Yazaki Corp | 負荷回路の保護装置 |
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JP5146786B2 (ja) * | 2010-09-24 | 2013-02-20 | 株式会社デンソー | 電子装置 |
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JP6092638B2 (ja) | 2013-01-23 | 2017-03-08 | 矢崎総業株式会社 | 車両用電源制御装置 |
WO2015079842A1 (ja) * | 2013-11-29 | 2015-06-04 | 日立オートモティブシステムズ株式会社 | 負荷駆動回路 |
JP6230397B2 (ja) | 2013-12-11 | 2017-11-15 | 新電元工業株式会社 | 故障検知装置およびそのプログラム |
US10078104B2 (en) * | 2014-02-06 | 2018-09-18 | Hitachi Automotive Systems, Ltd. | Load drive circuit |
JP6311357B2 (ja) | 2014-03-05 | 2018-04-18 | 株式会社オートネットワーク技術研究所 | 防止装置 |
JP6260552B2 (ja) * | 2015-02-26 | 2018-01-17 | 株式会社オートネットワーク技術研究所 | 電力供給装置 |
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JP6506644B2 (ja) * | 2015-07-09 | 2019-04-24 | 日立オートモティブシステムズ株式会社 | 駆動装置 |
JP6635439B2 (ja) | 2016-02-05 | 2020-01-29 | 大島俊蔵 | 電源装置 |
JP6610446B2 (ja) | 2016-06-21 | 2019-11-27 | 株式会社オートネットワーク技術研究所 | 給電制御装置 |
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2005
- 2005-11-08 JP JP2005323439A patent/JP4643419B2/ja not_active Expired - Fee Related
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2006
- 2006-11-02 KR KR1020060107868A patent/KR100843366B1/ko active IP Right Grant
- 2006-11-06 US US11/593,020 patent/US7457089B2/en not_active Expired - Fee Related
- 2006-11-07 EP EP06023146A patent/EP1783886A3/en not_active Withdrawn
- 2006-11-07 CN CNA2006101439435A patent/CN1964191A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111952933A (zh) * | 2019-05-15 | 2020-11-17 | 株式会社电装 | 驱动电路 |
CN111952933B (zh) * | 2019-05-15 | 2023-10-24 | 株式会社电装 | 驱动电路 |
Also Published As
Publication number | Publication date |
---|---|
US7457089B2 (en) | 2008-11-25 |
EP1783886A2 (en) | 2007-05-09 |
CN1964191A (zh) | 2007-05-16 |
US20070103832A1 (en) | 2007-05-10 |
KR100843366B1 (ko) | 2008-07-02 |
EP1783886A3 (en) | 2010-09-15 |
JP4643419B2 (ja) | 2011-03-02 |
JP2007134780A (ja) | 2007-05-31 |
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