JP2012147655A5 - - Google Patents
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- JP2012147655A5 JP2012147655A5 JP2011275229A JP2011275229A JP2012147655A5 JP 2012147655 A5 JP2012147655 A5 JP 2012147655A5 JP 2011275229 A JP2011275229 A JP 2011275229A JP 2011275229 A JP2011275229 A JP 2011275229A JP 2012147655 A5 JP2012147655 A5 JP 2012147655A5
- Authority
- JP
- Japan
- Prior art keywords
- switching device
- switching
- load
- switching circuit
- circuit according
- 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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Claims (14)
前記負荷への電力をスイッチオンおよびスイッチオフするための少なくとも1つのスイッチングデバイスと、
前記負荷を短絡し、それにより前記負荷を前記電圧源から隔離するためのプルダウンデバイスと、
前記少なくとも1つのスイッチングデバイスのうちの少なくとも1つを起動するために、前記負荷が短絡されている間に動作させることができるコントローラと、
を備え、
起動された前記スイッチングデバイスを通って電流が流れ、前記電流を測定して、起動された前記スイッチングデバイスが適切に動作しているかどうかを試験することができ、
前記プルダウンデバイスのインピーダンスが、前記少なくとも1つのスイッチングデバイスのインピーダンスより小さい、
スイッチング回路。 A switching circuit for connecting to a load and a voltage source,
At least one switching device for switching on and off power to the load;
A pull-down device for shorting the load, thereby isolating the load from the voltage source;
A controller that can be operated while the load is shorted to activate at least one of the at least one switching device;
With
A current flows through the activated switching device and the current can be measured to test whether the activated switching device is operating properly;
The impedance of the pull-down device is less than the impedance of the at least one switching device;
Switching circuit.
プルダウンデバイスを起動することによって前記負荷を短絡するステップと、
前記少なくとも1つのスイッチングデバイスのうちの1つを起動するステップと、
起動された前記少なくとも1つのスイッチングデバイスを通って流れる電流を測定するステップと、
測定された電流から、起動された少なくとも1つのスイッチングデバイスが適切に動作しているかどうかを決定するステップと、
を含み、
前記プルダウンデバイスのインピーダンスが、前記少なくとも1つのスイッチングデバイスのインピーダンスより小さい、
方法。 A method for testing a switching circuit for connecting a load to a voltage source, comprising at least one switching device comprising:
Shorting the load by activating a pull-down device;
Activating one of the at least one switching device;
Measuring the current flowing through the activated at least one switching device;
Determining from the measured current whether the activated at least one switching device is operating properly;
Including
The impedance of the pull-down device is less than the impedance of the at least one switching device;
Method.
14. A method according to any of claims 11 to 13, further comprising the step of limiting current flowing through the at least one switching device.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1021453.4 | 2010-12-17 | ||
GB1021453.4A GB2486493B (en) | 2010-12-17 | 2010-12-17 | Switching circuits and methods of testing |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012147655A JP2012147655A (en) | 2012-08-02 |
JP2012147655A5 true JP2012147655A5 (en) | 2015-01-29 |
JP6018377B2 JP6018377B2 (en) | 2016-11-02 |
Family
ID=43598572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011275229A Expired - Fee Related JP6018377B2 (en) | 2010-12-17 | 2011-12-16 | Switching circuit and test method |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP6018377B2 (en) |
CN (1) | CN102608526B (en) |
BR (1) | BRPI1105402A2 (en) |
CA (1) | CA2762475C (en) |
DE (1) | DE102011056541B4 (en) |
FR (1) | FR2969427B1 (en) |
GB (1) | GB2486493B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5983171B2 (en) * | 2012-08-10 | 2016-08-31 | 株式会社Gsユアサ | Switch failure diagnosis device, power storage device |
US8891218B2 (en) * | 2012-10-12 | 2014-11-18 | The Boeing Company | Fault tolerant fail-safe link |
CN103310853B (en) * | 2013-05-24 | 2016-02-24 | 南京航空航天大学 | A kind of power switch circuit with built-in self-test |
EP3384513B1 (en) * | 2015-12-18 | 2024-02-07 | Pepperl+Fuchs SE | Methods and apparatuses for monitoring the functionality of redundantly interconnected contacts |
US10270241B2 (en) * | 2016-05-16 | 2019-04-23 | Varian Semiconductor Equipment Associates, Inc. | Fault current limiter having fault checking system for power electronics and bypass circuit |
US10340908B2 (en) * | 2016-07-25 | 2019-07-02 | Continental Automotive Systems, Inc. | Half-bridge driver fault diagnostic system and method |
GB2563069B (en) | 2017-06-02 | 2020-07-01 | Ge Aviat Systems Ltd | Apparatus to detect a fault in a wire |
CN108051737B (en) * | 2017-12-04 | 2019-12-06 | 华北电力大学 | switch device screening system and method |
US10886728B2 (en) | 2018-07-12 | 2021-01-05 | Ovh | Circuit implementing an AC smart fuse for a power distribution unit |
EP3629039B1 (en) | 2018-09-26 | 2023-04-05 | Aptiv Technologies Limited | Solid state power switch device |
CN109828169A (en) * | 2019-02-01 | 2019-05-31 | 中国矿业大学(北京) | Electric fireproof current-limiting protector electric performance test method, apparatus and system |
CN110187269B (en) * | 2019-06-21 | 2024-03-29 | 江苏伊施德创新科技有限公司 | Method and device for reducing energy consumption in relay full-load test |
EP3767316B1 (en) * | 2019-07-19 | 2022-03-30 | Yazaki Corporation | Switch failure detection device |
CN112255537B (en) * | 2020-10-13 | 2022-03-25 | 南京大学 | Gallium nitride triode switch test circuit and test method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752886A (en) | 1985-07-22 | 1988-06-21 | General Electric Company | Method for on-line testing of load control circuitry and the associated load |
JPS6291587U (en) * | 1985-11-28 | 1987-06-11 | ||
US6304189B1 (en) * | 1997-08-22 | 2001-10-16 | Robert Bosch Gmbh | Method for detecting malfunctions of a first relay |
DE10127233C1 (en) * | 2001-05-22 | 2002-11-28 | Pilz Gmbh & Co | Safety cut-out switch module for electrical load has 2 alternate load current paths for supplying electrical load each containing 2 series switch elements |
US6593758B2 (en) * | 2001-08-02 | 2003-07-15 | Honeywell International Inc. | Built-in test system for aircraft indication switches |
JP2003274636A (en) * | 2002-03-15 | 2003-09-26 | Omron Corp | Solid state relay |
US7885043B2 (en) * | 2007-06-15 | 2011-02-08 | General Electric Company | Remote-operable micro-electromechanical system based over-current protection apparatus |
US7586725B2 (en) | 2007-07-19 | 2009-09-08 | Honeywell International Inc. | Method of providing a secondary means of overload protection and leakage current protection in applications using solid state power controllers |
US7554222B2 (en) * | 2007-11-01 | 2009-06-30 | General Electric Company | Micro-electromechanical system based switching |
JP5300059B2 (en) * | 2009-02-13 | 2013-09-25 | エヌイーシーコンピュータテクノ株式会社 | Power supply system, diagnosis method and program thereof |
US8350414B2 (en) * | 2010-08-11 | 2013-01-08 | Xantrex Technology Inc. | Semiconductor assisted DC load break contactor |
-
2010
- 2010-12-17 GB GB1021453.4A patent/GB2486493B/en active Active
-
2011
- 2011-12-15 FR FR1161734A patent/FR2969427B1/en active Active
- 2011-12-15 CA CA2762475A patent/CA2762475C/en not_active Expired - Fee Related
- 2011-12-16 CN CN201110463075.XA patent/CN102608526B/en active Active
- 2011-12-16 BR BRPI1105402-6A patent/BRPI1105402A2/en active Search and Examination
- 2011-12-16 DE DE102011056541.8A patent/DE102011056541B4/en active Active
- 2011-12-16 JP JP2011275229A patent/JP6018377B2/en not_active Expired - Fee Related
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