JP6252641B1 - 電子装置 - Google Patents
電子装置 Download PDFInfo
- Publication number
- JP6252641B1 JP6252641B1 JP2016186880A JP2016186880A JP6252641B1 JP 6252641 B1 JP6252641 B1 JP 6252641B1 JP 2016186880 A JP2016186880 A JP 2016186880A JP 2016186880 A JP2016186880 A JP 2016186880A JP 6252641 B1 JP6252641 B1 JP 6252641B1
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- JP
- Japan
- Prior art keywords
- varistor
- circuit
- power supply
- capacitance
- noise
- 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 description 53
- 230000001629 suppression Effects 0.000 description 21
- 230000002265 prevention Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004088 simulation Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- 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
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
-
- 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
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/062—Avoiding or suppressing excessive transient voltages or currents
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
図1は、実施の形態1に係る照明装置の回路ブロック図である。本実施の形態に係る照明装置100は、電源ユニット10と光源部20を備える。光源部20は直列に接続された複数の光源21を備える。光源21はLEDである。電源ユニット10は、入力部CN1を備える。入力部CN1は一対の入力端子を備える。一対の入力端子は外部電源である交流電源ACから電源供給を受ける。また、電源ユニット10はアース端子19を備える。アース端子19はアースと接続される。
Claims (8)
- 電源ユニットと、
負荷と、
を備え、
前記電源ユニットは、
交流電源から電源供給を受ける入力部と、
アース端子と、
前記入力部に接続された整流回路と、
前記整流回路の直流出力に接続され、前記負荷に電力を供給する回路部と、
前記入力部と前記整流回路との間において、一端が前記整流回路の一方の入力端と接続された第1バリスタと、
前記入力部と前記整流回路との間において、一端が前記整流回路の他方の入力端と接続され、他端が前記第1バリスタの他端と接続された第2バリスタと、
一端が前記第2バリスタの他端と接続され、他端が前記アース端子に接続されたアレスタと、
を備え、
前記第1バリスタと、前記第2バリスタの各々の静電容量は、前記電源ユニットと前記負荷の対地容量の和の40%以上であることを特徴とする電子装置。 - 前記第1バリスタと、前記第2バリスタの各々の静電容量は、200pF以上であることを特徴とする請求項1に記載の電子装置。
- 前記回路部は、スイッチ素子と、ダイオードと、を備え、
前記対地容量の和は、前記スイッチ素子と、前記ダイオードと、前記負荷の対地容量の和であることを特徴とする請求項1または2に記載の電子装置。 - 前記第1バリスタおよび前記第2バリスタと、前記入力部との間に接続されたノイズフィルタ回路を備えることを特徴とする請求項1〜3の何れか1項に記載の電子装置。
- 前記第1バリスタおよび前記第2バリスタと、前記整流回路との間に接続されたノイズフィルタ回路を備えることを特徴とする請求項1〜3の何れか1項に記載の電子装置。
- 前記ノイズフィルタ回路はコイルを備えることを特徴とする請求項4または5に記載の電子装置。
- 前記アレスタと並列に接続され、静電容量が前記第1バリスタと前記第2バリスタの各々の静電容量以上である第1コンデンサを備えることを特徴とする請求項1〜6の何れか1項に記載の電子装置。
- 前記負荷は光源であり、
前記電子装置は照明装置であることを特徴とする請求項1〜7の何れか1項に記載の電子装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016186880A JP6252641B1 (ja) | 2016-09-26 | 2016-09-26 | 電子装置 |
DE112017004800.1T DE112017004800T5 (de) | 2016-09-26 | 2017-09-21 | Elektronische vorrichtung |
US16/334,182 US10938205B2 (en) | 2016-09-26 | 2017-09-21 | Electronic device |
PCT/JP2017/034125 WO2018056364A1 (ja) | 2016-09-26 | 2017-09-21 | 電子装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016186880A JP6252641B1 (ja) | 2016-09-26 | 2016-09-26 | 電子装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017228948A Division JP6558423B2 (ja) | 2017-11-29 | 2017-11-29 | 電子装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6252641B1 true JP6252641B1 (ja) | 2017-12-27 |
JP2018057069A JP2018057069A (ja) | 2018-04-05 |
Family
ID=60860080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016186880A Active JP6252641B1 (ja) | 2016-09-26 | 2016-09-26 | 電子装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10938205B2 (ja) |
JP (1) | JP6252641B1 (ja) |
DE (1) | DE112017004800T5 (ja) |
WO (1) | WO2018056364A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201924215A (zh) * | 2017-11-17 | 2019-06-16 | 和碩聯合科技股份有限公司 | 濾波電路 |
US11075515B2 (en) * | 2018-06-05 | 2021-07-27 | Nuvolta Technologies (Hefei) Co., Ltd. | Overvoltage protection device and method thereof |
WO2020036829A2 (en) * | 2018-08-13 | 2020-02-20 | The Vollrath Company, L.L.C. | Ac controlled relay drive circuit |
GB2610732A (en) * | 2020-06-08 | 2023-03-15 | Tridonic Gmbh & Co Kg | Active surge suppression circuit, active surge suppression method, power supply and LED driver |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05308721A (ja) * | 1992-04-30 | 1993-11-19 | Ricoh Co Ltd | 直流電源装置 |
JPH0739136A (ja) * | 1993-07-19 | 1995-02-07 | Ricoh Co Ltd | 電子機器用電源装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63149152U (ja) | 1987-03-19 | 1988-09-30 | ||
CA2029291A1 (en) * | 1990-11-05 | 1992-05-06 | Wilfred Frey | Communication line filter |
US5625521A (en) * | 1994-07-22 | 1997-04-29 | Pacusma Co.,Ltd. | Surge protection circuitry |
US5825137A (en) * | 1995-06-07 | 1998-10-20 | Titus; Charles H. | Electronic ballasts for plural lamp fluorescent lighting without feedback circuitry |
JP3253003B2 (ja) | 1996-01-08 | 2002-02-04 | 日本電信電話株式会社 | 雷防護アダプタ |
US5761021A (en) * | 1996-08-16 | 1998-06-02 | Yu; Jeff | Voltage surge suppression device |
DE19942023A1 (de) * | 1999-09-03 | 2001-03-08 | Moeller Gmbh | Schaltungsanordnung für den Überspannungsschutz eines Leistungstransistors zur Steuerung einer induktiven Last |
DE102004059455A1 (de) * | 2004-12-09 | 2006-06-22 | Puls Gmbh | Schaltungsanordnung zur Überspannungserkennung und Verfahren zum Betrieb der Schaltungsanordnung |
US8680827B2 (en) * | 2007-06-04 | 2014-03-25 | Canon Kabushiki Kaisha | High-voltage power supply apparatus and image forming apparatus employing same |
JP5158582B2 (ja) * | 2007-07-31 | 2013-03-06 | 株式会社ネットコムセック | 電源装置及び高周波回路システム |
US8531811B2 (en) * | 2010-06-08 | 2013-09-10 | Schneider Electric USA, Inc. | Clamping control circuit for hybrid surge protection devices |
JP4687826B2 (ja) | 2010-07-22 | 2011-05-25 | パナソニック電工株式会社 | 電源別置型のled点灯装置 |
JP5942314B2 (ja) * | 2011-02-22 | 2016-06-29 | パナソニックIpマネジメント株式会社 | 点灯装置および、これを用いた照明器具 |
US9444247B2 (en) * | 2011-05-17 | 2016-09-13 | Samsung Electronics Co., Ltd. | Apparatus and method of protecting power receiver of wireless power transmission system |
EP3031301B1 (en) | 2013-11-04 | 2017-04-05 | Philips Lighting Holding B.V. | Surge-protection arrangement |
US9748764B2 (en) * | 2015-01-06 | 2017-08-29 | Hubbell Incorporated | Surge protective devices |
-
2016
- 2016-09-26 JP JP2016186880A patent/JP6252641B1/ja active Active
-
2017
- 2017-09-21 WO PCT/JP2017/034125 patent/WO2018056364A1/ja active Application Filing
- 2017-09-21 DE DE112017004800.1T patent/DE112017004800T5/de active Pending
- 2017-09-21 US US16/334,182 patent/US10938205B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05308721A (ja) * | 1992-04-30 | 1993-11-19 | Ricoh Co Ltd | 直流電源装置 |
JPH0739136A (ja) * | 1993-07-19 | 1995-02-07 | Ricoh Co Ltd | 電子機器用電源装置 |
Also Published As
Publication number | Publication date |
---|---|
DE112017004800T5 (de) | 2019-06-27 |
JP2018057069A (ja) | 2018-04-05 |
US10938205B2 (en) | 2021-03-02 |
US20200028358A1 (en) | 2020-01-23 |
WO2018056364A1 (ja) | 2018-03-29 |
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