JP6760102B2 - 点灯装置および照明器具 - Google Patents
点灯装置および照明器具 Download PDFInfo
- Publication number
- JP6760102B2 JP6760102B2 JP2017009372A JP2017009372A JP6760102B2 JP 6760102 B2 JP6760102 B2 JP 6760102B2 JP 2017009372 A JP2017009372 A JP 2017009372A JP 2017009372 A JP2017009372 A JP 2017009372A JP 6760102 B2 JP6760102 B2 JP 6760102B2
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- voltage
- control device
- inductor
- terminal
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Description
図1は、実施の形態1に係る照明器具100の回路ブロック図である。本実施の形態に係る照明器具100は、LEDモジュール11を備える。LEDモジュール11は、複数のLED11aを備える。LED11aは光源である。複数のLED11aは直列に接続される。LEDモジュール11が備えるLED11aの数は複数であれば良い。
Claims (3)
- 並列に接続された複数のスイッチング素子と、前記複数のスイッチング素子と直列に接続されたインダクタと、出力端に並列に接続されたコンデンサと、を備えたバックコンバータ回路と、
前記複数のスイッチング素子を順次オンオフして光源の点灯を制御する制御装置と、
を備え、
前記インダクタの2次巻き線は、前記制御装置に接続され、
前記制御装置は、前記複数のスイッチング素子の1つをオフした後に、前記2次巻き線の出力電圧が減少から増加に転じると、次のスイッチング素子をオンすることを特徴とする点灯装置。 - 前記制御装置は、前記光源を流れる電流が一定となるように、前記複数のスイッチング素子をオンオフすることを特徴とする請求項1に記載の点灯装置。
- 請求項1または2に記載の点灯装置と、
前記光源と、
を備えることを特徴とする照明器具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017009372A JP6760102B2 (ja) | 2017-01-23 | 2017-01-23 | 点灯装置および照明器具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017009372A JP6760102B2 (ja) | 2017-01-23 | 2017-01-23 | 点灯装置および照明器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018120661A JP2018120661A (ja) | 2018-08-02 |
JP6760102B2 true JP6760102B2 (ja) | 2020-09-23 |
Family
ID=63043944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017009372A Active JP6760102B2 (ja) | 2017-01-23 | 2017-01-23 | 点灯装置および照明器具 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6760102B2 (ja) |
-
2017
- 2017-01-23 JP JP2017009372A patent/JP6760102B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018120661A (ja) | 2018-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5981337B2 (ja) | 低コストの電力供給回路及び方法 | |
US9210749B2 (en) | Single switch driver device having LC filter for driving an LED unit | |
US8890441B2 (en) | Load driving device and LED lighting appliance therewith | |
US9131568B2 (en) | Light-emitting diode driving apparatus and semiconductor device | |
JP2013165630A (ja) | 照明用非接触給電システム、および照明器具 | |
JP6493725B2 (ja) | 点灯装置及び照明器具 | |
US9501077B2 (en) | Diode load driving power supply apparatus | |
US20150009728A1 (en) | Dc power supply circuit | |
JP2017070192A (ja) | スイッチング電源装置及びled点灯回路 | |
EP3560086B1 (en) | Synchronous converter | |
CN109309985B (zh) | 照明*** | |
US9723668B2 (en) | Switching converter and lighting device using the same | |
JP6527741B2 (ja) | Led点灯装置 | |
US10069398B2 (en) | Non-isolated power supply device | |
JP6760102B2 (ja) | 点灯装置および照明器具 | |
JP5854400B2 (ja) | 光源にパルス電力を供給するための変換器 | |
JP4433841B2 (ja) | スイッチング電源 | |
JP5495679B2 (ja) | 電源回路 | |
WO2013172259A1 (ja) | スイッチング電源回路、及びled照明装置 | |
WO2018235199A1 (ja) | 光源点灯装置、照明器具 | |
EP4199332A1 (en) | Programmable blanking for asynchronous driver break | |
JP6328394B2 (ja) | 調光用点灯装置 | |
CN118402168A (en) | Programmable blanking for asynchronous driver interrupts | |
JP6662641B2 (ja) | 非絶縁型昇圧スイッチング電源装置 | |
JP6472051B2 (ja) | スイッチング電源装置および電磁石電源システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190912 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200619 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200630 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200720 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200804 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200817 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6760102 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |