GB2588715A - Lighting interface circuit, controlling method and lighting equipment - Google Patents
Lighting interface circuit, controlling method and lighting equipment Download PDFInfo
- Publication number
- GB2588715A GB2588715A GB2016956.1A GB202016956A GB2588715A GB 2588715 A GB2588715 A GB 2588715A GB 202016956 A GB202016956 A GB 202016956A GB 2588715 A GB2588715 A GB 2588715A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current
- interface circuit
- lighting
- lighting interface
- port
- 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.)
- Granted
Links
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
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/25—Circuit arrangements for protecting against overcurrent
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
- H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A lighting interface circuit, preferably a DALI interface circuit, a controlling method and a lighting equipment. The lighting interface supply circuit includes: a current generator, configured to generate current; a control circuit, configured to enable or disable the current generator to generate the current; a current output port, configured to output the current; and a ground port, configured to connect to ground voltage, the control circuit is configured to disable the current generator, when the current output port and the ground port are short-circuited. Therefore, the power consumption of the lighting interface circuit is reduced.
Claims (9)
1. A lighting interface circuit, comprising: a current generator, configured to generate current; a control circuit, configured to enable or disable the current generator to generate the cur rent; a current output port, configured to output the current; and a ground port, configured to connect to ground voltage, the control circuit is configured to disable the current generator, when the current output port and the ground port are short-circuited.
2. The lighting interface circuit according to claim 1, wherein, the control circuit is further configured to enable the current generator to generate the current, when the current output port and the ground port are not short-circuited.
3. The lighting interface circuit according to claim 1, wherein, the control circuit comprises: a controller, configured to provide a first controlling signal; and a switch circuit, configured to enable or disable the current generator according to the fi rst controlling signal.
4. The lighting interface circuit according to claim 3, wherein, the switch circuit comprises an optical coupler.
5. The lighting interface circuit according to claim 3, wherein, the controller detects a signal which is formed based on the current or vo ltage outputted from the current output port, when voltage of the signal is lower than a first predetermined voltage, the controller switches off the switch circuit to disable the current gen erator.
6. The lighting interface circuit according to claim 5, wherein, when voltage of the signal is higher than a second predetermined voltage, the controller switches on the switch circuit to enable the current gener ator to generate the current.
7. A lighting equipment, comprises a driver, a lighting module, and the lighting interface circuit according to one of claims 1-6, wherein: the lighting interface circuit connects to the driver, the driver connects to the lighting module, and provides driving current to the lighting module.
8. A controlling method of a lighting interface circuit, the method comprises: generating current by a current generator that connects to a first voltage port; outputting the current by a current output port; and disabling the current generator, when the current output port and the ground port are short-circuited.
9. The method according to claim 8, wherein, the method further comprises: enabling the current generator to generate the current, when the current output port and the ground port are not short-circuited.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/088640 WO2019227272A1 (en) | 2018-05-28 | 2018-05-28 | Lighting interface circuit, controlling method and lighting equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB202016956D0 GB202016956D0 (en) | 2020-12-09 |
| GB2588715A true GB2588715A (en) | 2021-05-05 |
| GB2588715B GB2588715B (en) | 2022-05-25 |
Family
ID=68697179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2016956.1A Expired - Fee Related GB2588715B (en) | 2018-05-28 | 2018-05-28 | Lighting interface circuit, controlling method and lighting equipment |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2588715B (en) |
| WO (1) | WO2019227272A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201178507Y (en) * | 2008-04-14 | 2009-01-07 | 曹型勇 | Constant-current automatic light regulating electric source for LED traffic light |
| EP2068599A1 (en) * | 2007-12-03 | 2009-06-10 | Sirio Panel S.P.A. | Circuit arrangement for generating a pulse width modulated signal for driving electrical loads |
| CN104685968A (en) * | 2012-09-10 | 2015-06-03 | 埃尔多实验室控股有限公司 | LED fixture and LED lighting arrangement comprising such LED fixture |
| CN105282919A (en) * | 2014-06-19 | 2016-01-27 | 恩智浦有限公司 | Circuit and lighting unit for dimmable lighting applications |
| CN107770901A (en) * | 2016-08-17 | 2018-03-06 | 纬创资通股份有限公司 | Light emitting diode driving device and short-circuit protection method of driving device |
-
2018
- 2018-05-28 GB GB2016956.1A patent/GB2588715B/en not_active Expired - Fee Related
- 2018-05-28 WO PCT/CN2018/088640 patent/WO2019227272A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2068599A1 (en) * | 2007-12-03 | 2009-06-10 | Sirio Panel S.P.A. | Circuit arrangement for generating a pulse width modulated signal for driving electrical loads |
| CN201178507Y (en) * | 2008-04-14 | 2009-01-07 | 曹型勇 | Constant-current automatic light regulating electric source for LED traffic light |
| CN104685968A (en) * | 2012-09-10 | 2015-06-03 | 埃尔多实验室控股有限公司 | LED fixture and LED lighting arrangement comprising such LED fixture |
| CN105282919A (en) * | 2014-06-19 | 2016-01-27 | 恩智浦有限公司 | Circuit and lighting unit for dimmable lighting applications |
| CN107770901A (en) * | 2016-08-17 | 2018-03-06 | 纬创资通股份有限公司 | Light emitting diode driving device and short-circuit protection method of driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019227272A1 (en) | 2019-12-05 |
| GB2588715B (en) | 2022-05-25 |
| GB202016956D0 (en) | 2020-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20250528 |