CN108617057A - Variable angle led lighting devices - Google Patents
Variable angle led lighting devices Download PDFInfo
- Publication number
- CN108617057A CN108617057A CN201810647285.6A CN201810647285A CN108617057A CN 108617057 A CN108617057 A CN 108617057A CN 201810647285 A CN201810647285 A CN 201810647285A CN 108617057 A CN108617057 A CN 108617057A
- Authority
- CN
- China
- Prior art keywords
- brightness
- led light
- led
- variable angle
- lighting devices
- 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.)
- Pending
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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]
Abstract
Variable angle led lighting devices, the present invention relates to LED light device technical fields, are related specifically to a kind of variable angle led lighting devices.The present invention can bring following advantageous effect:By carrying out unified current control in supply unit side, allow for the brightness of each LED light device becomes equal respectively for each degree of dimming, thus can need not be in supply unit side communication function, complicated dimming function.
Description
Technical field
The present invention relates to LED light device technical fields, are related specifically to a kind of variable angle led lighting devices.
Background technology
Due to the nonlinear characteristic of LED illumination lamp, the brightness of LED illumination lamp cannot be by the way of adjusting voltage come real
It is existing.
When using brightness of the controllable constant-current source to adjust LED illumination lamp, the change of operating current can bring LED illumination lamp
Chromatography deviates, meanwhile, LED illumination lamp load current also becomes very low under low-light level, can make the reduction of controllable constant-current source efficiency and temperature
It rises and increases, the power consumption being lost on driving chip is bigger, to damage the service life of constant-current source and LED light source.
LED illumination lamp brightness is controlled using PWM (pulsewidth modulation) dimming mode, to avoid voltage regulating mode and electric current side can be adjusted
The problem of formula is brought.There are three types of currently used LED illumination lamp light-dimming methods:
First, using remote control control.LED illumination lamp control circuit is equipped with remote controler reception device, can pass through remote controler
Grade light modulation either stepless dimming is carried out to LED illumination lamp, the disadvantage is that a LED illumination lamp needs to be equipped with a remote control
Device causes remote controler quantity more, management trouble, and cost is also higher.
Second is that using digital control technology.For example, using DALI (lighting interface of digital address) technology, DALI systems
Software can be separately addressed to the single or multiple LED illumination lamps on same forceful electric power circuit or different circuit, pass through DALI
System software accurately dim and switch controlling to single lamp or arbitrary lamp group.The program is technologically advanced, but cost is very high,
System is in addition to needing to lay power line, it is also necessary to lay control line.
Therefore there is an urgent need for a kind of novel technical solutions to solve the problems, such as this in the prior art.
Invention content
The technical problem to be solved by the present invention is to:A kind of variable angle led lighting devices are provided, only by supply unit
Side carries out unified current control, allows for the brightness of each LED light device and becomes equal respectively for each degree of dimming, and not
Need the communication function of supply unit side, complicated dimming function.
Variable angle led lighting devices,
Equivalent electric current is supplied respectively to multiple LED light devices and measures its brightness respectively,
The ratio is set separately so that the brightness of each LED light device is equal to each other;
Judge that brightness increase or brightness reduce whether control signal is effective, and specific method is that LED illumination lamp brightness increases
When controlling signal high-level pulse width less than 9.5ms, it is effective that brightness increases control signal;LED illumination lamp brightness reduces control
When signal high-level pulse width is less than 9.5ms, it is effective that brightness reduces control signal.
The minimum LED light device of brightness is extracted, the ratio is set separately for other LED light devices, so that
Brightness and the brightness when the electric current equal with the electric current flowed through in the LED light device that the brightness is minimum flows through is minimum
LED light device is equal.
By above-mentioned design scheme, the present invention can bring following advantageous effect:By carrying out unification in supply unit side
Current control, allow for the brightness of each LED light device becomes equal respectively for each degree of dimming, therefore can need not be
The communication function of supply unit side, complicated dimming function.
Specific implementation mode
Variable angle led lighting devices,
Equivalent electric current is supplied respectively to multiple LED light devices and measures its brightness respectively,
The ratio is set separately so that the brightness of each LED light device is equal to each other;
Judge that brightness increase or brightness reduce whether control signal is effective, and specific method is that LED illumination lamp brightness increases
When controlling signal high-level pulse width less than 9.5ms, it is effective that brightness increases control signal;LED illumination lamp brightness reduces control
When signal high-level pulse width is less than 9.5ms, it is effective that brightness reduces control signal.
The minimum LED light device of brightness is extracted, the ratio is set separately for other LED light devices, so that
Brightness and the brightness when the electric current equal with the electric current flowed through in the LED light device that the brightness is minimum flows through is minimum
LED light device is equal.
Claims (2)
1. variable angle led lighting devices, it is characterised in that:
Equivalent electric current is supplied respectively to multiple LED light devices and measures its brightness respectively,
The ratio is set separately so that the brightness of each LED light device is equal to each other;
Judge that brightness increase or brightness reduce whether control signal is effective, and specific method is that LED illumination lamp brightness increases control
When signal high-level pulse width is less than 9.5ms, it is effective that brightness increases control signal;LED illumination lamp brightness reduces control signal
When high-level pulse width is less than 9.5ms, it is effective that brightness reduces control signal.
2. variable angle led lighting devices as described in claim 1, which is characterized in that
Extract the minimum LED light device of brightness, the ratio be set separately for other LED light devices so that with
Brightness when the equal electric current of the electric current that is flowed through in the minimum LED light device of the brightness flows through and the minimum LED of the brightness
Lighting device is equal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810647285.6A CN108617057A (en) | 2018-06-22 | 2018-06-22 | Variable angle led lighting devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810647285.6A CN108617057A (en) | 2018-06-22 | 2018-06-22 | Variable angle led lighting devices |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108617057A true CN108617057A (en) | 2018-10-02 |
Family
ID=63665442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810647285.6A Pending CN108617057A (en) | 2018-06-22 | 2018-06-22 | Variable angle led lighting devices |
Country Status (1)
Country | Link |
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CN (1) | CN108617057A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010198943A (en) * | 2009-02-26 | 2010-09-09 | Eiji Kino | Led lighting system using conduction angle control-type and voltage variable-type dimmer for dimming light |
CN103281849A (en) * | 2013-06-26 | 2013-09-04 | 湖南工业大学 | Light-adjusting device and method of LED illuminating lamp |
CN203340364U (en) * | 2013-06-26 | 2013-12-11 | 湖南工业大学 | LED illuminating lamp light modulation device |
CN107852802A (en) * | 2015-07-29 | 2018-03-27 | Ccs株式会社 | The luminance regulating method of LED illumination System, LED light device and LED light device |
-
2018
- 2018-06-22 CN CN201810647285.6A patent/CN108617057A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010198943A (en) * | 2009-02-26 | 2010-09-09 | Eiji Kino | Led lighting system using conduction angle control-type and voltage variable-type dimmer for dimming light |
CN103281849A (en) * | 2013-06-26 | 2013-09-04 | 湖南工业大学 | Light-adjusting device and method of LED illuminating lamp |
CN203340364U (en) * | 2013-06-26 | 2013-12-11 | 湖南工业大学 | LED illuminating lamp light modulation device |
CN107852802A (en) * | 2015-07-29 | 2018-03-27 | Ccs株式会社 | The luminance regulating method of LED illumination System, LED light device and LED light device |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181002 |