CN101307888A - LED searchlight - Google Patents
LED searchlight Download PDFInfo
- Publication number
- CN101307888A CN101307888A CNA2007100777585A CN200710077758A CN101307888A CN 101307888 A CN101307888 A CN 101307888A CN A2007100777585 A CNA2007100777585 A CN A2007100777585A CN 200710077758 A CN200710077758 A CN 200710077758A CN 101307888 A CN101307888 A CN 101307888A
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- led
- controller
- searchlight
- power
- search light
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Abstract
The prior LED search light has a low utilization level of electric energy. The invention relates to an LED search light which is provided with an LED and a controller, wherein, the controller provides synchronous alternative power supply and cutoff for the LED at a frequency of more than or equal to 24Hz/S. The invention makes full use of the improvement of the light intensity of the LED by the current pulse and solves the problem of low electric energy utilization level of the prior search light, and the brightness of the search light is improved to a degree, thereby obtaining a good application effect.
Description
Technical field
The present invention relates to a kind of lighting source, especially make the searchlight of illuminator of LED.
Background technology
Existing searchlight has used LED's, and this is that many LED are combined as a searchlight, and the power supply mode of these LED is continuous power supply.This power supply mode of searchlight is not utilized human eye that light is had " peak detector " usefulness and is taked corresponding measure to improve lamplight brightness, thereby utilizes level not high to electric energy.
Summary of the invention
In order to solve the existing searchlight problem not high to the utilization rate of electric energy, the invention provides a kind of LED searchlight, can solve the existing searchlight problem not high with this LED searchlight to the utilization rate of electric energy.
The present invention solves the technical scheme that its problem takes:
In a LED searchlight, be provided with one tunnel (only) LED and a controller or multichannel (only) LED arranged and a controller.Power circuit, signal circuit, power control circuit are arranged in the controller, and the control electrode of described power control circuit is connected with described LED.
Described controller carries out synchronous interleaved power and ends described LED.To described LED interleaved power and the frequency 〉=24Hz/S that ends.
No more than 12 the tunnel by the described LED of described power control circuit control, no more than 600.
The corresponding optical reflector of curved surface of each described LED.
When described LED operating voltage was lower than supply voltage, it was described LED power supply that step-down transformer can be set in power circuit.
The action principle of LED searchlight of the present invention is:
Human eye has " peak detector " usefulness to the strong and weak degree of light.There are some researches show: the LED that surpasses the pulsating direct current driving of certain value compares with the LED of the continuous DC driven of value brighter in human eye, superbright reaches 30% (" led drive circuit design and application " 122-123 page or leaf, People's Telecon Publishing House's in December, 2006 version) under certain conditions.Human eye also has the persistence of vision effect to light, though the persistence of vision time less than 0.1 second, the light of flicker frequency 〉=24Hz/S in human eye perceives less than its flicker.Can to show as " continuously " to human eye luminous as suitable hour LED of the value break time of electric current.
Now utilize the controller that is arranged in the lamp, synchronously (or the in turn) interleaved power that the rated current of this multichannel (only) LED in the lamp is carried out frequency 〉=24Hz/S with end, it is luminous that this multichannel (only) LED synchronous (or in turn) is undertaken by frequency 〉=24Hz/S, and this feels it is that this multichannel (only) LED is luminous continuously at the same time to human eye.Total brightness when this multichannel of the brightness ratio of LED searchlight of the present invention (only) LED powers continuously is high.
The beneficial effect of LED searchlight of the present invention is, made full use of the castering action of current impulse to the LED luminous intensity, solved the existing searchlight problem not high to utilization rate of electrical, and the brightness of lamp improves, and can have a better effect.
Description of drawings
Accompanying drawing 1 is the structural representation of LED searchlight of the present invention.
Among the figure: 1, controller; 2, mount pad; 3, LED; 4, optical reflector of curved surface; 5, lamp housing.
Accompanying drawing 2 is the electrical schematic diagram of searchlight of the present invention.
Among the figure: 1, controller, wherein A, power circuit; B, signal circuit; C, power control circuit; 3, LED.
Specific embodiments
Structure and electrical system details situation below in conjunction with drawings and Examples explanation searchlight of the present invention.
As shown in Figure 1, controller (1), mount pad (2), LED (3) and optical reflector of curved surface (4) are installed in the lamp housing (5).LED (3) and controller (1) are installed in forward and backward of mount pad (2) respectively.It is preceding that optical reflector of curved surface (4) is installed in LED (3).Mount pad (2) double as radiator.
Among Fig. 2, the control electrode of controller (1) internal power control circuit (C) power tube is connected with 10 LED (3) of parallel connection.
Electric current through power circuit (A) be input in controller (1) signal circuit (B) produce frequency 〉=500Hz/S signal after power tube output drive signal in power control circuit (C), the on off state of control power tube, and then control LED's (3) is luminous and not luminous.Switching frequency 〉=the 500Hz/S of power tube.
Total luminosity of 10 LED (3) is split up into behind the independent LED lamp directly in parallel and total luminosity when powering continuously is high than these 10 LED (3) in this routine searchlight.
Claims (3)
1, a kind of LED searchlight is made up of LED and controller etc., it is characterized in that: be provided with one tunnel (only) LED and a controller or multichannel (only) LED arranged and a controller in a LED Projecting Lamp.Power circuit, signal circuit, power control circuit are arranged in the controller.
The control electrode of described power control circuit is connected with described LED.Described controller carries out the synchronous interleaved power of frequency 〉=24Hz/S to described LED and ends.
2, LED searchlight according to claim 1 is characterized in that: the corresponding optical reflector of curved surface of each only described LED.
3, LED searchlight according to claim 1 is characterized in that: in every LED searchlight by no more than 600 of the LED of described power control circuit control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100777585A CN101307888A (en) | 2007-05-14 | 2007-05-14 | LED searchlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100777585A CN101307888A (en) | 2007-05-14 | 2007-05-14 | LED searchlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101307888A true CN101307888A (en) | 2008-11-19 |
Family
ID=40124466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100777585A Pending CN101307888A (en) | 2007-05-14 | 2007-05-14 | LED searchlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101307888A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101868099A (en) * | 2010-07-07 | 2010-10-20 | 王玉瑾 | LED lighting control device |
| CN103486531A (en) * | 2012-06-12 | 2014-01-01 | 湖北宝努斯照明电器有限公司 | High-power combined matrix-shaped LED (light-emitting diode) intelligent special illuminator |
-
2007
- 2007-05-14 CN CNA2007100777585A patent/CN101307888A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101868099A (en) * | 2010-07-07 | 2010-10-20 | 王玉瑾 | LED lighting control device |
| CN103486531A (en) * | 2012-06-12 | 2014-01-01 | 湖北宝努斯照明电器有限公司 | High-power combined matrix-shaped LED (light-emitting diode) intelligent special illuminator |
| CN103486531B (en) * | 2012-06-12 | 2015-08-26 | 孝感市捷能特种光源照明器具有限公司 | High power combination rectangular LED intelligent special ligthing paraphernalia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081119 |