CN202587537U - LED (Light Emitting Diode) device with adjustable brightness - Google Patents
LED (Light Emitting Diode) device with adjustable brightness Download PDFInfo
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- CN202587537U CN202587537U CN 201220227949 CN201220227949U CN202587537U CN 202587537 U CN202587537 U CN 202587537U CN 201220227949 CN201220227949 CN 201220227949 CN 201220227949 U CN201220227949 U CN 201220227949U CN 202587537 U CN202587537 U CN 202587537U
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Abstract
The utility model relates to an LED (Light Emitting Diode) device with an adjustable brightness. The LED device structurally comprises a switch module and a light source module controlled by the switch module, wherein the switch module is connected with the light source module through a sectional dimming drive; a control unit and a switch unit which are connected are arranged in the sectional dimming drive; an output interface of the switch unit is connected with a filtering unit through a power conversion unit; and an external memory controller is also connected to an output end of the power conversion unit. The LED device with the adjustable brightness, which is disclosed by the utility model, has the advantages of simple structure, no flash in dimming, wide dimming range, capability of realizing sectional dimming and no influence on a power grid; and meanwhile, the LED device can be suitable for remote control dimming, so that dimming modes are diversified and the convenience in operation is improved.
Description
Technical field
The utility model relates to lighting device, particularly suitable but be not limited only to intensity adjustable LED matrix.
Background technology
The existing fluorescent lamp of existing market does not have usually regulates the brightness function, and the raising of Along with people's awareness of saving energy, more and more stronger for the demand of the light modulation of light fixture and some other intelligent functions.Because the LED light fixture has advantages such as low-power consumption, high light efficiency, long-life, environmental protection, tunable optical; The LED light fixture will progressively replace traditional fluorescent lamp as a kind of novel green light source, and the lighting device of LED form is used widely in a plurality of fields and occasion.
And in existing market, in the LED lighting device of existing tunable optical, mainly realize dimming function: 1, pass through controllable silicon light modulation through following approach.Through the brightness and the switch of controllable silicon adjusting LED light fixture, but this method can produce the harmonic effects utility grid.2, bus light modulation.Through the bus transfer signal light fixture is implemented brightness adjustment control, the harmonic wave of circuit though this mode can not exert an influence needs to arrange separately that a bus realizes the transmission of signal, and construction cost and specification requirement are higher.3, grouping light modulation.Sub-light source to Different Individual in the light fixture with a plurality of sub-light sources compositions is carried out ON/OFF control; Thereby reach the function of integrally adjusting light; Form by 12 LED lamp pearls like light fixture, through 6,8,12 lamp pearls wherein being controlled the different brightness that realize light fixture respectively.Clearly, the method needs a plurality of light sources to realize, relatively wastes resource.Therefore a kind of low cost, control are simply and can not produce the light modulation LED apparatus that disturbs to circuit be blank in the market.
The utility model content
The utility model provides a kind of intensity adjustable LED matrix, through simple connection and control, reaches the purpose that brightness is regulated to LED matrix, and can not produce interference to existing circuit.
The intensity adjustable LED matrix of the utility model; Have switch module and control the light source module by said switch module; Switch module is connected with the light source module through the sectional dimming driver; In described sectional dimming driver, be provided with continuous control unit and switch element, the output interface of switch element connects filter unit through the Power Conversion unit, and the input of Power Conversion unit also is connected with external memory controller (EMC).The control unit statistic switch modular spacing of sectional dimming driver was less than 1.5 seconds ON/OFF number of times; And according to the number of times power output of regulating the power converter unit through switch element of statistics; Thereby change voltage or electric current, reach the purpose that changes the brightness of light source module the input of light source module.Wherein each building block can adopt existing equipment or module, to reduce the complete machine cost.This control mode syndeton is simple, and light modulation flicker free, dimming scope big, can realize sectional dimming, can not exert an influence to electrical network.
Preferably; Between switch module and sectional dimming driver, be connected with the remote control module that receives remote signal; Can carry out the input of switching signal to the sectional dimming driver with remote controller through remote control module, the remote realization effect identical with operation switch module.
Preferably, described remote control module is the infrared remote control module, also can be other remote control module commonly used, as RF remote-controlled etc.The infrared remote control module is at present ripe telecontrol engineering, has simple, the anti-interference characteristics such as strong of hardware.
Concrete, described remote control module comprises signal receiving unit, decoding unit and the control unit that is linked in sequence, wherein control unit is connected with the sectional dimming driver, realizes the input of signal.
Optional, described switch module is a switch on wall, switch on wall is a kind of switch of very general and One's name is legion, also can be other mechanical switch or soft-touch control etc.
Preferably, described light source module is the LED illuminating module with good dimming behavior.
The intensity adjustable LED matrix of the utility model is simple in structure; And light modulation flicker free, dimming scope be big, can realize sectional dimming, can not exert an influence to electrical network, also can be suitable for remote control light modulating simultaneously; Make the dimming mode variation, improve the convenience of operation.
Below in conjunction with embodiment, the foregoing of the utility model is remake further detailed description by the accompanying drawing illustrated embodiment.But should this be interpreted as that the scope of the above-mentioned theme of the utility model only limits to following instance.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements or change according to ordinary skill knowledge and customary means are made all should be included in the scope of the utility model.
Description of drawings
Fig. 1 is the structured flowchart of the intensity adjustable LED matrix of the utility model.
Fig. 2 is the structured flowchart of sectional dimming driver among Fig. 1.
Embodiment
The intensity adjustable LED matrix of the utility model as shown in Figure 1 has switch module and by said switch module control led light source module, wherein the switch module is made up of switch on wall.Switch module is connected with the light source module through the sectional dimming driver; Between switch module and sectional dimming driver, be connected with the infrared remote control module that receives remote signal; Comprise the signal receiving unit (not shown), decoding unit (not shown) and the control unit (not shown) that are linked in sequence in the infrared remote control module; Wherein control unit is connected with the sectional dimming driver, realizes the input of signal.Can carry out the input of switching signal to the sectional dimming driver with remote controller through the infrared remote control module, the remote realization effect identical with operation switch module.
As shown in Figure 2; In described sectional dimming driver, be provided with continuous control unit and switch element; The output interface of switch element connects filter unit through the Power Conversion unit, and the input of Power Conversion unit also is connected with external memory controller (EMC).The control unit statistic switch modular spacing of sectional dimming driver was less than 1.5 seconds ON/OFF number of times; And according to the number of times power output of regulating the power converter unit through switch element of statistics; Thereby change voltage or electric current, reach the purpose that changes the brightness of light source module the input of light source module.Carry out open and close through quick switch-unit; Control unit can carry out counting statistics to the switch number of times; Correspondingly progressively reduce simultaneously the power output of Power Conversion unit, realize 100% power step by step---the segmentation output of 60% power---40% power---, 20% power.Make the led light source module be transformed into complete bright state, only need close again closing switch more than 1.5 seconds, just can return to complete bright state from any luminance state.Be transformed into from any luminance state and extinguish state, only need close switch just passable.This control mode syndeton is simple, and light modulation flicker free, dimming scope big, can realize sectional dimming, can not exert an influence to electrical network, can also carry out straighforward operation to the led light source module.
Claims (6)
1. intensity adjustable LED matrix; Have switch module and control the light source module by said switch module; It is characterized by: switch module is connected with the light source module through the sectional dimming driver; In described sectional dimming driver, be provided with continuous control unit and switch element, the output interface of switch element connects filter unit through the Power Conversion unit, and the input of Power Conversion unit also is connected with external memory controller.
2. intensity adjustable LED matrix as claimed in claim 1 is characterized by: between switch module and sectional dimming driver, be connected with the remote control module that receives remote signal.
3. intensity adjustable LED matrix as claimed in claim 2 is characterized by: described remote control module is the infrared remote control module.
4. intensity adjustable LED matrix as claimed in claim 2 is characterized by: described remote control module comprises signal receiving unit, decoding unit and the control unit that is linked in sequence.
5. like the described intensity adjustable LED matrix of one of claim 1 to 4, it is characterized by: described switch module is a switch on wall.
6. like the described intensity adjustable LED matrix of one of claim 1 to 4, it is characterized by: described light source module is the LED illuminating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220227949 CN202587537U (en) | 2012-05-21 | 2012-05-21 | LED (Light Emitting Diode) device with adjustable brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220227949 CN202587537U (en) | 2012-05-21 | 2012-05-21 | LED (Light Emitting Diode) device with adjustable brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202587537U true CN202587537U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220227949 Expired - Fee Related CN202587537U (en) | 2012-05-21 | 2012-05-21 | LED (Light Emitting Diode) device with adjustable brightness |
Country Status (1)
| Country | Link |
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| CN (1) | CN202587537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327700A (en) * | 2013-07-23 | 2013-09-25 | 上海瀚唯科技有限公司 | Power control method for LED (light-emitting diode) drive power supply |
| CN103369788A (en) * | 2013-04-07 | 2013-10-23 | 厦门阳光恩耐照明有限公司 | Sectionalized dimming device of LED (light-emitting diode) lamp |
-
2012
- 2012-05-21 CN CN 201220227949 patent/CN202587537U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369788A (en) * | 2013-04-07 | 2013-10-23 | 厦门阳光恩耐照明有限公司 | Sectionalized dimming device of LED (light-emitting diode) lamp |
| CN103369788B (en) * | 2013-04-07 | 2015-05-27 | 厦门阳光恩耐照明有限公司 | Sectionalized dimming device of LED (light-emitting diode) lamp |
| CN103327700A (en) * | 2013-07-23 | 2013-09-25 | 上海瀚唯科技有限公司 | Power control method for LED (light-emitting diode) drive power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611731 Sichuan city of Chengdu province high tech Zone (West) New Road No. 2 Patentee after: Sichuan Sunfor Light Co., Ltd. Address before: 611731 Sichuan city of Chengdu province high tech Zone (West) New Road No. 2 Patentee before: Sichuan Sunfor Lighting Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20180521 |