CN202750272U - Power supply for LED fluorescent lamp - Google Patents
Power supply for LED fluorescent lamp Download PDFInfo
- Publication number
- CN202750272U CN202750272U CN 201220225446 CN201220225446U CN202750272U CN 202750272 U CN202750272 U CN 202750272U CN 201220225446 CN201220225446 CN 201220225446 CN 201220225446 U CN201220225446 U CN 201220225446U CN 202750272 U CN202750272 U CN 202750272U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electrically connected
- led
- flc1
- power source
- 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.)
- Expired - Fee Related
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
The utility model discloses a power supply for an LED fluorescent lamp. The power supply comprises a circuit board and surface mounting elements arranged on the circuit board, wherein an LED power supply circuit is formed by the surface mounting elements and includes a low-voltage contactor FLC1, a bridge-type rectifier diode in electric connection with the low-voltage contactor FLC1, an integrated circuit U1 in electric connection with the bridge-type rectifier diode and a light emitting diode in electric connection with the integrated circuit U1. The power supply for the LED fluorescent lamp has a simple circuit, and is small in size, low in cost and stable in performance.
Description
Technical field
The utility model relates to the LED field of light fittings, relates in particular to a kind of LED daylight lamp power source.
Background technology
The LED(light-emitting diode) lighting is in the development that obtains in the recent period leaping, and the superior functions such as high energy-conservation, the low energy consumption of LED light fixture, life-span length, environmental protection obtain general generally acknowledging.The LED lamp that uses on the market at present, its be alternating current after diode rectification filtering, become high voltage direct current, after the high frequency switching converter step-down, the LED lamp is powered again, lamp noiselessness during use, light be soft, can not produce scintillation, and its power consumption is below 1/3rd of traditional fluorescent lamp, so the LED lamp is acknowledged as the green illumination of 21st century.
Yet, common LED fluorescent lamp on the market, the electric elements on its circuit board arrange more, so the volume of LED fluorescent lamp is larger, and cost is higher.
The utility model content
The utility model proposes a kind of LED daylight lamp power source, its circuit connects simple, and lightweight and portable in volume is small and exquisite, has both reduced cost.
For achieving the above object, the utility model provides a kind of LED daylight lamp power source, comprise: circuit board and be arranged at element pasted on surface on the circuit board, this element pasted on surface forms a LED power circuit, the bridge rectifier diode that includes a lv contactor FLC1 in the described LED power circuit, is electrically connected with lv contactor FLC1, the integrated circuit U1 that is electrically connected with bridge rectifier diode, and with the light-emitting diode of this integrated circuit U1 electric connection.
In the utility model, described lv contactor FLC1 front end is electrically connected an adjustable resistance W, high voltage thin film capacitor C X1, resistance R X1, reaches resistance R X2, be connected in series between this resistance R X1 and the resistance R X2, be connected in parallel between this adjustable resistance W and the high voltage thin film capacitor C X1.
This lv contactor FLC1 front end also is electrically connected with a fuse F1.
In addition, also be connected in parallel to a high voltage thin film capacitor C X2 between described lv contactor FLC1 and the bridge rectifier diode.
Further, described bridge rectifier diode rear end also is connected in parallel and one polar capacitor CD1 is arranged and polar capacitor CD2 is arranged.
Moreover described integrated circuit U1 also is electrically connected an inductance L, and one polar capacitor CD3 is arranged.
Light-emitting diode one end of the present utility model is electrically connected a swept resistance VR1, swept resistance VR2, reaches resistance R 1, and this light-emitting diode other end also is electrically connected with resistance R 4, reaches resistance R 5.
LED daylight lamp power source of the present utility model, its lightweight and portable in volume is small and exquisite, and circuit connects comparatively simple, and electric elements are less, when having saved cost, have preferably heat dispersion, and in addition, its use is more safe and reliable.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit connection diagram of a kind of specific embodiment of the utility model LED daylight lamp power source.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of LED daylight lamp power source, it comprises circuit board (not shown) and is arranged at element pasted on surface (SMD:Surface Mounted Devices) on the circuit board, this element pasted on surface forms a LED power circuit, the bridge rectifier diode 10 that includes a lv contactor FLC1 in the described LED power circuit, is electrically connected with lv contactor FLC1, the integrated circuit U1 that is electrically connected with bridge rectifier diode 10, and with the light-emitting diode 20 of this integrated circuit U1 electric connection.
In the utility model, described lv contactor FLC1 front end also is electrically connected an adjustable resistance W, high voltage thin film capacitor C X1, resistance R X1, reaches resistance R X2, be connected in series between this resistance R X1 and the resistance R X2, be connected in parallel between this adjustable resistance W and the high voltage thin film capacitor C X1.As a kind of preferred embodiment of the present utility model, this lv contactor FLC1 front end also is electrically connected with a fuse F1.By the setting of this fuse F1, protection can be provided when element generation catastrophe failure, greatly the useful life of the prolongation LED daylight lamp power source of degree, use more safe and reliable.
In addition, also be connected in parallel to a high voltage thin film capacitor C X2 between described lv contactor FLC1 and the bridge rectifier diode 10.Further, these bridge rectifier diode 10 rear ends also are connected in parallel and one polar capacitor CD1 are arranged and polar capacitor CD2 is arranged.
Moreover the integrated circuit U1 in the utility model also is electrically connected an inductance L, and one polar capacitor CD3 is arranged.
Further, described light-emitting diode 20 1 ends are electrically connected a swept resistance VR1, swept resistance VR2, reach resistance R 1, and these light-emitting diode 20 other ends also are electrically connected with resistance R 4, reach resistance R 5.
In sum, LED daylight lamp power source of the present utility model, its lightweight and portable in volume is small and exquisite, and circuit connects comparatively simple, and electric elements are less, when having saved cost, have preferably heat dispersion, and in addition, its use is more safe and reliable.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. LED daylight lamp power source, comprise circuit board and be arranged at element pasted on surface on the circuit board, this element pasted on surface forms a LED power circuit, it is characterized in that, the bridge rectifier diode that includes a lv contactor FLC1 in the described LED power circuit, is electrically connected with lv contactor FLC1, the integrated circuit U1 that is electrically connected with bridge rectifier diode, and with the light-emitting diode of this integrated circuit U1 electric connection.
2. LED daylight lamp power source as claimed in claim 1, it is characterized in that, described lv contactor FLC1 front end is electrically connected an adjustable resistance W, high voltage thin film capacitor C X1, resistance R X1, reaches resistance R X2, be connected in series between this resistance R X1 and the resistance R X2, be connected in parallel between this adjustable resistance W and the high voltage thin film capacitor C X1.
3. LED daylight lamp power source as claimed in claim 2 is characterized in that, described lv contactor FLC1 front end also is electrically connected with a fuse F1.
4. LED daylight lamp power source as claimed in claim 3 is characterized in that, is connected in parallel to a high voltage thin film capacitor C X2 between described lv contactor FLC1 and the bridge rectifier diode.
5. LED daylight lamp power source as claimed in claim 4 is characterized in that, described bridge rectifier diode rear end also is connected in parallel and one polar capacitor CD1 is arranged and polar capacitor CD2 is arranged.
6. LED daylight lamp power source as claimed in claim 5 is characterized in that, described integrated circuit U1 also is electrically connected an inductance L, and one polar capacitor CD3 is arranged.
7. LED daylight lamp power source as claimed in claim 6 is characterized in that, described light-emitting diode one end is electrically connected a swept resistance VR1, swept resistance VR2, reaches resistance R 1, and this light-emitting diode other end also is electrically connected with resistance R 4, reaches resistance R 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225446 CN202750272U (en) | 2012-05-19 | 2012-05-19 | Power supply for LED fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225446 CN202750272U (en) | 2012-05-19 | 2012-05-19 | Power supply for LED fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202750272U true CN202750272U (en) | 2013-02-20 |
Family
ID=47709617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220225446 Expired - Fee Related CN202750272U (en) | 2012-05-19 | 2012-05-19 | Power supply for LED fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202750272U (en) |
-
2012
- 2012-05-19 CN CN 201220225446 patent/CN202750272U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201081194Y (en) | Lamp house type light controlled LED lamp | |
| CN201696949U (en) | High-efficiency and energy-saving LED lighting device | |
| CN201429013Y (en) | LED emergency lighting lamp | |
| CN202750272U (en) | Power supply for LED fluorescent lamp | |
| CN202425127U (en) | Adjustable LED (Light-Emitting Diode) lighting lamp | |
| CN204948406U (en) | A kind of LED illuminating lamp for household use control circuit | |
| CN204785733U (en) | Led lamp | |
| CN204104188U (en) | A kind of LED lamp | |
| CN202274461U (en) | LED (Light-Emitting Diode) lamp and circuit thereof | |
| CN203813996U (en) | LED lamp driver | |
| CN201992468U (en) | Sensing type work lamp | |
| CN204254306U (en) | A kind of spiral LED | |
| CN202475898U (en) | LED (light emitting diode) building energy-saving lamp | |
| CN202660389U (en) | High-voltage light emitting diode (LED) outdoor lighting lamp | |
| CN201821541U (en) | Energy-saving circuit enduing LED lamp with various levels of brightness | |
| TWI500879B (en) | Light emitting diode lamp | |
| CN210670678U (en) | High-efficient bridging device of LED | |
| CN201048459Y (en) | Drive circuit of light-emitting component | |
| CN201657424U (en) | LED lighting circuit | |
| CN201103831Y (en) | Solar advertisement board illumination system | |
| CN201789660U (en) | Signal lamp circuit | |
| CN2586298Y (en) | Dual-purpose electronic control switch | |
| CN201039522Y (en) | LED driver | |
| CN202873119U (en) | Led street lamp controller | |
| CN203036349U (en) | Semiconductor illuminating lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150519 |
|
| EXPY | Termination of patent right or utility model |