CN202285449U - Low-interference miniaturized power module for light emitting diode (LED) lamp - Google Patents
Low-interference miniaturized power module for light emitting diode (LED) lamp Download PDFInfo
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- CN202285449U CN202285449U CN2011204342584U CN201120434258U CN202285449U CN 202285449 U CN202285449 U CN 202285449U CN 2011204342584 U CN2011204342584 U CN 2011204342584U CN 201120434258 U CN201120434258 U CN 201120434258U CN 202285449 U CN202285449 U CN 202285449U
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Abstract
The utility model discloses a low-interference miniaturized power module for a light emitting diode (LED) lamp. The low-interference miniaturized power module comprises an LED lamp panel, an LED chip arranged on the LED lamp panel, a power panel and a filter plate, wherein a mains supply access end is arranged on the filter plate; a direct current output end is arranged on the power panel; and the filter plate is parallel to the power panel, and is welded with the power panel. Due to the design of an LED power supply, the power panel and the filter plate are relatively parallel to each other; the filter plate performs electromagnetic interference (EMI) filtering and electromagnetic compatibility (EMC) filtering on accessed mains supply; the processed mains supply is rectified by a voltage transformation rectifier and converted into direct current; the direct current is converted into low-voltage constant direct current through high-voltage direct current; and the low-voltage constant direct current is subjected to denoising processing and input into the LED lamp panel through the direct current output end. Compared with the prior art, the power module is arranged in a small LED lamp tube or a lamp, so that the problems that the conventional LED power supply has an overlarge volume, high EMC and EMI interference and a low heat radiation effect are solved effectively.
Description
Technical field:
The utility model relates to the LED lamp driving power source, and what be specifically related to is the low miniaturized electric source module that disturbs of a kind of LED lamp, is mainly used in T8 type LED fluorescent tube and compact LED light fixture.
Background technology:
The LED power supply is different with the conventional lamp power supply, can not directly insert conventional line voltage, for satisfying the special voltage of LED power supply, current requirements, and must be according to the voltage conversion apparatus of the characteristics special of led light source.
The LED fluorescent tube is a light emitting source with led chip or the LED lamp that is positioned on the fluorescent tube LED lamp plate at present, and in the LED fluorescent tube, a LED power supply is being set, and this power supply is made up of rectification circuit, filter circuit etc., is used for the civil power of input is carried out the filter rectification processing; Yet because LED fluorescent tube inner space is limited, particularly compact LED fluorescent tube (like the T8 fluorescent tube) or compact LED light fixture, conventional LED power supply can't be installed in the fluorescent tube, and therefore size or the design and installation mode to the LED power supply has strict demand.
The LED power supply has two kinds of mounting meanss in the present LED fluorescent tube; A kind of is that the LED power supply is installed in an end in the LED fluorescent tube; But this LED power volume is bigger, be not suitable for the compact LED fluorescent tube and use, and the circuit element that this LED power supply adopts is more; The EMC that produces each other, EMI disturb bigger, can influence the operate as normal of LED lamp; Another kind is that LED lamp and power supply are made as one (as shown in Figure 1), is provided with a plurality of led chips 2 in the bottom surface of LED lamp plate 1, and the LED power unit is arranged on the front of LED lamp plate 1; Can effectively alleviate the too small problem in LED fluorescent tube inner space like this; But there is following defective in this design: led chip 2 and LED power sharing LED lamp plate, and under the limited condition in space, the heat that is produced is assembled easily in the LED fluorescent tube; Be difficult to exhale; The long-time use caused component ageing easily, causes product shortening in useful life.
Summary of the invention:
In view of this, the purpose of the utility model is to provide a kind of LED lamp the low miniaturized electric source module that disturbs, the problem that LED power volume in present compact LED fluorescent tube and the compact LED light fixture is excessive to solve, EMC, EMI disturb big and radiating effect difference.
For realizing above-mentioned purpose, the utility model mainly adopts following technical scheme:
The low miniaturized electric source module that disturbs of a kind of LED lamp; Comprise LED lamp plate (1) and be arranged on the led chip (2) on the LED lamp plate (1); Wherein also comprise power panel (4) and filter band (3), said filter band (3) is provided with civil power incoming end (10), and power panel (4) is provided with dc output end (9); Said filter band (3) is parallel to power panel (4), and welds together with power panel (4).
Be welded with the EMI power-supply filter (5) and the EMC filter (6) that are connected to civil power incoming end (10) on the wherein said filter band (3).
Wherein state power panel (4) and be provided with vertoro (7), this vertoro (7) is connected with filter band (3).
Also be provided with noise reduction capacitor (8) on the wherein said power panel (4).
The utility model is through the design to the LED power supply; Make power panel and filter band be in the opposing parallel position; And the civil power that inserts is carried out EMI filtering and EMC Filtering Processing through filter band; Civil power after treatment carries out rectification through vertoro and becomes direct current, and then converts the low pressure Constant Direct Current to by HVDC, is input to the LED lamp plate through after the noise reduction process by dc output end.Compared with prior art, the described power module of the utility model can be installed in compact LED fluorescent tube or the light fixture, and it is excessive to efficiently solve present LED power volume, and EMC, EMI disturb the problem of big and radiating effect difference.
Description of drawings:
Fig. 1 is arranged at the structural representation of LED lamp plate for existing LED power supply.
Fig. 2 is the syndeton sketch map of the utility model LED miniaturized electric source module and LED lamp plate.
Identifier declaration among the figure: LED lamp plate 1, led chip 2, filter band 3, power panel 4, EMI power-supply filter 5, EMC filter 6, vertoro 7, noise reduction capacitor 8, dc output end 9, mains electricity input end 10.
Embodiment:
For setting forth the thought and the purpose of the utility model, will combine accompanying drawing and specific embodiment that the utility model is done further explanation below.
See also shown in Figure 2ly, Fig. 2 is the syndeton sketch map of the utility model LED miniaturized electric source module and LED lamp plate.The utility model provides the low miniaturized electric source module that disturbs of a kind of LED lamp, the problem of being mainly used in and solving that LED power volume in present compact LED fluorescent tube and the compact LED light fixture is excessive, EMC, EMI disturbing big and radiating effect difference.
Wherein the low miniaturized electric source module that disturbs of this LED lamp comprises LED lamp plate 1, is arranged on led chip 2, filter band 3 and power panel 4 on the LED lamp plate 1; Said filter band 3 is provided with civil power incoming end 10; Be electrically connected with the external communication city through this civil power incoming end 10; Also be welded with EMI power-supply filter 5 and EMC filter 6 on the filter band 3, be used for the civil power of input is carried out Filtering Processing; Filter band 3 is parallel to each other with power panel 4; And the two welds together; Power panel 4 is provided with vertoro 7, noise reduction capacitor 8 and dc output end 9, and said vertoro 7 is used for the civil power of input process Filtering Processing is carried out the rectifier transformer processing, makes it convert the direct current constant current that the capable for LED lamp uses to; And, supply led chip 2 luminous uses through outputing to LED lamp plate 1 by dc output end 9 after noise reduction capacitor 8 noise reduction process.
The utility model operation principle is: civil power is through the filter band input; And carry out being input to vertoro after the Filtering Processing through EMI power-supply filter, EMC filter, vertoro at first carries out rectification to the voltage of input to be handled, and becomes direct voltage; Direct voltage carries out transformation through vertoro again to be handled; Becoming the low pressure Constant Direct Current from HVDC, be input to the LED lamp plate by dc output end after the input low pressure Constant Direct Current process noise reduction capacitor noise reduction process, is the led chip power supply.
More than be that the low miniaturized electric source module that disturbs of a kind of LED lamp that the utility model is provided has carried out detailed introduction; Used concrete example among this paper the structural principle and the execution mode of the utility model are set forth, above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (4)
1. a LED lamp hangs down and disturbs the miniaturized electric source module; Comprise LED lamp plate (1) and be arranged on the led chip (2) on the LED lamp plate (1); It is characterized in that also comprising power panel (4) and filter band (3); Said filter band (3) is provided with civil power incoming end (10), and power panel (4) is provided with dc output end (9); Said filter band (3) is parallel to power panel (4), and welds together with power panel (4).
2. the low miniaturized electric source module that disturbs of LED lamp according to claim 1 is characterized in that being welded with on the said filter band (3) the EMI power-supply filter (5) and the EMC filter (6) that are connected to civil power incoming end (10).
3. the low miniaturized electric source module that disturbs of LED lamp according to claim 1 is characterized in that said power panel (4) is provided with vertoro (7), and this vertoro (7) is connected with filter band (3).
4. the low miniaturized electric source module that disturbs of LED lamp according to claim 1 is characterized in that also being provided with on the said power panel (4) noise reduction capacitor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204342584U CN202285449U (en) | 2011-11-07 | 2011-11-07 | Low-interference miniaturized power module for light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204342584U CN202285449U (en) | 2011-11-07 | 2011-11-07 | Low-interference miniaturized power module for light emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285449U true CN202285449U (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204342584U Expired - Fee Related CN202285449U (en) | 2011-11-07 | 2011-11-07 | Low-interference miniaturized power module for light emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880152A (en) * | 2012-10-15 | 2013-01-16 | 电子科技大学中山学院 | A control device for indoor environment conditioning equipment of the Internet of Things |
-
2011
- 2011-11-07 CN CN2011204342584U patent/CN202285449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880152A (en) * | 2012-10-15 | 2013-01-16 | 电子科技大学中山学院 | A control device for indoor environment conditioning equipment of the Internet of Things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20131107 |