CN203656693U - LED down lamp - Google Patents
LED down lamp Download PDFInfo
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- CN203656693U CN203656693U CN201320882946.6U CN201320882946U CN203656693U CN 203656693 U CN203656693 U CN 203656693U CN 201320882946 U CN201320882946 U CN 201320882946U CN 203656693 U CN203656693 U CN 203656693U
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- Prior art keywords
- lamp
- led
- led down
- driving power
- circuit
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- 239000011049 pearl Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model provides an LED down lamp, which comprises a lamp body, a lamp panel arranged in the lamp body, a plurality of LED lamp beads arranged on the lamp panel, and a drive power supply connected with the plurality of LED lamp beads. The drive power supply is arranged on the lamp panel. Compared with the prior art, the drive power supply and the lamp panel are integrated as a whole, so that the assembly and the automatic production of the LED down lamp are facilitated. Meanwhile, the cost is saved. The drive power supply is in the form of a constant-current switching power supply. In this way, the brightness of the LED down lamp is not changed along with the variation of the voltage. The drive circuit of the LED down lamp is higher in constant-current accuracy, so that the LED down lamp is free of the stroboscopic phenomenon.
Description
Technical field
The utility model is about lighting field, relates in particular to a kind of LED Down lamp.
Background technology
Existing LED(Light-Emitting Diode, light emitting diode, being called for short LED) driving power of Down lamp is all external, lamp plate is what to separate with drive electric power unit, and this just causes assembly cost higher, and, existing LED Down lamp power acquisition conventional linear power supply, conventional linear power supply, constant current accuracy is not high, the easy stroboscopic of whole lamp.
Therefore, be necessary present technology to do further improvement.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and the LED Down lamp of a kind of lamp plate and driving power integrated setting is provided, and it is simple in structure, easy to assembly, cost is low, and whole lamp is without stroboscopic, and the brightness of lamp is not with voltage change.
For reaching aforementioned object, the utility model LED Down lamp, it comprises lamp body, is arranged on the lamp plate in described lamp body, the driving power that is fixed on several LED lamp pearls on described lamp plate and is connected with described LED lamp pearl, and described driving power is arranged on described lamp plate.
As preferred embodiment of the utility model, described driving power is Switching Power Supply.
As preferred embodiment of the utility model, when described LED lamp pearl is arranged on lamp plate, on described lamp plate, described LED lamp pearl circular array.
As preferred embodiment of the utility model, described driving power is electrically connected with external power source.
As preferred embodiment of the utility model, described driving power is welded on described lamp plate, on described lamp plate, conductive traces is installed, and described driving power is realized and being electrically connected by the conductive traces on described lamp plate with described LED lamp pearl.
As preferred embodiment of the utility model, the drive circuit of described driving power comprises input circuit, rectifier circuit, drive IC, resistance, electric capacity, step-down transformer and illuminating circuit, described input circuit is electrically connected with described rectifier circuit, described rectifier circuit is electrically connected with described drive IC by resistance and electric capacity, and described drive IC is electrically connected with described illuminating circuit.
As preferred embodiment of the utility model, the alternating current that the input voltage of described drive circuit is 180-240V.
As preferred embodiment of the utility model, described drive IC is DU8618.
As preferred embodiment of the utility model, the LED lamp pearl that described illuminating circuit is several series connection.
The beneficial effects of the utility model: compared with prior art, LED Down lamp of the present utility model, by integrated to driving power and lamp plate, be convenient to assembling and automated production, cost-saving, and driving power of the present utility model is Switching Power Supply, and this just makes the brightness of described LED Down lamp not change with the variation of voltage, this drive circuit constant current accuracy is higher, and LED Down lamp is without stroboscopic phenomenon.
Brief description of the drawings
Fig. 1 is the lamp plate wiring diagram of the utility model LED Down lamp;
Fig. 2 is the structural representation of the lamp plate of the utility model LED Down lamp;
Fig. 3 is the driving circuit principle figure of the utility model LED Down lamp.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Alleged " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the utility model herein.Different local in this manual " in one embodiment " that occur not all refer to same embodiment, neither be independent or the embodiment mutually exclusive with other embodiment optionally.
Refer to Fig. 1 and Fig. 2, Fig. 1 is the lamp plate wiring diagram of the utility model LED Down lamp.Fig. 2 is the structural representation of the lamp plate of the utility model LED Down lamp.Described LED Down lamp comprises lamp body (not shown), lamp plate (pcb board) 100, LED lamp pearl 200 and driving power.
Described lamp plate 100 is arranged in described lamp body, is fixedly connected with LED lamp pearl 200 on it.Described driving power is welded on described lamp plate 100, and described driving power one end is electrically connected with described LED lamp pearl 200, and the other end is connected with external power source (not shown) by wire.On described lamp plate 100, be furnished with conductive traces 110, described driving power is realized and being electrically connected by the conductive traces 110 on lamp plate 100 with described LED lamp pearl 200.In this embodiment, described conductive traces 110 is copper base, and in other embodiments, this conductive traces 110 can also be the substrate of other materials.The arrangement mode of conductive traces described in the utility model can be determined according to actual conditions.
Described LED lamp pearl 200, it is fixed on described lamp plate 100.In this embodiment, the quantity of described LED lamp pearl 200 is several, when these several LED lamp pearls 200 are arranged on lamp plate, and on described lamp plate 100, described LED lamp pearl 200 circular array.In this embodiment, described LED lamp pearl 200 is arranged as five loop configuration on lamp plate 100, LED lamp pearl 200 in each loop configuration is connected, and, between adjacent annular structure, be also connected in series, in other embodiments, described LED lamp pearl 200 is arranged as at least one loop configuration on lamp plate 100, LED lamp pearl 200 in each loop configuration is connected, and, between adjacent annular structure, be also connected in series.In another embodiment, the loop configuration of the arrangement of described LED lamp pearl 200 on lamp plate 100 is at least one, and the LED lamp pearl 200 in each loop configuration is connected, and between adjacent annular structure, also can be connected in parallel.In the utility model, the arrangement mode of described LED lamp pearl 200 on lamp plate 100 determined according to actual conditions.
Refer to Fig. 3, it is the driving circuit principle figure of the utility model LED Down lamp.As shown in Figure 1 to Figure 3, in this embodiment, described driving power is Switching Power Supply, the drive circuit 300 of described driving power comprises input circuit, rectifier circuit, drive IC, resistance, electric capacity, step-down transformer and illuminating circuit, described input circuit is electrically connected with described rectifier circuit, described rectifier circuit is electrically connected with described drive IC by resistance and electric capacity, and described drive IC is electrically connected with described illuminating circuit.Wherein, the alternating current that the input voltage of described drive circuit is 180-240V.In this embodiment, the type of described drive IC is DU8618, the drive IC of the type is due to closed-loop control, in the normal range of operation of setting, output current maintains definite value, this drive IC has advantages of that circuit is simple, cost is low and constant current accuracy is high, described illuminating circuit comprises the LED lamp pearl 200 of several series connection, these several LED lamp pearls 200 be labeled as V1, V2, V3 ..., Vn-1, Vn, wherein n is integer, in other embodiments, in described illuminating circuit, the quantity of LED lamp pearl and arrangement mode can be decided according to the actual requirements.
The operation principle of drive circuit of the present utility model is as follows: input voltage is by after fuse F1, then carry out rectification through rectifier circuit, through the voltage of rectification through electric resistance partial pressure and capacitance energy storage filtering, voltage after rectification passes through drive IC, then drive IC is controlled the electric current of output, the current constant that makes output, this just makes the brightness of LED Down lamp can not change along with the variation of input voltage, and then can not cause the stroboscopic phenomenon of LED Down lamp.
LED Down lamp of the present utility model, by integrated to driving power and lamp plate, be convenient to assembling and automated production, cost-saving, and driving power of the present utility model is Switching Power Supply, this just makes the brightness of described LED Down lamp not change with the variation of voltage, and this drive circuit constant current accuracy is higher, and LED Down lamp is without stroboscopic phenomenon.
Above-mentioned explanation has fully disclosed detailed description of the invention of the present utility model.It is pointed out that and be familiar with the scope that any change that person skilled in art does detailed description of the invention of the present utility model does not all depart from claims of the present utility model.Correspondingly, the scope of claim of the present utility model is also not limited only to previous embodiment.
Claims (9)
1. a LED Down lamp, it comprises lamp body, is arranged on the lamp plate in described lamp body, the driving power that is fixed on several LED lamp pearls on described lamp plate and is connected with described LED lamp pearl, it is characterized in that: described driving power is arranged on described lamp plate.
2. LED Down lamp according to claim 1, is characterized in that: described driving power is Switching Power Supply.
3. LED Down lamp according to claim 1, is characterized in that: when described LED lamp pearl is arranged on lamp plate, and on described lamp plate, described LED lamp pearl circular array.
4. LED Down lamp according to claim 1, is characterized in that: described driving power is electrically connected with external power source.
5. LED Down lamp according to claim 1, it is characterized in that: described driving power is welded on described lamp plate, on described lamp plate, conductive traces is installed, described driving power is realized and being electrically connected by the conductive traces on described lamp plate with described LED lamp pearl.
6. LED Down lamp according to claim 1, it is characterized in that: the drive circuit of described driving power comprises input circuit, rectifier circuit, drive IC, resistance, electric capacity, step-down transformer and illuminating circuit, described input circuit is electrically connected with described rectifier circuit, described rectifier circuit is electrically connected with described drive IC by resistance and electric capacity, and described drive IC is electrically connected with described illuminating circuit.
7. LED Down lamp according to claim 6, is characterized in that: the alternating current that the input voltage of described drive circuit is 180-240V.
8. LED Down lamp according to claim 6, is characterized in that: the type of described drive IC is DU8618.
9. LED Down lamp according to claim 6, is characterized in that: the LED lamp pearl that described illuminating circuit is several series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882946.6U CN203656693U (en) | 2013-12-30 | 2013-12-30 | LED down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882946.6U CN203656693U (en) | 2013-12-30 | 2013-12-30 | LED down lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656693U true CN203656693U (en) | 2014-06-18 |
Family
ID=50923076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320882946.6U Expired - Fee Related CN203656693U (en) | 2013-12-30 | 2013-12-30 | LED down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742820A (en) * | 2013-12-30 | 2014-04-23 | 苏州东山精密制造股份有限公司 | Light-emitting diode (LED) tube lamp |
-
2013
- 2013-12-30 CN CN201320882946.6U patent/CN203656693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742820A (en) * | 2013-12-30 | 2014-04-23 | 苏州东山精密制造股份有限公司 | Light-emitting diode (LED) tube lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171019 Address after: 215000 3 Building 8, Stone Hill Road, Dongshan Town, Dongshan Town, Suzhou, Wuzhong District, Jiangsu Patentee after: Suzhou East Photoelectric Technology Co., Ltd. Address before: 215107 No. 8 Fenghuang Mountain Road, Dongshan Industrial Park, Suzhou, Jiangsu, Wuzhong District Patentee before: Suzhou Dongshan Precision Manufacturing Co., Ltd. |
|
| 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: 20140618 Termination date: 20181230 |