CN203115554U - LED (light-emitting diode) lamp - Google Patents
LED (light-emitting diode) lamp Download PDFInfo
- Publication number
- CN203115554U CN203115554U CN2012207399803U CN201220739980U CN203115554U CN 203115554 U CN203115554 U CN 203115554U CN 2012207399803 U CN2012207399803 U CN 2012207399803U CN 201220739980 U CN201220739980 U CN 201220739980U CN 203115554 U CN203115554 U CN 203115554U
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- China
- Prior art keywords
- led light
- aluminium base
- light source
- led
- light fixture
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- 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
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Abstract
The utility model relates to an LED (light-emitting diode) lamp, which comprises an aluminium base plate, an LED light source and a housing, wherein the LED light source is fixed on the aluminium base plate, the housing is connected with the back of the aluminium base plate, and an isolated driver is connected between the LED light source and the power input end of the LED lamp. The cathode output end of the isolated driver is electrically connected with the housing. The output cathode of an internal isolated power supply of the LED lamp is connected with the housing, the equivalent capacitance between the aluminium base plate and the light source can be effectively short-circuited, all high voltage is applied on the internal LED driving power supply during a high voltage test, and therefore the LED light source can be effectively prevented from being damaged by high voltage.
Description
Technical field
The utility model relates to the LED light fixture, relates in particular to a kind of embedded with isolating source and has the LED light fixture of high voltage endurance capability.
Background technology
The LED light fixture all needs to do Hi-pot test in factory at present, and the purpose of Hi-pot test is whether the insulating protection of its shell of check puts in place, and guaranteeing can not leak electricity hurts sb.'s feelings.General Hi-pot test is that shell and input zero live wire are applied high voltage, and this voltage is applied to two of led light source and causes LED flicker or damage most probably.
Summary of the invention
Based on this, be necessary to provide a kind of LED light fixture with high voltage endurance capability.
A kind of LED light fixture, it comprises aluminium base and is fixed on led light source and the shell that links to each other with the aluminium base back side on the aluminium base, is connected with driver for isolating between the power input of described led light source and LED light fixture.The cathode output end of described driver for isolating and described shell electrically connect.
Concrete, the radiator that comprise multi-disc radiating fin of described shell for extending from the aluminium base back side.Preferably, described radiator is that one is connected with aluminium base.
The output negative pole of the internal insulation power supply of LED light fixture of the present utility model is connected with shell, equivalent capacity between short circuit aluminium base and the light source effectively, all high pressure all put on inner LED driving power when Hi-pot test, so can effectively avoid high pressure to the infringement of led light source.
Description of drawings
Fig. 1 is the electrical block diagram of the LED light fixture of an embodiment.
Fig. 2 is the Hi-pot test equivalent circuit diagram of the LED light fixture of Fig. 1.
The specific embodiment
Below in conjunction with specific embodiment and accompanying drawing the utility model LED light fixture is described in further detail.
As shown in Figure 1, among the embodiment, LED light fixture of the present utility model mainly comprises aluminium base 10 and is fixed on led light source 11 and the shell 12 that links to each other with aluminium base 10 back sides on the aluminium base 10.Also be connected with driver for isolating 13 between the power input of led light source 11 and LED light fixture.The cathode output end 14 of driver for isolating 13 electrically connects with shell 12.Wherein, the radiator of shell 12 for extending from aluminium base 10 back side one.Radiator comprises the multi-disc radiating fin.Among other embodiment, radiator can be independent component, sticks in the aluminium base back side.
The Hi-pot test isoboles of the utility model LED light fixture is seen Fig. 2, and wherein C1 is the equivalent capacity of driver for isolating 13, and C2 is the equivalent capacity of aluminium base and light source.After connecting output negative pole and shell, the equivalent capacity between short circuit aluminium base and the light source effectively, all high pressure all put on inner LED driver for isolating 13 when Hi-pot test, so can effectively avoid high pressure to the infringement of led light source 11.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (3)
1. LED light fixture, it comprises aluminium base and is fixed on led light source and the shell that links to each other with the aluminium base back side on the aluminium base, is connected with driver for isolating between the power input of described led light source and LED light fixture; It is characterized in that the cathode output end of described driver for isolating and described shell electrically connect.
2. LED light fixture according to claim 1 is characterized in that, the radiator that comprise multi-disc radiating fin of described shell for extending from the aluminium base back side.
3. LED light fixture according to claim 2 is characterized in that, described radiator is that one is connected with aluminium base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207399803U CN203115554U (en) | 2012-12-30 | 2012-12-30 | LED (light-emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207399803U CN203115554U (en) | 2012-12-30 | 2012-12-30 | LED (light-emitting diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203115554U true CN203115554U (en) | 2013-08-07 |
Family
ID=48895899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207399803U Expired - Fee Related CN203115554U (en) | 2012-12-30 | 2012-12-30 | LED (light-emitting diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203115554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019120246A1 (en) * | 2017-12-20 | 2019-06-27 | 欧普照明股份有限公司 | Light source substrate assembly, light source module, and illumination device |
-
2012
- 2012-12-30 CN CN2012207399803U patent/CN203115554U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019120246A1 (en) * | 2017-12-20 | 2019-06-27 | 欧普照明股份有限公司 | Light source substrate assembly, light source module, and illumination device |
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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: 20130807 Termination date: 20211230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |