CN202511045U - Light emitting diode (LED) lamp - Google Patents
Light emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN202511045U CN202511045U CN2012200680247U CN201220068024U CN202511045U CN 202511045 U CN202511045 U CN 202511045U CN 2012200680247 U CN2012200680247 U CN 2012200680247U CN 201220068024 U CN201220068024 U CN 201220068024U CN 202511045 U CN202511045 U CN 202511045U
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- Prior art keywords
- led
- drive circuit
- circuit group
- substrate
- lamp
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a light emitting diode (LED) lamp, which comprises a lamp shell, a lamp shade covering the lamp shell, and a substrate, wherein the substrate is provided with a drive circuit group and a plurality of LED chips; the drive circuit group is electrically connected with the LED chips; and the LED chips are high voltage direct current LEDs; the LED chips are mutually connected in series, and one LED chip is electrically connected with the drive circuit group; the drive circuit group is positioned in the center of the substrate, and the LED chips are arranged and distributed around the central circumference of the substrate. The rated operational voltage of the high voltage direct current LEDs is between 10 V and 300 V. The rated operational current of the high voltage direct current LEDs is between 10 mA and 100 mA. The drive circuit group comprises an alternating current and direct current (AC)/(DC) conversion module. Due to adoption of the structure, the LED lamp has the advantages of 1, small heat dissipating capacity, small size, and extremely low production cost; and 2, simplicity in replacement and high utilization rate.
Description
Technical field
the utility model relates to a kind of LED lamp.
Background technology
(Light Emitting Diode), light emitting diode is a kind of solid-state semiconductor devices, it can directly be converted into light to electricity.The needed electric current of LED is the DC current of steady, and general external power supply all adopts alternating current, so also must be provided with the drive circuit group of an AC-DC in the LED lamp.
LED lamp of the prior art adopts traditional led chip, and the rated voltage of traditional single led chip is between 3～3.3V, and rated current is about 20mA; Because single traditional led chip rated voltage is not enough; So adopt the many modes also of many strings, and a plurality of led chips make the electric current of this circuit also be superimposed to very high scope, electric current is generally in the scope of 150mA～1500mA; Because electric current is excessive, according to P=I
2
R, when input current is excessive, led chip and drive circuit group will produce great amount of heat.
this moment if with the drive circuit group when led chip is crossed near or the drive circuit group is arranged on the substrate of led chip; The heat that heat that the drive circuit group produces and led chip produce will form stack; Heat is too concentrated and is caused heat radiation bad, just causes damage of product most probably.
therefore shown in accompanying drawing 4 and accompanying drawing 5, traditional LED lamp all separates setting with the drive circuit group with led chip.If but when the drive circuit group was arranged on led chip position relatively far away, one to come the size of this LED lamp to be certain to the phase strain big, two come the production cost of this LED lamp also can correspondingly to increase.
Summary of the invention
to the problems referred to above, the main purpose of the utility model provides a kind of LED lamp, and the heat that distributes when being used to reduce this LED lamp work is to be arranged on the drive circuit group substrate of led chip.
are in order to solve an above-mentioned difficult problem; The scheme that the utility model is taked is: a kind of LED lamp; It comprises lamp housing, covers on lampshade, substrate, drive circuit group on the lamp housing; Said substrate is provided with drive circuit group and led chip, and said drive circuit group is electrically connected with said led chip mutually, and said led chip is HVDC LED.
preferably, it comprises a plurality of led chips, series connection each other between a plurality of led chips, and one of them led chip is electrically connected with said drive circuit group mutually.
preferably, said drive circuit group is positioned at the center of substrate, and a plurality of led chips are arranged around the center circumferential of substrate.
preferably, the rated operational voltage of said HVDC LED is between 10V～300V.
preferably, the rated operational current of said HVDC LED is between 10mA～100mA.
preferably, said drive circuit group comprises an AC/DC conversion module.
preferably, said led chip and said drive circuit group are arranged on the upper side that substrate is positioned at lampshade.
preferably, said led chip is arranged on the upper side that substrate is positioned at lampshade, said drive circuit group is arranged on substrate and is positioned on the outer downside of lampshade, substrate is a double face copper.
HVDC LED in the utility model, has been adopted in
.HVDC LED is a kind of high-capacity LED, is that LED manufacturer provides a kind of low-power LED that connects with integrated high-power LED chip, and it is a kind of in the integrated LED.And with regard to primary clustering high power white light LED technology, the basic door of HVDC LED luminous efficiency requires to reach 100 lm/W.
Low-voltage LED is compared in
, and HVDC LED has two big obviously competitive advantages: the first, and under same power output, the required drive current of HVDC LED is significantly less than low-voltage LED.The second, HVDC LED can significantly reduce the loss of AC-DC conversion efficiency, and circuit design is simpler and easy.HVDC LED can bring effective reduction of LED lighting cost and weight, but its prior meaning is the designing requirement that has significantly reduced cooling system.
The utility model adopts above structure, has the following advantages:
1, the lamp housing design is easier to the product miniaturization;
2, save the cost that the drive circuit group independently is provided with;
3, save material and man-hour that led chip is connected with the drive circuit group.
Description of drawings
accompanying drawing 1 is the front view of first embodiment of the utility model.
accompanying drawing 2 is the vertical view of first embodiment of the utility model.
accompanying drawing 3 is the front view of second embodiment of the utility model.
accompanying drawing 4 is a front view of the prior art.
accompanying drawing 5 is a vertical view of the prior art.
In
accompanying drawing: 1, lamp housing; 2, lampshade; 3, substrate; 4, drive circuit group; 5, led chip.
The specific embodiment
Set forth the preferred embodiment of the utility model below in conjunction with accompanying drawing 1-5 in detail
; Thereby the protection domain of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to those skilled in the art will recognize that.
A kind of LED lamp in
the utility model; It comprises lamp housing 1, covers on lampshade 2, substrate 3 on the lamp housing 1; Said substrate 3 is provided with drive circuit group 4 and led chip 5; Said drive circuit group 4 is electrically connected with said led chip 5 mutually, and said led chip 5 is HVDC LED.
Owing to adopted HVDC LED, the heat that led chip 5 sends is less, can not have influence on drive circuit group 4, so drive circuit group 4 can be arranged on the substrate 3 equally
.
First embodiment of
the utility model is as attaching shown in Fig. 1 and 2, a kind of LED lamp, and it comprises lamp housing 1, covers on lampshade 2, substrate 3, drive circuit group 4, led chip 5 on the lamp housing 1.Led chip 5 and drive circuit group 4 are arranged on the upper side that substrate 3 is positioned at lampshade 2.Drive circuit group 4 is arranged on the center of substrate 3, comprises the AC/DC conversion module in the drive circuit group 4, and this conversion module is transformed to external AC power the DC current of the steady that is applicable to led chip 5.Led chip 5 adopts three HVDC LED to be in series, and one of them HVDC LED links to each other with drive circuit group 4, and its nominal operation power supply is 20V, and rated current is at 10mA～100mA.Three HVDC LED arrange around drive circuit group 4 uniform circumference.This kind structure has been practiced thrift size more, and the heat that has also satisfied all even substrate 3 of illumination simultaneously is even.
Second embodiment of
the utility model shown in accompanying drawing 3, a kind of LED lamp, it comprises lamp housing 1, covers on lampshade 2, substrate 3, drive circuit group 4, led chip 5 on the lamp housing 1.Led chip 5 is arranged on the upper side that substrate 3 is positioned at lampshade 2, and said drive circuit group 4 is arranged on substrate 3 and is positioned on the outer downside of lampshade 2, and said substrate 3 is a double face copper.Drive circuit group 4 is arranged on the center of substrate 3, comprises the AC/DC conversion module in the drive circuit group 4, and this conversion module is transformed to external AC power the DC current of the steady that is applicable to led chip 5.Led chip 5 adopts three HVDC LED to be in series, and one of them HVDC LED links to each other with drive circuit group 4, and its nominal operation power supply is 10V～300V, and rated current is at 10mA～100mA.Three HVDC LED arrange around drive circuit group 4 uniform circumference.This kind structure has been practiced thrift size more, and the heat that has also satisfied all even substrate 3 of illumination simultaneously is even.
The utility model adopts above structure, has the following advantages:
1, lamp housing 1 design is easier to the product miniaturization;
2, save the drive circuit group 4 independent costs that are provided with;
3, save material and man-hour that led chip 5 is connected with drive circuit group 4.
the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (8)
1. LED lamp, it comprises lamp housing, covers on lampshade, substrate on the lamp housing, and it is characterized in that: said substrate is provided with drive circuit group and led chip, and said drive circuit group is electrically connected with said led chip mutually, and said led chip is HVDC LED.
2. LED lamp according to claim 1 is characterized in that: it comprises a plurality of led chips, series connection each other between a plurality of led chips, and one of them led chip is electrically connected with said drive circuit group mutually.
3. LED lamp according to claim 2 is characterized in that: said drive circuit group is positioned at the center of substrate, and a plurality of led chips are arranged around the center circumferential of substrate.
4. LED lamp according to claim 1 is characterized in that: the rated operational voltage of said HVDC LED is between 10V～300V.
5. LED lamp according to claim 1 is characterized in that: the rated operational current of said HVDC LED is between 10mA～100mA.
6. LED lamp according to claim 1 is characterized in that: said drive circuit group comprises an AC/DC conversion module.
7. LED lamp according to claim 1 is characterized in that: said led chip and said drive circuit group are arranged on the upper side that substrate is positioned at lampshade.
8. LED lamp according to claim 1 is characterized in that: said led chip is arranged on the upper side that substrate is positioned at lampshade, and said drive circuit group is arranged on substrate and is positioned on the outer downside of lampshade, and said substrate is a double face copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200680247U CN202511045U (en) | 2012-02-28 | 2012-02-28 | Light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200680247U CN202511045U (en) | 2012-02-28 | 2012-02-28 | Light emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202511045U true CN202511045U (en) | 2012-10-31 |
Family
ID=47063531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200680247U Expired - Fee Related CN202511045U (en) | 2012-02-28 | 2012-02-28 | Light emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202511045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676531A (en) * | 2013-11-27 | 2015-06-03 | 镇江胡氏光电科技有限公司 | LED (Light Emitting Diode) lamp |
-
2012
- 2012-02-28 CN CN2012200680247U patent/CN202511045U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676531A (en) * | 2013-11-27 | 2015-06-03 | 镇江胡氏光电科技有限公司 | LED (Light Emitting Diode) lamp |
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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: 20121031 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |