CN201547573U - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN201547573U CN201547573U CN2009202661677U CN200920266167U CN201547573U CN 201547573 U CN201547573 U CN 201547573U CN 2009202661677 U CN2009202661677 U CN 2009202661677U CN 200920266167 U CN200920266167 U CN 200920266167U CN 201547573 U CN201547573 U CN 201547573U
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- CN
- China
- Prior art keywords
- metal
- led lamp
- housing
- led chip
- support substrate
- 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
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED lamp, including an LED chip, a base and a housing, wherein the base is connected on the bottom of the housing; the housing comprises a metal-supported substrate; the LED chip is installed on the metal-supported substrate; a plurality of radial metal radiating fins are arranged on the periphery of the metal-supported substrate; a housing chamber is formed on the inner side of the metal radiating fin; and the housing chamber is provided with a reflection cup body allowing a light source to irradiate outwards. The LED lamp follows the limited volume of the conventional halogen tungsten lamp, and performs a reasonable distribution on the heat radiation structure so as to increase one time of the heat radiation area and achieve a good heat radiation effect; and the LED lamp has unique appearance, substrates the LED chip for the conventional light source, guarantees the lighting effect, effectively saves energy and is an ideal substitute for the conventional halogen tungsten lamp.
Description
Technical field
The utility model relates to a kind of lighting, particularly a kind of LED lamp.
Background technology
Traditional aluminium matter halogen spot light comprises pedestal, metal shell, and the metal shell inner surface is designed to parabolic surface, and its outer surface also is smooth sphere, and pedestal is installed on the metal shell outer surface, and luminous tungsten filament is installed in the metal shell.This shot-light utilizes the principle of halogen tungsten circulation to make the halide in the interior blanketing gas of housing be in gaseous state, so the enclosure interior temperature is higher, and correspondingly, the lamp housing size is just little.The structural design of this halogen tungsten lamp is unreasonable, because the Lamp cup volume causes the heat in the housing to distribute for a short time, reduced the service life of shot-light, and its contour structures seems dull, in addition, adopt the method for traditional filament energising heating to cause the light fixture consumption of electric power bigger, cause the waste of the energy easily.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide the LED lamp of a kind of efficient energy-saving, good heat dissipation effect.
The utility model is that the technical scheme that solves the problems of the technologies described above employing is:
A kind of LED lamp, comprise led chip, pedestal and housing, described pedestal is connected the bottom of housing, described housing includes metal support substrate, led chip is installed on the metal support substrate, oriented extraradial several metal fins of the outer periphery of described metal support substrate, the inboard of metal fin is formed with the housing cavity, and the housing cavity is provided with for the reflective cup of light source toward external exposure.
As the further improvement of such scheme, described metal fin and metal support substrate are integrated.
The beneficial effects of the utility model are: adopt led chip to replace traditional filament luminous, can in the Lamp cup of limited bulk, use the led chip of lower-wattage and make shot-light have good luminous effect, not only save the energy, and environmental protection, can prolong the service life of LED lamp; The setting of metal fin remains unchanged the volume of Lamp cup, but has increased the area of dissipation of Lamp cup, make it to have better heat radiating effect, and external structure is more neat; The reflector physical efficiency is further improved the illumination effect of LED lamp; In addition, add and utilize man-hour metal support substrate and the one-body molded heat that led chip is given out of metal fin to conduct to fin, thereby can better heat be distributed by metal support substrate.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a cutaway view of the present utility model;
Fig. 2 is a decomposing schematic representation of the present utility model.
The specific embodiment
See figures.1.and.2, LED lamp of the present utility model, comprise led chip 1, pedestal 2 and housing 3, described pedestal 2 is connected the bottom of housing 3, described housing 3 includes metal support substrate 30, and led chip 1 is installed on the metal support substrate 30, oriented extraradial several metal fins 5 of the outer periphery of described metal support substrate 30, the inboard of metal fin 5 is formed with housing cavity 50, and housing cavity 50 is provided with for the reflective cup 6 of light source toward external exposure.This LED lamp is changed traditional halogen tungsten lamp light source, and integrated LED chip 1 is installed on the metal support substrate 30 in housing 3, makes power have only the LED of 10W just can substitute the conventional light source of 75w, has same illumination effect simultaneously, and energy-saving effect is remarkable; Being provided with of metal fin 5 increased the contact area of housing 3 with air, help heat radiation, can prolong the service life of light fixture, and outward appearance is relatively unique, overcome the single shortcoming of conventional lights profile, the reflective cup of installing on the housing cavity 50 6 can further improve the radiation response of LED lamp.Experimental result proves, LED lamp of the present utility model in use, even under 40 ℃ of environment temperatures, the temperature of Lamp cup also is no more than 60 ℃, the heat that led chip 1 produces can dissipate at once, has better heat radiating effect, thereby has improved the service life of LED lamp.
Further, described metal fin 5 is integrated with metal support substrate 30.The design has continued to use the limited bulk of traditional halogen tungsten lamp, add man-hour can be on metal support substrate 30 integrally formed metal fin 5, not only can simplified processing process, and on radiator structure, done rational distribution, the heat that metal support substrate 30 can send led chip 1 effectively conducts to metal fin 5, metal fin 5 makes the area of dissipation of housing 3 increase by one times, thereby has increased the contact area of housing 3 with air, makes it to have better radiating effect.
Further, described metal support substrate 30 is extended with metal base ring 4 downwards with metal fin 5.Metal base ring 4 the area of dissipation that can further increase housing 3 is set.
Further, the inboard of described pedestal 2 socket metal base rings 4.Pedestal 2 is installed in the inboard of metal base ring 4, metal base ring 4 is contacted with extraneous air, help the heat transferred extraneous air, thereby reach better radiating effect.
As preferred embodiment, described reflective cup 6 is for being socketed in the reflection shield of metal fin 5 inboards.Simultaneously, reflective cup 6 also can form wall of cup adding the inner seal of man-hour at metal fin 5 by metal fin 5, and then scribbles reflecting coating form on the madial wall of wall of cup.
In the described pedestal 2 driver circuit plate 20 is installed, described driver circuit plate 20 is electrically connected with led chip 1.Led chip 1 is carried out constant current drive, the brightness that not only can keep led chip 1, and can protect the LED lamp to prolong its service life; In addition, the structure of this kind driving and the lamp integrated design of LED makes whole LED lamp profile smoothness, whole better appearance.
Further, described reflection shield is connected on the described metal fin 5 by the engaging position 7 that described metal fin 5 tops cave inward.Adopt reflection shield 6 that light is concentrated, can more effective reduction light loss, improve the illumination effect of LED lamp, the structure that the top of described reflection shield 6 and metal fin 5 fastens makes housing 3 and reflection shield effectively be combined into an integral body, connect more firm, also easy disassembly simultaneously.
In addition, can adopt ceramic fixed pedestal 8 that led chip 1 is fixedly mounted on the metal support substrate 30.Utilize the characteristic such as high temperature resistant, corrosion-resistant and wear-resistant of pottery, led chip 1 is fixed in the housing better, the installation of led chip 1 and change and also become more convenient.In addition, also can adopt the bottom fixed installation binding post 22 of screw pedestal 2, the LED lamp can be installed on various device and place flexibly by binding post 22, thereby enlarge the scope of application of the present utility model effectively.
In a word, LED lamp of the present utility model and traditional halogen tungsten lamp outward appearance, volume similarity are very high, use the LED of lower-wattage to substitute conventional light source and can have same illumination effect, and energy-saving effect is remarkable, and the effect with good heat radiation is the ideal substitute of conventional light source.
The utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (7)
1. LED lamp, comprise led chip (1), pedestal (2) and housing (3), described pedestal (2) is connected the bottom of housing (3), it is characterized in that: described housing (3) includes metal support substrate (30), led chip (1) is installed on the metal support substrate (30), oriented extraradial several metal fins of the outer periphery of described metal support substrate (30) (5), the inboard of metal fin (5) is formed with housing cavity (50), and housing cavity (50) is provided with for the reflective cup (6) of light source toward external exposure.
2. LED lamp according to claim 1 is characterized in that: described metal fin (5) is integrated with metal support substrate (30).
3. LED lamp according to claim 1 is characterized in that: described metal support substrate (30) is extended with metal base ring (4) downwards with metal fin (5).
4. LED lamp according to claim 2 is characterized in that: the inboard of described pedestal (2) socket metal base ring (4).
5. LED lamp according to claim 1 is characterized in that: described reflective cup (6) is for being socketed in the inboard reflection shield of metal fin (5).
6. LED lamp according to claim 1 is characterized in that: driver circuit plate (20) is installed in the described pedestal (2), and described driver circuit plate (20) is electrically connected with led chip (1).
7. LED lamp according to claim 5 is characterized in that: described reflection shield is connected on the described metal fin (5) by the engaging position (7) that described metal fin (5) top caves inward.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202661677U CN201547573U (en) | 2009-10-29 | 2009-10-29 | LED lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202661677U CN201547573U (en) | 2009-10-29 | 2009-10-29 | LED lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201547573U true CN201547573U (en) | 2010-08-11 |
Family
ID=42602747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009202661677U Expired - Fee Related CN201547573U (en) | 2009-10-29 | 2009-10-29 | LED lamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201547573U (en) |
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2009
- 2009-10-29 CN CN2009202661677U patent/CN201547573U/en not_active Expired - Fee Related
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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: 20100811 Termination date: 20121029 |