CN203215321U - Light-emitting diode (LED) lamp bulb - Google Patents
Light-emitting diode (LED) lamp bulb Download PDFInfo
- Publication number
- CN203215321U CN203215321U CN2013200889435U CN201320088943U CN203215321U CN 203215321 U CN203215321 U CN 203215321U CN 2013200889435 U CN2013200889435 U CN 2013200889435U CN 201320088943 U CN201320088943 U CN 201320088943U CN 203215321 U CN203215321 U CN 203215321U
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- CN
- China
- Prior art keywords
- led
- lamppost
- nontransparent
- bulb
- base plate
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
A light-emitting diode (LED) lamp bulb comprises a connector, an LED driver, a lamp bulb cover and a heat-radiating ring. The upper end of the heat-radiating ring is connected with the connector, the lower end of the heat-radiating ring is connected with the lamp bulb cover, the LED driver is installed inside the heat-radiating ring, and a base plate with high heat-conducting performance is installed inside the lower end of the heat-radiating ring. A light reflecting layer is arranged on the bottom face of the base plate, a non-transparent lamp post with high heat-conducting performance is installed on the bottom face of the base plate, a second reflecting layer is arranged on the outer surface of the non-transparent lamp post, a 4pai LED lamp is installed on the outer surface of the non-transparent lamp post, and the LED driver is electrically connected with the 4pai LED lamp. The light emergence rate of the LED lamp bulb is improved, and the heat-radiating performance of the LED lamp bulb is enhanced.
Description
Technical field
The utility model relates to a kind of LED bulb.
Background technology
Existing LED bulb, usually in substrate bottom surface led chip is installed, the LED substrate adopts the good material of heat conductivility usually, described substrate is provided with electric power connection interface, described electric power connection interface is electrically connected with electric power connection line, and described substrate is provided with printed circuit, a plurality of led chips of arranged on the described substrate, described led chip comprises current-limiting resistance and voltage-stablizer, and described current-limiting resistance all is connected with described printed circuit with voltage-stablizer.
Because the light that sends of led chip is dispersed downwards, its range of exposures be substrate with the lower part, namely realize 2 π bright dippings, part light shines the bottom surface of substrate, has reduced the light emission rate of led light source, in addition, arranges because whole base plate is the plane, heat dispersion is relatively poor.
The utility model content
In order to overcome the deficiency that light emission rate is lower, heat dispersion is relatively poor of existing LED lamp, the utility model provides a kind of LED bulb that promotes light emission rate, strengthens heat dispersion.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of LED bulb, comprise joint, led driver and bulb shield, described LED bulb also comprises heat dissipating ring, the upper end of described heat dissipating ring is connected with described joint, the lower end of described heat dissipating ring is connected with described bulb shield, led driver is installed in the inside of described heat dissipating ring, the inner base plate that high thermal conductivity is installed in the lower end of described heat dissipating ring, the bottom surface of described base plate arranges first reflector layer, the nontransparent lamppost of high thermal conductivity is installed in the bottom surface of described base plate, the outer surface of described nontransparent lamppost arranges second reflector layer, and described 4 π LED lamps are installed on the outer surface of described nontransparent lamppost, and described led driver is electrically connected with described 4 π LED lamps.
Further, described 4 π LED lamps are 4 π LED lamp bars, and described 4 π LED lamp bars comprise a plurality of led chips of series connection successively.
Or described 4 π LED lamps are the LED lamp pearl that is arranged in arrays.
Further, described 4 π LED lamp bars have at least two.Can arrange 4 π LED lamp bars at the outer surface of described nontransparent lamppost, also can arrange 4 π LED lamp bars more than two or two, 4 π LED lamp bars can uniformly-spaced be arranged more than two or two, arrange according to actual needs.
Described 4 π LED lamp bars arrange from top to bottom that along nontransparent lamppost described 4 π LED lamp bars are provided with overhanging section that stretches out described nontransparent lamppost bottom surface downwards.Described overhanging section length accounts for the ratio of the length of whole lamp bar and can set as required.
Described base plate and described nontransparent lamppost are one.Certainly, also can select the split connected mode for use; For the structure that is one, more be conducive to heat radiation, namely described 4 π LED lamps outwards dispel the heat by nontransparent lamppost, base plate and heat dissipating ring.
The bottom transverse section ratio top cross section of described nontransparent lamppost is little.Certainly, also can adopt prismatic version, perhaps adopt the big version of bottom transverse section ratio top cross section.
The cross section of described nontransparent lamppost is rounded, square, rhombus or ellipse.Certainly, also can adopt other shapes.
The beneficial effects of the utility model mainly show: improve light utilization efficiency, promote heat dispersion.
Description of drawings
Fig. 1 is the schematic diagram of 4 π light extracting LED ball bulbs.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1, a kind of LED bulb, comprise joint 1, led driver 2 and bulb shield 3, described LED bulb also comprises heat dissipating ring 4, the upper end of described heat dissipating ring 4 is connected with described joint 1, led driver 2 is installed in the inside of described heat dissipating ring 4, the inner base plate 5 that high thermal conductivity is installed in the lower end of described heat dissipating ring 4, the bottom surface of described base plate 5 arranges first reflector layer, the nontransparent lamppost 6 of high thermal conductivity is installed in the bottom surface of described base plate 5, the outer surface of described nontransparent lamppost 6 arranges second reflector layer, and described 4 π LED lamps 7 are installed on the outer surface of described nontransparent lamppost 6, and described led driver 2 is electrically connected with described 4 π LED lamps 7.
Further, described 4 π LED lamps 7 are 4 π LED lamp bars, and described 4 π LED lamp bars comprise a plurality of led chips of series connection successively.
Or described 4 π LED lamps 7 are for being the LED lamp pearl of arranged in arrays.
Further, described 4 π LED lamp bars 7 have at least two.Can arrange 4 π LED lamp bars at the outer surface of described nontransparent lamppost, also can arrange 4 π LED lamp bars more than two or two, 4 π LED lamp bars can uniformly-spaced be arranged more than two or two, arrange according to actual needs.
Described 4 π LED lamp bars 7 are provided with nontransparent lamppost and arrange from top to bottom, and described 4 π LED lamp bars are provided with overhanging section that stretches out described nontransparent lamppost bottom surface downwards.Described overhanging section length accounts for the ratio of the length of whole lamp bar and can set as required.
Described base plate and described nontransparent lamppost are one.Certainly, also can select the split connected mode for use; For the structure that is one, more be conducive to heat radiation, namely described 4 π LED lamps outwards dispel the heat by nontransparent lamppost, base plate and heat dissipating ring.
The bottom transverse section ratio top cross section of described nontransparent lamppost 6 is little.Certainly, also can adopt prismatic version, perhaps adopt the big version of bottom transverse section ratio top cross section.
The cross section of described nontransparent lamppost 6 is rounded, square, rhombus or ellipse.Certainly, also can adopt other shapes.
The nontransparent lamppost of high thermal conductivity is installed in the bottom surface of described base plate, and its mounting means can adopt fixture commonly used to install or other mounting means.
The described content of the embodiment of this specification only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (6)
1. LED bulb, comprise joint, led driver and bulb shield, described LED bulb also comprises heat dissipating ring, the upper end of described heat dissipating ring is connected with described joint, the lower end of described heat dissipating ring is connected with described bulb shield, led driver is installed in the inside of described heat dissipating ring, it is characterized in that: the inner base plate that high thermal conductivity is installed in the lower end of described heat dissipating ring, the bottom surface of described base plate arranges first reflector layer, the nontransparent lamppost of high thermal conductivity is installed in the bottom surface of described base plate, the outer surface of described nontransparent lamppost arranges second reflector layer, and 4 π LED lamps are installed on the outer surface of described nontransparent lamppost, and described led driver is electrically connected with described 4 π LED lamps.
2. LED bulb as claimed in claim 1, it is characterized in that: described 4 π LED lamps are 4 π LED lamp bars, described 4 π LED lamp bars comprise a plurality of led chips of series connection successively.
3. LED bulb as claimed in claim 1, it is characterized in that: described 4 π LED lamps are the LED lamp pearl that is arranged in arrays.
4. LED bulb as claimed in claim 2, it is characterized in that: described 4 π LED lamp bars have at least two.
5. as claim 2 or 4 described LED bulbs, it is characterized in that: described 4 π LED lamp bars are provided with along nontransparent lamppost to be arranged from top to bottom, and described 4 π LED lamp bars are provided with overhanging section that stretches out described nontransparent lamppost bottom surface downwards.
6. as the described LED bulb of one of claim 1 ~ 4, it is characterized in that: described base plate and described nontransparent lamppost are one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200889435U CN203215321U (en) | 2013-02-27 | 2013-02-27 | Light-emitting diode (LED) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200889435U CN203215321U (en) | 2013-02-27 | 2013-02-27 | Light-emitting diode (LED) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203215321U true CN203215321U (en) | 2013-09-25 |
Family
ID=49204857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200889435U Expired - Fee Related CN203215321U (en) | 2013-02-27 | 2013-02-27 | Light-emitting diode (LED) lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203215321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162135A (en) * | 2013-02-27 | 2013-06-19 | 朱婉露 | Light-emitting diode (LED) lamp bulb |
| CN104728626A (en) * | 2013-12-24 | 2015-06-24 | 苏睿 | LED lamp |
-
2013
- 2013-02-27 CN CN2013200889435U patent/CN203215321U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162135A (en) * | 2013-02-27 | 2013-06-19 | 朱婉露 | Light-emitting diode (LED) lamp bulb |
| CN104728626A (en) * | 2013-12-24 | 2015-06-24 | 苏睿 | LED 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: 20130925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |