CN204986453U - COB light source bulb - Google Patents
COB light source bulb Download PDFInfo
- Publication number
- CN204986453U CN204986453U CN201520637791.9U CN201520637791U CN204986453U CN 204986453 U CN204986453 U CN 204986453U CN 201520637791 U CN201520637791 U CN 201520637791U CN 204986453 U CN204986453 U CN 204986453U
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- CN
- China
- Prior art keywords
- shell
- led
- printing opacity
- light source
- source bulb
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a COB light source bulb, including printing opacity cell -shell, printing opacity shell and LED photo engine, the LED photo engine includes the printing opacity base plate, it has the bleeder vent to open on the printing opacity base plate, the upper portion at the printing opacity shell is fixed to the LED photo engine, the printing opacity cell -shell also with the upper portion fixed connection of printing opacity shell, the lower part and the lamp holder fixed connection of printing opacity cell -shell, the LED photo engine is connected with the lamp holder electricity, the equipartition has a plurality of ventilative grooves on the printing opacity shell. The utility model has the advantages that: because cell -shell, shell and base plate all are non -light tight, so the illumination of full circumference can be realized to this bulb, utilize the bleeder vent of base plate and the ventilative groove on the support to realize convection, guarantee that LED luminous element effectively dispels the heat, promoted LED's life.
Description
Technical field
The utility model relates to a kind of COB light source bulb.
Background technology
As everyone knows, LED (Light-EmittingDiode, light emitting diode) has long service life, the advantages such as energy consumption is low, and luminous efficiency is high, energy-conserving and environment-protective, and security reliability is strong; LED has applied in all kinds of illumination and daily life widely as light source.Such as, some producer designs and manufactures a kind of LED bulb that can be directly installed in common bulb socket, replaces original osram lamp.
Existing LEDCOB bulb lamp is primarily of driving power, radiator, lamp holder, lampshade, COB composition, owing to producing a large amount of heat when LED works, generally that COB is connected by heat-conducting glue the object that radiator reaches heat radiation, add that a lot of radiator is in order to consider that cost does not use the aluminum component that thermal conductivity is higher at present, and select the materials such as heat-conducting plastic, the thermal resistance of this heat dissipation technology is higher, unfavorable LED light source heat radiation, and the weight and volume of this heat abstractor is larger.
Utility model content
The purpose of this utility model is to provide a kind of COB light source bulb, effectively can solve the problem that existing COB light source bulb heat radiation is bad.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of COB light source bulb, comprise printing opacity cell-shell, light transmitting shell and LED light engine, described LED light engine comprises transparent substrates, described transparent substrates has air-vent, described LED light engine is fixed on the top of light transmitting shell, described printing opacity cell-shell is also fixedly connected with the top of light transmitting shell, the bottom of described printing opacity cell-shell is fixedly connected with lamp holder, LED light engine is electrically connected with lamp holder, and described light transmitting shell is evenly equipped with some ventilating grooves.
Preferably, the longitudinal section of described ventilating groove is wicker leaf shape or rectangle; Wicker leaf shape can ensure that light transmitting shell also has enough support strengths while having fine air permeability, uses rectangle ventilating groove also to have that effect.
Preferably, described LED light engine is fixed in light transmitting shell by buckle or bonding mode; Facilitate the installation of LED light engine, be conducive to improving manufacture efficiency.
Preferably, described LED light engine also comprises driving chip and LED luminescence chip, and transparency carrier is covered with printed wire, described printed wire is packaged with driving chip and LED luminescence chip; Ensure that light transmittance improves integrated level.
Optionally, described LED light engine also comprises driving chip and LED luminescence chip, driving chip and LED luminescence chip on the transparent substrate bonding, connected by metal wire between driving chip and LED luminescence chip; Another kind of driving chip and LED luminescence chip connected mode, effectively can improve integrated level equally.
Preferably, the outer wall of described transmissive bulb bottom is provided with the draw-in groove of annular, and the top of described light transmitting shell is provided with the suitable elastic fastening hook of at least one and draw-in groove; Printing opacity cell-shell and light transmitting shell can be linked together closely, facilitate both assemblings simultaneously.
Compared with prior art, the utility model has the advantages that: because cell-shell, shell and substrate are all printing opacities, so this bulb can realize all-round to illumination, the ventilating groove on the air-vent of substrate and support is utilized to realize heat loss through convection, ensure LED illuminator efficiently radiates heat, improve the service life of LED.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of COB light source bulb of the utility model.
Detailed description of the invention
Consult the embodiment that Fig. 1 is a kind of COB light source bulb of the utility model, a kind of COB light source bulb, comprise printing opacity cell-shell 1, light transmitting shell 3 and LED light engine 2, the PC plastics that printing opacity cell-shell 1 adopts light transmittance higher, the manufacture of Glass lamp material, printing opacity cell-shell 1 can be frosted, milky white, colored, lens class, light transmitting shell 3 can adopt plastic production, and described LED light engine 2 comprises transparent substrates, and the transparent substrates of LED light engine 2 can be that the materials such as glass, crystalline ceramics, sapphire are made.
Described transparent substrates has air-vent 10, described LED light engine 2 is fixed by snap in light transmitting shell 3, some kellies can be set on light transmitting shell 3 end face, as long as LED light engine 2 be entrapped between kelly during installation, or glue is used LED light engine 2 to be bonded on light transmitting shell 3 end face.
Described LED light engine 2 also comprises driving chip and LED luminescence chip, transparency carrier is covered with printed wire, described printed wire is packaged with driving chip and LED luminescence chip, driving chip and substrate back side corresponding to LED luminescence chip are covered with the fluorescent glue of different proportion mixed preparing, improve illumination rate, driving chip surface is covered with high-heat-conductivity glue body and is convenient to heat radiation.Or can not use printed wire, be connected by driving chip by metal wire with LED luminescence chip, LED luminescence chip can be flip-chip or transparent chips or positive cartridge chip.
The outer wall of described transmissive bulb bottom is provided with the draw-in groove 8 of annular, the top of described light transmitting shell 3 is provided with the suitable elastic fastening hook 9 of at least one and draw-in groove 8, the bottom of described printing opacity cell-shell 1 is fixedly connected with lamp holder 7, the AC electrode 6 of LED light engine 2 is electrically connected with lamp holder 7 by wire 5, described light transmitting shell 3 is evenly equipped with some ventilating grooves 4, and the longitudinal section of described ventilating groove 4 is wicker leaf shape or rectangle.
Electric current is delivered to LED light engine 2 from lamp holder 7 by wire 5, make the emitting led flip-chip light emitting in LED light engine 2, because shell and substrate all adopt light-transmitting materials manufacture, so when LED light engine 2 is luminous, can realize all-round to illumination range cover, greatly improve illumination coverage, the transparent substrates of this device is provided with air-vent 10 in addition, light transmitting shell 3 is also evenly equipped with ventilating groove 4, good result of ventilating heat dissipation can be realized, effectively ensure that radiating requirements, improve service life and the lux maintenance of LED.
The foregoing is only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (6)
1. a COB light source bulb, comprise printing opacity cell-shell (1), it is characterized in that: also comprise light transmitting shell (3) and LED light engine (2), described LED light engine (2) comprises transparent substrates, described transparent substrates has air-vent (10), described LED light engine (2) is fixed on the top of light transmitting shell (3), described printing opacity cell-shell (1) is also fixedly connected with the top of light transmitting shell (3), the bottom of described printing opacity cell-shell (1) is fixedly connected with lamp holder (7), LED light engine (2) is electrically connected with lamp holder (7), described light transmitting shell (3) is evenly equipped with some ventilating grooves (4).
2. a kind of COB light source bulb as claimed in claim 1, is characterized in that: the longitudinal section of described ventilating groove (4) is wicker leaf shape or rectangle.
3. a kind of COB light source bulb as claimed in claim 1, is characterized in that: described LED light engine (2) is fixed in light transmitting shell (3) by buckle or bonding mode.
4. a kind of COB light source bulb as claimed in claim 1, it is characterized in that: described LED light engine (2) also comprises driving chip and LED luminescence chip, transparency carrier is covered with printed wire, described printed wire is packaged with driving chip and LED luminescence chip.
5. a kind of COB light source bulb as claimed in claim 1, it is characterized in that: described LED light engine (2) also comprises driving chip and LED luminescence chip, driving chip and LED luminescence chip on the transparent substrate bonding, connected by metal wire between driving chip and LED luminescence chip.
6. a kind of COB light source bulb as claimed in claim 1, it is characterized in that: the outer wall of described transmissive bulb bottom is provided with the draw-in groove (8) of annular, the top of described light transmitting shell (3) is provided with the suitable elastic fastening hook (9) of at least one and draw-in groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637791.9U CN204986453U (en) | 2015-08-21 | 2015-08-21 | COB light source bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637791.9U CN204986453U (en) | 2015-08-21 | 2015-08-21 | COB light source bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986453U true CN204986453U (en) | 2016-01-20 |
Family
ID=55120821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520637791.9U Expired - Fee Related CN204986453U (en) | 2015-08-21 | 2015-08-21 | COB light source bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204986453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758544A (en) * | 2018-07-13 | 2018-11-06 | 常州拓晶照明科技有限公司 | Automobile-used 360 ° of light emitting LED lamps |
-
2015
- 2015-08-21 CN CN201520637791.9U patent/CN204986453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758544A (en) * | 2018-07-13 | 2018-11-06 | 常州拓晶照明科技有限公司 | Automobile-used 360 ° of light emitting LED lamps |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20200821 |