CN203099379U - Straight-tube type LED (light emitting diode) lamp - Google Patents
Straight-tube type LED (light emitting diode) lamp Download PDFInfo
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- CN203099379U CN203099379U CN2012206128132U CN201220612813U CN203099379U CN 203099379 U CN203099379 U CN 203099379U CN 2012206128132 U CN2012206128132 U CN 2012206128132U CN 201220612813 U CN201220612813 U CN 201220612813U CN 203099379 U CN203099379 U CN 203099379U
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Abstract
The utility model discloses a straight-tube type LED (light emitting diode) lamp comprising a lamp tube, an aluminum base plate and a group of LED light sources, wherein the aluminum base plate is arranged in the lamp tube, the LED light source group is arranged on the aluminum base plate, and the shady surface of the aluminum base plate is adhered on the inner wall of the lamp tube through heat conducting adhesive. The straight-tube type LED lamp disclosed by the utility model has the advantages that the aluminum base plate is fixedly arranged on the inner wall of the lamp tube through the heat conducting adhesive so that the light emitting angles of the LED light sources are larger than 320 degrees, the light transmitting rate is increased, and the straight-tube type LED lamp is very suitable for a traditional lamp light distribution system; and the temperature generated by the LED light sources can be quickly guided out through the heat conducting adhesive and the lamp tube, so that the whole lamp tube becomes a heat radiator, the integral heat dissipation efficiency is improved, and the temperature of the lamp tube/the junction temperature of the LED light sources is effectively reduced.
Description
Technical field
The utility model relates to a kind of straight pipe type LED lamp.
Background technology
The led light source product saves money again than white incandescent lamp power saving 90% because of it is energy-conservation, life-span is 50 times of conventional bulb, price is 50% of highly sophisticated products of the same trade, LED is a photoelectric device, enjoy great popularity because of it is energy-conservation, economical, utility time is long in recent years, have only the electric energy of 15%-25% to convert luminous energy in the course of work of LED, remaining electric energy nearly all converts heat energy to, and the temperature of LED is raise.In great power LED, heat radiation is a big problem.For example: 1 10W white light LEDs is if its photoelectric transformation efficiency is 20%, then the electric energy of 8W converts heat energy to again, if do not add cooling measure, then the device core temperature of LED can rise rapidly, when its junction temperature rises above maximum allowable temperature, LED can damage because of overheated, thereby has shortened the service life of straight pipe type LED lamp.Straight pipe type LED lamp commonly used as shown in Figure 1, its structure is for comprising fluorescent tube, this fluorescent tube is combined by PC fluorescent tube 8 and aluminium alloy fluorescent tube 9, and aluminium base 2 and led light source 3 wherein are installed on the aluminium alloy fluorescent tube 9.Its light that distributes of straight pipe type LED lamp of this structure is darker, and the heat that led light source 3 produces can not dissipate timely, makes the lamp hole temperature of straight pipe type LED lamp rise very fast and can't dispel the heat, thereby cause it to break down easily.The inner continuous high temperature of fluorescent tube also can make the luminous efficiency of led light source reduce.
The utility model content
Technical problem to be solved in the utility model is: a kind of heat transfer efficiency height is provided, can effectively reduces the straight pipe type LED lamp of lamp hole temperature.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of straight pipe type LED lamp, comprise fluorescent tube, be installed in the aluminium base in the fluorescent tube and be installed in one group of led light source on the aluminium base, the shady face of described aluminium base is pasted on the inwall of fluorescent tube by heat-conducting glue, also be coated with full one deck undercoating on the inwall of fluorescent tube, undercoating is between interior heat-conducting glue and fluorescent tube.
Described fluorescent tube is a glass tube.
Also be coated with heat-conducting glue on the described tube outer wall, the position of this heat-conducting glue is corresponding with the heat-conducting glue on being arranged on tube inner wall.
Described tube outer wall also is provided with radiator.
Described radiator is copper sheet or aluminum alloy heat sink, and copper sheet or aluminum alloy heat sink are pasted on the tube outer wall and corresponding with the heat-conducting glue on being arranged on tube inner wall by heat-conducting glue.
The surface of described copper sheet or aluminum alloy heat sink is provided with radiating groove or heat radiation projection.
The cross section of described copper sheet or aluminum alloy heat sink is a U-shaped, the two ends in copper sheet or aluminum alloy heat sink cross section contact with tube outer wall and and tube outer wall between form a cavity, the heat-conducting glue that is arranged on the tube outer wall also is positioned at this cavity simultaneously.
The beneficial effects of the utility model are: utilize heat-conducting glue that aluminium base is fixed on the tube inner wall, both can so that the lighting angle of led light source greater than 320 °, increase light transmittance, adapt to very much conventional lamp luminous intensity distribution system, and the temperature that led light source produces can be derived fast through heat-conducting glue and fluorescent tube, make whole fluorescent tube all become radiator, improved whole radiating efficiency, effectively reduced the junction temperature of the temperature/led light source of fluorescent tube.
Description of drawings
Fig. 1 is the sectional view of straight pipe type LED lamp in the background technology;
Fig. 2 is the sectional view of the utility model straight pipe type LED lamp.
Among the figure: 1, fluorescent tube, 2, aluminium base, 3, led light source, 4, interior heat-conducting glue, 5, outer heat-conducting glue, 6, aluminum alloy heat sink, 7, undercoating, 8, the PC fluorescent tube, 9, the aluminium alloy fluorescent tube.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 2, straight pipe type LED lamp described in the utility model, comprise fluorescent tube 1, be installed in the aluminium base 2 in the fluorescent tube 1 and be installed in one group of led light source 3 on the aluminium base 2, the shady face of described aluminium base 2 is pasted on the inwall of fluorescent tube 1 by interior heat-conducting glue 4, also be coated with full one deck undercoating 7 on the inwall of fluorescent tube 1, undercoating 7 is between interior heat-conducting glue 4 and fluorescent tube 1.Undercoating 7 is that in the straight pipe type LED lamp is coated in the conventional coating on fluorescent tube 1 inwall.Because the heat transfer efficiency of glass tube and light transmittance be all than PC, PMMA height, and glass tube is unleaded, environmental protection, cheapness, be a kind of very good material of making straight pipe type LED lamp fluorescent tube, so in the utility model, described fluorescent tube 1 is a glass tube.In order to increase the radiating effect of fluorescent tube 1 outer wall, also be coated with outer heat-conducting glue 5 on described fluorescent tube 1 outer wall, position that should outer heat-conducting glue 5 and interior heat-conducting glue 4 corresponding and both be fitted in the both sides of fluorescent tube 1 wall respectively, promptly outer heat-conducting glue 5 is close to the outside of interior heat-conducting glue 4.In order further to improve whole radiating efficiency, described fluorescent tube 1 outer wall also is provided with radiator.This radiator is copper sheet or aluminum alloy heat sink 6.In order to tell about conveniently, utilize aluminum alloy heat sink 6 to introduce the concrete structure of radiator below.Aluminum alloy heat sink 6 is pasted on fluorescent tube 1 outer wall by outer heat-conducting glue 5 and is corresponding with interior heat-conducting glue 4.In order to improve the radiating efficiency of aluminum alloy heat sink 6, the surface of aluminum alloy heat sink 6 is provided with radiating groove or heat radiation projection.Guarantee radiating effect when reducing the use of outer heat-conducting glue, the cross section of aluminum alloy heat sink 6 is the U-shaped of prolate, the two ends in aluminum alloy heat sink 6 cross sections contact with fluorescent tube 1 outer wall and and fluorescent tube 1 outer wall between form a cavity, outer heat-conducting glue 6 is arranged in this cavity.
Operation principle of the present utility model is: first heat conduction approach is, the heat that led light source 3 produces is transmitted to aluminium base 2, is bonded in the heat conduction diffusion layer that glass lamp 1 inwall forms through interior heat-conducting glue 4 and undercoating 7, and heat directly dispels the heat by glass lamp 1.Second thermally conductive pathways, (at the shady face of aluminium base 2, temperature is more concentrated) is transmitted on the aluminum alloy heat sink 6 by 5 contacts of outer heat-conducting glue on the glass lamp 1, again by aluminum alloy heat sink 6 radiant heat.Its advantage is to utilize heat-conducting glue that aluminium base is fixed on the tube inner wall, both can so that the lighting angle of led light source greater than 320 °, increase light transmittance, adapt to very much conventional lamp luminous intensity distribution system, and the temperature that led light source produces can be derived fast through heat-conducting glue and fluorescent tube, make whole fluorescent tube all become radiator, improved whole radiating efficiency, effectively reduced the junction temperature of the temperature/led light source of fluorescent tube.The innovation utilization the heat sinking function of glass tube.(thermal conductivity factor of glass is 0.76～1.1W/mK), and glass lamp 1 also as radiator, is effectively raised the cooling surface area of straight pipe type LED lamp, thereby has effectively improved whole radiating efficiency, and its radiating effect is obvious.
Claims (7)
1. straight pipe type LED lamp, comprise fluorescent tube, be installed in the aluminium base in the fluorescent tube and be installed in one group of led light source on the aluminium base, it is characterized in that: the shady face of described aluminium base is pasted on the inwall of fluorescent tube by heat-conducting glue, also be coated with full one deck undercoating on the inwall of fluorescent tube, undercoating is between interior heat-conducting glue and fluorescent tube.
2. straight pipe type LED lamp according to claim 1 is characterized in that: described fluorescent tube is a glass tube.
3. straight pipe type LED lamp according to claim 1 and 2 is characterized in that: also be coated with heat-conducting glue on the described tube outer wall, the position of this heat-conducting glue is corresponding with the heat-conducting glue on being arranged on tube inner wall.
4. straight pipe type LED lamp according to claim 1 and 2, it is characterized in that: described tube outer wall also is provided with radiator.
5. straight pipe type LED lamp according to claim 4 is characterized in that: described radiator is copper sheet or aluminum alloy heat sink, and copper sheet or aluminum alloy heat sink are pasted on the tube outer wall and corresponding with the heat-conducting glue on being arranged on tube inner wall by heat-conducting glue.
6. straight pipe type LED lamp according to claim 5 is characterized in that: the surface of described copper sheet or aluminum alloy heat sink is provided with radiating groove or heat radiation projection.
7. straight pipe type LED lamp according to claim 5, it is characterized in that: the cross section of described copper sheet or aluminum alloy heat sink is a U-shaped, the two ends in copper sheet or aluminum alloy heat sink cross section contact with tube outer wall and and tube outer wall between form a cavity, the heat-conducting glue that is arranged on the tube outer wall also is positioned at this cavity simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206128132U CN203099379U (en) | 2012-11-19 | 2012-11-19 | Straight-tube type LED (light emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206128132U CN203099379U (en) | 2012-11-19 | 2012-11-19 | Straight-tube type LED (light emitting diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203099379U true CN203099379U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206128132U Expired - Fee Related CN203099379U (en) | 2012-11-19 | 2012-11-19 | Straight-tube type LED (light emitting diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203099379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453498A (en) * | 2013-09-10 | 2013-12-18 | 彭雯 | LED (light emitting diode) lamp tube with front-mounted light and heat-conducting glass pipe lens and manufacturing method of LED lamp tube |
-
2012
- 2012-11-19 CN CN2012206128132U patent/CN203099379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453498A (en) * | 2013-09-10 | 2013-12-18 | 彭雯 | LED (light emitting diode) lamp tube with front-mounted light and heat-conducting glass pipe lens and manufacturing method of LED lamp tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150916 Address after: Yangshe Nanzhuang Village Suzhou city Jiangsu province 215600 Bauhinia Road Zhangjiagang City, No. 18 Suzhou 100 Olivia Photoelectric Technology Co. Ltd. Patentee after: SUZHOU BAIAOLI OPTOELECTRONIC TECHNOLOGY CO., LTD. Address before: Zhangjiagang Economic Development Zone, Suzhou City, Jiangsu province 215600 city (Nanzhuang Village yangshe) Bao Electronics (Zhangjiagang) Co., Ltd. Patentee before: BOODY Electron (Zhangjiagang) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20201119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |