CN202834951U - Straight tube type LED lamp - Google Patents
Straight tube type LED lamp Download PDFInfo
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- CN202834951U CN202834951U CN2012205682200U CN201220568220U CN202834951U CN 202834951 U CN202834951 U CN 202834951U CN 2012205682200 U CN2012205682200 U CN 2012205682200U CN 201220568220 U CN201220568220 U CN 201220568220U CN 202834951 U CN202834951 U CN 202834951U
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Abstract
The utility model discloses a straight tube type LED (Light Emitting Diode) lamp, which is high in heat conductivity and heat dissipation speed and can effectively lower the temperature of LED light sources. The straight tube type LED lamp comprises a lamp tube, an aluminum base plate mounted in the lamp tube, a group of LED light sources mounted on the aluminum base plate, two end plugs, a power supply, a metal heat radiator and a high-conductivity silica gel, wherein the light backing surface of the aluminum base plate is bonded on the inner wall of the lamp tube through a heat conducting glue. According to the utility model, the aluminum base plate is fixed on the inner wall of the lamp tube through the heat conducting glue, so that a light irradiating angle of the LED light source is greater than 330 DEG and the light transmittance is enhanced. The straight tube type LED lamp is very suitable for a light distribution system of the traditional lamp. In addition, the temperature generated by the LED light source is conducted out quickly through the heat conducting glue and the lamp tube, so that the whole lamp tube is changed into the heat radiator. As a result, the whole heat radiating efficiency is improved, and the junction temperature of the LED light source is decreased effectively.
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 than white incandescent lamp power saving 90% again because 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 it is energy-conservation, economical, utility time is long in recent years, only have the electric energy of 15%-25% to convert luminous energy in the course of work of LED, remaining electric energy is energy transform into heat energy nearly all, and the temperature of LED is raise.In great power LED, heat radiation is a large problem.For example: if 1 its photoelectric transformation efficiency of 10W white light LEDs is 20%, the electric energy energy transform into heat energy that 8W is then arranged, 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 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, wherein aluminium alloy heat radiator is installed aluminium base 2 and led light source 3.The lighting angle of the LED light fixture of this structure is smaller, generally about 180 °; Because diffuser adopts PC or PMMA material more, light transmittance is lower than glass, and aging easily, variable color; Material cost is somewhat expensive; Be not easy to solve the electrical safety requirement of whole lamp; The cost that regeneration is used is high, is unfavorable for environmental protection.
The utility model content
Technical problem to be solved in the utility model provides the straight pipe type LED lamp that a kind of heat transfer efficiency is high, can effectively reduce the operating temperature of straight pipe type fluorescent tube LED; The utility model has been owing to adopted insulating heat-conduction material, very cheap solution the electrical safety requirement of whole lamp.
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 comprises fluorescent tube, is installed in the aluminium base in the fluorescent tube and is installed in led light source on the aluminium base, and the shady face of aluminium base is pasted on the inwall of fluorescent tube by heat-conducting glue.
Described fluorescent tube is glass tube.
Also be coated with heat-conducting glue on the described tube outer wall under the radiator, this heat-conducting glue corresponding with the heat-conducting glue on being arranged on tube inner wall and both be fitted in respectively the both sides of lamp tube wall.
Described tube outer wall also is provided with radiator.
Described radiator is copper or aluminum alloy heat sink, and copper 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.
Be provided with radiating groove or radiating fin on the surface of described copper or aluminum alloy heat sink.
The cross section of described copper or aluminum alloy heat sink is U-shaped, the two ends in copper 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 330 °, 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, so that whole fluorescent tube all becomes radiator, strengthened the efficiently radiates heat surface area; Improve 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 (straight pipe type glass), 2, aluminium base, 3, led light source, 4, interior heat-conducting glue, 5, outer heat-conducting glue, 6, aluminum alloy heat sink, 7, undercoating.
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 and is used for heat conduction, heat radiation, diffusion coating on fluorescent tube 1 inwall.Because the heat transfer efficiency of glass tube and light transmittance are all high than PC, PMMA, and glass tube is unleaded, and be cheap, the environmental protection reproducible utilization; A kind of very good material of supporting straight pipe type LED lamp fluorescent tube, so in the utility model, described fluorescent tube 1 is chosen as 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, this outer heat-conducting glue 5 corresponding with interior heat-conducting glue and both be fitted in respectively the inside and outside both sides of fluorescent tube 1 wall, namely 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 or aluminum alloy heat sink 6.
In order to tell about conveniently, the below utilizes aluminum alloy heat sink 6 to introduce the concrete structure of radiator.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, be provided with radiating groove or heat radiation projection on the surface of aluminum alloy heat sink 6.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.Described interior heat-conducting glue 4 and outer heat-conducting glue 5 adopt high thermal conductive silicon glue.The utility model has the advantages that and 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 330 °, 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, so that whole fluorescent tube all becomes radiator, improved whole radiating efficiency, effectively reduce 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 ~ 1.1 W/mK) also as radiator, effectively raises the cooling surface area of straight pipe type LED lamp with glass lamp 1, thus Effective Raise whole radiating efficiency, its radiating effect is obvious.
Claims (5)
1. straight pipe type LED lamp comprises fluorescent tube, is installed in the aluminium base in the fluorescent tube and is installed in led light source on the aluminium base, and it is characterized in that: the shady face of described aluminium base is pasted on the inwall of fluorescent tube by heat-conducting glue.
2. straight pipe type LED lamp according to claim 1, it is characterized in that: described fluorescent tube is 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, this heat-conducting glue corresponding with the heat-conducting glue on being arranged on tube inner wall and both be fitted in respectively the both sides of lamp tube wall.
4. straight pipe type LED lamp according to claim 3, it is characterized in that: also include a radiator, radiator is copper sheet or aluminum alloy heat sink, and copper sheet or aluminum alloy heat sink radiator 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.
5. straight pipe type LED lamp according to claim 4, it is characterized in that: the cross section of described copper sheet or aluminum alloy heat sink is U-shaped, the two ends of copper sheet or aluminum alloy heat sink 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 |
|---|---|---|---|
| CN2012205682200U CN202834951U (en) | 2012-11-01 | 2012-11-01 | Straight tube type LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205682200U CN202834951U (en) | 2012-11-01 | 2012-11-01 | Straight tube type LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834951U true CN202834951U (en) | 2013-03-27 |
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ID=47946649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205682200U Expired - Fee Related CN202834951U (en) | 2012-11-01 | 2012-11-01 | Straight tube type LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834951U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913802A (en) * | 2012-11-19 | 2013-02-06 | 宝电电子(张家港)有限公司 | Straight-tube-type LED (light-emitting diode) lamp |
| CN105090899A (en) * | 2014-05-19 | 2015-11-25 | 江苏豪迈照明科技有限公司 | Pipe type element LED and packaging method thereof |
| CN107339623A (en) * | 2014-11-06 | 2017-11-10 | 嘉兴山蒲照明电器有限公司 | Have the LED straight lamps of supporting construction |
| US11686457B2 (en) | 2014-09-28 | 2023-06-27 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11906115B2 (en) | 2014-12-05 | 2024-02-20 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
-
2012
- 2012-11-01 CN CN2012205682200U patent/CN202834951U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913802A (en) * | 2012-11-19 | 2013-02-06 | 宝电电子(张家港)有限公司 | Straight-tube-type LED (light-emitting diode) lamp |
| CN105090899A (en) * | 2014-05-19 | 2015-11-25 | 江苏豪迈照明科技有限公司 | Pipe type element LED and packaging method thereof |
| US11686457B2 (en) | 2014-09-28 | 2023-06-27 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| CN107339623A (en) * | 2014-11-06 | 2017-11-10 | 嘉兴山蒲照明电器有限公司 | Have the LED straight lamps of supporting construction |
| US11906115B2 (en) | 2014-12-05 | 2024-02-20 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube 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: 20130327 Termination date: 20141101 |
|
| EXPY | Termination of patent right or utility model |