CN202660281U - Led lamp tube - Google Patents
Led lamp tube Download PDFInfo
- Publication number
- CN202660281U CN202660281U CN2012201970675U CN201220197067U CN202660281U CN 202660281 U CN202660281 U CN 202660281U CN 2012201970675 U CN2012201970675 U CN 2012201970675U CN 201220197067 U CN201220197067 U CN 201220197067U CN 202660281 U CN202660281 U CN 202660281U
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- China
- Prior art keywords
- led
- heat
- fluorescent tube
- dissipating casing
- heat radiating
- 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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Abstract
The utility model discloses an LED lamp tube which comprises a lamp shade, a lamp body, a heat radiating housing and end covers, wherein the lamp shade is mutually clamped and connected with the heat radiating housing, a cavity is formed between the lamp shade and the heat radiating housing, the lamp body is arranged in the cavity, the end covers are connected to two ends of the LED lamp tube, the heat radiating housing is bent, the outer surface of the heat radiating housing is provided with a plurality of heat radiating ribs formed by outwards protruding, and a groove is formed between every two heat radiating ribs. The bent heat radiating housing increases the heat radiating area, and on the premise of keeping same outer diameter, the lengths of the heat radiating ribs are increased, and the heat radiating area is favorably increased, therefore, the heat radiating effect of the heat radiating housing is improved. The lamp shade is clamped and connected with the heat radiating housing, so that the LED lamp tube has the advantages of simple assembly, convenience for disassembly and simple structure.
Description
Technical field
The utility model relates to lighting technical field, relates in particular to a kind of LED(Light Emitting Diode, light emitting diode) fluorescent tube.
Background technology
In recent years, based on characteristics such as environmental protection, energy-conservation, efficient, small size, long-lives, LED(Light Emitting Diode, light emitting diode) light fixture more and more is subject to people's favor, described LED light fixture replace traditional incandescent lamp with fluorescent lamp become a kind of main flow trend.
Existing LED fluorescent tube generally comprises lampshade, led light source assembly, LED driven unit and heat-dissipating casing, described lampshade is fixedly connected with described heat-dissipating casing, described LED driven unit connects also and drives the work of described led light source assembly, and described led light source assembly and described LED driven unit are installed on the described lampshade.When the described lampshade of assembly and disassembly and described heat-dissipating casing, generally need to be by instrument (such as screwdriver) and screw.Bring inconvenience so just for the installation of described LED fluorescent tube, also reduced operating efficiency simultaneously.
Therefore, be necessary to provide a kind of and assemble quick, convenient disassembly, LED fluorescent tube simple in structure and good heat dissipation effect overcomes the deficiencies in the prior art.
The utility model content
The purpose of this utility model is to provide a kind of LED fluorescent tube of assembling quick, convenient disassembly, simple in structure and good heat dissipation effect.
For achieving the above object, the technical solution of the utility model is: a kind of LED fluorescent tube is provided, comprise lampshade, lamp body, heat-dissipating casing and end cap, described lampshade and the mutual engagement connection of described heat-dissipating casing, and form a cavity between described lampshade and the described heat-dissipating casing, described lamp body is arranged in the described cavity, described end cap is connected in the two ends of described LED fluorescent tube, wherein, described heat-dissipating casing presents bending, the outer surface of described heat-dissipating casing has the some radiating fins that outwards protrude out formation, forms groove between the adjacent described radiating fin.
Preferably, described heat-dissipating casing comprises base plate, hang plate and vertical plate, described base plate is planar structure, and two relative sides of described base plate are inclined upwardly and extend to form described hang plate, the upper end of described hang plate upwards vertically extends to form described vertical plate, the upper end of described vertical plate and described lampshade engagement connection, the outer surface of described base plate, hang plate and vertical plate all has described radiating fin, and the density of the radiating fin on the described hang plate is greater than the density of the radiating fin on described base plate and the described vertical plate; Polygonal heat-dissipating casing has increased area of dissipation, and the base plate that is planar structure, so that under the identical prerequisite of fluorescent tube external diameter, the radiating fin length that arranges on the base plate increases, be conducive to increasing heat radiation area, thereby increased the radiating effect of described heat-dissipating casing, and then prolonged the service life of described LED fluorescent tube.
Preferably, have the lug boss that protrudes out laterally formation on the described vertical plate, offer connecting hole on the described lug boss.
Preferably, described end cap has an accommodating cavity, is provided with fixture block on the inwall of described accommodating cavity, has the gap between described fixture block and the described inwall, and it is protruding that the end of described fixture block protrudes out the formation engaging to described inwall, and described engaging is protruding to be sticked in the described connecting hole; Both engagement connections make the easy for installation of end cap.
Preferably, be provided with two contact pins on the outer wall of described end cap, the setting of described contact pin has made things convenient for the installation of described LED fluorescent tube.
Preferably, described heat-dissipating casing also comprises a substrate, and described substrate is arranged at the upper end of described vertical plate.
Preferably, the convex projection that stretches out on the described substrate, described projection outward forms slot, described lampshade has the holding section that bends inwards and form, described holding section is sticked in the described slot, therefore, and the assembling of lampshade and described heat-dissipating casing, convenient disassembly.
Preferably, described lamp body also comprises led light source assembly and LED driven unit, and described led light source assembly is installed on the described substrate, and described LED driven unit is contained in the described heat-dissipating casing, and described LED driven unit drives the work of described led light source assembly.
Preferably, described led light source assembly comprises a circuit board and a plurality of led chip, and described circuit board is installed on the described substrate and is connected with described LED driven unit, and described a plurality of led chips are welded on the described circuit board.
Compared with prior art, because LED fluorescent tube of the present utility model, comprise lampshade, lamp body, heat-dissipating casing and end cap, described lampshade and the mutual engagement connection of described heat-dissipating casing, and form a cavity between described lampshade and the described heat-dissipating casing, described lamp body is arranged in the described cavity, described end cap is connected in the two ends of described LED fluorescent tube, wherein, described heat-dissipating casing presents bending, the outer surface of described heat-dissipating casing has outwards to protrude out and forms some radiating fins, forms groove between the adjacent described radiating fin; The heat-dissipating casing of bending has increased area of dissipation, simultaneously under the prerequisite that keeps same outer diameter as, its radiating fin length increases, be conducive to increasing heat radiation area, thereby improved the radiating effect of described heat-dissipating casing, and lampshade fastens with heat-dissipating casing and is connected, and makes that assembling is quick, convenient disassembly, simple in structure.
Description of drawings
Fig. 1 is the structural representation of the utility model LED fluorescent tube.
Fig. 2 is the exploded view of Fig. 1.
Fig. 3 is the enlarged diagram of radiating shell among Fig. 2.
Fig. 4 is the enlarged diagram of end cap among Fig. 2.
Fig. 5 is the structural representation that lampshade matches with radiating shell.
Fig. 6 is the schematic cross-section of Fig. 5.
The specific embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, similar element numbers represents similar element in the accompanying drawing.As mentioned above, the utility model provides a kind of LED fluorescent tube, owing to having increased the surface area of heat-dissipating casing 30 and the length of radiating fin, therefore, improved the radiating effect of described heat-dissipating casing 30, and lampshade 10 fastens with heat-dissipating casing 30 and is connected, and makes that assembling is quick, convenient disassembly, simple in structure, with low cost.
As depicted in figs. 1 and 2, LED fluorescent tube of the present utility model comprises lampshade 10, lamp body 20, heat-dissipating casing 30 and two end cap 40, described lampshade 10 and heat-dissipating casing 30 mutual engagement connections, and form a cavity between described lampshade 10 and the described heat-dissipating casing 30, described lamp body 20 is arranged in the described cavity, and two end cap 40 is sticked in respectively the two ends of lampshade 10 and heat-dissipating casing 30 after the connection.
As shown in Figure 1-Figure 3, the opening part of described lampshade 10 has the holding section 11 that bends inwards and form, and described holding section 11 is connected for fastening with described heat-dissipating casing 30.
Described heat-dissipating casing 30 presents bending, and the outer surface of described heat-dissipating casing 30 has the some radiating fins 311,321,331 that outwards protrude out formation, forms groove between the adjacent described radiating fin 311,321,331.Particularly, described heat-dissipating casing 30 comprises base plate 31, hang plate 32, vertical plate 33 and substrate 34, described base plate 31 is planar structure, two relative sides of base plate 31 are inclined upwardly and extend to form described hang plate 32, the upper end of described hang plate 32 upwards vertically extends to form described vertical plate 33, and the upper end of described vertical plate 33 is provided with described substrate 34, therefore, heat-dissipating casing 30 forms a hollow structure, and described hollow structure forms a host cavity.In preferred embodiment of the present utility model, above-mentioned base plate 31, hang plate 32, vertical plate 33 and substrate 34 structure that is formed in one.The outer surface of described base plate 31 has radiating fin 311, the outer surface of hang plate 32 has described radiating fin 321, the outer surface of vertical plate 33 has radiating fin 331, and the density of the radiating fin 321 on the described hang plate 32 is greater than the density of the radiating fin 311 on the base plate 31, also greater than the density of the radiating fin 331 on the vertical plate 33, and the radiating fin on the base plate 31 311 is longer; Radiating fin 311,321,331 design utilize the cross-ventilation principle, take away at any time, quickly the heat that described heat-dissipating casing 30 surfaces give out, and polygonal heat-dissipating casing 30 have increased its area of dissipation; In addition, be base plate 31 designs of planar structure, so that under the prerequisite that keeps identical fluorescent tube external diameter, the length of the radiating fin 311 that arranges on the base plate 31 is increased, be conducive to further increasing heat radiation area, thereby increased the radiating effect of described heat-dissipating casing 30, control all the time the temperature of described LED fluorescent tube inside in appropriate scope, effectively ensure normal working temperature and the environment of described led light source assembly 21, and then prolonged the service life of described LED fluorescent tube.
Continuation is in conjunction with Fig. 1-shown in Figure 3, described lamp body 20 also comprises led light source assembly 21 and LED driven unit 22, described led light source assembly 21 is installed on the described substrate 34, described LED driven unit 22 is contained in the host cavity of described heat-dissipating casing 30, and described LED driven unit 22 drives described led light source assembly 21 work.Particularly, described led light source assembly 21 comprises a circuit board 211 and a plurality of led chip 212, and described circuit board 211 is installed on the described substrate 34 and is connected with described LED driven unit 22, and described a plurality of led chips 212 are welded on the described circuit board 211.
Such as Fig. 3-shown in Figure 6, have the lug boss 332 that protrudes out laterally formation on the described vertical plate 33, offer connecting hole 333 on the described lug boss 332, be used for and end cap 40 is installed.Described end cap 40 has an accommodating cavity 41, be provided with fixture block 42 on the inwall of described accommodating cavity 41, has certain interval between described fixture block 42 and the described inwall, the end of described fixture block 42 protrudes out to described inwall and forms engaging protruding 421, during connection, the end of lampshade 10 and heat-dissipating casing 30 is stretched in the accommodating cavity 41 of end cap 40, the lug boss 332 of heat-dissipating casing 30 snaps between the inwall of fixture block 42 and end cap 40, and engaging protruding 421 is sticked in the described connecting hole 333, realize both clampings, make the easy for installation of end cap 40.In addition, be provided with two contact pins 43 on the outer wall of described end cap 40, the setting of described contact pin 43 has made things convenient for the installation of described LED fluorescent tube.
Continuation is in conjunction with Fig. 3-shown in Figure 6, the convex projection 341 that stretches out on the described substrate 34, described projection 341 outwards form slot 342, when lampshade 10 is connected with heat-dissipating casing 30, the holding section 11 of lampshade 10 is sticked in the described slot 342, therefore, assembling, the convenient disassembly of lampshade 10 and described heat-dissipating casing 30.
Because LED fluorescent tube of the present utility model, comprise lampshade 10, lamp body 20, heat-dissipating casing 30 and end cap 40, described lampshade 10 and described heat-dissipating casing 30 mutual engagement connections, and form a cavity between described lampshade 10 and the described heat-dissipating casing 30, described lamp body 20 is arranged in the described cavity, described end cap 40 is connected in the two ends of described LED fluorescent tube, wherein, described heat-dissipating casing 30 presents bending, the outer surface of described heat-dissipating casing 30 has the some radiating fins 311 that outwards protrude out formation, 321,331, adjacent described radiating fin 311,321, form groove between 331; The heat-dissipating casing 30 of bending has increased area of dissipation, simultaneously under the prerequisite that keeps same outer diameter as, its radiating fin 311,321,331 length increase, be conducive to increasing heat radiation area, thereby increased the radiating effect of described heat-dissipating casing 30, and lampshade 10 fastens with heat-dissipating casing 30 and is connected, and makes that assembling is simple, convenient disassembly, simple in structure.
The lampshade 10 that it should be noted that the utility model LED fluorescent tube has adopted unique add lustre to Merlon raw material of particle composition of secondary optics that contains to make, and light transmittance can reach more than 90%.
Above disclosed only is preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (9)
1. LED fluorescent tube, comprise lampshade, lamp body, heat-dissipating casing and end cap, described lampshade and the mutual engagement connection of described heat-dissipating casing, and form a cavity between described lampshade and the described heat-dissipating casing, described lamp body is arranged in the described cavity, and described end cap is connected in the two ends of described LED fluorescent tube, it is characterized in that: described heat-dissipating casing presents bending, the outer surface of described heat-dissipating casing has the some radiating fins that outwards protrude out formation, forms groove between the adjacent described radiating fin.
2. LED fluorescent tube as claimed in claim 1, it is characterized in that: described heat-dissipating casing comprises base plate, hang plate and vertical plate, described base plate is planar structure, and two relative sides of described base plate are inclined upwardly and extend to form described hang plate, the upper end of described hang plate upwards vertically extends to form described vertical plate, the upper end of described vertical plate and described lampshade engagement connection, described base plate, the outer surface of hang plate and vertical plate all has described radiating fin, and the density of the radiating fin on the described hang plate is greater than the density of the radiating fin on described base plate and the described vertical plate.
3. LED fluorescent tube as claimed in claim 2 is characterized in that: have the lug boss that protrudes out laterally formation on the described vertical plate, offer connecting hole on the described lug boss.
4. LED fluorescent tube as claimed in claim 3, it is characterized in that: described end cap has an accommodating cavity, be provided with fixture block on the inwall of described accommodating cavity, has the gap between described fixture block and the described inwall, it is protruding that the end of described fixture block protrudes out the formation engaging to described inwall, and described engaging is protruding to be sticked in the described connecting hole.
5. LED fluorescent tube as claimed in claim 4 is characterized in that: be provided with two contact pins on the outer wall of described end cap.
6. LED fluorescent tube as claimed in claim 2, it is characterized in that: described heat-dissipating casing also comprises a substrate, described substrate is arranged at the upper end of described vertical plate.
7. LED fluorescent tube as claimed in claim 6 is characterized in that: the convex projection that stretches out on the described substrate, and described projection outward forms slot, and described lampshade has the holding section that bends inwards and form, and described holding section is sticked in the described slot.
8. LED fluorescent tube as claimed in claim 6, it is characterized in that: described lamp body also comprises led light source assembly and LED driven unit, described led light source assembly is installed on the described substrate, described LED driven unit is contained in the described heat-dissipating casing, and described LED driven unit drives the work of described led light source assembly.
9. LED fluorescent tube as claimed in claim 8, it is characterized in that: described led light source assembly comprises a circuit board and a plurality of led chip, described circuit board is installed on the described substrate and is connected with described LED driven unit, and described a plurality of led chips are welded on the described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201970675U CN202660281U (en) | 2012-05-02 | 2012-05-02 | Led lamp tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201970675U CN202660281U (en) | 2012-05-02 | 2012-05-02 | Led lamp tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660281U true CN202660281U (en) | 2013-01-09 |
Family
ID=47455189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201970675U Expired - Fee Related CN202660281U (en) | 2012-05-02 | 2012-05-02 | Led lamp tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202660281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104844A (en) * | 2013-01-31 | 2013-05-15 | 佛山电器照明股份有限公司 | Light emitting diode (LED) fluorescent tube |
| CN103629636A (en) * | 2013-08-27 | 2014-03-12 | 莱特尔科技（深圳）有限公司 | Telescopic lamp tube |
-
2012
- 2012-05-02 CN CN2012201970675U patent/CN202660281U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104844A (en) * | 2013-01-31 | 2013-05-15 | 佛山电器照明股份有限公司 | Light emitting diode (LED) fluorescent tube |
| CN103629636A (en) * | 2013-08-27 | 2014-03-12 | 莱特尔科技（深圳）有限公司 | Telescopic lamp tube |
| CN103629636B (en) * | 2013-08-27 | 2022-11-15 | 莱特尔科技（深圳）有限公司 | Telescopic lamp tube |
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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: 20130109 Termination date: 20160502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |