CN202082688U - LED (Light-Emitting Diode) fluorescent tube employing natural convection to radiate heat - Google Patents
LED (Light-Emitting Diode) fluorescent tube employing natural convection to radiate heat Download PDFInfo
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- CN202082688U CN202082688U CN2011201811320U CN201120181132U CN202082688U CN 202082688 U CN202082688 U CN 202082688U CN 2011201811320 U CN2011201811320 U CN 2011201811320U CN 201120181132 U CN201120181132 U CN 201120181132U CN 202082688 U CN202082688 U CN 202082688U
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- fluorescent tube
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- tube
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Abstract
The utility model discloses an LED (Light-Emitting Diode) fluorescent tube employing natural convection to radiate heat, which comprises a lamp tube made of a light transparent material, end covers with standard installing pins, an aluminum-based PCB (Printed Circuit Board) base plate and a drive power module. Two ends of the lamp tube are respectively provided with an end cover with the standard installing pin; the aluminum-based PCB base plate is arranged inside the lamp tube; a SMD (Surface Mounting Device) patch LED is arranged on the surface of one side of the aluminum-based PCB base plate; at least one heat radiating hole is arranged at one side of the lamp tube wall back towards the light; the heat radiating hole sets are arranged at intervals; the heat radiating hole set comprises at least two heat radiating holes in convection arrangement. An extrusion aluminum alloy profile heat radiating tube with complicated structure and expensive construction cost is avoided under a premise of effective heat dissipation by arranging convection heat radiating holes on the lamp tube wall and by using a convection method so that the construction cost of the LED fluorescent tube can be greatly reduced.
Description
Technical field
The utility model relates to the LED field of illumination lamp technology, relates to a kind of LED fluorescent tube that relies on Natural Heat Convection particularly.
Background technology
LED is a light emitting diode, is a kind of solid semiconductor device that can directly electric energy be converted into visible light.Have that volume is little, energy consumption is low, light efficiency is high, little or the like the advantage of long service life, caloric value.After incandescent lamp, three-color fluorescent lamp, LED is called as third generation energy-saving illumination light source as lighting source, and its development trend is to come into huge numbers of families, replaces present widely used incandescent lamp and three primary colours energy-saving fluorescent lamp.
Existing LED fluorescent tube adopts SMD (Surface Mounted Devices) paster LED more, it is the surface patch encapsulation LED, can give out a large amount of heats in use,, then can have a strong impact on the service life of LED fluorescent tube because of light decay if can not in time heat be dissipated.For solving heat dissipation problem, the LED fluorescent tube of being used widely has at present all adopted semicircle extruding aluminium alloy sectional radiating tube to add the modular construction of semicircle lampshade, typically for example: CN201764289U, CN201661939U, CN201203000Y etc.Though adopt extruding aluminium alloy sectional can solve heat dissipation problem preferably as radiator, but the thing followed is structure and manufacturing process complexity, material and manufacturing cost strengthen, the LED fluorescent tube product price that makes the market sell is generally high, the price of single LED fluorescent tube has reached nearly 200 yuan, thereby has seriously restricted applying of LED fluorescent tube.
The utility model content
The purpose of this utility model is the defective at the prior art existence, a kind of LED fluorescent tube of Natural Heat Convection is provided, by adopting the method for heat loss through convection, under the prerequisite that guarantees efficiently radiates heat, avoid using the aluminium alloy extrusions radiator, simplify the structure, thereby saved material and manufacturing cost.
To achieve these goals, the technical solution of the utility model is as follows:
The LED fluorescent tube of Natural Heat Convection, comprise fluorescent tube that light transmissive material makes, have end cap, aluminum base PCB substrate, driving power module that standard is installed contact pin, the two ends of described fluorescent tube respectively are provided with one and have the end cap that standard is installed contact pin, described aluminum base PCB substrate is arranged on the inside of fluorescent tube, be provided with the SMD paster LED at aluminum base PCB substrate one side surface, it is characterized in that, side back to light on the described tube wall has the louvre group that is no less than a group, this louvre group is provided with at interval, and described louvre group comprises the louvre that at least two convection current are provided with.
In a preferred embodiment of the present utility model, described louvre group comprises three louvres, and one of them louvre is positioned at the tube wall the top of fluorescent tube, and two other louvre is positioned at the tube wall both sides of fluorescent tube.
In a preferred embodiment of the present utility model, described SMD paster LED is welded on the surface of aluminum base PCB substrate.
In a preferred embodiment of the present utility model, the inwall both sides of described fluorescent tube respectively are provided with a groove, and described aluminum base PCB substrate is inserted in the fluorescent tube by described groove.
In a preferred embodiment of the present utility model, in the cavity that the one side relative with the SMD paster LED and the tube wall of aluminum base PCB substrate defined, the driving power module is housed.
In a preferred embodiment of the present utility model, described driving power module is arranged on the fluorescent tube outside, and is fixed on the fluorescent lighting fixture.
In a preferred embodiment of the present utility model, the two ends of described fluorescent tube fasten respectively installs the end cap that has gauge pin.
In a preferred embodiment of the present utility model, the side back to light on the described tube wall has three groups of louvre groups, and three groups of louvre groups are positioned at three ones of the left, center, rights of fluorescent tube respectively.
The utility model is by being provided with the louvre of convection current on tube wall, by adopting the method for heat loss through convection, under the prerequisite that guarantees efficiently radiates heat, avoid using complex structure, the high extruding aluminium alloy sectional radiating tube of cost, thereby the cost of LED fluorescent tube is significantly reduced.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is a schematic cross-section of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, further set forth the utility model below in conjunction with specific embodiment.
Referring to Fig. 1 and 2, a kind of LED fluorescent tube of Natural Heat Convection comprises fluorescent tube 1, and fluorescent tube 1 is made by the PC light transmissive material.Fasten the end cap 5 that installation has gauge pin respectively at the two ends of fluorescent tube 1.The inwall both sides of fluorescent tube respectively are provided with a groove 7, and aluminum base PCB substrate 3 is inserted in the fluorescent tube by groove 7.SMD paster LED 2 is welded on the lower surface of aluminum base PCB substrate 3 with suitable connection in series-parallel group string form.
In the one side relative of aluminum base PCB substrate and the cavity 6 that tube wall is defined driving power module 4 is housed with the SMD paster LED.Driving power module 4 also can adopt the external mode identical with the traditional fluorescent lamp ballast to be fixed in the suitable position of fluorescent lighting fixture.
Tube wall has the louvre group 10 that is no less than a group back to a side of light, and this louvre group is provided with at interval, in the present embodiment, has three groups of louvre groups, and three groups of louvre groups are positioned at three ones of the left, center, rights of fluorescent tube respectively.Every group of louvre group comprises the louvre that at least two convection current are provided with.In the present embodiment, the louvre group comprises three louvres, and one of them louvre 11 is positioned at the tube wall the top of fluorescent tube, and two other louvre 12 is positioned at the tube wall both sides of fluorescent tube, realizes cross-ventilation.
The utility model is by being provided with the louvre of convection current on tube wall, by adopting the method for heat loss through convection, under the prerequisite that guarantees efficiently radiates heat, avoid using complex structure, the high extruding aluminium alloy sectional radiating tube of cost, thereby the cost of LED fluorescent tube is significantly reduced.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in the foregoing description and the specification is principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in the claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. the LED fluorescent tube of Natural Heat Convection, comprise the fluorescent tube that light transmissive material is made, have standard the end cap of contact pin is installed, the aluminum base PCB substrate, the driving power module, the two ends of described fluorescent tube respectively are provided with one and have the end cap that standard is installed contact pin, described aluminum base PCB substrate is arranged on the inside of fluorescent tube, be provided with the SMD paster LED at aluminum base PCB substrate one side surface, it is characterized in that, side back to light on the described tube wall has the louvre group that is no less than a group, this louvre group is provided with at interval, and described louvre group comprises the louvre that at least two convection current are provided with.
2. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, described louvre group comprises three louvres, and one of them louvre is positioned at the tube wall the top of fluorescent tube, and two other louvre is positioned at the tube wall both sides of fluorescent tube.
3. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, described SMD paster LED is welded on the surface of aluminum base PCB substrate.
4. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, the inwall both sides of described fluorescent tube respectively are provided with a groove, and described aluminum base PCB substrate is inserted in the fluorescent tube by described groove.
5. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, in the cavity that the one side relative with the SMD paster LED and the tube wall of aluminum base PCB substrate defined the driving power module is housed.
6. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, described driving power module is arranged on the fluorescent tube outside, and is fixed on the fluorescent lighting fixture.
7. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, the two ends of described fluorescent tube fasten respectively installs the end cap that has gauge pin.
8. the LED fluorescent tube of Natural Heat Convection according to claim 1 is characterized in that, the side back to light on the described tube wall has three groups of louvre groups, and three groups of louvre groups are positioned at three ones of the left, center, rights of fluorescent tube respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201811320U CN202082688U (en) | 2011-05-31 | 2011-05-31 | LED (Light-Emitting Diode) fluorescent tube employing natural convection to radiate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201811320U CN202082688U (en) | 2011-05-31 | 2011-05-31 | LED (Light-Emitting Diode) fluorescent tube employing natural convection to radiate heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082688U true CN202082688U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201811320U Expired - Fee Related CN202082688U (en) | 2011-05-31 | 2011-05-31 | LED (Light-Emitting Diode) fluorescent tube employing natural convection to radiate heat |
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| CN (1) | CN202082688U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423146A (en) * | 2015-12-23 | 2016-03-23 | 袁志贤 | LED lamp longer in service life |
| CN106195651A (en) * | 2016-06-27 | 2016-12-07 | 安庆市奥立德光电有限公司 | A kind of durable spheroidal LED |
| CN106439544A (en) * | 2016-10-18 | 2017-02-22 | 安徽瑞雪照明股份有限公司 | LED lamp tube capable of radiating heat rapidly |
| WO2017107079A1 (en) * | 2015-12-23 | 2017-06-29 | 袁志贤 | Led lamp with enhanced service life |
| US10184651B2 (en) | 2013-07-04 | 2019-01-22 | Philips Lighting Holding B.V. | Lighting device with an optical element having a fluid passage |
-
2011
- 2011-05-31 CN CN2011201811320U patent/CN202082688U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10184651B2 (en) | 2013-07-04 | 2019-01-22 | Philips Lighting Holding B.V. | Lighting device with an optical element having a fluid passage |
| CN105423146A (en) * | 2015-12-23 | 2016-03-23 | 袁志贤 | LED lamp longer in service life |
| WO2017107079A1 (en) * | 2015-12-23 | 2017-06-29 | 袁志贤 | Led lamp with enhanced service life |
| CN106195651A (en) * | 2016-06-27 | 2016-12-07 | 安庆市奥立德光电有限公司 | A kind of durable spheroidal LED |
| CN106439544A (en) * | 2016-10-18 | 2017-02-22 | 安徽瑞雪照明股份有限公司 | LED lamp tube capable of radiating heat rapidly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XI AN FORLED NEW ENERGY TECHNOLOGY + ENGINEERING C Free format text: FORMER NAME: XI AN YIYANG NEW ENERGY TECHNOLOGY ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 10301, room 2, building 3, D District, Xi'an hi tech Zone, Shaanxi, 710075 Patentee after: Xi'an ForLED New Energy Technology & Engineering Co.,Ltd. Address before: 10301, room 2, building 3, D District, Xi'an hi tech Zone, Shaanxi, 710075 Patentee before: Xi'an Yi Yang New Energy Technology Project Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20160531 |