CN203868827U - Hard double-side light-emitting LED light bar - Google Patents
Hard double-side light-emitting LED light bar Download PDFInfo
- Publication number
- CN203868827U CN203868827U CN201420248144.4U CN201420248144U CN203868827U CN 203868827 U CN203868827 U CN 203868827U CN 201420248144 U CN201420248144 U CN 201420248144U CN 203868827 U CN203868827 U CN 203868827U
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- China
- Prior art keywords
- heat dissipation
- cooling base
- lamp bar
- double
- circuit board
- 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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- 238000001816 cooling Methods 0.000 claims description 42
- 238000002309 gasification Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005286 illumination Methods 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model belongs to the technical field of illumination, particularly relates to a hard double-side light-emitting LED light bar, and solves the technical problems that an LED lamp cannot emit light from double sides and is poor in heat dissipation and the like. The hard double-side light-emitting LED light bar comprises a heat dissipation device, wherein circuit boards are symmetrically arranged on two sides of the heat dissipation device, and a plurality of light emitting diodes are arranged on the circuit boards. The hard double-side light-emitting LED light bar is characterized in that the heat dissipation device comprises a heat dissipation base; side seats are arranged on the upper side and the lower side of the heat dissipation base; an accommodating cavity capable of accommodating the circuit boards is defined by the side seats and the heat dissipation base; clamps capable of clamping the circuit boards are arranged on the inner sides of the side seats; and a plurality of heat dissipation fins are arranged on the outer sides of the side seats. The hard double-side light-emitting LED light bar has the advantages as follows: the light bar is simple in structure, can emit light from double sides, and is suitable for an advertising lamp box; and the light emitting diodes are arranged at two ends of the heat dissipation base respectively and are close to the heat dissipation fins, the heat is easy to dissipate, and further, the overall size is smaller, so that the light bar is convenient to carry and transport, the heat dissipation effect is good, and the service life is long.
Description
Technical field
The utility model belongs to lighting technical field, especially relates to the hard lamp bar of a kind of LED double-side.
Background technology
Existing advertising lamp box mainly adopts traditional fluorescent tube as light emitting source, fluorescent tube contains mercury element can cause very large pollution to environment in producing and reclaiming, and its life-span short-range missile causes and adopts its lamp box maintenance cost as light emitting source very high, fluorescent tube is not energy-conservation in addition, can cause great energy waste.And along with the development of LED technology, have gradually the trend that replaces conventional fluorescent, but just one side is luminous mostly for LED of the prior art, another side is not luminous, to space, be a kind of waste, can not be applicable to advertising lamp box, in addition, LED lamp is that a kind of direct electric energy conversion is visible ray, its luminescence process is only luminous energy less than 30% Conversion of Energy, and most energy has changed into heat energy, and heat abstractor radiating effect of the prior art is poor, easily damage LED lamp, service life is short.
For prior art is improved, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of LED lamp device [application number: CN200910204661.5] with double-side illumination, comprise a cooling base, its tool one first surface and one second, this first surface is formed with first accommodation space with the first corresponding guide rail, and this second face is formed with second accommodation space with the second corresponding guide rail; Two LED lighting modules, it is arranged at respectively in first accommodation space and one second accommodation space of this cooling base; And two lampshades, it is covered on respectively the first accommodation space and this second accommodation space of this cooling base by this first corresponding guide rail and this second corresponding guide rail, in order to this two LED lighting module is covered.Make two LED lighting modules provide respectively illumination to relative both sides, and there is good radiating effect, reach the technology effect of the illumination zone that improves LED lamp device.
Although such scheme has solved the deficiencies in the prior art to a certain extent, can double-side illumination, radiating fin is arranged between first surface and second, the length of radiating fin is shorter, be subject to first surface and second 's restriction, area of dissipation is restricted, and integral heat sink effect is poor.
Summary of the invention
The purpose of this utility model is for the problems referred to above, and the hard lamp bar of LED double-side of a kind of simple in structure, good heat dissipation effect, long service life is provided.
For achieving the above object, the utility model has adopted following technical proposal: the hard lamp bar of this LED double-side, comprise heat abstractor, described heat abstractor two sides is arranged with circuit board, described circuit board is provided with several light emitting diodes, it is characterized in that, described heat abstractor comprises cooling base, the upper and lower sides of described cooling base be provided with side seat and side seat and cooling base surround can accommodating circuit board accommodating cavity, described side seat inner side is provided with the card that can engage circuit board, and outside is provided with several radiating fins.LED luminescence process, by electric energy conversion, to be become the process of luminous energy and heat energy, but only the energy less than % has changed into luminous energy, most energy changes into heat energy, if radiating effect is poor, the temperature that can cause P-N knot rising rapidly, accelerates the light decay of LED, even cause the thermal breakdown of destruction type, so good heat radiation is most important.The basic mode of general heat transmission comprises three kinds of hot conduction, thermal convection current, heat radiation, the hard lamp strip adoption heat conduction of this LED double-side and thermal convection current are dispelled the heat, first light emitting diode is passed to circuit board by heat, circuit board is passed to respectively cooling base and side seat again, radiating fin on side seat has increased and air contact area, thereby heat is passed to air by thermal convection current effect, realizes thermolysis.
At the hard lamp bar of above-mentioned LED double-side, described card tilts and becomes α angle with side seat, described α angle little Yu ゜ to cooling base direction.Be beneficial to engaging circuit board.
At the hard lamp bar of above-mentioned LED double-side, on described circuit board, only have a side to be provided with light emitting diode.Light emitting diode is located at cooling base sidepiece, is beneficial to light emitting diode and fast heat is delivered on side seat, and do not need through cooling base, certainly also can transfer heat to cooling base, good heat dissipation effect.
At the hard lamp bar of above-mentioned LED double-side, the light emitting diode on two circuit boards after installation is in a center of symmetry with respect to cooling base.Meeting under the requirement of double-side, by reducing the number of light emitting diode, reducing the generation of heat.
At the hard lamp bar of above-mentioned LED double-side, the described cooling base two ends fixture that has been threaded.
At the hard lamp bar of above-mentioned LED double-side, on described fixture, have for through wires hole.Be convenient to the access of circuit.
At the hard lamp bar of above-mentioned LED double-side, described circuit board binds on cooling base by water-resistant adhesives.Make to install more firm stable.
At the hard lamp bar of above-mentioned LED double-side, in described cooling base, be provided with back cavity, described back cavity both sides are provided with the gasification chamber paralleling with back cavity, and described gasification chamber is connected with the solidifying air cavity in being arranged on side seat, and the other end of described solidifying air cavity is connected with back cavity.The heat of light emitting diode is delivered to cooling base, and cooling base transfers heat to the liquid in gasification chamber, enters into solidifying air cavity after liquid gasification, after the thermal convection current of radiating fin, condenses, and finally flow in back cavity.
At the hard lamp bar of above-mentioned LED double-side, in the cavity of the connection that described gasification chamber, solidifying air cavity and back cavity form, be provided with the liquid that is easy to gasification.The described liquid that is easy to gasification comprises the hydro carbons that carbon number is.
Compared with prior art, the advantage of the hard lamp bar of this LED double-side is: simple in structure, can double-side, and be applicable to advertising lamp box; Light emitting diode is located at respectively the two ends of cooling base, and discrete heat fin is nearer, and heat is easy to distribute, and overall volume is less, easy to carry and transport, good heat dissipation effect, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the enlarged drawing of the heat abstractor that provides of the utility model.
Fig. 3 is the sectional view of the heat abstractor that provides of the utility model.
In figure, heat abstractor 1, circuit board 2, light emitting diode 3, cooling base 4, side seat 5, accommodating cavity 6, card 7, fixture 8, through wires hole 9, back cavity 10, gasification chamber 11, solidifying air cavity 12, radiating fin 13.
The specific embodiment
Embodiment 1
As Figure 1-3, the hard lamp bar of this LED double-side, comprise heat abstractor 1, heat abstractor 1 two sides is arranged with circuit board 2, and circuit board 2 is provided with several light emitting diodes 3, it is characterized in that, heat abstractor 1 comprises cooling base 4, the upper and lower sides of cooling base 4 be provided with side seat 5 and side seat 5 and cooling base 4 surround can accommodating circuit board 2 accommodating cavity 6, side seat 5 inner sides are provided with the card 7 that can engage circuit board 2, outside is provided with several radiating fins 13.LED luminescence process, by electric energy conversion, to be become the process of luminous energy and heat energy, but only less than 30% energy, changed into luminous energy, most energy changes into heat energy, if radiating effect is poor, the temperature that can cause P-N knot rising rapidly, accelerates the light decay of LED, even cause the thermal breakdown of destruction type, so good heat radiation is most important.The basic mode of general heat transmission comprises three kinds of hot conduction, thermal convection current, heat radiation, the hard lamp strip adoption heat conduction of this LED double-side and thermal convection current are dispelled the heat, first light emitting diode 3 is passed to circuit board 2 by heat, circuit board 2 is passed to respectively cooling base 4 and side seat 5 again, radiating fin 13 on side seat 5 has increased and air contact area, thereby heat is passed to air by thermal convection current effect, realizes thermolysis.
Wherein, card 7 to cooling base 4 directions tilt and with 5 one-tenths α angles of side seat, α angle is less than 90 ゜, is beneficial to and engages circuit board 2.As a kind of improvement, on circuit board 2, only have a side to be provided with light emitting diode 3, light emitting diode 3 is located at cooling base 4 sidepieces, being beneficial to light emitting diode 3 is delivered to heat on side seat 5 fast, and do not need through cooling base 4, certainly also can transfer heat to cooling base 4, good heat dissipation effect.As a kind of improvement, the light emitting diode 3 on two circuit boards 2 after installation is in a center of symmetry with respect to cooling base 4.Meeting under the requirement of double-side, by reducing the number of light emitting diode 3, reducing the generation of heat.The cooling base 4 two ends fixture 8 that has been threaded.On fixture 8, have for through wires hole 9, be convenient to the access of circuit.Circuit board 2 binds on cooling base 4 by water-resistant adhesives, makes to install more firm stable.As a kind of improvement, in cooling base 4, be provided with back cavity 10, back cavity 10 both sides are provided with the gasification chamber 11 paralleling with back cavity 10, and gasification chamber 11 is connected with the solidifying air cavity 12 in being arranged on side seat 5, and the other end of solidifying air cavity 12 is connected with back cavity 10.The heat of light emitting diode 3 is delivered to cooling base 4, and cooling base 4 transfers heat to the liquid in gasification chamber 11, enters into solidifying air cavity 12 after liquid gasification, after the thermal convection current of radiating fin 13, condenses, and finally flow in back cavity 10.In the cavity of the connection that gasification chamber 11, solidifying air cavity 12 and back cavity 10 form, be provided with the liquid that is easy to gasification, the liquid that is easy to gasification comprises that carbon number is 4 hydro carbons.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as heat abstractor 1, circuit board 2, light emitting diode 3, cooling base 4, side seat 5, accommodating cavity 6, card 7, fixture 8, through wires hole 9, back cavity 10, gasification chamber 11, solidifying air cavity 12, radiating fin 13 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (9)
1. the hard lamp bar of LED double-side, comprise heat abstractor (1), described heat abstractor (1) two sides is arranged with circuit board (2), described circuit board (2) is provided with several light emitting diodes (3), it is characterized in that, described heat abstractor (1) comprises cooling base (4), the upper and lower sides of described cooling base (4) be provided with side seat (5) and side seat (5) and cooling base (4) surround can accommodating circuit board (2) accommodating cavity (6), described side seat (5) inner side is provided with the card (7) that can engage circuit board (2), outside is provided with several radiating fins (13).
2. the hard lamp bar of LED double-side according to claim 1, is characterized in that, described card (7) tilts and becomes α angle with side seat (5) to cooling base (4) direction, and described α angle is less than 90 ゜.
3. the hard lamp bar of LED double-side according to claim 2, is characterized in that, only has a side to be provided with light emitting diode (3) on described circuit board (2).
4. the hard lamp bar of LED double-side according to claim 3, is characterized in that, the light emitting diode (3) on two circuit boards (2) after installation is in a center of symmetry with respect to cooling base (4).
5. the hard lamp bar of LED double-side according to claim 4, is characterized in that, described cooling base (4) the two ends fixture (8) that has been threaded.
6. the hard lamp bar of LED double-side according to claim 5, is characterized in that, has for through wires hole (9) on described fixture (8).
7. according to the hard lamp bar of the LED double-side described in any one in claim 1-6, it is characterized in that, described circuit board (2) binds on cooling base (4) by water-resistant adhesives.
8. according to the hard lamp bar of the LED double-side described in any one in claim 1-6, it is characterized in that, in described cooling base (4), be provided with back cavity (10), described back cavity (10) both sides are provided with the gasification chamber (11) paralleling with back cavity (10), described gasification chamber (11) is connected with the solidifying air cavity (12) in being arranged on side seat (5), and the other end of described solidifying air cavity (12) is connected with back cavity (10).
9. the hard lamp bar of LED double-side according to claim 8, is characterized in that, in the cavity of the connection that described gasification chamber (11), solidifying air cavity (12) and back cavity (10) form, is provided with the liquid that is easy to gasification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248144.4U CN203868827U (en) | 2014-05-14 | 2014-05-14 | Hard double-side light-emitting LED light bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248144.4U CN203868827U (en) | 2014-05-14 | 2014-05-14 | Hard double-side light-emitting LED light bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868827U true CN203868827U (en) | 2014-10-08 |
Family
ID=51649777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420248144.4U Expired - Fee Related CN203868827U (en) | 2014-05-14 | 2014-05-14 | Hard double-side light-emitting LED light bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042367A (en) * | 2015-07-22 | 2015-11-11 | 安徽爱莱特照明灯具有限公司 | LED decorative lamp |
| CN106764687A (en) * | 2016-12-27 | 2017-05-31 | 浙江雷士灯具有限公司 | The two-sided light-source structure of LED spotlight |
-
2014
- 2014-05-14 CN CN201420248144.4U patent/CN203868827U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042367A (en) * | 2015-07-22 | 2015-11-11 | 安徽爱莱特照明灯具有限公司 | LED decorative lamp |
| CN105042367B (en) * | 2015-07-22 | 2017-09-12 | 安徽爱莱特照明灯具有限公司 | A kind of LED decorative lamp |
| CN106764687A (en) * | 2016-12-27 | 2017-05-31 | 浙江雷士灯具有限公司 | The two-sided light-source structure of LED spotlight |
| CN106764687B (en) * | 2016-12-27 | 2019-01-22 | 浙江雷士灯具有限公司 | The two-sided light-source structure of LED spotlight |
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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: 20160324 Address after: 315400, No. 3-1, Xie Jia, Beijiao village, Yangming street, Ningbo, Zhejiang, Yuyao Patentee after: Lei Haiqiang Address before: 315400, No. 3-1, Xie Jia, Beijiao village, Yangming street, Ningbo, Zhejiang, Yuyao Patentee before: Ningbo L-Star Lighting Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150514 |
|
| EXPY | Termination of patent right or utility model |