CN102384373A - Light-emitting diode lamp - Google Patents
Light-emitting diode lamp Download PDFInfo
- Publication number
- CN102384373A CN102384373A CN2010102717237A CN201010271723A CN102384373A CN 102384373 A CN102384373 A CN 102384373A CN 2010102717237 A CN2010102717237 A CN 2010102717237A CN 201010271723 A CN201010271723 A CN 201010271723A CN 102384373 A CN102384373 A CN 102384373A
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- Prior art keywords
- dust excluding
- chamber
- air intake
- intake vent
- excluding plate
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Abstract
A light-emitting diode lamp comprises a casing, a partition plate, a fan, a light-emitting diode light source and a heat dissipation element, wherein the casing is provided with a light emitting surface, a first lateral face and a second lateral face, and the first lateral face and the second lateral face are located on two sides of the light emitting surface. The first lateral face is provided with an air inlet, the second lateral face is provided with an air outlet, and the partition plate is provided with a venting opening and arranged in the casing to divide the inside of the casing into a first chamber and a second chamber. The first chamber is communicated with the air inlet, the second chamber is communicated with the air outlet, and the fan is arranged on the partition plate, located in the first chamber and aligned with the venting opening. The light-emitting diode light source is arranged in the second chamber and exposed by the light emitting surface. The heat dissipation element is connected with the light-emitting diode light source and aligned with the venting opening. Heat dissipation air flow is guided by the fan to enter the first chamber from the air inlet, flows into the second chamber through the venting opening, passes through the heat dissipation element, and is discharged out of the casing through the air outlet.
Description
[technical field]
The invention relates to a kind of light fixture, and particularly relevant for a kind of led lamp.
[background technology]
Light emitting diode (Light Emitting Diode; LED) be a kind of by the light-emitting component that semi-conducting material constituted that contains III-V family element; And that light emitting diode has is long such as the life-span, volume is little, high shock resistance, low-heat produces and advantage such as low power consumption, therefore has been widely used in indicator or the light source in family expenses and the various device.In recent years, light emitting diode is towards the development of multicolour and high brightness, so its application has extended to large-scale billboards, court illumination or in order to decorate, to intersperse and build thing.In future, light emitting diode even possibly become the main lighting source that has power saving and environment-friendly function concurrently.
The heat energy that is produced during lumination of light emitting diode can be discharged light fixture by the mode of free convection or forced convertion.With the radiating mode of forced convertion, can guide flowing of radiating airflow by fan, its radiating efficiency can be higher than the radiating efficiency of free convection.
Yet; Utilize fan to carry out forced convertion, need at lamp outer casing perforate cooling air to be set and get into lamp interior, dust is easily along with air-flow gets into light fixture thus; The accumulation of dust can influence the normal operation of each member in the light fixture, and the reliability of light fixture is affected.In addition, when light fixture is set to up shine (like wall lamp or advertisement plate lamp), rainwater gets into lamp interior along the perforate of lamp outer casing easily, so the reliability of light fixture is affected.
United States Patent (USP) numbering US2007/0081338 discloses a kind of lamp post structure, and its mode with forced convertion is dispelled the heat.In addition, United States Patent (USP) numbering US2010/0135025 discloses a kind of illumination module, and it also dispels the heat with the mode of forced convertion.
[summary of the invention]
The present invention proposes a kind of led lamp, can reduce rainwater and dust and get into the inner probability of led lamp, and have preferable radiating efficiency.
Other purposes of the present invention and advantage can further be understood from the technical characterictic that the present invention disclosed.
For reaching one of above-mentioned or partly or all purposes or other purposes, one of the present invention embodiment provides a kind of led lamp, comprises shell, dividing plate, fan, LED source and heat dissipation element.Shell has exiting surface and lays respectively at first side and second side of exiting surface both sides, and wherein first side has air intake vent, and second side has air outlet.Dividing plate is disposed in the shell, and enclosure is divided into first chamber and second chamber, and wherein first chamber is communicated with air intake vent, and second chamber is communicated with air outlet, and dividing plate has ventilating opening.Fan arrangement is on dividing plate and be positioned at first chamber, and to being positioned at ventilating opening.LED source is disposed at second chamber and is exposed by exiting surface.Heat dissipation element is connected in LED source and to being positioned at ventilating opening, radiating airflow flow to second chamber through fan and ventilating opening and passes through heat dissipation element in order to get into first chamber by the guiding of fan from air intake vent, and sees through air outlet discharge shell.
Described led lamp is characterized in that: more comprise: one first dust excluding plate is disposed on this dividing plate and in the face of this air intake vent, wherein this radiating airflow this first dust excluding plate of before arriving this fan, flowing through.
Described led lamp is characterized in that: have one first distance between the upper limb of this first dust excluding plate and this dividing plate, have a second distance between the upper limb of this air intake vent and this dividing plate, this first distance greater than or equal this second distance in fact.
Described led lamp is characterized in that: more comprise: two second dust excluding plates are connected to the dual-side of this first dust excluding plate, and extend to the dual-side of this air intake vent respectively.
Described led lamp is characterized in that: more comprise: one the 3rd dust excluding plate is connected in the upper limb of this first dust excluding plate, and extends to the upper limb of this air intake vent.
Described led lamp is characterized in that: more comprise: two second dust excluding plates are connected to the dual-side of this first dust excluding plate, and extend to the dual-side of this air intake vent respectively; And
One the 3rd dust excluding plate is connected in the upper limb of this first dust excluding plate, and extends to the upper limb of this air intake vent, and wherein this first dust excluding plate has a plurality of air vents.
Described led lamp is characterized in that: more comprise: an Air Filter is disposed at this shell and covers this air intake vent or this air outlet.
Described led lamp is characterized in that: this heat dissipation element is a radiating fin group.
Based on above-mentioned; In the above embodiment of the present invention; Air intake vent and air outlet all are positioned at the side of shell, make rainwater and dust be difficult for seeing through air intake vent and air outlet gets into enclosure, decrease because of rainwater and effect of dust with the reliability of avoiding led lamp.In addition; Dividing plate is divided into first chamber and second chamber with enclosure; Fan is arranged on the dividing plate, and LED source and heat dissipation element all are disposed in second chamber, use make radiating airflow get into second chamber and absorb the heat energy that LED source is passed to heat dissipation element from first chamber after; Be back to first chamber because of the isolation of dividing plate is unlikely, and can promote radiating efficiency.
For let state feature and advantage on the present invention can be more obviously understandable, hereinafter is special lifts a plurality of embodiment, and cooperates appended graphicly, elaborates as follows.
[description of drawings]
Fig. 1 is the stereogram of the led lamp of one embodiment of the invention.
Fig. 2 is the explosive view of the led lamp of Fig. 1.
Fig. 3 is the part-structure schematic side view of the led lamp of Fig. 1.
Fig. 4 is that the led lamp of another embodiment of the present invention is in the partial perspective view at air intake vent place.
Fig. 5 is that the led lamp of another embodiment of the present invention is in the partial perspective view at air intake vent place.
Fig. 6 is that the led lamp of another embodiment of the present invention is in the partial perspective view at air intake vent place.
Fig. 7 is that the led lamp of another embodiment of the present invention is in the partial sectional view at air intake vent place.
Fig. 8 is that the led lamp of another embodiment of the present invention is in the partial sectional view at air outlet place.
50: radiating airflow
100: led lamp
110,510,610: shell
110a, 210a, 310a, 410a, 510a: air intake vent
110b, 610b: air outlet
110c: first chamber
110d: second chamber
112: exiting surface
114,116: the side
118: loam cake
119: base plate
119a: opening
120,220,320,420: dividing plate
122: ventilating opening
130: fan
140: LED source
150: heat dissipation element
160,260,270,360,370,460,470,480: dust excluding plate
170: transformer
180: compartment
462: air vent
590,690: Air Filter
D1: first distance
D2: second distance
[specific embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to graphic a plurality of embodiment, can clearly appear.The direction term of being mentioned in following examples, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to annexed drawings.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the present invention.
Fig. 1 is the stereogram of the led lamp of one embodiment of the invention.Fig. 2 is the explosive view of the led lamp of Fig. 1.Fig. 3 is the part-structure schematic side view of the led lamp of Fig. 1.Please refer to Fig. 1 to Fig. 3, the led lamp 100 of present embodiment comprises shell 110, dividing plate 120, fan 130 (illustrate is four), LED source 140 (illustrate is four) and heat dissipation element 150 (illustrate is four).
Configuration mode by this; After radiating airflow 50 gets into the second chamber 110d and absorbs the heat energy that LED source 140 is passed to heat dissipation element 150 from the first chamber 110c; Be back to the first chamber 110c because of the isolation of dividing plate 120 is unlikely, and can promote radiating efficiency.In addition; Air intake vent 110a is positioned at the side 114 of shell 110; And air outlet 110b is positioned at the side 116 of shell 110; Make rainwater and dust be difficult for seeing through air intake vent 110a and air outlet 110b gets into shell 110 inside, the reliability of avoiding near-infrafed photodiodes light fixture 100 decreases because of rainwater and effect of dust.
Please refer to Fig. 2, the shell 110 of present embodiment is made up of loam cake 118 and 119 of base plates, and base plate 119 has in order to expose the opening 119a (illustrate is four) of LED source 140.In addition, please refer to Fig. 1 and Fig. 3, more can on dividing plate 120, dispose members such as transformer 170 and compartment 180, compartment 180 is in order to hold the electric connector that is disposed on the dividing plate 120 to reach waterproof effect.
In the present embodiment, led lamp 100 more comprises dust excluding plate 160.Dust excluding plate 160 is disposed on the dividing plate 120 and faces air intake vent 110a; Use and make radiating airflow 50 dust excluding plate 160 of before arriving fan 130, can flowing through earlier; Being barred from the dust excluding plate 160, further promote dustproof effect along with the dust that radiating airflow 50 gets in the shell 110.In detail, when radiating airflow 50 was flowed through dust excluding plate 160, dust excluding plate 160 surfaces can form the boundary layer because of frictional force, and the flow velocity of the radiating airflow of dust excluding plate 160 surfaces is reduced, and let dust be easy to be attached to dust excluding plate 160.
The dust excluding plate 160 of present embodiment can be plastic cement, metal or other suitable materials, the invention is not restricted to this.In addition; Please refer to Fig. 3, in detail, have first distance B 1 between the upper limb of the dust excluding plate 160 of present embodiment and the dividing plate 120; Have second distance D2 between the upper limb of air intake vent 110a and the dividing plate 120, first distance B 1 greater than or equal (illustrate into greater than) second distance D2 in fact.Configuration mode can be guaranteed can receive stopping of dust excluding plate 160 and mobile along dust excluding plate 160 surfaces from the radiating airflow 50 that air intake vent 110a gets into by this, reaches the accumulation dust in the effect of dust excluding plate 160.In addition, dust excluding plate 160 also has the function of rain cover, and the rainwater splash of further avoiding the external world is to each member that is disposed in the shell 110.
Fig. 4 is that the led lamp of another embodiment of the present invention is in the partial perspective view at air intake vent place.Please refer to Fig. 4, in the present embodiment, prevent dust by dust excluding plate 260 and two dust excluding plates 270 that are connected in dust excluding plate 260.In detail, dust excluding plate 260 is disposed on the dividing plate 220 and faces air intake vent 210a, and two dust excluding plates 270 are connected to the dual-side of dust excluding plate 260, and extend to the dual-side of air intake vent 210a respectively.Radiating airflow can be stopped by dust excluding plate 260 and dust excluding plate 270 after air intake vent 210a gets into, make dust be easy to be attached to dust excluding plate 260 and dust excluding plate 270.
Fig. 5 is that the led lamp of another embodiment of the present invention is in the partial perspective view at air intake vent place.Please refer to Fig. 5, in the present embodiment, prevent dust by dust excluding plate 360 and the dust excluding plate 370 that is connected in dust excluding plate 360.In detail, dust excluding plate 360 is disposed on the dividing plate 320 and faces air intake vent 310a, and dust excluding plate 370 is connected in the upper limb of dust excluding plate 360, and extends to the upper limb of air intake vent 310a.Radiating airflow can be stopped by dust excluding plate 360 and dust excluding plate 370 after air intake vent 310a gets into, make dust be easy to be attached to dust excluding plate 360 and dust excluding plate 370.
Fig. 6 is that the led lamp of another embodiment of the present invention is in the partial perspective view at air intake vent place.Please refer to Fig. 6, in the present embodiment, prevent dust with dust excluding plate 480 by dust excluding plate 460 and two dust excluding plates 470 that are connected in dust excluding plate 460.In detail; Dust excluding plate 460 is disposed on the dividing plate 420 and in the face of air intake vent 410a, dust excluding plate 480 is connected in the upper limb of dust excluding plate 460, and extends to the upper limb of air intake vent 410a; Two dust excluding plates 470 are connected to the dual-side of dust excluding plate 460, and extend to the dual-side of air intake vent 410a respectively.Radiating airflow can be stopped by dust excluding plate 460, dust excluding plate 470 and dust excluding plate 480 after air intake vent 410a gets into, make dust be easy to be attached to dust excluding plate 460, dust excluding plate 470 and dust excluding plate 480.In addition, because under the configuration mode of present embodiment, air intake vent 410a is by dust excluding plate 460, dust excluding plate 470 and dust excluding plate 480 complete cappings, so dust excluding plate 460 is provided with a plurality of air vents 462, and the confession radiating airflow passes through.
Fig. 7 is that the led lamp of another embodiment of the present invention is in the partial sectional view at air intake vent place.Please refer to Fig. 7, in the present embodiment, cover the Air Filter 590 of air intake vent 510a in shell 510 configurations.Air Filter 590 can stop along with the dust of radiating airflow through air intake vent 510a, with the dustproof effect of further lifting.Fig. 8 is that the led lamp of another embodiment of the present invention is in the partial sectional view at air outlet place.Please refer to Fig. 8, in the present embodiment, cover the Air Filter 690 of air outlet 610b in shell 610 configurations.Air Filter 690 can avoid extraneous dust to get in the led lamp via air outlet 610b, with the dustproof effect of further lifting.
In sum; In the above embodiment of the present invention; Air intake vent and air outlet all are positioned at the side of shell, make rainwater and dust be difficult for seeing through air intake vent and air outlet gets into enclosure, decrease because of rainwater and effect of dust with the reliability of avoiding led lamp.In addition; Dividing plate is divided into first chamber and second chamber with enclosure; Fan is arranged on the dividing plate, and LED source and heat dissipation element all are disposed in second chamber, use make radiating airflow get into second chamber and absorb the heat energy that LED source is passed to heat dissipation element from first chamber after; Be back to first chamber because of the isolation of dividing plate is unlikely, and can promote radiating efficiency.
The above; Be merely the present invention's preferred embodiment; When the scope that can not limit the present invention's enforcement with this, promptly change and modification according to claim of the present invention and the simple equivalent done of invention description generally, all still belong in the scope that patent of the present invention contains.In addition, arbitrary embodiment of the present invention or claim must not reached whole purposes or advantage or the characteristics that the present invention discloses.
Claims (8)
1. led lamp comprises:
One shell has an exiting surface and lays respectively at one first side and one second side of these exiting surface both sides, and wherein this first side has an air intake vent, and this second side has an air outlet;
One dividing plate is disposed in this shell, and this enclosure is divided into one first chamber and one second chamber, and wherein this first chamber is communicated with this air intake vent, and this second chamber is communicated with this air outlet, and this dividing plate has a ventilating opening;
One fan is disposed on this dividing plate and is positioned at this first chamber, and to being positioned at this ventilating opening;
One LED source is disposed in this second chamber and is exposed by this exiting surface; And
One heat dissipation element; Be connected in this LED source and to being positioned at this ventilating opening; One radiating airflow is in order to get into this first chamber by the guiding of this fan from this air intake vent; Flow to this second chamber through this fan and this ventilating opening and pass through this heat dissipation element, and see through this this shell of air outlet discharge.
2. led lamp as claimed in claim 1 is characterized in that: more comprise: one first dust excluding plate is disposed on this dividing plate and in the face of this air intake vent, wherein this radiating airflow this first dust excluding plate of before arriving this fan, flowing through.
3. led lamp as claimed in claim 2; It is characterized in that: have one first distance between the upper limb of this first dust excluding plate and this dividing plate; Have a second distance between the upper limb of this air intake vent and this dividing plate, this first distance greater than or equal this second distance in fact.
4. led lamp as claimed in claim 2 is characterized in that: more comprise: two second dust excluding plates are connected to the dual-side of this first dust excluding plate, and extend to the dual-side of this air intake vent respectively.
5. led lamp as claimed in claim 2 is characterized in that: more comprise: one the 3rd dust excluding plate is connected in the upper limb of this first dust excluding plate, and extends to the upper limb of this air intake vent.
6. led lamp as claimed in claim 2 is characterized in that: more comprise: two second dust excluding plates are connected to the dual-side of this first dust excluding plate, and extend to the dual-side of this air intake vent respectively; And
One the 3rd dust excluding plate is connected in the upper limb of this first dust excluding plate, and extends to the upper limb of this air intake vent, and wherein this first dust excluding plate has a plurality of air vents.
7. led lamp as claimed in claim 1 is characterized in that: more comprise: an Air Filter is disposed at this shell and covers this air intake vent or this air outlet.
8. led lamp as claimed in claim 1 is characterized in that: this heat dissipation element is a radiating fin group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102717237A CN102384373A (en) | 2010-08-31 | 2010-08-31 | Light-emitting diode lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102717237A CN102384373A (en) | 2010-08-31 | 2010-08-31 | Light-emitting diode lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102384373A true CN102384373A (en) | 2012-03-21 |
Family
ID=45824050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102717237A Pending CN102384373A (en) | 2010-08-31 | 2010-08-31 | Light-emitting diode lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384373A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406102A (en) * | 2014-12-25 | 2015-03-11 | 贵阳丰久昌信息技术有限公司 | Self-cleaning type streetlamp |
| CN107246573A (en) * | 2017-07-21 | 2017-10-13 | 佛山市正略信息科技有限公司 | A kind of LED lamp for kitchen use for being easy to clean |
| CN107315271A (en) * | 2017-07-22 | 2017-11-03 | 佛山市正略信息科技有限公司 | A kind of safe easy heat radiation LED display of adjustable point spacing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118052A (en) * | 2007-09-25 | 2008-02-06 | 王其林 | LED lamp heat radiation method applying cross-ventilation warehouse |
| CN201149228Y (en) * | 2007-08-14 | 2008-11-12 | 福建源光亚明电器有限公司 | Street lamp |
| CN101561090A (en) * | 2009-03-02 | 2009-10-21 | 陈高山 | LED lamp module with heat dissipating device |
| CN201330951Y (en) * | 2008-12-31 | 2009-10-21 | 张书勤 | Lamp structure with radiating circulation system |
| CN101581416A (en) * | 2008-05-15 | 2009-11-18 | 鸿富锦精密工业（深圳）有限公司 | Illuminator |
-
2010
- 2010-08-31 CN CN2010102717237A patent/CN102384373A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149228Y (en) * | 2007-08-14 | 2008-11-12 | 福建源光亚明电器有限公司 | Street lamp |
| CN101118052A (en) * | 2007-09-25 | 2008-02-06 | 王其林 | LED lamp heat radiation method applying cross-ventilation warehouse |
| CN101581416A (en) * | 2008-05-15 | 2009-11-18 | 鸿富锦精密工业（深圳）有限公司 | Illuminator |
| CN201330951Y (en) * | 2008-12-31 | 2009-10-21 | 张书勤 | Lamp structure with radiating circulation system |
| CN101561090A (en) * | 2009-03-02 | 2009-10-21 | 陈高山 | LED lamp module with heat dissipating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406102A (en) * | 2014-12-25 | 2015-03-11 | 贵阳丰久昌信息技术有限公司 | Self-cleaning type streetlamp |
| CN107246573A (en) * | 2017-07-21 | 2017-10-13 | 佛山市正略信息科技有限公司 | A kind of LED lamp for kitchen use for being easy to clean |
| CN107315271A (en) * | 2017-07-22 | 2017-11-03 | 佛山市正略信息科技有限公司 | A kind of safe easy heat radiation LED display of adjustable point spacing |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120321 |