CN205065303U - Light emitting diode (LED) lamp - Google Patents
Light emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN205065303U CN205065303U CN201420747995.3U CN201420747995U CN205065303U CN 205065303 U CN205065303 U CN 205065303U CN 201420747995 U CN201420747995 U CN 201420747995U CN 205065303 U CN205065303 U CN 205065303U
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- Prior art keywords
- led lamp
- heat
- outer cover
- heat sink
- luminescence component
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a light emitting diode (LED) lamp, including light -emitting component (1) and confession radiating radiator unit (2) are carried out in light -emitting component (1), light -emitting component (1) is including circuit board (3) and set up the LED lamp pearl (4) on circuit board (3), radiator unit (2) are including supplying light -emitting component (1) carry on radiating dustcoat (5) and with the distance heating panel (6) that dustcoat (5) lower extreme links to each other, aforesaid radiator unit (2) are still including supplying light -emitting component (1) to carry out the heat dissipation channel of radiating chimney formula, heat dissipation channel extends to dustcoat (5) top from heating panel (6) bottom and forms. The utility model provides a simple structure, the light emitting diode (LED) lamp that the heat dissipation is with low costs, the radiating effect is good.
Description
Technical field
The utility model relates to field of LED illumination, particularly relates to a kind of LED lamp.
Background technology
LED, because its luminous efficiency is high, long service life, free of contamination advantage, is widely used in production and life.Because each LED lamp bead component power is little, therefore LED lamp holder is all combined by connection in series-parallel by tens of or hundreds of LED lamp bead assemblies, and therefore LED produces a large amount of heats in luminescence process, if distributed not in time, greatly can reduce the light efficiency of LED, reduce the life-span of LED simultaneously.In prior art, especially high-power LED lamp, be generally install a radiator thereon to dispel the heat, such heat abstractor makes the complex structure of LED, and manufacturing cost is high, and large by the restriction of power.
The notification number of Chinese utility model patent is that CN202452186U discloses a kind of LED, comprise one or more LED chip, power supply and cover in the lamp back cover on described contrary with installed surface face, described LED chip and power supply are installed on installing plate, and face contrary with the installed surface installing described LED chip and power supply on described installing plate is rough and uneven in surface; In the utility model, the described face contrary with installed surface is wavy or wavy in triangle, and the inwall of described lamp back cover and/or outer wall are wavy or wavy in triangle.LED of the present utility model is by making folding shape by installing plate one side and the inner and/or outer wall of lamp back cover, although increase certain LED chip and power supply heat sinking area, improve radiating effect to a certain extent, but still there is following defect: the prior art still takes indirect heat radiation, therefore radiating effect is not good, and, this radiating mode, complex structure, manufacturing cost is high.
Summary of the invention
The utility model, for deficiency of the prior art, provides that a kind of structure is simple, heat radiation cost is low, the LED lamp of good heat dissipation effect.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of LED lamp, comprise luminescence component and supply described luminescence component to carry out the radiating subassembly dispelled the heat, the LED lamp bead that described luminescence component comprises circuit board and arranges on circuit boards, described radiating subassembly comprises the described luminescence component of confession and carries out the outer cover dispelled the heat and the heat sink be connected with described outer cover lower end inner wall; Aforesaid radiating subassembly also comprises the funnel-shaped heat dissipation channel that confession luminescence component carries out dispelling the heat, and described heat dissipation channel extends to outer cover top and formed bottom heat sink.
According to the utility model embodiment, alternatively, described heat sink is provided with the through hole for heat loss through convection.
According to the utility model embodiment, alternatively, described radiating subassembly also comprises thermal convection holes and heat radiation wall, and described through hole, heat radiation wall and thermal convection holes form aforementioned funnel-shaped heat dissipation channel.
According to the utility model embodiment, alternatively, described LED lamp bead dispersion is arranged on described circuit board.
According to the utility model embodiment, alternatively, described LED lamp comprises the lampshade that can carry out heat loss through radiation to radiating subassembly.
According to the utility model embodiment, alternatively, described lampshade is aforementioned outer cover, and LED lamp bead is positioned at lampshade.
According to the utility model embodiment, alternatively, inner surface and the outer surface of described lampshade are radiating surface, and described radiating surface forms the radiation area of luminescence component.
According to the utility model embodiment, alternatively, described heat sink is circular slab, and the outside bending in two ends of described heat sink forms the connecting portion be connected with the medial surface of described outer cover.
According to the utility model embodiment, alternatively, described heat radiation wall be outer cover from heat sink toward the inwall of upper part.
According to the utility model embodiment, alternatively, the base plate that described heat sink comprises annular and the deflector one upwards extended in the middle part of base plate, the outside bending in two ends of described base plate forms the connecting portion be connected with the medial surface of described outer cover.
According to the utility model embodiment, alternatively, described heat radiation wall is the inwall of deflector one.
According to the utility model embodiment, alternatively, described heat sink is circular slab, and the outside bending in two ends of described heat sink forms the connecting portion be connected with the medial surface of described outer cover.
The beneficial effects of the utility model:
(1) heat that, luminescence component of the present utility model produces forms funnel-shaped heat dissipation channel by through hole, heat radiation wall and thermal convection holes and dispels the heat, heat forms convection current from bottom to top, and distribute from heat dissipation channel, dispelled the heat by radiator compared to existing technology, obviously the heat on luminescence component is reduced to 5 °-15 °, good heat dissipation effect; (2), the dispersion of the LED lamp bead of luminescence component is arranged on described circuit board by the utility model patent, equivalent LED lamp bead on the unit heat sink material wasted work rate Q that falls apart significantly is reduced, add the heat carrier cross section of equivalence, to reach better radiating effect simultaneously; (3), the PN junction institute caloric value of LED lamp bead conducts to heat sink via thermal interfacial material and is in contact with it position, on heat sink, heat diffuses to whole heat sink by conduction pattern, then shell is conducted to by heat sink, especially the inner surface of lampshade and the radiation area of outer surface formation luminescence component, and the surfaces externally and internally of whole lampshade is all smooth, therefore, undertaken dispelling the heat by conduction pattern and radiation mode and also play a significant role, This further reduces junction temperature and rise Δ t, to reach better radiating effect.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of LED lamp embodiment one of the utility model;
Fig. 2 is the structural representation of a kind of LED lamp embodiment two of the utility model;
Fig. 3 is the structural representation of a kind of LED lamp embodiment three of the utility model.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the utility model the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in the utility model patent application specification and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different parts.Equally, the similar word such as " " or " " does not represent that quantity limits yet, but represents to there is at least one.
Embodiment one:
As shown in Figure 1, as embodiment of the present utility model, a kind of LED lamp, comprise luminescence component 1 and supply described luminescence component 1 to carry out the radiating subassembly 2 dispelled the heat, described luminescence component 1 comprises circuit board 3 and is arranged on the LED lamp bead 4 on circuit board 3, in the present embodiment, described LED lamp bead 4 dispersion is arranged on described circuit board 3; Described radiating subassembly 2 comprises the described luminescence component 1 of confession and carries out the outer cover 5 dispelled the heat and the heat sink 6 be connected with apart from described outer cover 5 lower end; Aforesaid radiating subassembly 2 also comprises the funnel-shaped heat dissipation channel that confession luminescence component 1 carries out dispelling the heat, and described heat dissipation channel extends to outer cover 5 top and formed bottom heat sink 6.
In the present embodiment, realize the heat loss through convection of LED, described heat sink 6 is provided with the through hole 7 for heat loss through convection, described outer cover 5 forms a pair heat radiation wall from heat sink 6 upper end toward the inwall of upper part, described thermal convection holes 8 is arranged on described outer cover 5, therefore, described through hole 7, heat radiation wall and thermal convection holes 8 form aforementioned funnel-shaped heat dissipation channel, heat forms convection current from bottom to top, and distribute from heat dissipation channel, dispelled the heat by radiator compared to existing technology, obviously the heat on luminescence component is reduced to 5 °-15 °, good heat dissipation effect.
In the present embodiment, described heat sink 6 is circular slab, and the outside bending in two ends of described heat sink 6 forms the connecting portion 9 be connected with the medial surface of described outer cover 5, and described connecting portion 9 is connected by welding or being fixed by connector etc. with described outer cover 5; Described circuit board 3 is bonded in the downside of heat sink 6 by heat-conducting glue.
For increasing area of dissipation, therefore preferred described outer cover 5 is the thin-wall semi shape structure of back-off.
And heat radiation of the present utility model is also dispelled the heat by radiation mode, the lampshade that can carry out heat loss through radiation to radiating subassembly 2 that described LED lamp comprises, described lampshade in the present embodiment is aforementioned outer cover 5, LED lamp bead 4 is positioned at lampshade, inner surface and the outer surface of described lampshade are radiating surface, described radiating surface forms the radiation area of luminescence component 1, therefore, undertaken dispelling the heat by conduction pattern and radiation mode and also play a significant role, This further reduces junction temperature and rise Δ t, to reach better radiating effect.
Embodiment two:
As shown in Figure 2, as embodiment of the present utility model, a kind of LED lamp, comprise luminescence component 1 and supply described luminescence component 1 to carry out the radiating subassembly 2 dispelled the heat, described luminescence component 1 comprises circuit board 3 and is arranged on the LED lamp bead 4 on circuit board 3, in the present embodiment, described LED lamp bead 4 dispersion is arranged on described circuit board 3; Described radiating subassembly 2 comprises the described luminescence component 1 of confession and carries out the outer cover 5 dispelled the heat and the heat sink 6 be connected with apart from described outer cover 5 lower end; Aforesaid radiating subassembly 2 also comprises the funnel-shaped heat dissipation channel that confession luminescence component 1 carries out dispelling the heat, and described heat dissipation channel extends to outer cover 5 top and formed bottom heat sink 6.
In the present embodiment, realize the heat loss through convection of LED, described heat sink 6 is provided with the through hole 7 for heat loss through convection, described deflector 1 forms a pair heat radiation wall from heat sink 6 upper end toward the inwall of upper part, described thermal convection holes 8 is arranged on described deflector 1, therefore, described through hole 7, heat radiation wall and thermal convection holes 8 form aforementioned funnel-shaped heat dissipation channel, heat forms convection current from bottom to top, and distribute from heat dissipation channel, dispelled the heat by radiator compared to existing technology, obviously the heat on luminescence component is reduced to 5 °-15 °, good heat dissipation effect.
In the present embodiment, the base plate 10 that described heat sink 6 comprises annular and the deflector 1 upwards extended in the middle part of base plate 10, the outside bending in two ends of described base plate 10 forms the connecting portion 9 be connected with the medial surface of described outer cover 5, and described connecting portion 9 is connected by welding or being fixed by connector etc. with described outer cover 5; Described circuit board 3 is bonded in the downside of heat sink 6 by heat-conducting glue.
For increasing area of dissipation, therefore preferred described outer cover 5 is the thin-wall semi shape structure of back-off.
And heat radiation of the present utility model is also dispelled the heat by radiation mode, the lampshade that can carry out heat loss through radiation to radiating subassembly 2 that described LED lamp comprises, described lampshade in the present embodiment is aforementioned outer cover 5, LED lamp bead 4 is positioned at lampshade, inner surface and the outer surface of described lampshade are radiating surface, described radiating surface forms the radiation area of luminescence component 1, therefore, undertaken dispelling the heat by conduction pattern and radiation mode and also play a significant role, This further reduces junction temperature and rise Δ t, to reach better radiating effect.
Embodiment three:
As shown in Figure 3, as embodiment of the present utility model, a kind of LED lamp, comprise luminescence component 1 and supply described luminescence component 1 to carry out the radiating subassembly 2 dispelled the heat, described luminescence component 1 comprises circuit board 3 and is arranged on the LED lamp bead 4 on circuit board 3, in the present embodiment, described LED lamp bead 4 dispersion is arranged on described circuit board 3; Described radiating subassembly 2 comprises the described luminescence component 1 of confession and carries out the outer cover 5 dispelled the heat and the heat sink 6 be connected with apart from described outer cover 5 lower end; Aforesaid radiating subassembly 2 also comprises the funnel-shaped heat dissipation channel that confession luminescence component 1 carries out dispelling the heat, and described heat dissipation channel extends to outer cover 5 top and formed bottom heat sink 6.
In the present embodiment, realize the heat loss through convection of LED, described heat sink 6 is provided with the through hole 7 for heat loss through convection, described deflector 2 12 forms a pair heat radiation wall from heat sink 6 upper end toward the inwall of upper part, described thermal convection holes 8 is arranged on described deflector 2 12, therefore, described through hole 7, heat radiation wall and thermal convection holes 8 form aforementioned funnel-shaped heat dissipation channel, heat forms convection current from bottom to top, and distribute from heat dissipation channel, dispelled the heat by radiator compared to existing technology, obviously the heat on luminescence component is reduced to 5 °-15 °, good heat dissipation effect.
In the present embodiment, described heat sink 6 is circular slab, and the outside bending in two ends of described heat sink 6 forms the connecting portion 9 be connected with the medial surface of described outer cover 5, and described connecting portion 9 is connected by welding or being fixed by connector etc. with described outer cover 5; Described circuit board 3 is bonded in the downside of heat sink 6 by heat-conducting glue.
For increasing area of dissipation, therefore preferred described outer cover 5 is the thin-wall semi shape structure of back-off.
And heat radiation of the present utility model is also dispelled the heat by radiation mode, the lampshade that can carry out heat loss through radiation to radiating subassembly 2 that described LED lamp comprises, described lampshade in the present embodiment is aforementioned outer cover 5, LED lamp bead 4 is positioned at lampshade, inner surface and the outer surface of described lampshade are radiating surface, described radiating surface forms the radiation area of luminescence component 1, therefore, undertaken dispelling the heat by conduction pattern and radiation mode and also play a significant role, This further reduces junction temperature and rise Δ t, to reach better radiating effect.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (11)
1. a LED lamp, comprise luminescence component (1) and supply described luminescence component (1) to carry out the radiating subassembly (2) dispelled the heat, described luminescence component (1) comprises circuit board (3) and is arranged on the LED lamp bead (4) on circuit board (3), it is characterized in that: described radiating subassembly (2) comprises the described luminescence component of confession (1) and carries out the outer cover (5) dispelled the heat and the heat sink (6) be connected with described outer cover (5) lower end inner wall; Aforesaid radiating subassembly (2) also comprises the funnel-shaped heat dissipation channel that confession luminescence component (1) is carried out dispelling the heat, and described heat dissipation channel extends to outer cover (5) top from heat sink (6) bottom and formed.
2. LED lamp according to claim 1, is characterized in that: described heat sink (6) is provided with the through hole (7) for heat loss through convection.
3. LED lamp according to claim 2, it is characterized in that: described radiating subassembly (2) also comprises thermal convection holes (8) and heat radiation wall, and described through hole (7), heat radiation wall and thermal convection holes (8) form aforementioned funnel-shaped heat dissipation channel.
4. LED lamp according to claim 3, is characterized in that: described LED lamp bead (4) dispersion is arranged on described circuit board (3).
5. LED lamp according to claim 4, is characterized in that: described LED lamp comprises the lampshade that can carry out heat loss through radiation to radiating subassembly (2).
6. LED lamp according to claim 5, is characterized in that: described lampshade is aforementioned outer cover (5), and LED lamp bead (4) is positioned at lampshade.
7. LED lamp according to claim 6, is characterized in that: inner surface and the outer surface of described lampshade are radiating surface, and described radiating surface forms the radiation area of luminescence component (1).
8. LED lamp according to claim 7, it is characterized in that: described heat sink (6) is circular slab, the outside bending in two ends of described heat sink (6) forms the connecting portion (9) be connected with the medial surface of described outer cover (5).
9. LED lamp according to claim 8, is characterized in that: described heat radiation wall is the inwall of outer cover (5) from the past upper part of heat sink (6).
10. LED lamp according to claim 7, it is characterized in that: the base plate (10) that described heat sink (6) comprises annular and the deflector one (11) upwards extended from base plate (10) middle part, the outside bending in two ends of described base plate (10) forms the connecting portion (9) be connected with the medial surface of described outer cover (5); Described heat radiation wall is the inwall of deflector one (11).
11. LED lamp according to claim 7, it is characterized in that: described heat sink (6) is circular slab, the outside bending in two ends of described heat sink (6) forms the connecting portion (9) be connected with the medial surface of described outer cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747995.3U CN205065303U (en) | 2014-12-03 | 2014-12-03 | Light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747995.3U CN205065303U (en) | 2014-12-03 | 2014-12-03 | Light emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205065303U true CN205065303U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420747995.3U Expired - Fee Related CN205065303U (en) | 2014-12-03 | 2014-12-03 | Light emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205065303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565909A (en) * | 2014-12-03 | 2015-04-29 | 方恒 | LED (light emitting diode) lamp |
-
2014
- 2014-12-03 CN CN201420747995.3U patent/CN205065303U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565909A (en) * | 2014-12-03 | 2015-04-29 | 方恒 | LED (light emitting diode) 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: 20160302 Termination date: 20181203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |