CN104006364A - Heat dissipating structure of portable LED (light emitting diode) lamp - Google Patents
Heat dissipating structure of portable LED (light emitting diode) lamp Download PDFInfo
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- CN104006364A CN104006364A CN201310062785.0A CN201310062785A CN104006364A CN 104006364 A CN104006364 A CN 104006364A CN 201310062785 A CN201310062785 A CN 201310062785A CN 104006364 A CN104006364 A CN 104006364A
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- lamp
- led lamp
- heat radiation
- lamp body
- radiation rack
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Abstract
The invention discloses a heat dissipating structure of a portable LED lamp. The heat dissipating structure of the portable LED lamp comprises a lamp body formed by snapping a left housing and a right housing, and a lamp holder fixed onto the lamp body. An LED chip is fixed inside the lamp holder; a heat dissipating rack is adhered to the rear end surface of the LED chip and provided with circumferentially-radiated head dissipating fins; the snap-connecting portion of the housings of the lamp body is provided with heat dissipating holes. Heat gathered on the LED chip can be timely dissipated through the heat dissipating rack, so that lighting efficiency reduction, service life shortening or abrupt breakdown of the LED chip due to overheating can be avoided; the heat dissipating hole exchanges air between the inside and the outside of the lamp body and takes away a part of heat to avoid overheating due to long-time working of the LED lamp. The heating dissipating structure of the portable LED lamp is simple and reliable in structure and convenient to machine and assemble.
Description
Technical field
The present invention relates to a kind of radiator structure of portable lamp.
Background technology
LED is as solid state light emitter of new generation, there is the plurality of advantages such as long, energy-efficient, environmental protection of life-span, be widely used in the fields such as demonstration, illumination, along with development in science and technology, advanced technology is constantly applied in semiconductor production, the luminous efficiency of LED is constantly promoted, cost continuous decrease.The core of LED is PN junction, and injected electrons and hole are directly converted to luminous energy at PN junction compound tense electric energy, but the luminous energy of not all conversion all enough emits, and it can be absorbed into heat energy in PN junction, epoxy resin or silica gel inside.This heat energy produces huge side effect to light fixture, if can not efficiently radiates heat, can make LED internal temperature raise, the luminous efficiency of LED decreases, and affect the life-span of LED, under critical conditions, can cause LED chip to lose efficacy at once, so one of the bottleneck that heat radiation is high-powered LED lamp applies and obstacle.Heat radiation is even more important for the special light fixture of some outdoor uses, because if heat is constantly assembled on chip, distributes and does not go out, and can form high temperature, may be explosion caused.
Summary of the invention
In order to overcome the LED lamp of prior art, especially powerful Portable LED lamp heat dispersion is poor, and LED chip easily lost efficacy, and may cause the deficiency of security incident, the invention provides a kind of radiator structure of Portable LED lamp.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of radiator structure of Portable LED lamp, comprise the lamp body being formed by the housing engaging of two of left and right, and be fixed on the lamp holder on lamp body, described lamp holder inside is fixed with LED chip, the laminating of LED chip rear end face is provided with heat radiation rack, described heat radiation rack has the radiating fin of circumferentially dispersing, and the housing engagement connection place of described lamp body is provided with louvre.
Further, on described lamp body, be provided with handle, described handle inner side is provided with louvre.
Further, on the housing of described lamp body, form groove, the medial surface of described groove is provided with louvre.
Further, described heat radiation rack is corresponding lamp body housing place, top and lamp body housing place, below are provided with louvre.
In order timely and effectively the heat on LED chip to be conducted, described heat radiation rack comprises the skeleton being cross-shaped cross, and the end of described skeleton is provided with the radiating fin of outwards dispersing centered by this end.
Further, described LED chip comprises the LED lamp pearl of a plurality of parallel connections, and described LED lamp pearl correspondence is positioned at the anterior position of heat radiation rack skeleton.
Further, described radiating fin end is provided with U-shaped bifurcated.
Further, described LED chip is pasted and is connected with heat radiation rack subsides merga pass heat-conducting glue.
For the ease of heat radiation rack is positioned to installation, described heat radiation rack outer rim is roughly the cube shaped at four Edge Blend angles.
The invention has the beneficial effects as follows: by heat radiation rack by the heat of assembling on LED chip conduction in time out, can prevent that luminous efficiency reduction, the service life of the overheated initiation of LED chip from reducing or catastrophic failure; By louvre, carry out the inside and outside air exchange of lamp body, and take away a part of heat, prevent that the LED light fixture initiation temperature that works long hours is too high; Simple and reliable for structure, be convenient to process and assemble.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of another angle of the present invention;
Fig. 3 is the structural representation that the present invention takes off a housing;
Fig. 4 is LED wick in the present invention and the structure broken away view of heat radiation rack.
The specific embodiment
LED light fixture caloric value is very large, and this is the feature of LED light fixture, and except the heat radiation of LED light fixture itself, the heating of power supply also can not be ignored, a high efficiency power supply, and caloric value is very little, still, along with the increase of power, just can not look down upon.So the general larger power supply of power all installs to the outside of lamp, from the certain distance of light fixture, or adopt external power supply, but can affect the portability of light fixture like this.If can not fully take into account in design the heat dissipation problem of light fixture integral body, will have influence on the performance of LED light fixture, also can affect the service life of LED light fixture.
Heat can conduct mutually exchange, if do not exchanged, is not just equivalent to keeping warm mode, and the heat radiation of light fixture will shed the heat sending exactly, so just can not make the too high heat of gathering on LED chip 21.Heat has several radiating modes, mainly comprises that conduction, width penetrate and convection current.Conduction: be the motion of heat in object; Width is penetrated: be the transmission of light, what the light of general LED light fixture produced is cold light source, and the heat of breaking forth does not almost have heat, and this point can be ignored; Convection current: can pass through air borne, forced heat radiation is to dispel the heat by the mobile of cooling liquid or air, and the effect of forced heat radiation is best.
Referring to figs. 1 through Fig. 4, the radiator structure of a kind of Portable LED lamp of the present invention, comprise the lamp body 1 being formed by the housing engaging of two of left and right, and be fixed on the lamp holder 2 on lamp body 1, described lamp holder 2 inside are fixed with LED chip 21, LED chip 21 rear end face laminatings are provided with heat radiation rack 22, and described heat radiation rack 22 has the radiating fin 221 of circumferentially dispersing, and the housing engagement connection place of described lamp body 1 is provided with louvre 11.
In this specific embodiment, on described lamp body 1, be provided with handle 12, described handle 12 inner sides are provided with louvre 11, as shown in Figure 3; On the housing of described lamp body 1, form groove 13, this groove 13 can be also decorative groove for being provided with the control area of controlling button, and the medial surface of described groove 13 is provided with louvre 11, as shown in Figure 2 and Figure 3.The medial surface that is arranged at handle 12 inner sides and groove 13 makes louvre 11 more hidden, can not affect the outward appearance of LED light fixture, has guaranteed that again louvre 11 can, by exterior object shutoff, not affect heat dispersion simultaneously.
Simultaneously, top lamp body 1 housing place and the below lamp body 1 housing place of described heat radiation rack 22 correspondences are provided with louvre 11, as depicted in figs. 1 and 2, like this, the heat distributing on heat radiation rack 22 rises and conducts from the louvre 11 of top lamp body 1 housing, louvre 11 place's inhale fresh airs of below lamp body 1 housing, thus convection current among a small circle produced, the heat of heat on falling apart can be conducted fast.
The surface area contacting with air in order to increase heat radiation rack 22, timely and effectively the heat on LED chip 21 is conducted, described heat radiation rack 22 comprises the skeleton 222 being cross-shaped cross, and the end of described skeleton 222 is provided with the radiating fin 221 of outwards dispersing centered by this end.
Described LED chip 21 comprises the LED lamp pearl 211 of a plurality of parallel connections, and described LED lamp pearl 211 correspondences are positioned at the anterior position of heat radiation rack 22 skeletons 222, and the heat of being convenient to LED lamp pearl 211 to send directly conducts by heat radiation rack 22 skeletons 222.
In order further to increase the surface area that heat radiation rack 22 contacts with air, described radiating fin 221 ends are provided with U-shaped bifurcated 223.
Further, described LED chip 21 is pasted and is connected with heat radiation rack 22 subsides merga pass heat-conducting glues.
LED lamp pearl 211 is when work, on chip, produce heat, must this part heat balance be transmitted on outside heat radiation rack 22 at once, by heat radiation rack 22, be delivered in air again, heat radiation rack 22 is directly proportional with heat dispersion to the contact area of air, so the surface area of heat radiation rack 22 is the bigger the better.Luminous efficiency reduction, the service life that by heat radiation rack 22 by the heat of assembling on LED chip 21 conduction in time out, can prevent LED chip 21 overheated initiations reduce or catastrophic failure; By louvre 11, carry out the inside and outside air exchange of lamp body 1 and convection current, take away a part of heat, prevent that the LED light fixture initiation temperature that works long hours is too high; Simple and reliable for structure, be convenient to process and assemble, there is higher practicality and economic worth.
For the ease of heat radiation rack 22 is positioned to installation, described heat radiation rack 22 outer rims are roughly the cube shaped at four Edge Blend angles.Like this, only need to some stopper slots be set in lamp body 1 inside, just can heat radiation rack 22 is fixing preferably.
Certainly, the present invention, except above-mentioned embodiment, can also have other structural distortion, and these equivalent technical solutions also should be within its protection domain.
Claims (9)
1. the radiator structure of a Portable LED lamp, comprise the lamp body (1) being formed by the housing engaging of two of left and right, and be fixed on the lamp holder (2) on lamp body (1), it is characterized in that: described lamp holder (2) inside is fixed with LED chip (21), the laminating of LED chip (21) rear end face is provided with heat radiation rack (22), described heat radiation rack (22) has the radiating fin (221) of circumferentially dispersing, and the housing engagement connection place of described lamp body (1) is provided with louvre (11).
2. the radiator structure of a kind of Portable LED lamp according to claim 1, is characterized in that: on described lamp body (1), be provided with handle (12), described handle (12) inner side is provided with louvre (11).
3. the radiator structure of a kind of Portable LED lamp according to claim 1, is characterized in that: on the housing of described lamp body (1), form groove (13), the medial surface of described groove (13) is provided with louvre (11).
4. the radiator structure of a kind of Portable LED lamp according to claim 1, is characterized in that: top lamp body (1) housing place and below lamp body (1) housing place that described heat radiation rack (22) is corresponding are provided with louvre (11).
5. the radiator structure of a kind of Portable LED lamp according to claim 1, it is characterized in that: described heat radiation rack (22) comprises the skeleton (222) being cross-shaped cross, the end of described skeleton (222) is provided with the radiating fin (221) of outwards dispersing centered by this end.
6. the radiator structure of a kind of Portable LED lamp according to claim 5, it is characterized in that: described LED chip (21) comprises the LED lamp pearl (211) of a plurality of parallel connections, described LED lamp pearl (211) correspondence is positioned at the anterior position of heat radiation rack (22) skeleton (222).
7. the radiator structure of a kind of Portable LED lamp according to claim 1, is characterized in that: described radiating fin (221) end is provided with U-shaped bifurcated (223).
8. according to the radiator structure of a kind of Portable LED lamp described in any one in claim 1-7, it is characterized in that: described LED chip (21) pastes the stickup of merga pass heat-conducting glue with heat radiation rack (22) and is connected.
9. according to the radiator structure of a kind of Portable LED lamp described in any one in claim 1-7, it is characterized in that: described heat radiation rack (22) outer rim is roughly the cube shaped at four Edge Blend angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062785.0A CN104006364A (en) | 2013-02-27 | 2013-02-27 | Heat dissipating structure of portable LED (light emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310062785.0A CN104006364A (en) | 2013-02-27 | 2013-02-27 | Heat dissipating structure of portable LED (light emitting diode) lamp |
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| Publication Number | Publication Date |
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| CN104006364A true CN104006364A (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310062785.0A Pending CN104006364A (en) | 2013-02-27 | 2013-02-27 | Heat dissipating structure of portable LED (light emitting diode) lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10132485B2 (en) | 2014-02-14 | 2018-11-20 | Crosman Corporation | Deterrent device attachment having light source with thermal management |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1605795A (en) * | 2004-10-19 | 2005-04-13 | 陈振贤 | Lighting device with high heat radiation efficiency |
| US20070211470A1 (en) * | 2006-03-03 | 2007-09-13 | Hsien-Jung Huang | Lamp house with heat sink |
| CN202002054U (en) * | 2011-01-29 | 2011-10-05 | 吴志洪 | Light emitting diode (LED) heat radiator fin assembly |
| CN202215953U (en) * | 2011-09-01 | 2012-05-09 | 东莞市圣宝电子制造有限公司 | Radiating hand torch |
| CN102588763A (en) * | 2011-09-06 | 2012-07-18 | 宁波安迪光电科技有限公司 | LED lamp and housing thereof |
| CN203162888U (en) * | 2013-02-27 | 2013-08-28 | 广东金莱特电器股份有限公司 | Heat dissipation structure of portable LED (Light Emitting Diode) lamp |
-
2013
- 2013-02-27 CN CN201310062785.0A patent/CN104006364A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1605795A (en) * | 2004-10-19 | 2005-04-13 | 陈振贤 | Lighting device with high heat radiation efficiency |
| US20070211470A1 (en) * | 2006-03-03 | 2007-09-13 | Hsien-Jung Huang | Lamp house with heat sink |
| CN202002054U (en) * | 2011-01-29 | 2011-10-05 | 吴志洪 | Light emitting diode (LED) heat radiator fin assembly |
| CN202215953U (en) * | 2011-09-01 | 2012-05-09 | 东莞市圣宝电子制造有限公司 | Radiating hand torch |
| CN102588763A (en) * | 2011-09-06 | 2012-07-18 | 宁波安迪光电科技有限公司 | LED lamp and housing thereof |
| CN203162888U (en) * | 2013-02-27 | 2013-08-28 | 广东金莱特电器股份有限公司 | Heat dissipation structure of portable LED (Light Emitting Diode) lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10132485B2 (en) | 2014-02-14 | 2018-11-20 | Crosman Corporation | Deterrent device attachment having light source with thermal management |
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Application publication date: 20140827 |