CN203489222U - Lamp and heat dissipation structure thereof - Google Patents
Lamp and heat dissipation structure thereof Download PDFInfo
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- CN203489222U CN203489222U CN201320584442.6U CN201320584442U CN203489222U CN 203489222 U CN203489222 U CN 203489222U CN 201320584442 U CN201320584442 U CN 201320584442U CN 203489222 U CN203489222 U CN 203489222U
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- light source
- led light
- opening
- substrate
- heat dissipation
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Abstract
The utility model provides a lamp and a heat dissipation structure thereof. The heat dissipation structure of the lamp comprises a substrate and a plurality of heat dissipation fins. At least one boss used for installing an LED light source is formed on the substrate. One side, with the back facing the LED light source, of each boss is provided with a heat dissipation groove. The heat dissipation fins are installed on one side, with the back facing the LED light source, of the substrate at intervals and extend to the heat dissipation grooves. The LED light source is installed on the bosses of the substrate. The heat dissipation grooves are formed in the sides, with the backs facing the LED light source, of the bosses. The heat dissipation fins are installed on the side, with the back facing the LED light source, of the substrate and extend to the heat dissipation grooves, and the LED light source is installed on the bosses. In this way, due to the fact that the heat dissipation grooves are formed in the sides, with the backs facing the LED light source, of the bosses, the heat dissipation area is increased; due to the fact that the heat dissipation fins are arranged in the heat dissipation grooves, the heat dissipation efficiency is improved, the heat dissipation effect is good, and the structure is simple. Further provided is the lamp.
Description
Technical field
The utility model relates to lighting technical field, particularly relates to a kind of Lamp And Its Radiating Mechanism.
Background technology
Along with scientific and technical development, light emitting diode (Light-Emitting Diode, LED), because it has the features such as energy-saving and environmental protection, the life-span is long, volume is little, is widely used in the fields such as various indications, demonstration, decoration, illumination.
LED is the same with other electronic components, in use can produce heat energy and temperature rise phenomenon, show after deliberation, LED chip is along with the rising luminance of temperature reduces gradually, it is luminous energy that the LED light fixture of relatively high power only has 20% Conversion of Energy, and other 80% will run off with other forms such as heat energy.The heating of LED can make its spectrum move, and colour temperature raises, and thermal stress increases, aging acceleration.Therefore, improve heat radiation and become problem demanding prompt solution in the research work of LED light fixture.
Usually, the radiating mode of LED light fixture is directly heat radiation, is about to the back side that fin is fixed on circuit board, by fin, heat is directly diffused in air and is gone, and the heat conduction efficiency that relies on fin directly to dispel the heat is low, heat that cannot the generation of Quick diffusing LED light source, radiating effect is poor.
Utility model content
Based on this, being necessary, for the poor problem of radiating effect, provides a kind of Lamp And Its Radiating Mechanism.
A kind of lamp cooling structure, comprise substrate and a plurality of fin, described substrate is formed with at least one for the boss of LED light source is installed, a described boss dorsad side of described LED light source offers radiating groove, described fin interval is installed on a described substrate side of described LED light source dorsad, and extends to described radiating groove.
In an embodiment, described radiating groove sidewall offers the first opening therein.
In an embodiment, described boss is a plurality of therein, and described substrate offers the second opening, the gap location of described the second opening between adjacent described boss.
In an embodiment, described the second opening comprises a plurality of through holes therein.
In an embodiment, described the second open centre line of take is benchmark therein, and described the first opening is symmetrical arranged, and described the first opening is at least opened in described radiating groove away from the sidewall of described the second opening.
In an embodiment, comprise housing therein, described housing is around described substrate edges setting, and described housing is hollow structure, and at least one sidewall of described housing is provided with fin.
In an embodiment, the housing sidewall that described fin is installed is set up in parallel with the trenched side-wall that offers described the first opening therein.
In an embodiment, described substrate is provided with thermal trough near the edge of described housing sidewall therein.
A light fixture, comprises LED light source and described lamp cooling structure, and described LED light source is installed on the boss of described substrate.
In an embodiment, the wiring pin of described LED light source is worn and is located at described boss therein.
Above-mentioned Lamp And Its Radiating Mechanism, is installed on LED light source the boss of substrate, and this boss dorsad side of LED light source offers radiating groove.So, increased area of dissipation, good heat dissipation effect, and simple in structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of lamp cooling structure;
Fig. 2 is the structural representation at another visual angle of lamp cooling structure;
Fig. 3 is lamp cooling structure internal structure schematic diagram;
Fig. 4 is the structural representation that lamp cooling structure is overlooked visual angle.
The specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of lamp cooling structure, comprise substrate 110 and a plurality of fin 120, substrate 110 is formed with at least one for the boss 112 of LED light source 210 is installed, a boss 112 dorsad side of LED light source 210 offers radiating groove 114, fin 120 intervals are installed on substrate 110 side of LED light source 210 dorsad, and extend to radiating groove 114.Wherein, this substrate 110 can be for being combined by a plurality of several font structures.
Above-mentioned lamp cooling structure, LED light source 210 is installed on to the boss 112 of substrate 110, a this boss 112 dorsad side of LED light source 210 offers radiating groove 114, fin 120 intervals are installed on to substrate 110 side of LED light source 210 dorsad, and extend to radiating groove 114 and be installed on boss 112 because of LED light source 210.So, by boss 112 dorsad a side of LED light source 210 offer radiating groove 114, increased area of dissipation, these radiating groove 114 places are provided with fin 120, are conducive to improve radiating efficiency, good heat dissipation effect, and simple in structure.
Refer to Fig. 2, Fig. 3 and Fig. 4, in an embodiment, radiating groove 114 sidewalls offer the first opening 1140 therein.Because of LED light source 210 place's temperature the highest, the principle being inversely proportional to according to the density of air and temperature, the hot-air at LED light source 210 places can rise, heat moves to low temperature from high temperature, by offering the first opening 1140 at radiating groove 114 sidewalls, being positioned near LED light source 210 heats can move to radiating groove 114 by this first opening 1140, and distributes by fin 120.So, radiating groove 114 provides fluid space, has further accelerated rate of heat dispation.
Refer to Fig. 2 and Fig. 4, in an embodiment, boss 112 is a plurality of therein, and substrate 110 offers the gap location of the second opening 116, the second openings 116 between adjacent lands 112.At the direct gap location of adjacent lands 112, offer the second opening 116, so, can accelerate to be positioned near LED light source 210 heats and move to fin 120 by the second opening 116, good heat dissipation effect.
Refer to Fig. 4, in an embodiment, the second opening 116 comprises a plurality of through holes therein.So, the second opening 116 is designed to a plurality of small sircle holes, when guaranteeing radiating effect, can prevents that the light that LED light source 210 sends from spilling and being irradiated to fin 120 rears from the second opening 116, affects radiation response.
Refer to Fig. 2 and Fig. 4, therein in an embodiment, radiating groove 114 sidewalls offer the first opening 1140, substrate 110 offers the second opening 116, second opening 116 center lines of take are benchmark, the first opening 1140 is symmetrical arranged, and the first opening 1140 is at least opened in radiating groove 114 away from the sidewall of the second opening 116.Because the second opening 116 is between adjacent lands 112, second opening 116 center lines of take are benchmark, and the first opening 1140 is symmetrical arranged, and the first opening 1140 is at least opened in radiating groove 114 away from the sidewall of the second opening 116.So, can guarantee has opening near both sides that boss 112 is relative, heat between adjacent lands 112 can move to fin 120 by the second opening 116, the heat that is positioned at relative the second opening 116 1 sides of boss 112 enters radiating groove 114 by the first opening 1140, finally by fin 120, distribute, and then make to be installed near the heat LED light source 210 of boss 112 all Quick diffusing go out, accelerate radiating efficiency.In the present embodiment, the second opening 116 runs through the two side that radiating groove 114 is relative.
Refer to Fig. 1, in an embodiment, radiator structure comprises housing 130 therein, and housing 130 is around substrate 110 edge settings, and housing 130 is hollow structure, and at least one sidewall of housing 130 is provided with fin 120.Particularly, these housing 130 opposing sidewalls offer breach, and this opposing sidewalls is positioned at the side that substrate 110 is provided with LED light source, avoids distributing of block heat.By housing 130 is set, around substrate 110 edges, arrange, can shield to being installed on the LED light source 210 of substrate 110, and at least one sidewall of housing 130, fin 120 is installed, be conducive to heat radiation.
Refer to Fig. 1 and Fig. 4, in an embodiment, housing 130 sidewalls that fin 120 is installed are set up in parallel with the trenched side-wall that offers the first opening 1140 therein.Be positioned at the fin 120 of housing 130 sidewalls and the fin 120 of substrate 110 belows can be one-body molded, as can be for U-shaped.So, according to hydrodynamics, offering near the trenched side-wall of the first opening 1140 heat flow, relatively not offer opening part violent, and fin 120 is arranged on to housing 130 sidewalls arranged side by side with the trenched side-wall that offers the first opening 1140, can assist distribute heat.
Refer to Fig. 4, in an embodiment, substrate 110 is provided with thermal trough 118 near the edge of housing 130 sidewalls therein.By thermal trough 118 is set, can auxiliary heat dissipation.In the present embodiment, this thermal trough 118 is not being offered radiating groove 114 sidewalls of the first opening 1140 and with it between housing 130 sidewalls arranged side by side, fully to guarantee radiating effect.
As shown in Figure 1, Figure 2 and Figure 3, a kind of light fixture, comprises LED light source 210 and above-mentioned lamp cooling structure, and LED light source 210 is installed on the boss 112 of substrate 110.This LED light source 210 can be fixed on boss 112 by screw.
Above-mentioned light fixture, LED light source 210 is installed on to the boss 112 of substrate 110, a this boss 112 dorsad side of LED light source 210 offers radiating groove 114, fin 120 intervals is installed on to substrate 110 side of LED light source 210 dorsad, and extends to radiating groove 114.So, by design boss 112, and boss 112 dorsad a side of LED light source 210 offer radiating groove 114,, increased area of dissipation, be conducive to improve radiating efficiency, good heat dissipation effect, and simple in structure.
Refer to Fig. 3, in an embodiment, the wiring stitch 212 of LED light source 210 is arranged in boss 112 therein.Because the wiring stitch 212 of LED light source 210 is main heat radiation place, wiring stitch 212 is arranged in to boss 112, wiring stitch 212 is positioned at radiating groove 114 places, so, good heat dissipation effect.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a lamp cooling structure, it is characterized in that, comprise substrate and a plurality of fin, described substrate is formed with at least one for the boss of LED light source is installed, a described boss dorsad side of described LED light source offers radiating groove, described fin interval is installed on a described substrate side of described LED light source dorsad, and extends to described radiating groove.
2. lamp cooling structure according to claim 1, is characterized in that, described radiating groove sidewall offers the first opening.
3. lamp cooling structure according to claim 2, is characterized in that, described boss is a plurality of, and described substrate offers the second opening, the gap location of described the second opening between adjacent described boss.
4. lamp cooling structure according to claim 3, is characterized in that, described the second opening comprises a plurality of through holes.
5. lamp cooling structure according to claim 3, is characterized in that, described the second open centre line of take is benchmark, and described the first opening is symmetrical arranged, and described the first opening is at least opened in described radiating groove away from the sidewall of described the second opening.
6. lamp cooling structure according to claim 5, is characterized in that, comprises housing, and described housing is around described substrate edges setting, and described housing is hollow structure, and at least one sidewall of described housing is provided with fin.
7. lamp cooling structure according to claim 6, is characterized in that, the housing sidewall that described fin is installed is set up in parallel with the trenched side-wall that offers described the first opening.
8. lamp cooling structure according to claim 6, is characterized in that, described substrate is provided with thermal trough near the edge of described housing sidewall.
9. a light fixture, is characterized in that, comprises the lamp cooling structure described in LED light source and claim 1 to 8 any one, and described LED light source is installed on the boss of described substrate.
10. light fixture according to claim 9, is characterized in that, the wiring pin of described LED light source is worn and is located at described boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584442.6U CN203489222U (en) | 2013-09-22 | 2013-09-22 | Lamp and heat dissipation structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584442.6U CN203489222U (en) | 2013-09-22 | 2013-09-22 | Lamp and heat dissipation structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203489222U true CN203489222U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320584442.6U Expired - Fee Related CN203489222U (en) | 2013-09-22 | 2013-09-22 | Lamp and heat dissipation structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203489222U (en) |
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2013
- 2013-09-22 CN CN201320584442.6U patent/CN203489222U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20190922 |