CN203442758U

CN203442758U - Radiator and LED lamp with radiator

Info

Publication number: CN203442758U
Application number: CN201320523097.5U
Authority: CN
Inventors: 潘泳任
Original assignee: KAMS LIGHT Co Ltd
Current assignee: KAMS LIGHT Co Ltd
Priority date: 2013-08-26
Filing date: 2013-08-26
Publication date: 2014-02-19
Anticipated expiration: 2023-08-26

Abstract

The utility model relates to the lighting technical field, in particular to a radiator. The radiator comprises a shell, a cavity for containing a lamp holder of an LED light source is formed in the shell, a radiating structure connected to the lamp holder is arranged in the cavity, an air outlet is formed between the radiating structure and the lateral wall of the shell, an air inlet is formed in the shell, the air outlet and the air inlet are communicated with the cavity and the outside of the shell respectively, and the air outlet is formed above the air inlet in the height direction. The utility model further provides an LED lamp which comprises the radiator, the lamp holder is arranged in the cavity of the radiator, and the LED light source is arranged on the lamp holder. As hot air in the cavity of the radiator and outside air form convection through the air outlet and the air inlet, the radiating effect of the radiator is good; the LED lamp is provided with the radiator, so that the LED lamp also has the good radiating performance; when the LED light source is selected, a high-power LED light source can be moderately selected to achieve the better lighting effect.

Description

A kind of radiator and there is the LED light fixture of this radiator

Technical field

The utility model relates to the technical field of light fixture, particularly a kind of radiator and have the LED light fixture of this radiator.

Background technology

Light emitting diode is referred to as LED, and it is made by gallium (Ga) and the compound of arsenic (AS), phosphorus (P).When electronics and hole-recombination, visible ray can be given off, thereby light emitting diode can be used for making.LED light source is as a kind of new type light source, has the features such as life-span length, energy-conserving and environment-protective, photochromic variation are many, and its applied range, occupies an important position in lighting technical field.

Demand along with market, the volume of LED Design of Luminaires is more and more less, power is increasing, because the heat-dissipating space layout little and radiator of radiator is unreasonable, cause the radiating effect of existing radiator bad, the power that improves LED light fixture can cause LED light fixture directly to damage or service life too short, existing LED light fixture is in identical appearance and size, efficiently radiates heat area is inadequate, cannot select relatively high power LED light source.

Utility model content

Not enough for prior art, the utility model proposes a kind of radiator, be intended to solve LED light fixture of the prior art in identical appearance and size, because the heat-dissipating space of radiator is little and layout is unreasonable, cause the radiating effect of radiator poor, cannot select the problem of relatively high power LED light source.

The technical scheme the utility model proposes is:

A kind of radiator, comprise housing, in described housing, have for placing the cavity of the lamp bracket of LED light source, in described cavity, be provided with the radiator structure that is connected in described lamp bracket, between described radiator structure and the sidewall of described housing, form air outlet slit, in described housing, have air intake, described air outlet slit and described air intake are communicated with respectively described cavity and described hull outside, in short transverse, and described air outlet slit is placed in described air intake top.

Further, described housing upper end has the upper shed that is communicated with described cavity, and described radiator structure extends outside described upper shed.

Further, described radiator structure comprises a plurality of fin that are surrounded on outside described lamp bracket, a plurality of described fin extend and alternate layout along described housing short transverse, and between fin and the upper end of described housing sidewall, form described air outlet slit described in adjacent two.

Further, the upper end of a plurality of described fin and described housing sidewall forms a plurality of described air outlet slits, and a plurality of described air outlet slits are around shape to be arranged.

Further, the lower end of described housing sidewall has breach, and described breach is communicated with described cavity and hull outside, forms described air intake.

Further, the lower end of described housing sidewall has a plurality of described breach, and a plurality of described breach are around described housing sidewall to be arranged.

According to above-mentioned technical scheme, radiator beneficial effect of the present utility model: after the air heat of the cavity in radiator, density diminishes, hot-air in cavity flow to outside radiator by the air outlet slit of radiator upper end, cool ambient air enters in cavity by the air intake of radiator lower end, thereby make air and the air outside cavity in cavity form convection current, strengthen the radiating effect of radiator.

The utility model also proposes a kind of LED light fixture, comprises above-mentioned radiator, in the cavity of described radiator, is provided with lamp bracket, and described lamp bracket is provided with LED light source.

LED light fixture beneficial effect of the present utility model: LED light fixture has adopted above-mentioned radiator, hot-air in the cavity of radiator and the cold air outside cavity produce cross-ventilation, the heat diffusion that LED light source is sent is outside cavity, the excess Temperature in light fixture be can there is not and LED light source or other part damaged, because of the good heat dissipation effect of radiator, can the appropriate power that improves LED light source.

Accompanying drawing explanation

Fig. 1 is the stereogram that the utility model embodiment provides LED light fixture;

Fig. 2 is the cutaway view that the utility model embodiment provides LED light fixture.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

As shown in Fig. 1～Fig. 2, the preferred embodiment providing for the utility model.

LED light source can produce heat after lighting, and it is more that larger its of power of LED light source produces heat, if heat radiation can damage LED light source and affect near the part of LED light source not in time, for this reason, a good radiator is extremely important.

As depicted in figs. 1 and 2, the utility model implements to propose a kind of radiator, comprise housing 1, in housing 1, there is the radiator structure 13 that is connected in lamp bracket 12 for placing the cavity of the lamp bracket 12 of LED light source 11, being provided with in cavity, between radiator structure 13 and the sidewall of housing 1, form air outlet slit 14, in housing 1, there is air intake 15, air outlet slit 14 and air intake 15 are communicated with respectively cavity and housing 1 outside, and in short transverse, and air outlet slit 14 is placed in air intake 15 tops.

In the cavity of the heat accumulation that LED light source produces in housing 1, air in cavity is subject to the impact of heat, temperature raises, density diminishes, hot air rising in cavity is also external by air outlet slit 14 exhaust chambers, because the air in cavity tails off, extraneous air replenishes in cavity by air intake 15, thereby formation cross-ventilation, take away heat in cavity and because the temperature of outside air is low with respect to the air themperature in cavity, thereby the temperature in reduction cavity, the radiating rate of radiator is fast, effective.

In short transverse, be vertical direction, be commonly referred to as radiator and vertically place, LED light source down quadrature is penetrated.

Housing 1 upper end has the upper shed 140 that is communicated with cavity, and radiator structure 13 extends outside upper shed 140.Hot-air in cavity can be external by air outlet slit 14 exhaust chambers, also can be external by upper shed 140 exhaust chambers again after air outlet slit 14.

Radiator structure 13 comprises a plurality of fin 131 that are surrounded on outside lamp bracket 12, and a plurality of fin 131 extend and alternate layout along housing 1 short transverse, and form air outlet slit 14 between two adjacent fin 131 and the upper end of housing 1 sidewall.A plurality of fin 131 are separated into a plurality of little cavitys by cavity, and little cavity arranges around lamp bracket 12, and each loculus body upper end correspondence is provided with air outlet slit 14, and such structure convection effects is more obvious, further the radiating effect of heat radiation device.

A plurality of fin 131 form a plurality of air outlet slits 14 with the upper end of housing 1 sidewall, and a plurality of air outlet slits 14 are around shape to be arranged.A plurality of air outlet slits 14 are distributed in radiator around, can fast the hot-air in cavity be discharged towards periphery, avoid the hot-air of a direction too concentrated, cause cross-ventilation not obvious.

The lower end of housing 1 sidewall has breach 150, and breach 150 is communicated with cavity and housing 1 outside, forms air intake 15.Extraneous air enters air intake 15 through breach 150, to fin 131, carries out cooling.

The lower end of housing 1 sidewall has a plurality of breach 150, and a plurality of breach 150 are around housing 1 sidewall to be arranged.The air stream of each direction can flow in cavity by breach 150, and radiating effect is more balanced.

The utility model embodiment also proposes a kind of LED light fixture, comprises above-mentioned radiator, is provided with lamp bracket 12 in the cavity of radiator, and lamp bracket 12 is provided with LED light source 11.

LED light fixture has adopted above-mentioned radiator, and the advantage of radiator is narrated above, at this repeated description not just, good heat dissipation effect due to radiator, the temperature of LED lamp interior can be not too high, and the power of applicable raising LED light source is selected the LED light source of relatively high power.

These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a radiator, comprise housing, in described housing, have for placing the cavity of the lamp bracket of LED light source, it is characterized in that, in described cavity, be provided with the radiator structure that is connected in described lamp bracket, between described radiator structure and the sidewall of described housing, form air outlet slit, in described housing, there is air intake, described air outlet slit and described air intake are communicated with respectively described cavity and described hull outside, and in short transverse, and described air outlet slit is placed in described air intake top.

2. a kind of radiator as claimed in claim 1, is characterized in that, described housing upper end has the upper shed that is communicated with described cavity, and described radiator structure extends outside described upper shed.

3. a kind of radiator as claimed in claim 1, it is characterized in that, described radiator structure comprises a plurality of fin that are surrounded on outside described lamp bracket, a plurality of described fin extend and alternate layout along described housing short transverse, and between fin and the upper end of described housing sidewall, form described air outlet slit described in adjacent two.

4. a kind of radiator as claimed in claim 3, is characterized in that, the upper end of a plurality of described fin and described housing sidewall forms a plurality of described air outlet slits, and a plurality of described air outlet slits are around shape to be arranged.

5. a kind of radiator as claimed in claim 1, is characterized in that, the lower end of described housing sidewall has breach, and described breach is communicated with described cavity and hull outside, forms described air intake.

6. a kind of radiator as claimed in claim 5, is characterized in that, the lower end of described housing sidewall has a plurality of described breach, and a plurality of described breach are around described housing sidewall to be arranged.

7. a LED light fixture, is characterized in that, comprises the radiator as described in claim 1 to 6 any one, in the cavity of described radiator, is provided with lamp bracket, and described lamp bracket is provided with LED light source.