CN204127915U

CN204127915U - Lamp cooling structure

Info

Publication number: CN204127915U
Application number: CN201420584063.1U
Authority: CN
Inventors: 刘建华; 邓开萍
Original assignee: GUANGZHOU FINEART LIGHTING CO Ltd
Current assignee: Guangzhou Caiyi Light Co Ltd
Priority date: 2014-10-11
Filing date: 2014-10-11
Publication date: 2015-01-28
Anticipated expiration: 2024-10-11

Abstract

The utility model discloses a kind of lamp cooling structure, comprise housing, light source module, radiator and fan, the U-shaped structure of described housing, gap also and between the inwall of housing is left in the openend that light source module is arranged on housing; Radiator to be arranged in housing and with light source module contact; Fan is arranged on the closing end of housing, and its air-out direction is in the face of radiator; The closing end of housing is provided with air inlet, and during light fixture work, starting fan, cold wind enters from the air inlet of U-shaped structure closing end, flows through radiator, flows out from gap between light source module and the inwall of U-shaped structure.

Description

Lamp cooling structure

Technical field

The utility model relates to field of illumination lamp technology, and special design Adjustable head lamp technical field, is specifically related to a kind of radiator structure of light fixture.

Background technology

In recent years along with the subject under discussion of carbon reduction is paid attention to widely, the LED with multiple advantages such as power saving, life-span are long and environment friendly and pollution-free replaces the main trend that conventional bulb becomes lighting source gradually, and needed configuration high-power lamp bulb with the stage lighting of applicable place high brightness demand in the past, also employing LED progressively.In recent years along with the subject under discussion of carbon reduction is paid attention to widely, the LED with multiple advantages such as power saving, life-span are long and environment friendly and pollution-free replaces the main trend that conventional bulb becomes lighting source gradually, and needed configuration high-power lamp bulb with the stage lighting of applicable place high brightness demand in the past, also employing LED progressively.

But also there is compared with relative LED stage lamp and traditional Halogen lamp LED etc. it not enoughly to locate, the particularly heating problem of LED bulb, as everyone knows, LED needs high-tension current to drive, and due to the index such as brightness of single LED low, a stage lighting just needs multiple LED lamp bead, this must cause the caloric value of whole lamp larger, therefore the physical life of light fixture will inevitably be had influence on, and general LED stage lamp all contacts by being configured with radiator with pyrotoxin, guide heat flow, then by cooling element such as fans, heat is rejected to outside light fixture, thus there is great number of issues, which includes: the heat radiation function of fan is directly proportional to volume, also the volume of high-capacity LED stage lighting is made to improve along with power and increase, it is in carrying or install all very inconvenient, moreover fan needs continued power to keep on the go, also make power consumption and produce noise relatively to increase when rotating speed promotes, reduce the effect of heat radiation, secondly, fan cooling needs air inlet and gas outlet, therefore will design especially lamp outer casing, affects light fixture outward appearance, finally, when using radiator and combination of fans heat radiation, appropriate design to be carried out to lamp body internal heat dissipation structures, while taking into account the ray structure of light fixture own, considering radiator structure again, will greatly strengthen difficulty and the cost of research and development.

Utility model content

The utility model is intended to solve the problem to a certain extent, at least provides a kind of coml to apply.

For this reason, goal of the invention of the present utility model is the defect overcoming prior art, provides a kind of lamp cooling structure.

For achieving the above object, the utility model adopts following technical scheme, a kind of lamp cooling structure, comprises housing, light source module, radiator and fan, the U-shaped structure of described housing, gap also and between the inwall of housing is left in the openend that light source module is arranged on housing; Radiator to be arranged in housing and with light source module contact; Fan is arranged on the closing end of housing, and its air-out direction is in the face of radiator; The closing end of housing is provided with air inlet, and during light fixture work, starting fan, cold wind enters from the air inlet of U-shaped structure closing end, flows through radiator, flows out from gap between light source module and the inwall of U-shaped structure.

Further, between radiator and fan, be provided with space bar, described space bar is provided with through hole, space bar can effectively prevent thermal current from refluxing.

Further, described housing comprises drain pan and shell, and described shell and drain pan are fixedly connected on distance piece, described light source module and radiator are arranged in the enclosure, and described fan is arranged in drain pan, and described air inlet is arranged on drain pan, housing is divided into shell and drain pan, is convenient to assembling.

The beneficial effects of the utility model:

1, by gas outlet is arranged on light fixture front end, make housing overall appearance complete, seem more attractive in appearance, also greatly reduce manufacturing cost simultaneously, and die sinking cost.

2, between fan and radiator, be provided with distance piece, can flow back in fan by hindering the thermal current of lamp body inside, making cold-hot wind effectively separate, can effectively gas upwards be discharged outside lamp body via gas outlet simultaneously.

Accompanying drawing explanation

Fig. 1 is the utility model detonation configuration schematic diagram.

Fig. 2 is the utility model gas outlet structural representation.

Fig. 3 is sectional view of the present utility model.

Detailed description of the invention

Structure and working principle of the present invention is described in detail below in conjunction with accompanying drawing.

With reference to shown in Fig. 1 ~ 3, lamp cooling structure described in the utility model comprises: housing 2, fan 3, light source module 4, radiator 5.

The U-shaped structure of housing 2, gap also and between the inwall of housing 2 is left in the openend that light source module 4 is arranged on housing 2, and this gap forms air outlet 8; Radiator 5 to be arranged in housing 2 and to contact with light source module 4, the heat that radiator 5 produces for absorbing light source module 4; Fan 3 is arranged on the closing end of housing 2, and its air-out direction, in the face of radiator, when the fan is operating, drives airflow passes radiator 5, thus reduces the temperature of radiator 5, reach the effect of heat radiation; The closing end of housing is provided with air inlet, and light source module 4 is arranged on housing 2 openend, and air inlet is arranged on housing 2 closing end, with described fan 3 inlet end UNICOM.

In arbitrary specific embodiment, housing 2 comprises shell 21 and drain pan 22, shell 21 and drain pan 22 are interconnected, fan 3 is installed on inside drain pan 22, and radiator 5 is arranged on the top of fan 3, and radiator 5 is connected with light-source structure 4 contact, light-source structure 4 is lowered the temperature by transferring heat on radiator 5, from air inlet, outside air is transported to inside by fan 3 again, takes away heat, high temperature air is then discharged outside housing via gas outlet 8.Air inlet is arranged on drain pan 22, fan 3 is fixedly installed near air inlet place, and with air inlet UNICOM, fan 3 enters lamp interior by air inlet by outside air, radiator 5 at least includes two ends, one end is planar structure, and this planar structure is connected with light-source structure 4 contact, for receiving the heat that light-source structure 4 produces; The other end is provided with multiple radiating ribs, and fan 3 is just to radiator 5, and the heat on radiator 5 is taken away by the moving air that fan 3 produces, and plays the effect of cooling.

Further, be provided with a space bar 6 between radiator 5 and fan 3, space bar 6 is fixedly connected with fan 3, drain pan 22; Space bar 6 is provided with through hole 61, fan 3 is installed on through hole 61.Preferably mode, the air-out direction of fan 3 is just to through hole 61, and air is input on radiator 5 by this through hole 61 by the outlet side of fan 3, and the size of through hole 61 is mated with fan 3.Space bar 6 is by spaced apart to fan 3 and radiator 5, space bar 6 mates with drain pan 22 size, the spaced apart drain pan 22 of space bar 6 and radiator 5, fan 3 is arranged on space bar 6 on one end of drain pan 22, radiator 5 is arranged on the direction of space bar 6 other end, for the air block that blown out by fan 3 at the another side of distance piece 6 relative to fan 3, effectively prevent hot air reflow to air inlet place.

There is certain distance between space bar 6 and drain pan 22, realize connecting by spacer equivalent type structure.

Further, drain pan 22 is provided with fixed arm 221, fixed arm 221 is connected with shell 21, for being connected with shell 21; Shell 21 is provided with installation position 211, installation position 211 and fixed arm 221 Matching installation mutually.

Further, be provided with keeper 7, this keeper 7 is fixedly installed on the edge of radiator 5, and fixed arm 221 is fixedly connected with keeper 7 with installation position 211, and this keeper 7 is provided with mounting structure, for being connected with light fixture rotational structure.

Further, keeper 7 one end is fixedly connected on radiator 5 and is provided with on one end of radiating ribs, and the other end is fixedly connected with space bar 6 edge, and wherein keeper 7 is at least provided with 2, and same fixed arm 221 and installation position 211 are at least provided with two groups.

Further, fixed arm 221 is U-shaped structure, and installation position 211 is the U-shaped structure that arranges corresponding to fixed arm 221, and fixed arm 221 and installation position 211U type structure are socketed on keeper 7, are fixed connection.

Further, shell 21 is hollow structure, is fixedly connected with space bar 6, and described shell 21 is socketed on space bar 6, and is connected near radiator 5 one end with space bar 6;

Wherein, light-source structure 4 is arranged on shell 21 front end, and light-source structure 4 is fixedly connected with radiator 5, and the size of radiator 5 and light-source structure 4 is less than distance piece 6, described gas outlet is light-source structure 4, inside radiator 5 and shell 21 between space formed.

Further, described radiator 5 is provided with on one end of radiating ribs, and described radiating ribs is an independent cylinder, and radiator 5 is arranged individual to some extent radiating ribs, all have interval all around between multiple radiating ribs, preferably, radiating ribs is rectangular structure.

During light fixture work, radiator 5 absorbs the heat that light source module 4 produces, and be delivered in radiating ribs, fan 3 sucks the air of extraneous low temperature from air inlet, and through through hole 61, air is blown in radiating ribs, heat in radiating ribs is taken away, via gas outlet, hot-air is being discharged outside lamp body, and due to air via during gas outlet through light-source structure 4, can further lower the temperature to light-source structure 4.

Claims

1. a lamp cooling structure, comprises housing, light source module, radiator and fan, it is characterized in that, the U-shaped structure of described housing, and gap also and between the inwall of housing is left in the openend that light source module is arranged on housing; Radiator to be arranged in housing and with light source module contact; Fan is arranged on the closing end of housing, and its air-out direction is in the face of radiator; The closing end of housing is provided with air inlet.

2. lamp cooling structure according to claim 1, is characterized in that, between radiator and fan, be provided with space bar, and described space bar is provided with through hole.

3. lamp cooling structure according to claim 2, is characterized in that, described housing comprises drain pan and shell, described shell and drain pan are fixedly connected on space bar, described light source module and radiator are arranged in the enclosure, and described fan is arranged in drain pan, and described air inlet is arranged on drain pan.