CN207165913U - A kind of efficient radiating apparatus of LASER Light Source - Google Patents

Abstract

A kind of efficient radiating apparatus of LASER Light Source described in the utility model, including radiator fan, heat-conducting type laser light source module and radiating fin, multiple heat-conducting type laser light source modules are provided between the radiator fan and radiating fin, heat-conducting type laser light source module includes laser diode and heat-radiating substrate, being provided with the left of the heat-radiating substrate can quick heat radiating conducting block A, being provided with the right side of the heat-radiating substrate can quick heat radiating conducting block B, insulating barrier is provided between the conducting block A and conducting block B, the positive pole of the laser diode is connected with conducting block A, the negative pole of the laser diode is connected with conducting block B.The heat that laser diode distributes passes sequentially through the both positive and negative polarity of itself, the conducting block of quick heat radiating on heat-radiating substrate is delivered on radiating fin, wherein both positive and negative polarity is directly welded and fixed with conducting block, heat-radiating substrate is fixed by directly welding with radiating fin, realize the contact transmission of heat, the transmission speed of heat is greatly improved, improves radiating effect.

Description

A kind of efficient radiating apparatus of LASER Light Source

Technical field

Field of radiating is the utility model is related to, specifically a kind of efficient radiating apparatus of LASER Light Source.

Background technology

Due to the characteristic of LASER Light Source, determine that laser is more suitable for projection and used, laser projection product can be brought well Color hierarchy sense, natural high-contrast, the details that can increase substantially large scene shows power so that color is more raw It is dynamic, ensure the saturation degree and stereovision of color.But existing projector equipment does not consider its durability and reliability, works as ring When border temperature is higher than 30 DEG C, the brightness of LASER Light Source will reduce.Relatively common LASER Light Source is laser diode, laser two Pole pipe can produce amount of heat, and increase considerably, and requirement of the laser diode in the market to environment temperature is special Height, if the heat of radiating can not discharge, semiconductor laser diode is easily caused to be in hot environment, service life drop It is low, influence the quality of product, therefore the key for being designed to influence LASER Light Source service life of the radiator structure of LASER Light Source.

At present, Chinese Patent Application No. is that " 201420180489.0 " disclose a kind of LASER Light Source heat abstractor, laser It is provided for placing the through hole of laser diode on diode fixed block, one layer is evenly coated between laser diode and through hole and is dissipated Hot silicone grease, semiconductor semiconductor chilling plate is posted on laser diode fixed block, the cold and hot surface of semiconductor chilling plate all uniformly applies There are one layer of heat dissipating silicone grease, semiconductor chilling plate hot junction face connection heat conducting pipe one end, the heat conduction other end is connected with fin, institute Fin card is stated against the radiator fan on laser diode fixed block.It is to sharp in this technical scheme by semiconductor chilling plate Optical diode freezes, while the heat of semiconductor chilling plate is by being close to the heat conducting pipe and fan belt containing capillary on its surface Walk, and the heat dissipation capacity of laser diode is huge, laser diode distribute the heat of heat by heat dissipating silicone grease, through hole, heat conducting pipe and The conduction of fin is radiated, and the number of openings on laser diode fixed block is 3 ~ 60, is also left between adjacent through-holes Certain intervals, although heat dissipating silicone grease plays a part of accelerating radiating, but heat can only distribute from the through hole of limited quantity, conduction Efficiency is low, and heat can not distribute completely, then heat is transferring heat to fin after through hole distributes by heat conducting pipe On, heat is finally taken away by fan, once radiator fan damages, heat can not in time be taken away, be easy for causing heat to raise, It is stopped eventually through laser diode to carry out self-protection, and then causes projector equipment can not normal use, it is necessary to etc. Treat that the temperature of laser diode lowers, projector equipment can just resume work, and can not fundamentally solve the radiating of projector equipment Problem.

Therefore, it is necessary to a kind of efficient radiating apparatus of LASER Light Source, to solve the shortcomings of the prior art.

Utility model content

Purpose of utility model：For above-mentioned existing problem and shortage of the prior art, the purpose of this utility model is A kind of efficient radiating apparatus of LASER Light Source is provided.

Technical scheme：To reach above-mentioned purpose, a kind of efficient radiating apparatus of LASER Light Source described in the utility model, dissipate Hot-air fan, heat-conducting type laser light source module and radiating fin, multiple heat-conducting types are provided between the radiator fan and radiating fin Laser light source module, heat-conducting type laser light source module include laser diode and heat-radiating substrate, are provided with the left of the heat-radiating substrate Can quick heat radiating conducting block A, being provided with the right side of the heat-radiating substrate can quick heat radiating conducting block B, the conducting block A and conducting block B Between be provided with insulating barrier, the positive pole of the laser diode is connected with conducting block A, the negative pole and conducting block of the laser diode B connections.

It is welding between the positive pole of laser diode described in the utility model and the conducting block A.

It is welding between the negative pole of the laser diode and the conducting block B.It is preferred that using the connected mode of welding, enter One step improves radiating efficiency；Heat of the laser diode again in the course of work runs through conducting block A and conducting block B sheds, Operating temperature will not rise.

It is welding between heat-radiating substrate and radiating fin described in the utility model.Save in radiating fin

The process that heat conducting pipe is set on piece, directly by the next heat transfer of heat-radiating substrate transmission to radiating fin, using weldering Connect, simple processing, and both contacts area are big, further improve radiating efficiency.

Conducting block A described in the utility model and conducting block B are copper or gold.Copper or gold can

Realize quick heat radiating, cost performance is higher.

Heat-radiating substrate described in the utility model can be matched according to the shape of laser diode,

Heat-radiating substrate and laser diode are integrally formed.Heat-radiating substrate is processed one according to laser diode own form It is body formed, it can be used directly, facilitate the assembling and replacement of user.

Two parts that heat-radiating substrate described in the utility model has insulating barrier to separate by two centres,

Metal material forms, and heat-radiating substrate major function is easy to the both positive and negative polarity welding conducting block A of laser diode and led Modularization is carried out between electric block B, is conveniently integrally welded on radiating fin, carries out heat transfer.

Heat-conducting type laser light source module described in the utility model and adjacent heat-conducting type LASER Light Source

Module is connected into by insulating barrier and is integrated.Demand according to product to LASER Light Source quantity, passes through module The mode of Rapid Combination meets the needs of different light-source brightness, realizes each radiating, is independent of each other.

Insulating barrier described in the utility model is air, or insulating cement, or aluminum oxide.What is set in the utility model is exhausted Conducting block A and conducting block B are exactly discretely located, if insulating cement, or the insulation material such as aluminum oxide by edge layer if air Material, it is possible to conducting block A and conducting block B is stitched together, the insulating cement of insulation is sandwiched between conducting block A and conducting block B Or insulating oxide aluminum etc., realize that conducting block A and conducting block B insulation are not turned on, so as to solve laser diode just The problem of negative pole conducting is short-circuit, while also achieve the work that conducting block A and conducting block B helps laser diode quick heat radiating With.

Above-mentioned technical proposal can be seen that the beneficial effects of the utility model：

(1) efficient radiating apparatus of a kind of LASER Light Source described in the utility model, excellent in heat dissipation effect, heat-conducting type laser The heat that laser diode distributes in light source module passes sequentially through the both positive and negative polarity of itself, quick heat radiating heat-conducting block, heat-radiating substrate and passed It is delivered on radiating fin, wherein positive pole and negative pole are directly welded and fixed with quick heat radiating heat-conducting block, heat-conducting type LASER Light Source mould The heat-radiating substrate of block is fixed by directly welding with radiating fin, is realized the direct contact type transmission of heat, is greatly improved heat Transmission speed, radiator fan be used for further strengthen heat-conducting type laser light source module radiating effect, even if radiator fan send out Raw damage, the heat of laser diode radiating remain able to normally distribute, and the situation of heat accumulation will not occur, so as to laser The service life of diode has an impact.

(2) efficient radiating apparatus of a kind of LASER Light Source described in the utility model, swash in heat-conducting type laser light source module Optical diode is integrally formed with heat-radiating substrate, and the assembling space of occupancy is small, can be reduced on the whole using the whole of this structure The volume of product, improve product competitiveness.

(3) efficient radiating apparatus of a kind of LASER Light Source described in the utility model, can according in projector equipment to light source The demand of power, it can will be spliced between adjacent heat-conducting type laser light source module by connecting, by way of module Rapid Combination The needs of meeting.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of heat-conducting type laser light source module in the utility model；

Fig. 3 is that multiple heat-conducting type laser light source modules splice schematic diagram in the utility model.

In figure：1- radiator fans, 2- heat-conducting types laser light source module, 21- laser diodes, 22 heat-radiating substrates, 221- are led Electric block A, 222- conducting block B, 223- insulating barrier, 211- positive poles, 212 negative poles, 3- radiating fins.

Embodiment

Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate.

Embodiment one

A kind of efficient radiating apparatus of LASER Light Source as Figure 1-3, radiator fan 1, heat-conducting type laser light source module 2 With radiating fin 3, multiple heat-conducting type laser light source modules are provided between the radiator fan 1 and radiating fin 3,2 heat-conducting types swash Radiant module 2 includes laser diode 21 and heat-radiating substrate 22, and the left side of heat-radiating substrate 22 is provided with can quick heat radiating conduction Block A221, the right side of heat-radiating substrate 22 is provided with can quick heat radiating conducting block B222, the conducting block A221 and conducting block B222 Between be provided with insulating barrier 223, the positive pole 211 of the laser diode 21 is connected with conducting block A221, the laser diode 21 Negative pole 212 be connected with conducting block B222.It is weldering between the positive pole 211 of the laser diode 21 and the conducting block A221 Connect.It is welding between the negative pole 212 of the laser diode 21 and the conducting block B222.The heat-radiating substrate 22 and radiating fin It is welding between piece 3.The conducting block A221 and conducting block B222 are copper or gold.The heat-radiating substrate 22 can be according to the pole of laser two The shape of pipe 21 is matched, and heat-radiating substrate 22 and laser diode 21 are integrally formed.

Heat-conducting type laser light source module described in the present embodiment 2 and adjacent heat-conducting type LASER Light Source

Module 2 is connected into by insulating barrier 223 and is integrated.

Heat-radiating substrate 22 described in the present embodiment have that insulating barrier 223 separates by two centres two

Part metals material forms.

Insulating barrier 223 described in the present embodiment is air, or insulating cement, or aluminum oxide.

A kind of efficient radiating apparatus of LASER Light Source described in the utility model, excellent in heat dissipation effect, laser diode 21 dissipate The heat of hair passes sequentially through the both positive and negative polarity of itself, the conducting block of quick heat radiating on heat-radiating substrate 22 is delivered on radiating fin 3, Wherein both positive and negative polarity is directly welded and fixed with conducting block, and heat-radiating substrate 22 is fixed by directly welding with radiating fin 3, realizes heat Contact transmission, greatly improve the transmission speed of heat, improve radiating effect.

Embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model, is reading this practicality After new, those skilled in the art fall within what the application appended claims were limited to various equivalences of the present utility model Scope.

Claims (9)

1. A kind of 1. efficient radiating apparatus of LASER Light Source, it is characterised in that：Including：Radiator fan（1）, heat-conducting type LASER Light Source mould Block（2）And radiating fin（3）, the radiator fan（1）And radiating fin（3）Between be provided with multiple heat-conducting type laser light source modules （2）, heat-conducting type laser light source module（2）Including laser diode（21）And heat-radiating substrate（22）, the heat-radiating substrate（22）It is left Side is provided with can quick heat radiating conducting block A（221）, the heat-radiating substrate（22）Right side is provided with can quick heat radiating conducting block B（222）, The conducting block A（221）Insulating barrier (223), the positive pole of the laser diode (21) are provided between conducting block B (222) (211) it is connected with conducting block A (221), the negative pole (212) of the laser diode (21) is connected with conducting block B (222).
2. A kind of 2. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：The laser diode (21) positive pole (211) and the conducting block A（221）Between for welding.
3. A kind of 3. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：The laser diode （21）Negative pole（212）It is welding between the conducting block B (222).
4. A kind of 4. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：It is characterized in that：Institute State between heat-radiating substrate (22) and radiating fin (3) as welding.
5. A kind of 5. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：The conducting block A （221）With conducting block B（222）For copper or gold.
6. A kind of 6. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：The heat-radiating substrate （22）Can be according to laser diode（21）Shape matched, by heat-radiating substrate（22）With laser diode（21）One into Type.
7. A kind of 7. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：The heat-radiating substrate （22）There is insulating barrier by two centres（223）Two parts metal material composition separated.
8. A kind of 8. efficient radiating apparatus of LASER Light Source according to claim 1, it is characterised in that：The heat-conducting type laser Light source module (2) is connected into by insulating barrier (223) with adjacent heat-conducting type laser light source module (2) and is integrated.
9. A kind of 9. efficient radiating apparatus of LASER Light Source according to claim 1,6 or 7, it is characterised in that：The insulation Layer（223）For air, or insulating cement, or aluminum oxide.