CN102121582A

CN102121582A - Led light source module

Info

Publication number: CN102121582A
Application number: CN2010105726647A
Authority: CN
Inventors: 周保生
Original assignee: Dongguan Kingsun Optoelectronic Co Ltd
Current assignee: KINGSUN OPTOELECTRONIC CO Ltd
Priority date: 2010-12-03
Filing date: 2010-12-03
Publication date: 2011-07-13
Anticipated expiration: 2030-12-03
Also published as: CN102121582B

Abstract

The invention relates to the semiconductor lighting technology, in particular to an LED light source module, which comprises a metal substrate, wherein an LED bulb is arranged on the front surface of the metal substrate and is connected to the metal substrate through a base; the LED light source module also comprises a lens, wherein a concave pit defined by a skirt edge is formed on the light incidence side of the lens, the lens is buckled on the LED bulb and the base, the LED bulb and the base are sunk into the concave pit, and the skirt edge surrounds the base; the LED light source module further comprises a sectional material, the sectional material is provided with a cavity, the top surface of the sectional material is provided with a hole, the metal substrate is arranged in the cavity, and the lens protrudes out of the top surface of the sectional material through the hole. The invention provides an LED light source module with simple structure and high heat dissipation efficiency.

Description

The led light source module

Technical field

The present invention relates to the semiconductor lighting technology, relate in particular to a kind of led light source module.

Background technology

The semiconductor lighting technology has become the main flow in light source market because of it has energy-conservation and characteristics long service life.

The led light source module substantially all comprises a metal substrate, to strengthen heat-conducting effect.The LED illuminator is arranged at the front of metal substrate, and thermal component is attached at the reverse side of metal substrate.

As Chinese patent literature CN101625081A in disclosed a kind of led light source module on January 13rd, 2010, this led light source module comprises LED illuminating module and module pedestal, this led light source module also comprises the optics cover plate, described optics cover plate is fixedly arranged on described module pedestal, define a closed space with described module pedestal, described LED illuminating module is arranged at described closed space; Described optics cover plate outer surface is plane or smooth excessive cambered surface, and described optics cover plate inner surface has several inner sunken faces; Described LED illuminating module has several LED illuminators, each LED illuminator the place ahead described inner sunken face that all distributes accordingly.

Chinese patent literature CN101101103A is in disclosed a kind of LED street lamp on January 9th, 2008 for another example, this LED street lamp comprises lamp body and LED bulb, lamp body comprises head section, stage casing, rear, and the head section is docked setting with the stage casing, and the other end in stage casing docks setting with rear; Be provided with sealing gasket between head section and the stage casing, the head section is connected with the stage casing by securing member; Be provided with sealing gasket between rear and the stage casing, rear is connected with the stage casing by securing member; The stage casing is a kind of section bar, and along the profile length direction, diverse location has identical cross section; Section bar has substrate, and substrate is tabular, and substrate extends along the profile length direction, and substrate has two faces, obverse and reverse; Two positive edges are provided with side plate respectively, and several heat radiation wings are set on the reverse side; The LED bulb is arranged on a face of conductive sole plate, constitutes the LED showing plate, has printed circuit on the conductive sole plate, and the front that the one side that conductive sole plate is not provided with the LED bulb is close to the substrate in lamp body stage casing is provided with; The LED street lamp also comprises secondary optical lens, and secondary optical lens is arranged on the lens base plate by button bit, and lens base plate and LED showing plate be arranged in parallel, the corresponding secondary optical lens of each LED bulb; The lens base plate has some contour supporting positions towards a side of LED showing plate, supporting position butt conductive sole plate, and lens base plate, conductive sole plate are fixedly connected on substrate front side by securing member; The head section of lamp body has first transverse slat, and first transverse slat is arranged on an end that docks with the stage casing; Rear has second transverse slat, and second transverse slat is arranged on an end that docks with the stage casing; First transverse slat, second transverse slat, the side plate at positive two edges, stage casing, the front in stage casing define a cavity altogether, the front in stage casing constitutes the end of cavity, the side plate at first transverse slat, second transverse slat, positive two edges, stage casing constitutes the wall of cavity, and the cavity wall is provided with the step that is used for ccontaining lampshade away from an end at the end; The head section has one section pipe, and the axle center of pipe is vertical with first transverse slat, and first transverse slat is provided with a wire hole that leads in the pipe, and the sidewall of pipe has the screwed hole that connects tube wall; Head section, stage casing, rear all adopt Heat Conduction Material to make; The LED street lamp also comprises lampshade, and lampshade is arranged in the described step, is provided with sealing gasket between lampshade and the lamp body.

The same with aforementioned prior art, all there is complex structure in led light source on the market, the shortcoming that assembly cost is high.

On the other hand, the heat transfer path of prior art has also determined the limitation of its radiating effect, patent documentation is the same as the aforementioned, in the prior art, after the heat that LED when work produces is passed to metal substrate from the front of metal substrate, pass to thermal component from the reverse side of metal substrate, the limitation that the radiating effect of the tediously long decision of heat transfer path promotes.

Summary of the invention

The succinct led light source module that the objective of the invention is to overcome above-mentioned the deficiencies in the prior art part and a kind of structure is provided.

The led light source module that provides a kind of radiating efficiency high is provided secondary objective of the present invention.

Purpose of the present invention can be achieved through the following technical solutions:

A kind of led light source module comprises metal substrate, and the metal substrate front is provided with the LED bulb, it is characterized in that: the LED bulb is connected in metal substrate by base; This led light source module also comprises lens, and lens light inlet one side has by the shirt rim and defines the pit that forms, and the lens button is located at LED bulb and base, and LED bulb and base sink to pit, and the shirt rim is surrounded on base; This led light source module also comprises section bar, and section bar has cavity, and the section bar end face has the hole, and metal substrate is arranged at inside cavity, and lens protrude in the section bar end face by described hole.

The led light source module, it is characterized in that: described section bar has an end face and two sidewalls, an end face and two sidewalls define described cavity jointly, the tail end of two sidewalls has a groove respectively, this led light source module also comprises a pressing plate, the both sides of pressing plate are placed in two grooves respectively, and pressing plate is provided with screw, and the front end of screw is connected to the reverse side of described metal substrate.

The led light source module is characterized in that: section bar sidewall outside also has the heat radiation rib, and the heat radiation rib is along the length direction setting of section bar.

The led light source module is characterized in that: the two side of section bar also has the thread Pilot hole that is provided with along the profile length direction respectively.

The led light source module is characterized in that: this led light source module also comprises the mount pad that is arranged at the section bar two ends; Mount pad is connected in the screw bottom outlet by screw.

The led light source module is characterized in that: section bar, pressing plate, mount pad, metal substrate, screw define an enclosure space jointly, are full of colloid in this enclosure space.

The led light source module is characterized in that: pressing plate and metal substrate be arranged in parallel.

The led light source module is characterized in that: the width of a wherein sidewall of section bar is greater than the width of another sidewall, and the tail end of a sidewall of broad extends outside the groove.

The led light source module, it is characterized in that: described section bar has an end face and two sidewalls, an end face and two sidewalls define described cavity jointly, the tail end of two sidewalls has a groove respectively, this led light source module also comprises a pressing plate, the both sides of pressing plate are placed in two grooves respectively, and pressing plate is provided with screw, and the front end of screw is connected to the reverse side of described metal substrate; Section bar sidewall outside also has the heat radiation rib, and the heat radiation rib is along the length direction setting of section bar; The two side of section bar also has the thread Pilot hole that is provided with along the profile length direction respectively; This led light source module also comprises the mount pad that is arranged at the section bar two ends; Mount pad is connected in the screw bottom outlet by screw; Section bar, pressing plate, mount pad, metal substrate, screw define an enclosure space jointly, are full of colloid in this enclosure space; Pressing plate and metal substrate be arranged in parallel; The width of a wherein sidewall of section bar is greater than the width of another sidewall, and the tail end of a sidewall of broad extends outside the groove; Described section bar has an end face and two sidewalls, an end face and two sidewalls define described cavity jointly, the tail end of two sidewalls has a groove respectively, this led light source module also comprises a pressing plate, the both sides of pressing plate are placed in two grooves respectively, pressing plate is provided with screw, and the front end of screw is connected to the reverse side of described metal substrate.

Led light source module of the present invention, the metal substrate front is provided with the LED bulb, and the LED bulb is connected in metal substrate by base, and the lens button is located at LED bulb and base, and LED bulb and base sink to pit, and the shirt rim is surrounded on base; Metal substrate is arranged at the section bar inside cavity, and lens protrude in the section bar end face by described hole.Compared with prior art, saved housing and gone out light shield, simple for structure, assembling is easy and efficient is high.On the other hand, because of metal substrate is arranged at inside cavity, lens protrude in the section bar end face, so the front of substrate directly contacts with section bar, the heat that produces during LED work need not to pass whole metal substrate, and the metal substrate front directly is passed to section bar from the metal substrate front again after LED receives heat.Its heat transference efficiency is higher than prior art, good heat dissipation effect.

Description of drawings

Fig. 1 is the schematic perspective view of first embodiment of the invention.

Fig. 2 is the lens of first embodiment of the invention, reaches metal substrate, base, LED bulb assembly schematic diagram.

Fig. 3 is the generalized section of first embodiment of the invention.

Fig. 4 is the perspective exploded view of first embodiment of the invention.

The specific embodiment

The invention will be further described below in conjunction with accompanying drawing.

Referring to figs. 1 to Fig. 4, first embodiment of the invention is a kind of led light source module, comprises metal substrate 103, and metal substrate 103 fronts are provided with LED bulb 101, and LED bulb 101 is connected in metal substrate 103 by base 102; This led light source module also comprises lens 104, lens 104 light inlets one side has by shirt rim 1042 and defines the pit 1041 that forms, lens 104 buttons are located at LED bulb 101 and base 102, and LED bulb 101 and base 102 sink to pit 1041, and shirt rim 1042 is surrounded on around the base 102; This led light source module also comprises section bar 105, and section bar 105 has cavity, and the section bar end face has hole 1051, and metal substrate 103 is arranged at inside cavity, and lens 104 protrude in the end face of section bar 105 by described hole 1051.

In the present embodiment, described section bar 105 has an end face and two sidewalls, an end face and two sidewalls define described cavity jointly, the tail end of two sidewalls has a groove 1053 respectively, this led light source module also comprises a pressing plate 107, the both sides of pressing plate 107 are placed in two grooves 1053 respectively, and pressing plate is provided with screw 108, and the front end of screw 108 is connected to the reverse side of described metal substrate 103;

In the present embodiment, the section bar 105 sidewalls outside also has heat radiation rib 1052, and heat radiation rib 1052 is along the length direction setting of section bar, and heat radiation rib 1052 herein also is appreciated that into heat radiation wing or radiating fin; The two side of section bar 105 also has the thread Pilot hole 1054 that is provided with along the profile length direction respectively; This led light source module also comprises the mount pad 106 that is arranged at the section bar two ends; Mount pad 106 is connected in screw bottom outlet 1054 by screw.

In the present embodiment, section bar 105, pressing plate 107, mount pad 106, metal substrate 103, screw 108 define an enclosure space jointly, are full of colloid 109 in this enclosure space; Colloid 109 can be selected silica gel for use, but is not limited to this, also the colloid that can select for use other to be easy to injecting glue and to have water-proof function; Certainly, colloid 109 is optionally, as a kind of conversion scheme of present embodiment, also colloid 109 can be set.

In the present embodiment, described section bar 105 has an end face and two sidewalls, an end face and two sidewalls define described cavity jointly, the tail end of two sidewalls has a groove 1055 respectively, this led light source module also comprises a pressing plate 107, the both sides of pressing plate 107 are placed in two grooves 1055 respectively, and pressing plate is provided with screw 108, and the front end of screw 108 is connected to the reverse side of described metal substrate 103.

In the present embodiment, pressing plate 107 be arranged in parallel with metal substrate 103; The width of a wherein sidewall of section bar 105 is greater than the width of another sidewall, and the tail end 1055 of a sidewall of broad extends outside the groove 1053.

Claims

1. A LED light source module, comprising a metal substrate, and an LED light bulb is arranged on the front of the metal substrate, characterized in that: the LED light bulb is connected to the metal substrate through a base; the LED light source module also includes a lens, and the light incident side of the lens has a The formed pit, the lens buckle is set on the LED bulb and the base, the LED bulb and the base sink into the pit, and the skirt surrounds the base; the LED light source module also includes a profile, the profile has a cavity, the top surface of the profile has a hole, and the metal substrate The lens is arranged inside the cavity, and the lens protrudes from the top surface of the profile through the hole.

2. The LED light source module according to claim 1, wherein the profile has a top surface and two side walls, a top surface and two side walls jointly define the cavity, and the two side walls The LED light source module also includes a pressure plate, the two sides of the pressure plate are respectively accommodated in two grooves, the pressure plate is provided with a screw, and the front end of the screw abuts against the reverse surface of the metal substrate.

3. The LED light source module according to claim 2, characterized in that: the side wall of the profile is further provided with cooling ribs, and the cooling ribs are arranged along the length direction of the profile.

4. The LED light source module according to claim 2 or 3, characterized in that: the two side walls of the profile also respectively have threaded bottom holes arranged along the length direction of the profile.

5. The LED light source module according to claim 4, characterized in that: the LED light source module further comprises mounting seats arranged at both ends of the profile; the mounting seats are connected to the screw bottom holes by screws.

6. The LED light source module according to claim 5, characterized in that: the profile, the pressure plate, the mounting seat, the metal base plate, and the screws jointly define a closed space, and the closed space is filled with colloid.

7. The LED light source module according to claim 2, wherein the pressing plate is arranged parallel to the metal substrate.

8. The LED light source module according to claim 2 or 7, wherein the width of one of the side walls of the profile is larger than that of the other side wall, and the tail end of the wider side wall extends outside the groove.

9. The LED light source module according to claim 1, wherein the profile has a top surface and two side walls, a top surface and two side walls jointly define the cavity, and the two side walls The LED light source module also includes a pressure plate, the two sides of the pressure plate are respectively accommodated in two grooves, the pressure plate is provided with a screw, and the front end of the screw abuts against the reverse surface of the metal substrate.

10. The LED light source module according to claim 1, wherein the profile has a top surface and two side walls, a top surface and two side walls jointly define the cavity, and the two side walls The tail ends of each have a groove, and the LED light source module also includes a pressure plate, the two sides of the pressure plate are respectively accommodated in two grooves, the pressure plate is provided with a screw, and the front end of the screw abuts against the reverse surface of the metal substrate; The side wall of the profile also has heat dissipation ribs, and the heat dissipation ribs are arranged along the length direction of the profile; the two side walls of the profile also have threaded bottom holes respectively arranged along the length direction of the profile; the LED light source module also includes mounting seats arranged at both ends of the profile; The mounting seat is connected to the bottom hole of the screw by screws; the profile, the pressure plate, the mounting seat, the metal substrate, and the screws together define a closed space, which is filled with colloid; the pressure plate and the metal substrate are arranged in parallel; the width of one of the side walls of the profile greater than the width of the other side wall, the end of the wider side wall extending beyond the groove; the profile has a top surface and two side walls which together define the cavity body, the tail ends of the two side walls respectively have a groove, the LED light source module also includes a pressure plate, the two sides of the pressure plate are respectively accommodated in the two grooves, the pressure plate is provided with a screw, and the front end of the screw abuts against the The reverse side of the above metal substrate.