CN213040379U

CN213040379U - COB spotlight

Info

Publication number: CN213040379U
Application number: CN202022097435.6U
Authority: CN
Inventors: 张跃宗; 李世国; 李春霞; 王旭
Original assignee: Shenzhen Institute of Information Technology
Current assignee: Shenzhen Institute of Information Technology
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-23
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a COB shot-light includes lamp stand, radiator, LED light source subassembly and cover body, the radiator is installed on the lamp stand, the LED light source subassembly is installed on the radiator, the cover body is installed on the radiator; the radiator comprises a radiating base body and radiating fins formed by extending the periphery of the middle part of the radiating base body; the cover body comprises a base part and a mounting part formed by extending the periphery of the base part, and an air exchange hole is arranged between the base part and the mounting part; the lamp holder comprises a holder body, a mounting groove and heat dissipation holes, wherein the mounting groove and the heat dissipation holes are formed in the holder body; the utility model discloses a clearance and louvre between air exchange hole, the fin form heat dissipation channel in vertical direction, and convection current about the air after the COB shot-light installation is realized, improves the radiating efficiency of radiator.

Description

COB spotlight

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a COB shot-light.

Background

The LED has the characteristics of energy conservation, environmental protection, long service life, small volume and the like, and is widely applied to the field of illumination. The heat dissipated by the LED during illumination needs to be conducted out through the medium in time, which may shorten the service life of the LED and even damage the LED. At present, the technical scheme for solving the problem of heat dissipation generally adopts aluminum materials to dissipate heat and conduct the heat to the air.

Because COB shot-light is when using, after the installation except lamp shade, light guide plate or lens board at COB shot-light, other structures are hidden, to heat radiation structure, difficult accomplish the radiating effect of air convection. Therefore, how to improve the radiating effect of radiator and can satisfy the installation effect of whole COB shot-light simultaneously is the technical problem that needs to solve at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes prior art's above shortcoming and not enough, provides a COB shot-light with dustproof effect.

A COB (chip on Board) spotlight comprises a lamp holder, a radiator, an LED light source assembly and a cover body, wherein the radiator is arranged on the lamp holder, the LED light source assembly is arranged on the radiator, and the cover body is arranged on the radiator; the radiator comprises a radiating base body and radiating fins formed by extending the periphery of the middle part of the radiating base body; the cover body comprises a base part and a mounting part formed by extending the periphery of the base part, and an air exchange hole is arranged between the base part and the mounting part; the lamp holder comprises a holder body, a mounting groove and heat dissipation holes, wherein the mounting groove and the heat dissipation holes are formed in the holder body, the heat dissipation holes are annularly distributed at the bottom of the mounting groove, and gaps among the air exchange holes and the heat dissipation fins and the heat dissipation holes form heat dissipation channels in the vertical direction.

In one embodiment, the LED light source assembly comprises an LED light source module and an optical module, wherein the optical module is mounted on the LED light source module, the LED light source module comprises a PCB board and an LED light source attached to the PCB board, the optical module comprises a mounting frame and an optical lens, and the optical lens is mounted on the mounting frame; a through hole is formed in the middle of the mounting rack, and the LED light source penetrates through the through hole; the PCB and the mounting rack are mounted on the upper surface of the radiator.

In one embodiment, the base of the cover body covers the optical lens and is fixed with the heat sink, and the center of the base is provided with a light-transmitting hole, so that the optical module is fixed in the heat sink.

In one embodiment, the middle of the radiator is provided with a plurality of radiating ventilation holes, and the tail ends of the radiating fins extend towards two sides respectively to form radiating fins.

In one embodiment, the bottom of the heat sink is inserted into the mounting groove and fixed, so that the heat sink is fixedly connected with the lamp holder.

In one embodiment, two opposite clamping plates are arranged on the mounting part.

In one embodiment, the heat sink is made of metal, thermally conductive plastic or ceramic.

The utility model discloses a COB shot-light includes lamp stand, radiator, LED light source subassembly and cover body, the radiator is installed on the lamp stand, the LED light source subassembly is installed on the radiator, the cover body is installed on the radiator; the radiator comprises a radiating base body and radiating fins formed by extending the periphery of the middle part of the radiating base body; the cover body comprises a base part and a mounting part formed by extending the periphery of the base part, and an air exchange hole is arranged between the base part and the mounting part; the lamp holder comprises a holder body, a mounting groove and heat dissipation holes, wherein the mounting groove and the heat dissipation holes are formed in the holder body; the utility model discloses a set up the air exchange hole on the cover body and set up the louvre on the lamp stand for clearance and louvre between air exchange hole, the fin form heat dissipation channel in vertical direction, and the convection current about the air after the COB shot-light installation is realized, improves the radiating efficiency of radiator.

Drawings

Fig. 1 is a schematic structural view of a COB spot lamp of the present invention;

fig. 2 is an exploded view of the COB spot lamp of fig. 1;

fig. 3 is a cross-sectional view of the COB spot lamp of the present invention shown in fig. 1;

fig. 4 is a schematic structural diagram of another embodiment of the COB spot lamp of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the present invention provides a COB spot lamp, which includes a lamp holder 1, a heat sink 2, an LED light source assembly 3 and a cover 4, wherein the heat sink 2 is installed on the lamp holder 1, the LED light source assembly 3 is installed on the heat sink 2, and the cover 4 is installed on the heat sink 2; the lampshade 4 covers the LED light source component 3, so that the radiator 2, the LED light source component 3 and the lampshade 4 are fixed together.

More specifically, the heat sink 2 includes a heat dissipation base 21, heat dissipation fins 22 formed by extending the periphery of the middle portion of the heat dissipation base 21, and a plurality of heat dissipation vent holes 23 formed in the middle portion of the heat dissipation base 21, the heat dissipation vent holes 23 can enable heat conduction of the LED light source assembly 3 to dissipate heat through a solid medium and a gas medium at the same time, and the heat dissipation fins 22 are distributed on the outer edge of the heat dissipation base 21 in an annular array. The lamp shade 4 includes base 41 and the installation department 42 that forms by the extension of base 41 periphery, the installation department 42 is used for the card of whole COB shot-light to establish the installation, be provided with air exchange hole 43 between base 41 and the installation department 42, air exchange hole 43 distributes between base 41 and installation department 42 with annular array, the clearance between two adjacent fin 22 is equivalent with air exchange hole 43's size. The lamp holder 1 comprises a holder body 11, a mounting groove 12 and radiating holes 13, wherein the mounting groove 12 and the radiating holes 13 are formed in the holder body 11, the radiating holes 13 are annularly distributed at the bottom of the mounting groove 12, and during mounting, the bottom of the radiator 2 is inserted into the mounting groove 12 and fixed, so that the radiator 2 is fixedly connected with the lamp holder 1. The air exchange holes 43, the gaps between the heat radiating fins 22 and the heat radiating holes 13 form heat radiating passages in the vertical direction. Make whole COB shot-light after the installation, convection current about the air after realizing COB shot-light installation in vertical direction improves the radiating efficiency of radiator 2.

Wherein, LED light source subassembly 3 includes LED light source module 31 and optical module 32, optical module 32 is installed on LED light source module 31, LED light source module 31 includes PCB board 311 and pastes the LED light source 312 of establishing at PCB board 311, optical module 32 includes mounting bracket 321 and optical lens 322, optical lens 322 is installed on mounting bracket 321, generally be provided with the accepting groove on mounting bracket 321, establish the terminal card of optical lens 322 on the accepting groove of mounting bracket 321, belong to the conventional art that technical personnel in the field can think, and this patent is no longer repeated. A through hole 3211 is formed in the middle of the mounting frame 321, and the LED light source 312 penetrates through the through hole 3211; the PCB 311 and the mounting bracket 321 are mounted on the upper surface of the heat sink 2.

The base 41 of the cover 4 covers the optical lens 322 and is fixed to the heat sink 2, and the center of the base 41 is opened with a light hole 411, so that the optical module 32 is fixed in the heat sink 2.

In order to further improve the heat dissipation effect of the heat sink 2, the ends of the heat dissipation fins 22 extend to both sides to form heat dissipation fins 24, and the gap enclosed between the heat dissipation fins 22 and the heat dissipation fins 24 is communicated with the air exchange holes 43 and the heat dissipation holes 13 to form the heat dissipation channel, so that the heat dissipation effect of the whole COB spot lamp is better.

The material of the radiator 2 is one of metal, heat-conducting plastic or ceramic, and after comprehensive consideration, the radiator is preferably an aluminum profile.

Referring to fig. 4, in order to improve the installation effect of the whole COB spot lamp, two opposite clamping plates 44 are disposed on the installation portion 42, and the clamping plates 44 are used for being clamped with a connection structure for installing the COB spot lamp.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a COB shot-light which characterized in that: the LED lamp comprises a lamp holder, a radiator, an LED light source assembly and a cover body, wherein the radiator is arranged on the lamp holder, the LED light source assembly is arranged on the radiator, and the cover body is arranged on the radiator; the radiator comprises a radiating base body and radiating fins formed by extending the periphery of the middle part of the radiating base body; the cover body comprises a base part and a mounting part formed by extending the periphery of the base part, and an air exchange hole is arranged between the base part and the mounting part; the lamp holder comprises a holder body, a mounting groove and heat dissipation holes, wherein the mounting groove and the heat dissipation holes are formed in the holder body, the heat dissipation holes are annularly distributed at the bottom of the mounting groove, and gaps among the air exchange holes and the heat dissipation fins and the heat dissipation holes form heat dissipation channels in the vertical direction.

2. The COB spot light of claim 1, characterized in that: the LED light source assembly comprises an LED light source module and an optical module, the optical module is arranged on the LED light source module, the LED light source module comprises a PCB and an LED light source attached to the PCB, the optical module comprises a mounting frame and an optical lens, and the optical lens is arranged on the mounting frame; a through hole is formed in the middle of the mounting rack, and the LED light source penetrates through the through hole; the PCB and the mounting rack are mounted on the upper surface of the radiator.

3. The COB spot lamp of claim 2, characterized in that: the base of the cover body covers the optical lens and is fixed with the radiator, and the center of the base is provided with a light hole, so that the optical module is fixed in the radiator.

4. The COB spot light of claim 1, characterized in that: a plurality of heat dissipation ventilation holes are formed in the middle of the radiator, and the tail ends of the heat dissipation fins extend towards two sides respectively to form heat dissipation fins.

5. The COB spot light of claim 1, characterized in that: the bottom of the radiator is inserted into the mounting groove and fixed, so that the radiator and the lamp holder are fixedly connected.

6. The COB spot light of claim 1, characterized in that: two opposite clamping plates are arranged on the mounting part.

7. The COB spotlight of any one of claims 1-6, wherein: the radiator is made of metal, heat-conducting plastic or ceramic.