CN218565374U

CN218565374U - Heat dissipation device of high-power COB light source LED lamp

Info

Publication number: CN218565374U
Application number: CN202223163185.7U
Authority: CN
Inventors: 顾晓东
Original assignee: Acp Changzhou Heat Exchanger Co ltd
Current assignee: Acp Changzhou Heat Exchanger Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-03
Anticipated expiration: 2032-11-28

Abstract

The application relates to the field of lighting lamps, in particular to a heat dissipation device of a high-power COB light source LED lamp, which comprises a mounting seat, wherein a heat dissipation mechanism and a heat conduction assembly are arranged on the mounting seat, a mounting groove for installing a COB light source is formed in the mounting seat, and heat is transferred to the heat dissipation mechanism by a bottom plate through the heat conduction assembly; the heat dissipation mechanism comprises a heat dissipation plate and a heat dissipation fin, a plurality of heat dissipation holes are formed in the heat dissipation plate, and the heat dissipation fin is connected with the heat dissipation plate. This application has the effect that makes the bottom plate be difficult for producing the damage because of the heat that the operation produced is too high.

Description

Heat dissipation device of high-power COB light source LED lamp

Technical Field

The application relates to the field of lighting lamps, in particular to a heat dissipation device of a high-power COB light source LED lamp.

Background

The COB light source is a high-light-efficiency integrated surface light source technology which directly pastes an LED chip on a mirror surface metal bottom plate with high light reflection rate by using conductive or non-conductive adhesive and then realizes the electrical connection by wire bonding.

In view of the above-mentioned related art, the inventor believes that when the COB light source is operated, the chip is in direct contact with the base plate due to the lack of the support, and the heat lacks the space for dissipation, so that when the COB light source is operated, the base plate is easily damaged due to the overhigh heat generated by operation.

SUMMERY OF THE UTILITY MODEL

In order to make the bottom plate be difficult for producing the damage because of the heat that the operation produced is too high, this application provides a heat abstractor of high-power COB light source LED lamps and lanterns.

The application provides a heat abstractor of high-power COB light source LED lamps and lanterns adopts following technical scheme:

a heat dissipation device of a high-power COB light source LED lamp is characterized in that a COB light source comprises a chip and a bottom plate, the chip is electrically connected with the bottom plate and comprises a mounting seat, a heat dissipation mechanism and a heat conduction assembly are arranged on the mounting seat, a mounting groove for mounting the COB light source is formed in the mounting seat, and heat is transferred to the heat dissipation mechanism through the heat conduction assembly by the bottom plate;

the heat dissipation mechanism comprises a heat dissipation plate and a heat dissipation fin, a plurality of heat dissipation holes are formed in the heat dissipation plate, and the heat dissipation fin is connected with the heat dissipation plate.

Through adopting above-mentioned technical scheme, when the COB light source operation, on heat transfer to the bottom plate on the chip, the bottom plate is again through heat conduction assembly with heat transfer for the heating panel, dispels the heat through louvre and fin on the heating panel, makes the bottom plate be difficult for damaging because of the heat that the chip circular telegram produced is too high, has improved the stability of bottom plate.

Optionally, be provided with heat-conducting component in the mounting groove, heat-conducting component includes heat-conducting plate and heat conduction post, the heat conduction post passes the heating panel and links to each other with the heat-conducting plate, the heat-conducting plate is close to the heating panel in comparison in the COB light source.

By adopting the technical scheme, the heat on the chip can be conveniently transferred to the heat dissipation plate and the heat dissipation sheet.

Optionally, the heat conducting plate and the heat conducting column are made of insulating materials.

Through adopting above-mentioned technical scheme, make COB light source when the circular telegram, the electric current on the bottom plate is difficult to influence the radiating effect through heat-conducting plate and heat conduction hole inflow heating panel and fin in.

Optionally, install a plurality of installation poles on the mount pad, the one end of installation pole articulates on the mount pad, the other end of installation pole is rotatable to the top surface butt with COB light source bottom plate.

Through adopting above-mentioned technical scheme, when installation COB light source, put into the mounting groove with the COB light source earlier, rotate the installation pole again as to the top looks butt of COB light source bottom plate, make the COB light source be difficult for dropping from the mount pad, improved the stability of COB light source installation.

Optionally, still include the mounting, the mounting is fixing bolt, every the installation pole all includes the first body of rod and the second body of rod, the first body of rod and the crisscross setting of second body of rod, the one end of the first body of rod articulates on the mount pad, the other end of the first body of rod links to each other with the second body of rod is fixed, the one end of keeping away from first body of rod axis of rotation on the second body of rod can be along with the rotation of the first body of rod remove to with COB light source bottom plate top surface looks butt, the fixed orifices has been seted up on the second body of rod, works as during the top surface butt of the second body of rod and COB light source bottom plate, fixing bolt passes the fixed orifices and with the inner wall threaded connection of mounting groove.

By adopting the technical scheme, after the COB light source is placed in the mounting groove, the first rod body is rotated to drive the second rod body to be mutually abutted with the top surface of the bottom plate of the COB light source, the fixing bolt penetrates through the fixing hole and is in threaded connection with the inner wall of the mounting groove, so that the second rod body is not easy to move; when needs take out the COB light source, pull down fixing bolt, rotate the first body of rod again and make the second body of rod remove to leaving the bottom plate, take out the COB light source again, realized the demountable installation of COB light source, simple structure, simple to operate.

Optionally, a friction pad is arranged on the inner wall of the mounting groove.

Through adopting above-mentioned technical scheme, increased the friction of COB light source bottom plate with the mounting groove inner wall, made the COB light source be difficult for dropping from the mounting groove, improved the stability of COB light source installation more.

Optionally, a handheld groove is formed in the side wall of the mounting groove, and the handheld groove is used for taking out the COB light source.

Through adopting above-mentioned technical scheme, be convenient for take out the COB light source from the mounting groove.

Optionally, a limiting clamping groove is formed in the bottom plate on the periphery of the COB light source, and the limiting clamping groove is used for limiting the movement of the second rod body.

Through adopting above-mentioned technical scheme, when the second body of rod removed the top surface looks butt with COB light source bottom plate along with the rotation two of the first body of rod, spacing draw-in groove made the second body of rod be difficult for removing to COB light source installation's stability has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the heat dissipation mechanism and the heat conduction assembly, when the COB light source operates, heat on the chip is transferred to the bottom plate, the bottom plate transfers the heat to the heat dissipation plate through the heat conduction assembly, and heat dissipation is performed through the heat dissipation holes and the heat dissipation fins on the heat dissipation plate, so that the bottom plate is not easily damaged due to overhigh heat generated by electrifying the chip, and the stability of the bottom plate is improved;

2. through the arrangement of the fixing bolt, after the COB light source is placed in the mounting groove, the first rod body is rotated to drive the second rod body to be mutually abutted with the top surface of the bottom plate of the COB light source, and the fixing bolt penetrates through the fixing hole and is in threaded connection with the inner wall of the mounting groove, so that the second rod body is not easy to move; when the COB light source needs to be taken out, the fixing bolt is detached, the first rod body is rotated to enable the second rod body to move away from the bottom plate, and then the COB light source is taken out, so that the detachable installation of the COB light source is realized, the structure is simple, and the installation is convenient;

3. through the setting of spacing draw-in groove, when the second body of rod removed to the top surface looks butt with COB light source bottom plate along with the rotation two of the first body of rod, spacing draw-in groove made the second body of rod be difficult for removing to the stability of COB light source installation has been improved.

Drawings

Fig. 1 is an overall structural schematic diagram of a heat dissipation device of a high-power COB light source LED lamp according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a heat conducting assembly in an embodiment of the present application.

Fig. 3 is a schematic structural view for showing a heat dissipation plate in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a mounting rod in the embodiment of the present application.

Description of reference numerals: 1. a mounting seat; 11. mounting grooves; 111. a heat conduction hole; 12. a hand-held tank; 13. a friction pad; 14. mounting a rod; 141. a first rod body; 142. a second rod body; 1421. a fixing hole; 2. a heat dissipation mechanism; 21. a heat dissipation plate; 211. heat dissipation holes; 22. a heat sink; 3. a heat conducting component; 31. a heat conducting plate; 32. a heat-conducting column; 4. a COB light source; 41. a chip; 42. a base plate; 421. a limiting clamping groove; 5. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses heat abstractor of high-power COB light source LED lamps and lanterns. Referring to fig. 1 and 2, the heat dissipation device of the high-power COB light source LED lamp includes a mounting base 1, a heat dissipation mechanism 2 and a heat conduction assembly 3, the COB light source 4 includes a chip 41 and a base plate 42, and the chip 41 and the base plate 42 are electrically connected. Heat dissipation mechanism 2 is used for distributing away the heat that COB light source 4 produced, and heat-conducting component 3 is used for giving heat transfer for heat dissipation mechanism 2. Mounting groove 11 that supplies the installation of COB light source 4 is seted up to 1 top surface of mount pad, and mounting groove 11 and COB light source 4 looks adaptation offer a plurality of confessions on the lateral wall of mounting groove 11 and take COB light source 4's handheld groove 12. Fixed mounting has friction pad 13 on 11 inner walls of mounting groove, has increased the frictional force between 11 inner walls of mounting groove and COB light source 4, makes COB light source 4 be difficult for dropping away in the mounting groove 11, has improved the stability of COB light source 4 installation.

When COB light source 4 moves, the heat that produces is passed through heat-conducting component 3 and is transmitted for heat dissipation mechanism 2 to the heat that makes chip 41 produce is distributed away, makes bottom plate 42 be difficult for damaging because of the heat is too high, has improved COB light source 4's security.

Referring to fig. 1, 2 and 3, the heat dissipation mechanism 2 includes a heat dissipation plate 21 and heat dissipation fins 22, the heat dissipation plate 21 is fixedly connected to the bottom surface of the mounting base 1, heat dissipation holes 211 are formed in the heat dissipation plate 21, and the heat dissipation fins 22 are located on one side of the heat dissipation plate 21 away from the COB light source 4 and are fixedly connected to the heat dissipation plate 21. When the COB light source 4 operates, the chip 41 generates heat and transfers the heat to the bottom plate 42, and the bottom plate 42 transfers the heat to the heat dissipation plate 21 and the heat dissipation fins 22 through the heat conduction assembly 3 to dissipate the heat, so that the temperature on the bottom plate 42 is reduced, the bottom plate 42 is not easily damaged due to overhigh temperature, and the safety of the bottom plate 42 is improved.

Referring to fig. 1 and 2, heat-conducting component 3 includes fixed connection's heat-conducting plate 31 and heat conduction post 32, heat-conducting plate 31 is located the diapire of mounting groove 11, and heat-conducting plate 31 is close to heating panel 21 in comparison with COB light source 4, heat conduction hole 111 has all been seted up on the diapire of heating panel 21 and mounting groove 11, heat conduction post 32 card is located heat conduction hole 111, heat-conducting plate 31 and heat conduction post 32 are insulating material and make, the electric current that makes COB light source 4 operation produce can not flow into in heating panel 21 and fin 22 through heat-conducting plate 31 and heat conduction post 32, influence the radiating effect.

Referring to fig. 2 and 4, four installation rods 14 are fixedly installed on the top surface of the installation base 1, the installation rods 14 are located at four corners of the COB light source 4 bottom plate 42, each installation rod 14 includes a first rod 141 and a second rod 142 which are integrally formed, one end of the first rod 141, which is far away from the second rod 142, is hinged to the top surface of the installation base 1, and the second rod 142 can move to abut against the COB light source 4 bottom plate 42 along with the rotation of the first rod 141. The top surface of the inner wall of the mounting groove 11 is higher than the top surface of the bottom plate 42 of the COB light source 4, and when the second rod 142 abuts against the top surface of the bottom plate 42 of the COB light source 4, the bottom surface of the second rod 142 is lower than the top surface of the mounting seat 1. The heat dissipation device further includes a fixing member, the fixing member is a fixing bolt 5, a fixing hole 1421 is formed in the second rod 142, and the fixing bolt 5 penetrates through the fixing hole 1421 and is in threaded connection with the inner side wall of the mounting groove 11.

After the COB light source 4 is placed in the mounting groove 11, the first rod 141 is rotated to drive the second rod 142 to abut against the top surface of the bottom plate 42 of the COB light source 4, and the fixing bolt 5 passes through the fixing hole 1421 and is in threaded connection with the inner wall of the mounting groove 11, so that the second rod 142 is not easy to move; when COB light source 4 is taken out as required, fixing bolt 5 is detached, first rod body 141 is rotated again to enable second rod body 142 to move to leave bottom plate 42, COB light source 4 is taken out again, detachable installation of COB light source 4 is achieved, and the COB light source device is simple in structure and convenient to install

Referring to fig. 1 and 4, spacing draw-in groove 421 has been seted up to COB light source 4's bottom plate 42 top surface simultaneously, and spacing draw-in groove 421 is used for restricting the removal of the second body of rod 142, makes the second body of rod 142 along with the rotation of the first body of rod 141 remove to be difficult for removing after the top surface looks butt with COB light source 4 bottom plate 42, has further improved the stability with the installation of COB light source 4.

The implementation principle of the heat abstractor of this application embodiment a high-power COB light source LED lamps and lanterns is: when the COB light source 4 operates, heat generated on the chip 41 is transferred to the bottom plate 42, and the bottom plate 42 transfers the heat to the heat dissipation mechanism 2 through the heat conduction assembly 3 to dissipate the heat, so that the bottom plate 42 is not easily damaged due to overhigh temperature, and the safety of the bottom plate 42 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heat abstractor of high-power COB light source LED lamps and lanterns, COB light source (4) include chip (41) and bottom plate (42), and chip (41) are connected its characterized in that with bottom plate (42) electricity: the COB light source mounting structure comprises a mounting seat (1), wherein a heat dissipation mechanism (2) and a heat conduction assembly (3) are arranged on the mounting seat (1), a mounting groove (11) for mounting a COB light source (4) is formed in the mounting seat (1), and heat is transferred to the heat dissipation mechanism (2) through the heat conduction assembly (3) by a bottom plate (42);

the heat dissipation mechanism (2) comprises a heat dissipation plate (21) and heat dissipation fins (22), the heat dissipation plate (21) is provided with a plurality of heat dissipation holes (211), and the heat dissipation fins (22) are connected with the heat dissipation plate (21).

2. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 1, wherein: be provided with heat-conducting component (3) in mounting groove (11), heat-conducting component (3) include heat-conducting plate (31) and heat conduction post (32), heat conduction post (32) pass heating panel (21) and link to each other with heat-conducting plate (31), heat-conducting plate (31) are compared and are close to heating panel (21) in COB light source (4).

3. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 2, wherein: the heat conducting plate (31) and the heat conducting columns (32) are made of insulating materials.

4. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 1, wherein: install a plurality of installation pole (14) on mount pad (1), the one end of installation pole (14) articulates on mount pad (1), the other end of installation pole (14) can rotate to the top surface butt with COB light source (4) bottom plate (42).

5. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 4, wherein: still include the mounting, the mounting is fixing bolt (5), every installation pole (14) all include the first body of rod (141) and the second body of rod (142), the crisscross setting of the first body of rod (141) and the second body of rod (142), the one end of the first body of rod (141) articulates on mount pad (1), the other end and the second body of rod (142) of the first body of rod (141) are fixed to be linked to each other, the one end of keeping away from first body of rod (141) axis of rotation on the second body of rod (142) can be along with the rotation of the first body of rod (141) remove to with COB light source (4) bottom plate (42) top surface looks butt, fixed orifices (1421) have been seted up on the second body of rod (142), work as when the top surface butt of the second body of rod (142) and COB light source (4) bottom plate (42), fixing bolt (5) pass fixed orifices (1421) and with the inner wall threaded connection of mounting groove (11).

6. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 1, wherein: and a friction pad (13) is arranged on the inner wall of the mounting groove (11).

7. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 1, wherein: the lateral wall of mounting groove (11) has been seted up handheld groove (12), handheld groove (12) are used for taking out COB light source (4).

8. The heat dissipation device of a high-power COB light source LED lamp as claimed in claim 5, wherein: spacing draw-in groove has been seted up on COB light source (4) week side bottom plate (42), spacing draw-in groove is used for restricting the removal of the second body of rod (142).