CN213577348U

CN213577348U - COB substrate assembly easy to dissipate heat

Info

Publication number: CN213577348U
Application number: CN202022826172.8U
Authority: CN
Inventors: 辛小娟; 吴叠; 何延权
Original assignee: Guangzhou Mankun Electronic Co ltd
Current assignee: Guangzhou Mankun Electronic Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-06-29
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a COB base plate technical field, this easy heat dissipation COB base plate subassembly, which comprises a substrate body, the constant head tank has been seted up to the inside of base plate body, the blind groove of installation has been seted up to the inside of constant head tank, the base plate body has seted up first mounting hole around the constant head tank, the inside in blind groove of installation is provided with COB light source subassembly, the top of base plate body is provided with location radiator unit, COB light source subassembly is located location radiator unit's center. The utility model has the advantages that: this easy heat dissipation COB base plate subassembly through being provided with location radiator unit, and location radiator unit installs at the base plate body, can fix a position the COB light source subassembly, and installation stability is better, through the one side fixedly connected with heat conduction post at annular heat dissipation dish, in the heat conduction post inserts the thermovent and with the louvre one-to-one, can avoid COB light source subassembly to rotate, is favorable to improving the stability of COB light source subassembly installation in the use.

Description

COB substrate assembly easy to dissipate heat

Technical Field

The utility model relates to a COB base plate technical field, especially an easy heat dissipation COB base plate subassembly.

Background

With the continuous development of the LED industry, people have no more strange ideas such as energy conservation and environmental protection for LEDs, and have begun to have some requirements while accepting LED products, a COB light source is a high-light-efficiency integrated surface light source technology for directly attaching an LED chip to a mirror metal substrate with high light reflection rate, and as the maturity of front-mounted LED products is higher and higher, the technology promotion difficulty is higher and higher, and the flip-chip LED technology has been gradually pursued by industries in recent years. At present, current COB flip-chip substrate assembly structure is too complicated, uses inconveniently, can not realize high-efficient heat dissipation function, and thermal conductivity is poor, the condition that the high fever burnt out appears easily to influence work efficiency, the illumination area is limited moreover, and luminance is low, has reduced performance.

Existing substrate assemblies also have the following disadvantages:

because the LED chip is directly pasted on the mirror surface metal substrate with high reflection rate by the conventional COB light source, the use stability is poor, and the LED chip is easy to fall off and inconvenient to use; the existing substrate assembly has poor heat dissipation effect when in use, and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide an easy heat dissipation COB base plate subassembly.

The purpose of the utility model is realized through the following technical scheme: a COB substrate assembly easy to dissipate heat comprises a substrate body, wherein a positioning groove is formed in the substrate body, an installation blind groove is formed in the positioning groove, a first installation hole is formed in the periphery of the positioning groove of the substrate body, a COB light source assembly is arranged in the installation blind groove, a positioning heat dissipation assembly is arranged at the top of the substrate body, and the COB light source assembly is located at the center of the positioning heat dissipation assembly;

the COB light source assembly comprises a COB light source body, a baffle disc is fixedly connected to the middle of the outer surface of the COB light source body, and heat dissipation holes are formed in the baffle disc;

the positioning heat dissipation assembly comprises an annular heat dissipation disc, a second mounting hole is formed in the annular heat dissipation disc, a fixing bolt is arranged in the second mounting hole, and the fixing bolt penetrates through the first mounting hole.

By adopting the scheme, the COB light source component can be positioned through the positioning heat dissipation component.

Optionally, the internal diameter of constant head tank equals with the diameter that keeps off the dish, the internal diameter of annular heat dissipation dish equals with the diameter of COB light source body, the external diameter of annular heat dissipation dish is greater than the external diameter that keeps off the dish.

By adopting the scheme, the installation is facilitated, and the mutual sliding is avoided.

Optionally, the diameters of the first mounting hole and the second mounting hole are equal, first threads are formed on the inner walls of the first mounting hole and the second mounting hole, second threads are formed on the outer surface of the fixing bolt, and the first threads are matched with the second threads.

By adopting the scheme, the installation is more accurate.

Optionally, the number of the positioning grooves is several.

By adopting the scheme, the positioning grooves are uniformly distributed on the substrate body.

Optionally, the top of the annular heat dissipation disc is fixedly connected with a plurality of heat dissipation fins.

By adopting the scheme, the contact area with air is increased, and heat dissipation is facilitated.

Optionally, the heat dissipation fins are perpendicular to the annular heat dissipation disc.

By adopting the scheme, the number of the heat dissipation fins is a plurality, and the heat dissipation fins are perpendicular to the heat dissipation plate, so that the hot air can move upwards, and the heat dissipation is facilitated.

Optionally, one side of the annular heat dissipation disc is fixedly connected with a heat conduction column, the diameter of the heat conduction column is matched with that of the heat dissipation holes, and the number of the heat conduction column and the number of the heat dissipation holes are equal.

By adopting the scheme, the heat conducting column can conduct heat, and is favorable for heat dissipation.

Optionally, the bottom fixedly connected with radiating ring of COB light source body surface, the through-hole with louvre diameter and position homogeneous phase adaptation is seted up to the inside of radiating ring, the heat conduction post extends to the inside of through-hole, the heat conduction post is adjacent with the inner wall of through-hole.

By adopting the scheme, the heat conduction column is favorable for transferring heat at the bottom of the COB light source component, and heat dissipation is facilitated.

The utility model has the advantages of it is following:

according to the COB substrate assembly easy to dissipate heat, the positioning heat dissipation assembly is arranged on the substrate body, the COB light source assembly can be positioned, the installation stability is good, the heat conduction columns are fixedly connected to one side of the annular heat dissipation disc and are inserted into the heat dissipation holes and correspond to the heat dissipation holes one by one, the rotation of the COB light source assembly can be avoided, and the improvement of the installation stability of the COB light source assembly in the use process is facilitated; through the bottom fixed connection radiating ring at COB light source body surface, the heat conduction post extends to the inside of radiating ring, the other end and the annular heat dissipation dish fixed connection of heat conduction post, the upper surface and the air connection of annular heat dissipation dish are favorable to dispelling the heat to the bottom of COB light source subassembly, and the radiating effect is better, convenient to use, through a plurality of heat dissipation wing of top fixed connection at annular heat dissipation dish, the heat dissipation wing can increase the area of contact with the air, is favorable to dispelling the heat fast.

Drawings

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

fig. 2 is a schematic structural diagram of the positional relationship between the COB light source assembly and the positioning heat dissipation assembly of the present invention;

FIG. 3 is a schematic structural view of the baffle plate of the present invention;

FIG. 4 is a schematic structural view of the installation blind slot of the present invention;

fig. 5 is a schematic structural view of the positioning heat dissipation assembly of the present invention;

fig. 6 is a schematic structural diagram of the COB light source assembly of the present invention.

In the figure: 1-substrate body, 2-positioning groove, 3-installation blind groove, 4-first installation hole, 5-COB light source assembly, 501-COB light source body, 502-baffle disc, 503-heat dissipation hole, 6-positioning heat dissipation assembly, 601-annular heat dissipation disc, 602-second installation hole, 603-fixing bolt, 7-heat dissipation fin, 8-heat conduction column and 9-heat dissipation ring.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 6, the utility model provides an easy-to-radiate COB substrate assembly, which comprises a substrate body 1, wherein a positioning groove 2 is arranged inside the substrate body 1, an installation blind groove 3 is arranged inside the positioning groove 2, a first installation hole 4 is arranged around the positioning groove 2 on the substrate body 1, a COB light source assembly 5 is arranged inside the installation blind groove 3, a positioning radiation assembly 6 is arranged at the top of the substrate body 1, and the COB light source assembly 5 is positioned at the center of the positioning radiation assembly 6;

the COB light source assembly 5 comprises a COB light source body 501, a baffle disc 502 is fixedly connected to the middle of the outer surface of the COB light source body 501, and a heat dissipation hole 503 is formed in the baffle disc 502;

the positioning heat dissipation assembly 6 comprises an annular heat dissipation disc 601, a second mounting hole 602 is formed in the annular heat dissipation disc 601, a fixing bolt 603 is arranged in the second mounting hole 602, and the fixing bolt 603 penetrates through the first mounting hole 4.

As a preferred technical scheme of the utility model, the internal diameter of constant head tank 2 equals with the diameter that keeps off dish 502, and the internal diameter of annular heat dissipation dish 601 equals with COB light source body 501's diameter, and the external diameter of annular heat dissipation dish 601 is greater than the external diameter that keeps off dish 502.

As a preferred technical scheme of the utility model, the diameter of first mounting hole 4 and second mounting hole 602 equals, and first screw thread has been seted up to the inner wall of first mounting hole 4 and second mounting hole 602, and the second screw thread, first screw thread and second screw thread looks adaptation have been seted up to fixing bolt 603's surface.

As an optimized technical scheme of the utility model, the quantity of constant head tank 2 is a plurality of.

As an optimized technical proposal of the utility model, the top of the annular heat dissipation plate 601 is fixedly connected with heat dissipation fins 7, and the number of the heat dissipation fins 7 is a plurality.

As an optimized technical proposal of the utility model, the heat dissipation fins 7 are vertical to the annular heat dissipation disc 601.

As a preferred technical scheme of the utility model, one side fixedly connected with heat conduction post 8 of annular heat dissipation dish 601, the diameter of heat conduction post 8 and louvre 503's diameter looks adaptation, heat conduction post 8 and louvre 503's quantity equals.

As a preferred technical scheme, the bottom fixedly connected with heat dissipation ring 9 of COB light source body 501 surface, the through-hole with louvre 503 diameter and position homogeneous phase adaptation is seted up to the inside of heat dissipation ring 9, and heat conduction post 8 extends to the inside of through-hole, and heat conduction post 8 is adjacent with the inner wall of through-hole.

When the COB light source assembly is used specifically, by improving the traditional COB base plate assembly, the positioning groove 2 and the installation blind groove 3 are arranged on the base plate body 1, the bottom surface of the COB light source assembly 5 is matched with the bottom surface of the installation blind groove 3, one side surface of the baffle disc 502 is matched with one side surface of the positioning groove 2, when the COB light source assembly 5 is placed in the positioning groove 2, the upper surface of the baffle disc 502 is overlapped with the upper surface of the base plate body 1, the installation blind groove 3 is arranged to facilitate the rapid assembly of the COB light source assembly 5, by arranging the positioning heat dissipation assembly 6, the positioning heat dissipation assembly 6 comprises an annular heat dissipation disc 601, a second mounting hole 602 and a fixing bolt 603, the positioning heat dissipation assembly 6 is installed on the base plate body 1, the COB light source assembly 5 can be positioned, the installation stability is good, and specifically, the annular heat dissipation disc 601 is sleeved on the outer surface of the CO, the heat dissipation component 6 is arranged on the substrate body 1 through the fixing bolt 603, so that the loosening of the COB light source component 5 can be avoided, the heat conduction column 8 is fixedly connected to one side of the annular heat dissipation disc 601, the heat conduction column 8 is inserted into the heat dissipation hole 503 and corresponds to the heat dissipation hole 503 one by one, the rotation of the COB light source component 5 can be avoided, the heat conduction column 8 is made of aluminum alloy, the heat dissipation effect is good, the heat conduction and the heat dissipation are facilitated, the heat dissipation ring 9 is fixedly connected to the bottom of the outer surface of the COB light source body 501, the heat conduction column 8 extends into the heat dissipation ring 9, the other end of the heat conduction column 8 is fixedly connected with the annular heat dissipation disc 601, the upper surface of the annular heat dissipation disc 601 is connected with air, the heat dissipation is facilitated for the bottom of the COB 5, the heat dissipation effect is good and convenient to use, the heat dissipation fins 7, is favorable for quick heat dissipation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easy heat dissipation COB base plate subassembly, includes base plate body (1), its characterized in that: the positioning groove (2) is formed in the substrate body (1), the mounting blind groove (3) is formed in the positioning groove (2), the first mounting hole (4) is formed in the periphery of the positioning groove (2) of the substrate body (1), the COB light source assembly (5) is arranged in the mounting blind groove (3), the positioning heat dissipation assembly (6) is arranged at the top of the substrate body (1), and the COB light source assembly (5) is located at the center of the positioning heat dissipation assembly (6);

the COB light source assembly (5) comprises a COB light source body (501), a baffle disc (502) is fixedly connected to the middle of the outer surface of the COB light source body (501), and heat dissipation holes (503) are formed in the baffle disc (502); the positioning heat dissipation assembly (6) comprises an annular heat dissipation disc (601), a second mounting hole (602) is formed in the annular heat dissipation disc (601), a fixing bolt (603) is arranged in the second mounting hole (602), and the fixing bolt (603) penetrates through the first mounting hole (4).

2. The COB substrate assembly easy to dissipate heat of claim 1, wherein: the internal diameter of constant head tank (2) equals with the diameter that keeps off dish (502), the internal diameter of annular heat dissipation dish (601) equals with the diameter of COB light source body (501), the external diameter of annular heat dissipation dish (601) is greater than the external diameter that keeps off dish (502).

3. The COB substrate assembly easy to dissipate heat of claim 1, wherein: the diameters of the first mounting hole (4) and the second mounting hole (602) are equal, first threads are formed in the inner walls of the first mounting hole (4) and the second mounting hole (602), second threads are formed in the outer surface of the fixing bolt (603), and the first threads are matched with the second threads.

4. The COB substrate assembly easy to dissipate heat of claim 1, wherein: the number of the positioning grooves (2) is a plurality.

5. The COB substrate assembly easy to dissipate heat of claim 1, wherein: the top of the annular heat dissipation disc (601) is fixedly connected with heat dissipation fins (7), and the number of the heat dissipation fins (7) is a plurality.

6. The COB substrate assembly easy to dissipate heat of claim 5, wherein: the heat dissipation fins (7) are perpendicular to the annular heat dissipation disc (601).

7. The COB substrate assembly easy to dissipate heat of claim 1, wherein: one side fixedly connected with heat conduction post (8) of annular heat dissipation dish (601), the diameter of heat conduction post (8) and the diameter looks adaptation of louvre (503), heat conduction post (8) and louvre (503) quantity equals.

8. The COB substrate assembly easy to dissipate heat of claim 7, wherein: the bottom fixedly connected with heat dissipation ring (9) of COB light source body (501) surface, the through-hole with louvre (503) diameter and position homogeneous phase adaptation is seted up to the inside of heat dissipation ring (9), heat conduction post (8) extend to the inside of through-hole, heat conduction post (8) are adjacent with the inner wall of through-hole.