CN219775576U - Flexible COB light source - Google Patents
Flexible COB light source Download PDFInfo
- Publication number
- CN219775576U CN219775576U CN202320922699.1U CN202320922699U CN219775576U CN 219775576 U CN219775576 U CN 219775576U CN 202320922699 U CN202320922699 U CN 202320922699U CN 219775576 U CN219775576 U CN 219775576U
- Authority
- CN
- China
- Prior art keywords
- light source
- flexible
- cob light
- heat conduction
- installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a flexible COB light source, which comprises an inner mounting bracket, wherein an outer mounting bracket is fixedly mounted on the curved surface of the inner mounting bracket through a connecting bracket, and a heat-conducting aluminum substrate is movably mounted on the lower surface of the outer mounting bracket through a mounting pin. The flexible COB light source is characterized in that the flexible heat conduction silica gel ring and the flexible heat conduction silica gel sheet are used for conducting heat generated when the flexible COB light source works, so that the heat dissipation performance of the flexible COB light source is improved, the burning damage and light attenuation of the flexible COB light source are reduced, and compared with the traditional installation mode, the installation outer support and the installation inner support are matched with fixing screws, so that the flexible COB light source is more convenient to install and fix, the flexible heat conduction silica gel ring provides wiring gaps for the positive electrode connector and the negative electrode connector, and the problem that the connectors are loosened or fall off due to extrusion during installation is avoided, so that the luminous performance of the flexible COB light source is influenced.
Description
Technical Field
The utility model relates to the field of LED lamps, in particular to a flexible COB light source.
Background
The COB process comprises the steps of firstly covering a silicon chip placement point on the surface of a substrate by using heat-conducting epoxy resin (generally silver-doped particle epoxy resin), then directly placing the silicon chip on the surface of the substrate, heat-treating until the silicon chip is firmly fixed on the substrate, then directly establishing electrical connection between the silicon chip and the substrate by using a wire welding method, COB integrated packaging is a mature LED packaging mode, along with the wide application of LED products in the lighting field, the COB surface light source is one of main products in the packaging industry, the traditional COB light source is matched with heat-conducting silicone grease and a radiating fin through a heat-conducting aluminum substrate to conduct heat dissipation, the curved surface and the upper end of the COB light source are poor in heat derivation, burning or light attenuation can be caused after long-term use, in order to ensure heat dissipation, the heat-conducting silicone grease needs to be firstly placed on the installation bottom surface, the COB light source is fixedly installed through an installation bracket, the installation process is complex, the area of part of the installation base is limited, the installation and the replacement of the COB light source are more difficult, the installation bracket is fixedly installed, the positive joint and the negative joint are easy to squeeze, and the connection is generated, and the connection is loosened or falls off, and the circuit of the COB light source is affected.
Disclosure of Invention
The utility model mainly aims to provide a flexible COB light source which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a flexible COB light source, includes the installation inner support, the curved surface of installation inner support has the installation outer support through linking bridge fixed mounting, the lower surface of installation outer support is through mounting pin movable mounting heat conduction aluminium base board.
Preferably, the flexible heat conduction silica gel ring is fixedly arranged on the inner side of the installation inner support, and the installation clamping groove is formed in the lower surface of the installation inner support.
Preferably, a fixing screw is arranged between the outer mounting bracket and the inner mounting bracket.
Preferably, the lower surface of the heat conduction aluminum substrate is fixedly provided with a flexible heat conduction silica gel sheet, the middle position of the upper surface of the heat conduction aluminum substrate is fixedly provided with a flexible COB light source, the upper surface of the heat conduction aluminum substrate is fixedly provided with a positive electrode joint near one side edge position, and the upper surface of the heat conduction aluminum substrate is fixedly provided with a negative electrode joint near the other side edge position.
Preferably, the number of the mounting pins is three, and a limiting snap ring is fixedly arranged on the upper surface of the mounting pin.
Preferably, the number of the fixing screws is four, and the fixing screws are correspondingly arranged with screw holes corresponding to the installation positions.
Preferably, the mounting pin is mounted corresponding to the mounting slot.
Compared with the prior art, the utility model has the following beneficial effects: the flexible COB light source, the heat-conducting aluminum substrate and the installation inner support are pre-installed through the installation pin, the fixing screws are matched with the fixing base surface for fixing installation, the installation process is simple and rapid, especially when the fixing base surface with limited area is installed, the operation in a narrow space is reduced, the installation and replacement of the COB light source are more convenient, the heat conducting area is increased through the flexible heat-conducting silica gel sheet, the aluminum substrate and the flexible heat-conducting silica gel ring, more heat is conducted to the radiating fin, the radiating effect is improved, the damage and light attenuation condition of the COB light source are reduced, the gap between the heat-conducting aluminum substrate and the installation inner support is reserved through the flexible heat-conducting silica gel ring, the stress condition of the positive electrode joint and the negative electrode joint is reduced, the joint looseness and falling off during installation and use are avoided, and the normal operation of the COB light source is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of a flexible COB light source according to the present utility model;
FIG. 2 is an expanded schematic view of the overall structure of a flexible COB light source according to the present utility model;
FIG. 3 is a side view of a flexible COB light source of the present utility model;
fig. 4 is a bottom cross-sectional view of a flexible COB light source of the utility model.
In the figure: 1. installing an inner bracket; 101. a flexible thermally conductive silicone ring; 102. installing a clamping groove; 2. installing an outer bracket; 201. a connecting bracket; 202. a set screw; 3. a thermally conductive aluminum substrate; 301. a flexible thermally conductive silicone sheet; 302. a flexible COB light source; 303. a positive electrode joint; 304. a negative electrode joint; 4. a mounting pin; 401. and a limiting snap ring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a flexible COB light source comprises an inner mounting bracket 1, wherein an outer mounting bracket 2 is fixedly mounted on a curved surface of the inner mounting bracket 1 through a connecting bracket 201, and a heat conducting aluminum substrate 3 is movably mounted on the lower surface of the outer mounting bracket 2 through a mounting pin 4.
The flexible heat conduction silica gel ring 101 is fixedly mounted on the inner side of the installation inner support 1, the flexible heat conduction silica gel ring 101 plays a role in increasing the heat conduction area for the flexible COB light source 302, the flexible heat conduction silica gel ring 101 plays a limiting role for the heat conduction aluminum substrate 3, the installation clamping groove 102 is formed in the lower surface of the installation inner support 1, the fixing screws 202 are arranged between the installation outer support 2 and the installation inner support 1, the flexible heat conduction silica gel piece 301 is fixedly mounted on the lower surface of the heat conduction aluminum substrate 3, the flexible COB light source 302 is fixedly mounted in the middle of the upper surface of the heat conduction aluminum substrate 3, the cathode connector 303 is fixedly mounted on the upper surface of the heat conduction aluminum substrate 3 close to one side edge, the cathode connector 304 is fixedly mounted on the upper surface of the heat conduction aluminum substrate 3 close to the other side edge, the limit clamping rings 401 are fixedly mounted on the upper surface of the mounting pins 4, the limit clamping rings 401 limit the mounting pins 4 and the installation clamping grooves 102, the fixing screws 202 are four in total, the fixing screws 202 are correspondingly mounted on the screw holes corresponding to the mounting positions, and the mounting pins 4 correspond to the installation clamping grooves 102.
It should be noted that, in the flexible COB light source of the present utility model, during installation, the circuit is welded correspondingly to the positive electrode connector 303 and the negative electrode connector 304, then the installation pin 4 is installed correspondingly to the installation slot 102, after the limit snap ring 401 is used for limiting, the heat conducting aluminum substrate 2, the flexible COB light source 302, the installation inner support 1 and the flexible heat conducting silica gel ring 101 are pre-installed successfully, the fixing screw 202 is installed on the fixing base surface through the space between the installation outer support 2 and the installation inner support 1, during screwing, the installation inner support 1 presses down the heat conducting aluminum substrate 3 through the flexible heat conducting silica gel ring 101 and the installation pin 4, the flexible heat conducting silica gel sheet 301 deforms and is tightly connected with the radiating fins, the flexible heat conducting silica gel ring 101 limits the heat conducting aluminum substrate 3 and the installation inner support 1, and a space is reserved for the connector circuit, during use, heat generated at the bottom of the flexible COB light source 302 is conducted to the radiating fins through the heat conducting aluminum substrate 3 and the flexible heat conducting silica gel ring 301, and heat generated on the curved surface of the flexible COB light source 302 is conducted to the heat conducting aluminum substrate 3 to the radiating fins.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A flexible COB light source, characterized in that: the heat conduction aluminum substrate mounting device comprises an inner mounting support (1), wherein an outer mounting support (2) is fixedly mounted on a curved surface of the inner mounting support (1) through a connecting support (201), and a heat conduction aluminum substrate (3) is movably mounted on the lower surface of the outer mounting support (2) through a mounting pin (4).
2. The flexible COB light source of claim 1, wherein: the flexible heat conduction silica gel ring (101) is fixedly arranged on the inner side of the installation inner support (1), and the installation clamping groove (102) is formed in the lower surface of the installation inner support (1).
3. The flexible COB light source of claim 2, wherein: and a fixing screw (202) is arranged between the outer mounting bracket (2) and the inner mounting bracket (1).
4. A flexible COB light source as claimed in claim 3, wherein: the flexible heat conduction silicon wafer (301) is fixedly mounted on the lower surface of the heat conduction aluminum substrate (3), a flexible COB light source (302) is fixedly mounted in the middle of the upper surface of the heat conduction aluminum substrate (3), a positive electrode connector (303) is fixedly mounted on the upper surface of the heat conduction aluminum substrate (3) close to one side edge, and a negative electrode connector (304) is fixedly mounted on the upper surface of the heat conduction aluminum substrate (3) close to the other side edge.
5. The flexible COB light source of claim 4, wherein: the number of the mounting pins (4) is three, and a limiting snap ring (401) is fixedly arranged on the upper surface of the mounting pins (4).
6. The flexible COB light source of claim 5, wherein: the number of the fixing screws (202) is four, and the fixing screws (202) are correspondingly arranged with screw holes corresponding to the installation positions.
7. The flexible COB light source of claim 6, wherein: the mounting pin (4) is correspondingly mounted with the mounting clamping groove (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320922699.1U CN219775576U (en) | 2023-08-01 | 2023-08-01 | Flexible COB light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320922699.1U CN219775576U (en) | 2023-08-01 | 2023-08-01 | Flexible COB light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219775576U true CN219775576U (en) | 2023-09-29 |
Family
ID=88134939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320922699.1U Active CN219775576U (en) | 2023-08-01 | 2023-08-01 | Flexible COB light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219775576U (en) |
-
2023
- 2023-08-01 CN CN202320922699.1U patent/CN219775576U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |