CN212908509U

CN212908509U - Split type floodlight module

Info

Publication number: CN212908509U
Application number: CN202021998959.6U
Authority: CN
Inventors: 陈鹏; 王成
Original assignee: Nanjing Hangyu Intelligent Technology Co ltd
Current assignee: Nanjing Hangyu Intelligent Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-06
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a split type floodlight module, including base plate, light source, diffuser plate mount pad and diffuser plate, the diffuser plate mount pad is installed on the installation face of base plate, and inside the light source was installed on the installation face of base plate and was located the diffuser plate mount pad, was provided with the diffuser plate mount table on the diffuser plate mount pad, and the diffuser plate is attached on the diffuser plate mount table. This split type floodlight mould assembly time spent can carry out relative position and depth of parallelism adjustment with pasting the diffuser plate mount pad and the light source of piece in a flexible way, improves the yields, with aluminium base board, polytetrafluoroethylene mount pad, heat resistance, heat dispersion are good, and split type group structure can effectively save space, is convenient for integrate.

Description

Split type floodlight module

Technical Field

The utility model relates to a floodlight module, more specifically relates to a split type floodlight module.

Background

The VCSEL is a semi-semiconductor laser with a novel structure which emits laser perpendicular to a substrate surface, has a small original field divergence angle, emits a narrow and round light beam, is small in size, is easy to realize large-scale array and photoelectric integration, and can be applied to the fields of 3D imaging, face recognition, distance measurement and the like. The existing VCSEL floodlight module is an integrally formed packaging shell, a VCSEL (vertical cavity surface emitting laser) is arranged inside the packaging shell, and then a diffusion sheet is arranged, so that the structure is easy to package, but the relative positions and relative inclination angles of the diffusion sheet and the VCSEL are easy to deviate, and meanwhile, the packaging shell is integrally formed, so that the problems of difficulty in heat dissipation and no high temperature resistance are also caused.

Disclosure of Invention

Utility model purpose: the utility model aims at providing an easily adjust diffusion piece and light source relative position, radiating effect good, the split type floodlight module of high temperature resistance.

The technical scheme is as follows: a split type floodlight module, including base plate, light source, diffuser plate mount pad, diffuser plate, the anodal and the pad negative pole of pad, the diffuser plate mount pad is installed on the installation face of base plate, and the anodal and the pad negative pole of pad are installed on the installation face of base plate and are located inside the diffuser plate mount pad, and the light source welding is on the pad negative pole to be connected with pad positive circuit, be provided with the diffuser plate mount table on the diffuser plate mount pad, the diffuser plate is attached on the diffuser plate mount table.

The vertical distance between the diffusion plate and the light source is 0.8 +/-0.05 mm, the parallelism is less than 25 microns, errors in the X-axis direction and the Y-axis direction are less than +/-25 microns, the light source is a VCSEL array of a vertical cavity surface emitting laser, the substrate is 3-3.5 mm multiplied by 2mm multiplied by 0.1-0.5 mm, the distance between a diffusion plate mounting table of the diffusion plate mounting seat and the light source is 0.4-1 mm, the light source is a light source with the wavelength of 650nm, 808nm, 850nm, 940nm or 980nm, the thickness of the diffusion plate is 0.3-0.4 mm, air escaping holes are formed in the side edge of the diffusion plate mounting seat, gas in the glue curing process can be conveniently discharged after packaging, the diffusion plate mounting table on the diffusion plate mounting seat is a groove with the same size of the diffusion plate, the diffusion plate can be conveniently attached, the substrate is an aluminum alloy substrate and can diffuse heat, the diffusion plate mounting seat is made of.

Has the advantages that: compared with the prior art, the utility model, its advantage is: 1. during assembly, the diffuser plate mounting seat with the attached diffuser plate and the light source can be flexibly adjusted in relative position and parallelism, and the yield is improved; 2. the aluminum substrate and the polytetrafluoroethylene mounting seat are adopted, so that the heat resistance and the heat dissipation performance are good; 3. the split type module structure can effectively save space and is convenient to integrate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, the split-type floodlight module comprises a substrate 1 made of aluminum alloy, a light source 2, a diffusion plate mounting seat 3 made of polytetrafluoroethylene, a diffusion plate 4 made of acrylic material, a pad anode 8 and a pad cathode 9, wherein the diffusion plate mounting seat 3 is mounted on a mounting surface 7 of the substrate 1, the substrate 1 is 3.2mm × 2mm × 0.2mm, the pad anode 8 and the pad cathode 9 are mounted on the mounting surface 7 of the substrate 1 and located inside the diffusion plate mounting seat 3, the light source 2 is welded on the pad cathode 9 and is electrically connected with the pad anode 8, the light source 2 is a VCSEL array with a wavelength of 940nm, the diffusion plate 4 is 0.4mm thick, 1.95mm long and 1.95mm wide, a concave diffusion plate mounting table 6 with the same size as the diffusion plate 4 is arranged on the diffusion plate mounting table 3, the diffusion plate mounting table 6 is attached on the diffusion plate mounting table 6, the diffusion plate mounting table 6 is 0.8mm away from the light source, and air escape holes 5 are formed in the sides of the diffuser plate mounting seat 3.

When the split type floodlight module is assembled, firstly welding a bonding pad anode 8 and a bonding pad cathode 9 at corresponding positions of an installation surface 7, then attaching a VCSEL array of a vertical cavity surface emitting laser on the bonding pad cathode 9 through a chip attaching machine to obtain an aluminum substrate semi-finished product, controlling the attaching precision to ensure that the error in the directions of an x axis and a y axis does not exceed +/-25 mu m, controlling the error of a rotating angle to be +/-0.5 degrees or less and ensuring that the parallelism is less than 25 mu m, then communicating the VCSEL array bonding pad of the vertical cavity surface emitting laser with the bonding pad anode 8 and the bonding pad cathode 9 through a wire binding machine, attaching a diffusion plate 4 on a diffusion plate installation table 6 through a glass attaching machine to obtain a base semi-finished product, then combining the base semi-finished product with the aluminum substrate semi-finished product through a base carrying machine, simultaneously identifying the positions of a light source 2 and the diffusion plate 4 through a lens carrying, And the error in the y-axis direction is not more than +/-30 microns, the rotating angle is within +/-0.5 degrees, the inclination is less than 30 microns, and then the air escape hole 5 is sealed by glue to obtain the VCSEL floodlight module of the split type vertical cavity surface emitting laser.

Claims

1. The utility model provides a split type floodlight module, its characterized in that, includes base plate (1), light source (2), diffuser plate mount pad (3), diffuser plate (4), positive (8) of pad and pad negative pole (9), install on the installation face (7) of base plate (1) diffuser plate mount pad (3), positive (8) of pad and pad negative pole (9) are installed on installation face (7) of base plate (1) and are located diffuser plate mount pad (3) inside, light source (2) paste on pad negative pole (9) to with positive (8) circuit connection of pad, be provided with diffuser plate mount table (6) on diffuser plate mount pad (3), diffuser plate (4) are attached on diffuser plate mount table (6).

2. A split-type luminaire module as claimed in claim 1, wherein the diffuser plate (4) is spaced from the light source (2) by a vertical distance of 0.8 ± 0.05mm, the parallelism is < 25 μm, and the errors in the directions of the X and Y axes are less than ± 25 μm.

3. A split luminaire module as claimed in claim 1, wherein the light source (2) is a VCSEL array.

4. A split-type floodlight module according to claim 3, wherein the base plate (1) is 3-3.5 mm x 2mm x 0.1-0.5 mm, and the diffuser plate mounting stand (6) of the diffuser plate mounting base (3) is 0.4-1 mm from the light source.

5. A split luminaire module as claimed in claim 1 or 3, wherein the light source (2) is a 650nm, 808nm, 850nm, 940nm or 980nm wavelength light source.

6. A split-type floodlight module according to claim 1, wherein the diffuser plate (4) has a thickness of 0.3-0.4 mm.

7. A split luminaire module as claimed in claim 1, wherein the diffuser plate mounting socket (3) is flanked by air escape apertures (5).

8. A split luminaire module as claimed in claim 1, wherein the diffuser plate mounting block (6) on the diffuser plate mounting socket (3) is a recess of uniform diffuser plate (4) size.

9. A split luminaire module as claimed in claim 1, wherein the base plate (1) is an aluminium alloy base plate.

10. A split luminaire module as claimed in claim 1, in which the diffuser plate mounting socket (3) is of teflon material.