CN215320683U

CN215320683U - 3D prints UV light source module

Info

Publication number: CN215320683U
Application number: CN202121296426.8U
Authority: CN
Inventors: 魏峰; 刘克义
Original assignee: Shenzhen Development Photoelectric Co ltd
Current assignee: Shenzhen Development Photoelectric Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-28
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a 3D printing UV light source module, which belongs to the field of light source modules and comprises a light-emitting surface collimating lens group, a fixed support and a lamp panel, wherein the light-emitting surface collimating lens group, the fixed support and the lamp panel are arranged from top to bottom; a refraction cavity is formed in the fixed support, a plurality of UV lamp beads distributed in an array are arranged on the top end face of the lamp panel, and the light-emitting surface collimating lens group comprises a plurality of area lenses distributed in an array; every regional lens form the unit face of light source with the UV lamp pearl that its below corresponds, and the light of UV lamp pearl gets into regional lens through the refraction of refraction cavity, still includes the power, the lamp plate passes through the top face of circuit group integration at the power, and the power is connected with UV lamp pearl electricity on the lamp plate. The light-emitting surface collimating lens group, the fixed support, the lamp panel and the power supply are integrated components. The utility model can optimize the light uniformity, reduce the light spot grid, and reduce the cost.

Description

3D prints UV light source module

Technical Field

The utility model relates to a light source module, in particular to a 3D printing UV light source module.

Background

In the current photo-curing 3D printer technology, the sensitivity of the photosensitive material, which is a required modeling consumable, to ultraviolet light and the ability of absorbing and converting the effect affect the 3D printing efficiency and the molding effect.

The existing photocuring 3D printer technology mainly has the following problems: the light spot has obvious grid, the price is high, and the popularization of the product is not facilitated, so that the economic efficiency is realized. Therefore, the person skilled in the art provides a 3D printing UV light source module to solve the problems mentioned in the above background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 3D printing UV light source module which can optimize light uniformity, reduce light spot grid and reduce cost so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

A3D printing UV light source module comprises a light emitting surface collimating lens group, a fixed support and a lamp panel, wherein the light emitting surface collimating lens group, the fixed support and the lamp panel are arranged from top to bottom; a refraction cavity is formed in the fixed support, a plurality of UV lamp beads distributed in an array are arranged on the top end face of the lamp panel, and the light-emitting surface collimating lens group comprises a plurality of area lenses distributed in an array; each zone lens and the corresponding UV lamp bead below the zone lens form a light source unit surface, and light rays of the UV lamp beads enter the zone lens through refraction of the refraction cavity.

The existing light source module support structure is adjusted, fuzzy wide gridding light spots are effectively weakened in a large range, and even the light spots are gradually hidden to be absent.

As a still further scheme of the utility model: and four UV lamp beads are correspondingly arranged below the area lens of the unit surface of the light source. Under the condition that the area of the lens is not changed, light is supplemented mutually through the four light sources, and the light-emitting area is increased.

As a still further scheme of the utility model: the lower part of the area lens of the light source unit surface corresponds to one UV lamp bead, and the UV lamp bead is positioned at the focus position of the area lens.

As a still further scheme of the utility model: still include the power, the lamp plate passes through the top face of circuit group integrated at the power, and the power is connected with UV lamp pearl electricity on the lamp plate.

As a still further scheme of the utility model: the light-emitting surface collimating lens group, the fixed support, the lamp panel and the power supply are integrated components.

As a still further scheme of the utility model: light emitting surface collimating lens group, fixed bolster, lamp plate, power are fixed as an organic whole with the nut runs through the formula completely.

As a still further scheme of the utility model: the fixed bolster covers directly over the lamp plate and is identical with the lamp plate.

As a still further scheme of the utility model: the light-emitting surface collimating lens group is fixed with the fixed support through gluing.

Compared with the prior art, the utility model has the beneficial effects that:

1. the light source module structure is adjusted, so that the light source module has higher light uniformity. The utility model effectively improves the light uniformity by more than 10 percent, has excellent uniformity, high efficiency and high performance, greatly weakens the gridded light spots existing on the illumination surface, greatly improves the continuity, the integrity, the brightness, the definition and the like of the whole illumination surface, and ensures that the light-cured 3D printing model is more exquisite, more efficient and faster.

2. The utility model has higher reliability, uses dispersed low-power light sources, has more dispersed heat productivity in a unit light source, reduces the highest junction temperature of a chip by more than 20 degrees, and prolongs the service life of a product.

3. The cost is low, the existing scheme is to place a 3W light source for each unit, the utility model adopts a mode of 4 one W, the heat productivity of the single light source is concentrated, the packaging structure adopts the packaging of ceramics and glass for the bearing capacity of the heat, the cost of each light source is about 10 times higher than that of the single 1W light source, so the cost of the single light source adopting 4 1W is reduced by more than one time than that of the existing light source.

Drawings

Fig. 1 is a schematic structural diagram of a light source module according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of light emission in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a light source module according to a second embodiment of the present application;

fig. 4 is a schematic diagram of light emission in the second embodiment of the present application.

In the figure: 1. a light emitting surface collimating lens group; 2. fixing a bracket; 3. a lamp panel; 4. a power source.

Detailed Description

The 3D that this application embodiment provided prints UV light source module is through adjusting current light source module structure, has solved obvious, the high technical problem of price of facula field word check, has realized optimizing the light degree of consistency, has reduced facula field word check, reduce cost's technological effect.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example one

Referring to fig. 1-2, in an embodiment of the utility model, a 3D printing UV light source module includes a light emitting surface collimating lens set 1, a fixing bracket 2 and a lamp panel 3, which are arranged from top to bottom; a refraction cavity is formed in the fixed support 2, a plurality of UV lamp beads distributed in an array are arranged on the top end face of the lamp panel 3, and the light-emitting surface collimating lens group 1 comprises a plurality of area lenses distributed in an array; each zone lens and the corresponding UV lamp bead below the zone lens form a light source unit surface, and light rays of the UV lamp beads enter the zone lens through refraction of the refraction cavity. The existing light source module support structure is adjusted, fuzzy wide gridding light spots are effectively weakened in a large range, and even the light spots are gradually hidden to be absent.

In this embodiment: and four UV lamp beads are correspondingly arranged below the area lens of the unit surface of the light source. Under the condition that the area of the lens is not changed, light is supplemented mutually through the four light sources, and the light-emitting area is increased. In the existing scheme, a 3W light source is placed in each unit, and the luminous intensity of the generated light source is about 20% higher by adopting a four-W modeThe light source changes from one unit surface to four unit surfaces, so that the heat is more dispersed, and the reliability of the product is better. Meanwhile, the structure of the existing light source module bracket is adjusted, and finally, the luminous effect, namely the luminous intensity of the light source module is 110mW/cm²In addition, under the condition that the light is supplemented by the four light sources, the light emitting area is increased, and the lens area is not changed, the fuzzy wide gridded light spots are effectively weakened in a large range, and even the light spots are gradually hidden until the light spots do not appear.

In this embodiment: still include power 4, lamp plate 3 passes through circuit group integrated at power 4's top face, and power 4 is connected with UV lamp pearl electricity on the lamp plate 3. The power 4 supplies power for the UV lamp bead on the lamp plate 3, and the UV lamp bead on the lamp plate 3 is electrified to emit light.

In this embodiment: the light-emitting surface collimating lens group 1, the fixed support 2, the lamp panel 3 and the power supply 4 are integrated components. The arrangement ensures the stability and reliability of the light source module.

In this embodiment: the light-emitting surface collimating lens group 1, the fixed support 2, the lamp panel 3 and the power supply 4 are fixed into a whole in a nut completely penetrating mode. The light source module is convenient to mount or dismount.

In this embodiment: the fixed support 2 covers over the lamp panel 3 and is matched with the lamp panel 3. This setting guarantees that lamp plate 3 can not expose impaired.

In this embodiment: the light-emitting surface collimating lens group 1 and the fixed support 2 are fixed by gluing.

Example two

Referring to fig. 3 and fig. 4, the difference between the second embodiment and the first embodiment of the present application is:

the lower part of the area lens of the light source unit surface corresponds to one UV lamp bead, and the UV lamp bead is positioned at the focus position of the area lens.

The working principle of the utility model is as follows: when the LED lamp is used, firstly, the light-emitting surface collimating lens group 1, the fixed support 2, the lamp panel 3 and the power supply 4 are assembled. Then, power 4 supplies power for lamp plate 3, and the UV lamp pearl on the lamp plate 3 is luminous, and after the multi-direction light that the UV lamp pearl sent was gone and is refracted many times through the inside certain stroke of the refraction cavity of fixed bolster 2, multi-direction light then enters into light emitting surface collimating lens group 1 inside and is rectified in succession. Finally, the high-energy parallel light beams are emitted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A3D printing UV light source module is characterized by comprising a light emitting surface collimating lens group, a fixed support and a lamp panel, wherein the light emitting surface collimating lens group, the fixed support and the lamp panel are arranged from top to bottom;

a refraction cavity is formed in the fixed support, a plurality of UV lamp beads distributed in an array are arranged on the top end face of the lamp panel, and the light-emitting surface collimating lens group comprises a plurality of area lenses distributed in an array;

each zone lens and the corresponding UV lamp bead below the zone lens form a light source unit surface, and light rays of the UV lamp beads enter the zone lens through refraction of the refraction cavity.

2. The UV light source module for 3D printing according to claim 1, wherein four UV light beads are arranged below the area lens of the light source unit surface.

3. The UV light source module for 3D printing according to claim 1, wherein a UV lamp bead is corresponding to a position below a zone lens of the light source unit surface, and the UV lamp bead is located at a focal position of the zone lens.

4. The 3D prints UV light source module of claim 1, characterized in that, still includes the power, the lamp plate passes through the top terminal surface of circuit group integration at the power, and the power is connected with UV lamp pearl electricity on the lamp plate.

5. The UV light source module for 3D printing according to claim 4, wherein the light emitting surface collimating lens group, the fixing bracket, the lamp panel and the power supply are integrated.

6. The UV light source module for 3D printing according to claim 5, wherein the light emitting surface collimating lens group, the fixing bracket, the lamp panel and the power supply are fixed into a whole in a nut penetrating manner.

7. The UV light source module for 3D printing according to claim 1, wherein the fixing bracket covers over the lamp panel and is matched with the lamp panel.

8. The 3D printing UV light source module according to claim 1, wherein the light emitting surface collimating lens group is fixed to the fixing support through gluing.