阅读说明：本技术 一种紫外led平行光光学装置 (Ultraviolet LED parallel light optical device ) 是由 郭东栋 郑佳艺 于 2020-12-22 设计创作，主要内容包括：本发明提供一种紫外LED平行光光学装置,包括：紫外LED光源模组、平面反射镜和曲面反射镜；其中,所述紫外LED光源模组主光轴与所述平面反射镜呈一夹角,所述紫外LED光源模组的发光面在所述平面反射镜的镜像与所述曲面反射镜焦平面重合；所述平面反射镜,用于接收所述紫外LED光源模组发出的光束,并将所述光束反射至所述曲面反射镜；所述曲面反射镜,用于接收所述平面反射镜发射的光束,并输出平行光。本发明使平面反射镜设置一定程度的倾斜,从而将模组光束反射至曲面反射镜中,曲面反射镜也设置一定程度的倾斜,以便将平面反射镜反射来的光线反射至出光口,通过整体设计使得系统的总体输出效率更优。(The invention provides an ultraviolet LED parallel light optical device, comprising: the device comprises an ultraviolet LED light source module, a plane reflector and a curved reflector; an included angle is formed between a main optical axis of the ultraviolet LED light source module and the plane reflector, and a light emitting surface of the ultraviolet LED light source module is superposed with a focal plane of the curved reflector on a mirror image of the plane reflector; the plane reflector is used for receiving the light beam emitted by the ultraviolet LED light source module and reflecting the light beam to the curved reflector; the curved surface reflector is used for receiving the light beam emitted by the plane reflector and outputting parallel light. The invention enables the plane reflector to be inclined to a certain degree, so that the module light beam is reflected to the curved surface reflector, the curved surface reflector is also inclined to a certain degree, so that the light reflected by the plane reflector is reflected to the light outlet, and the overall output efficiency of the system is better through the integral design.)

1. An ultraviolet LED parallel light optical device, comprising: the device comprises an ultraviolet LED light source module, a plane reflector and a curved reflector; wherein the content of the first and second substances,

the main optical axis of the ultraviolet LED light source module and the plane reflector form an included angle, and the light-emitting surface of the ultraviolet LED light source module is superposed with the focal plane of the curved reflector on the mirror image of the plane reflector;

the plane reflector is used for receiving the light beam emitted by the ultraviolet LED light source module and reflecting the light beam to the curved reflector;

the curved surface reflector is used for receiving the light beam emitted by the plane reflector and outputting parallel light.

2. The UV LED parallel light optical device of claim 1, wherein the UV LED light source module is a light source with a angle of less than 60 degrees.

3. The ultraviolet LED parallel light optical device according to claim 1, further comprising a lens disposed on a light emitting surface of an LED lamp of the ultraviolet LED light source module, so that a beam angle of the ultraviolet LED light source module is smaller than 60 degrees.

4. The ultraviolet LED parallel light optical device according to claim 1, wherein the curved reflector forms an included angle with a main optical axis of the ultraviolet LED light source module.

5. The uv LED parallelizing optical apparatus of claim 1, wherein the curved reflector is parabolic.

6. The ultraviolet LED parallel light optical device according to claim 1, further comprising a box, wherein the ultraviolet LED light source module, the plane reflector and the curved reflector are disposed in the box, and a light outlet is disposed on a surface of the box in a light outlet direction of the curved reflector to output parallel light.

7. The ultraviolet LED parallel light optical device according to claim 6, wherein the box body further comprises a switch and a socket, and the switch and the socket are arranged on any surface of the box body and electrically connected with the ultraviolet LED light source module.

Technical Field

The invention relates to the field of optics, in particular to an ultraviolet LED parallel light optical device.

Background

In present PCB circuit processing, the wide application is to ultraviolet exposure machine, and the exposure machine is the core equipment of production large-scale integrated circuit, and the output beam quality of exposure machine is very important, and along with the design fineness of circuit board is higher and higher, and is very little to the beam angle requirement of exposure machine, nearly parallel light. In the prior art, a surface light source is formed by an LED array, and a lens is added in front of each LED for light distribution. The lenses are added on the LEDs one by one, so that practical operation is difficult, and a certain distance needs to be reserved between the LEDs due to the fact that the lenses have certain sizes, so that light rays emitted by an array formed by the LEDs are not well mixed, and light distribution obtained on a receiving surface is not uniform.

Disclosure of Invention

The invention aims to provide an ultraviolet LED parallel light optical device to solve the existing problems.

In order to achieve the above object, an embodiment of the present invention provides an ultraviolet LED parallel light optical device, including: the device comprises an ultraviolet LED light source module, a plane reflector and a curved reflector; wherein the content of the first and second substances,

the main optical axis of the ultraviolet LED light source module and the plane reflector form an included angle, and the light-emitting surface of the ultraviolet LED light source module is superposed with the focal plane of the curved reflector on the mirror image of the plane reflector;

the plane reflector is used for receiving the light beam emitted by the ultraviolet LED light source module and reflecting the light beam to the curved reflector;

the curved surface reflector is used for receiving the light beam emitted by the plane reflector and outputting parallel light.

Further, the ultraviolet LED light source module is a light source with the angle less than 60 degrees.

Further, the LED lamp with the ultraviolet LED light source module comprises a lens, wherein the lens is arranged on the light emitting surface of the LED lamp of the ultraviolet LED light source module, so that the beam angle of the ultraviolet LED light source module is smaller than 60 degrees.

Furthermore, an included angle is formed between the curved surface reflector and the main optical axis of the ultraviolet LED light source module.

Further, the curved reflector is parabolic.

Further, still include the box, ultraviolet LED light source module, plane reflector and curved surface speculum set up in the box surface of curved surface speculum light-emitting direction sets up a light-emitting hole to output parallel light.

Furthermore, the box body further comprises a switch and a socket, wherein the switch and the socket are arranged on any surface of the box body and are electrically connected with the ultraviolet LED light source module.

The invention has the beneficial technical effects that:

the invention provides an ultraviolet LED parallel light optical device, which comprises: the device comprises an ultraviolet LED light source module, a plane reflector and a curved reflector; an included angle is formed between a main optical axis of the ultraviolet LED light source module and the plane reflector, and a light emitting surface of the ultraviolet LED light source module is superposed with a focal plane of the curved reflector on a mirror image of the plane reflector; the plane reflector is used for receiving the light beam emitted by the ultraviolet LED light source module and reflecting the light beam to the curved reflector; the curved surface reflector is used for receiving the light beam emitted by the plane reflector and outputting parallel light. Each component of rational arrangement, the plane mirror sets up the slope of certain degree to with module light beam reflection to the curved surface mirror in, the curved surface mirror also sets up the slope of certain degree, so that the light reflection that the plane mirror reflected comes to the light-emitting window, change the light path through the plane mirror and can avoid sheltering from, make the total output efficiency of system more excellent, carry out the plastic through the curved surface mirror to the light beam simultaneously, obtain the output of approximate parallel light.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an ultraviolet LED parallel light optical device according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a housing of an ultraviolet LED parallel light optical device according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of an ultraviolet LED parallel light optical device according to an embodiment of the present invention.

Fig. 4 is a schematic view of another angle of the housing of the ultraviolet LED parallel light optical device according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

An embodiment of the present invention provides an ultraviolet LED parallel light optical device, and with reference to fig. 1, the ultraviolet LED parallel light optical device includes: the device comprises an ultraviolet LED light source module 1, a plane reflector 2 and a curved reflector 3; wherein the content of the first and second substances,

the main optical axis of the ultraviolet LED light source module 1 and the plane reflector 2 form an included angle, and the light-emitting surface of the ultraviolet LED light source module is superposed with the focal plane of the curved reflector 3 in the mirror image of the plane reflector 2;

the plane reflector 2 is used for receiving the light beam emitted by the ultraviolet LED light source module 1 and reflecting the light beam to the curved reflector 3;

and the curved reflector 3 is used for receiving the light beam emitted by the plane reflector 2 and outputting parallel light.

In this embodiment, the ultraviolet LED light source module 1 may adopt an ultraviolet LED with a small light emitting angle or distribute light to an LED with a large light emitting angle to reduce the light emitting angle, for example, the ultraviolet LED light source module 1 may select a light source with a light emitting angle smaller than 60 degrees, or the ultraviolet LED light source module 1 may select a light source with a light emitting angle larger than 120 degrees, and then a lens is added in front of the LED to make the beam angle smaller than 60 degrees, and the ultraviolet LED light source module 1 may select an LED array with a surface distribution. It should be noted that the ultraviolet LED light source module 1 may also be other arrays, and these schemes are all within the scope of the present invention.

In this embodiment, the plane mirror 2 is used for receiving the light beam emitted by the light source module, and the plane mirror 2 is set to a certain inclination angle, and according to the reflection law, the plane mirror 2 reflects the light beam to the curved surface mirror 3. The plane mirror 2 is used as an optical element and is used for changing the light beam path through reflection, and the embodiment adopts the plane mirror 2 for changing the light beam path, so that the shielding can be avoided, a larger receiving surface is obtained to receive the parallel light, and the utilization efficiency is improved.

In the present embodiment, the curved surface reflector 3 is used for receiving the light beam reflected by the plane reflector 2, and the curved surface reflector 3 is set to be a curved surface with suitable position and parameters to shape the light beam so as to output the light beam of the approximately parallel light after shaping, for example, the curved surface reflector 3 can be a paraboloid-shaped surface reflector 3, which is easy to process, and does not need high precision. The mirror image of the light emitting surface of the ultraviolet LED light source module 1 on the plane reflector 2 is coincided with the focal plane of the paraboloid, and meanwhile, the paraboloid adjusts a deflection angle according to the requirement of the reflection direction so as to output parallel light.

The present embodiment provides an ultraviolet LED parallel light optical device, including: the device comprises an ultraviolet LED light source module 1, a plane reflector 2 and a curved reflector 3; an included angle is formed between a main optical axis of the ultraviolet LED light source module 1 and the plane reflector 2, and a mirror image of a light emitting surface of the ultraviolet LED light source module 1 on the plane reflector 2 is superposed with a focal plane of the curved reflector 3; the plane reflector 2 is used for receiving the light beam emitted by the ultraviolet LED light source module 1 and reflecting the light beam to the curved reflector 3; and the curved reflector 3 is used for receiving the light beam emitted by the plane reflector 2 and outputting parallel light. Each component of rational arrangement, plane reflector 2 sets up the slope of certain degree, thereby the light beam reflection that sends ultraviolet LED light source module 1 is to curved surface reflector 3 in, curved surface reflector 3 also sets up the slope of certain degree, so that the light reflection that level crossing reflector 2 reflects comes to the light-emitting window, plane reflector 2 changes the light path and can avoid sheltering from, whole device changes the light path earlier through plane reflector 2 and joins in marriage curved surface mirror 3 again and comes the plastic, carry out the plastic to the light beam through curved surface reflector 3 simultaneously, obtain the output of approximate parallel light, the global design through each part makes the total output efficiency of system more excellent.

Preferably, still include box 4, refer to fig. 2-4, ultraviolet LED light source module 1, plane reflector 2 and curved surface reflector 3 set up in box 4, curved surface reflector light-emitting direction's box surface sets up a light-emitting hole 5 to output parallel light. The box body further comprises a switch 6 and a socket 7, wherein the switch 6 and the socket 7 are arranged on any surface of the box body 4 and electrically connected with the ultraviolet LED light source module 1.

In this embodiment, the switch 6 is used to control the disconnection of the ultraviolet LED light source module 1, and the socket 7 is connected with an external power supply system to supply power to the whole device.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.