CN217902184U

CN217902184U - Light source adjusting mechanism for laser detection device

Info

Publication number: CN217902184U
Application number: CN202221437136.5U
Authority: CN
Inventors: 吴李宗; 陈轩
Original assignee: YANGZHOU LAIDA PHOTOELECTRIC TECHNOLOGY CO LTD
Current assignee: YANGZHOU LAIDA PHOTOELECTRIC TECHNOLOGY CO LTD
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-25
Anticipated expiration: 2032-06-10

Abstract

The utility model provides a light source adjustment mechanism for laser detection device, include: the light source module is used for emitting incident light and converging the incident light to the light splitting module for transmission; the light splitting module is used for performing light splitting treatment on the converged incident light to form a first light path and a second light path, wherein the luminous flux of the first light path is a set and adjusted reference value, and the luminous flux of the second light path is a compensation value; the light splitting module comprises a light splitting mother prism for splitting incident light for the first time, a plurality of light splitting sub-prisms for performing light splitting treatment on the first light path for multiple times, and a detection module, wherein the detection module can determine the target light path, a polarization regulator is arranged on an emergent path of the second light path, and the detection module provides a deflection angle of the second light path for the polarization regulator. Through the utility model discloses a, can realize the light source fast and adjust, ensure laser light source's normal work.

Description

Light source adjusting mechanism for laser detection device

Technical Field

The utility model relates to a laser regulation technical field, more specifically relate to a light source adjustment mechanism for laser detection device.

Background

In recent years, with the development of optoelectronic technology, semiconductor lasers have been widely used in laser medical treatment, laser detection and measurement, instruments and meters, and the like, and have the characteristics of high photoelectric conversion efficiency, wide coverage wavelength range, long service life, small volume, light weight, low price, and the like. In order to meet the requirement of light spots, the axis of the laser light source should be located on the axis of the whole optical system theoretically, but in the actual installation and adjustment process, due to machining errors and assembly errors of parts, the direction of the light source has certain deviation, so that the axis of the light source is not coincident with the axis of the whole optical system. Therefore, the pointing adjustment of the laser light source is important.

In view of the above, there is a need to improve the light source adjusting mechanism in the prior art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a light source adjustment mechanism for laser detection device, it has better light source and focuses and illuminance adjusting capability, and the regulation step is simple, has reduced the regulation degree of difficulty and has adjusted the required time that consumes.

In order to achieve the above object, the utility model provides a light source adjustment mechanism for laser detection device, include:

the light source module is used for emitting incident light and converging the incident light to the light splitting module for transmission;

the light splitting module is used for splitting the converged incident light to form a first light path and a second light path, wherein the luminous flux of the first light path is a set and adjusted reference value, and the luminous flux of the second light path is a compensation value; the light splitting module comprises a light splitting mother prism and a plurality of light splitting sub-prisms, wherein the light splitting mother prism is used for splitting incident light for the first time, the light splitting sub-prisms are in tree-shaped distribution, and the first light path forms a first light path a, a first light path b, a first light path c, 8230, 8230and a plurality of branches of the first light path n, and a target light path exists in the branches of the first light path;

and the detection module can be used for measuring the target light path, a polarization regulator is arranged on the emergent path of the second light path, and the detection module is used for providing the polarization regulator with the deflection angle of the second light path.

As a further improvement of the present invention, the target light path is a certain branch or a plurality of adjacent branches of the first light path.

As a further improvement of the present invention, the light splitting module further includes an exit coupling device, the exit coupling device can be right the target light path with the second light path is coupled to send out a coupling signal to the laser detection device to determine the light path.

As a further improvement of the present invention, the ratio of the luminous flux of the beam splitting prism is 1.

As a further improvement of the present invention, the splitter prism is disposed non-orthogonally to the branch optical path.

As a further improvement, the splitting mother prism is a window mirror for transmitting the incident light and reflecting the incident light, transmitting the incident light forms the second light path and the reflecting the incident light forms the first light path.

As a further improvement of the utility model.

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

(1) A light source adjusting mechanism for a laser detection device is characterized in that incident light is subjected to light splitting treatment through a light splitting module to form a first light path for positioning and guiding a light source, the first light path can form a plurality of branch light paths under the light splitting treatment of a light splitting sub-prism in tree-shaped distribution and exist in a target light path, the target light path is measured through the detection module, the light splitting angle of the target light path relative to a second light path is calculated, a polarized light adjuster is arranged on the path of the second light path and can adjust the second light path according to feedback data of the detection module, so that the polarized light adjuster can be quickly focused with a laser exit port of the laser detection device, meanwhile, the branch light path and the second light path are coupled through an exit coupling device, the adjustment of the light source flux is realized, the light source adjusting step is simple, the adjusting efficiency is high, and manual focusing adjustment is not needed.

Drawings

Fig. 1 is a schematic structural diagram of a light source adjusting mechanism for a laser detection device according to the present invention.

In the figure: 1. a light source module; 2. a light splitting module; 3. a detection module; 10. incident light; 11. a second optical path; 12. a first optical path; 13. a target optical path; 21. a beam splitting mother prism; 22. a beam splitter prism; 23. a polarization regulator; 24. and (4) an out-coupling device.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Please refer to fig. 1, which illustrates a specific embodiment of a light source adjusting mechanism for a laser detection device according to the present invention.

Referring to fig. 1, a light source adjusting mechanism for a laser detection device includes: the light source module 1 is used for emitting incident light 10 and converging the incident light 10 to the light splitting module 2 for transmission; the light splitting module 2 is used for performing light splitting processing on the converged incident light 10 to form a first light path 12 and a second light path 11, wherein the luminous flux of the first light path 12 is a set and adjusted reference value, and the luminous flux of the second light path 11 is a compensation value; the light splitting module 2 comprises a light splitting mother prism 21 for splitting the incident light 10 for the first time, and a plurality of light splitting sub-prisms 22 for performing light splitting treatment on the first light path 12 for a plurality of times, wherein the light splitting sub-prisms 22 are distributed in a tree shape and enable the first light path 12 to form a first light path 12a, a first light path 12b, a first light path 12c, \8230, an \8230, and a plurality of branches of the first light path 12n, and a target light path 13 is arranged in the branch of the first light path 12; and the detection module 3, the detection module 3 can measure the target light path 13, the polarization regulator 23 is arranged on the emergent path of the second light path 11, and the detection module 3 provides the polarization regulator 23 with the deflection angle of the second light path 11. The target optical path 13 is a branch or several adjacent branches of the first optical path 12. The optical splitting module 2 further comprises an exit coupling device 24, and the exit coupling device 24 can couple the target optical path 13 with the second optical path 11 and send a coupling signal to the laser detection device for optical path determination. The beam splitting prism 22 has a beam splitting flux ratio of 1. The splitter sub-prism 22 is disposed non-orthogonally to the branched optical path. The splitting mother prism 21 is a window mirror, and is configured to transmit a part of the incident light 10 and reflect the rest of the incident light 10, the transmitted incident light 10 forms a second light path 11, and the reflected incident light 10 forms a first light path 12.

It should be understood that, a light source adjusting mechanism for a laser detection device, a beam splitting module 2 is used to perform beam splitting processing on an incident light 10 to form a first light path 12 for light source positioning and guiding, the first light path 12 can form a plurality of branch light paths under the beam splitting processing of a beam splitting sub-prism 22 with tree-shaped distribution, and a target light path 13 exists, the target light path 13 is measured by a detection module 3 and the beam splitting angle of the target light path 13 relative to a second light path 11 is calculated, a polarization regulator 23 is arranged on the path of the second light path 11, the polarization regulator 23 can regulate the second light path 11 according to feedback data of the detection module 3, so that the second light path can be quickly focused with a laser exit port of the laser detection device, and meanwhile, the branch light path is coupled with the second light path 11 through an exit coupling device 24 to realize the regulation of light source flux.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A light source adjustment mechanism for a laser inspection device, comprising:

2. The light source adjusting mechanism for the laser detection device as claimed in claim 1, wherein the target optical path is a branch or several adjacent branches of the first optical path.

3. The light source adjusting mechanism for the laser detection device as claimed in claim 1, wherein the beam splitting module further comprises an exit coupling device, the exit coupling device is capable of coupling the target optical path and the second optical path and sending a coupling signal to the laser detection device for optical path determination.

4. The light source adjusting mechanism for the laser detection device as claimed in claim 1, wherein the beam splitting prism has a beam splitting flux ratio of 1.

5. The light source adjusting mechanism for the laser detection device as claimed in claim 1, wherein the photonic splitting prism is disposed non-orthogonally to the branch optical path.

6. The light source adjusting mechanism for the laser detection device as claimed in claim 1, wherein the beam splitter mother prism is a window mirror for passing a portion of the incident light and reflecting the rest of the incident light, the transmitted incident light forms the second light path, and the reflected incident light forms the first light path.