CN216309387U

CN216309387U - Laser instrument light leak detection device

Info

Publication number: CN216309387U
Application number: CN202122828585.4U
Authority: CN
Inventors: 张虎; 张高源; 胡小龙; 吴月明
Original assignee: Guangdong Radium Photoelectric Technology Co ltd
Current assignee: Guangdong Radium Photoelectric Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-15
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a laser light leakage detection device, comprising: the cladding optical power stripper, the energy detector and the QBH armor are sequentially arranged on the chassis; the QBH armor is provided with an optical fiber, and the optical fiber penetrates through the energy detector and the cladding optical power stripper; the energy detector comprises a PD fixed base, an upper cover detachably connected with the PD fixed base, a PD probe and a cable which are arranged in the PD fixed base, and a reflecting piece and an insulating piece which are arranged at the bottom of the PD fixed base; and an aluminum alloy polishing reflection inclined plane matched with the reflection piece is also arranged in the PD fixed base. The light of the light leakage port is emitted to the aluminum alloy polishing reflection inclined plane through the light reflecting piece and is reflected through the aluminum alloy polishing reflection inclined plane, if the PD probe 503 detects the light emitted by the aluminum alloy polishing reflection inclined plane 507, the light path device is normal and effective, whether the laser leaks or not is detected, and the light path device of the laser is effectively protected.

Description

Laser instrument light leak detection device

Technical Field

The utility model relates to the technical field of lasers, in particular to a laser light leakage detection device.

Background

In industrial laser application, the power of the existing laser equipment is higher and higher, wherein the power of the optical fiber laser equipment and the semiconductor laser equipment reaches ten thousand watts, along with the increase of the power, when laser leaks, a coating layer is very easy to burn, the whole optical fiber can be quickly burnt, and in severe cases, the laser equipment and supporting equipment can be caused to fire, thereby causing great damage to lives and properties.

Therefore, an optical fiber light leakage detection device is very necessary during laser transmission, especially high-power laser transmission.

In view of the above, it is a problem to be solved in the art to overcome the drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a laser light leakage detection device.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a laser light leakage detecting device, comprising: the cladding optical power stripper, the energy detector and the QBH armor are sequentially arranged on the chassis; the QBH armor is provided with an optical fiber, and the optical fiber penetrates through the energy detector and the cladding optical power stripper; the energy detector comprises a PD fixed base, an upper cover detachably connected with the PD fixed base, a PD probe and a cable which are arranged in the PD fixed base, and a reflecting piece and an insulating piece which are arranged at the bottom of the PD fixed base; and an aluminum alloy polishing reflection inclined plane matched with the reflection piece is also arranged in the PD fixed base.

Preferably, the energy detector further comprises two plastic insulating screws; the PD fixed base is detachably connected with the insulating part through two plastic insulating screws.

Preferably, the energy detector further comprises two screws; the upper cover is detachably connected with the PD fixed base through two screws.

Preferably, the insulating member is provided as an insulating rubber sheet.

Preferably, the reflector is mirror tin paperboard.

Preferably, the two plastic insulating screws and the two screws are arranged in a crossed and diagonal mode.

Preferably, the end of the cladding optical power stripper is further provided with a light leakage port.

By adopting the technical scheme of the utility model, the utility model has the following beneficial effects: the light of the light leakage port is emitted to the aluminum alloy polishing reflection inclined plane through the light reflecting piece and is reflected through the aluminum alloy polishing reflection inclined plane, if the PD probe 503 detects the light emitted by the aluminum alloy polishing reflection inclined plane 507, the light path device is normal and effective, whether the laser leaks or not is detected, and the light path device of the laser is effectively protected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a light leakage port of the cladding optical power stripper of the present invention;

FIG. 3 is an enlarged view taken at FIG. 1A of the present invention;

FIG. 4 is an exploded view of the energy detector of the present invention;

FIG. 5 is a schematic diagram of an energy detector according to the present invention;

FIG. 6 is a schematic diagram of light leakage detection according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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 device 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 specified 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 connected; 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 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, a first feature "on" or "an over" a second feature unless expressly stated or limited otherwise

"under" may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact, but being in contact with each other through additional features between them. 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.

Referring to fig. 1 to 6, the present invention provides a laser light leakage detecting apparatus, including: a cladding optical power stripper 4, an energy detector 5 and a QBH armor cable 6 which are arranged on the chassis 999 in sequence; the QBH armor 4 is provided with an optical fiber 66, and the optical fiber 66 penetrates through the energy detector 5 and the cladding optical power stripper 4; the energy detector comprises a PD fixed base 501, an upper cover 502 detachably connected with the PD fixed base 501, a PD probe 503 and a cable 504 which are arranged in the PD fixed base 501, and a reflecting piece 505 and an insulating piece 506 which are arranged at the bottom of the PD fixed base 501; an aluminum alloy polished reflecting inclined surface 507 matched with the reflecting piece 505 is further arranged in the PD fixed base 505.

In this embodiment, the chassis 999 is an aluminum alloy heat dissipation chassis; the light reflecting member 505 is made of a mirror tin paperboard.

In this embodiment, the two plastic insulating screws 508 are designed to prevent conduction, and the energy detector further includes two plastic insulating screws 508; the PD fixed base 501 is detachably connected with the insulating part through two plastic insulating screws, and is convenient to disassemble and assemble.

In this embodiment, the design of the upper cover 502 and the PD fixing base 501 makes the assembly and disassembly convenient, and facilitates replacement and maintenance of internal devices, and the energy detector further includes two screws 507; the upper cover 502 is detachably connected with the PD fixing base 501 by two screws 508.

In this embodiment, the design of the insulating film can prevent conduction, the insulating member 506 is made of the insulating film, and the insulating member 506 is further provided with holes adapted to the two plastic insulating screws 508.

The two plastic insulating screws 508 and the two screws 507 are arranged in a crossed and diagonal manner.

The end of the cladding optical power stripper 4 is also provided with a light leakage port 401.

The working principle of the utility model is as follows:

during detection, light of the light leakage port is emitted to the aluminum alloy polishing reflection inclined surface 507 through the light reflecting piece 505 and is reflected through the aluminum alloy polishing reflection inclined surface 507, if the PD probe 503 detects the light emitted by the aluminum alloy polishing reflection inclined surface 507, the light path device is normal, otherwise, the light path device is abnormal.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A laser light leakage detection apparatus, comprising: the cladding optical power stripper, the energy detector and the QBH armor are sequentially arranged on the chassis; the QBH armor is provided with an optical fiber, and the optical fiber penetrates through the energy detector and the cladding optical power stripper; the energy detector comprises a PD fixed base, an upper cover detachably connected with the PD fixed base, a PD probe and a cable which are arranged in the PD fixed base, and a reflecting piece and an insulating piece which are arranged at the bottom of the PD fixed base; and an aluminum alloy polishing reflection inclined plane matched with the reflection piece is also arranged in the PD fixed base.

2. The laser leak light detection apparatus of claim 1, wherein the energy detector further comprises two plastic insulating screws; the PD fixed base is detachably connected with the insulating part through two plastic insulating screws.

3. The laser leak light detection apparatus of claim 2, wherein the energy detector further comprises two screws; the upper cover is detachably connected with the PD fixed base through two screws.

4. The laser leak light detection apparatus according to claim 1, wherein the insulating member is provided as an insulating film.

5. The laser leak light detection apparatus of claim 1, wherein the reflector is a mirror tin paperboard.

6. The apparatus of claim 3, wherein the two plastic insulating screws are disposed diagonally and crosswise to the two screws.

7. The laser leak light detection apparatus as claimed in claim 1, wherein the cladding optical power stripper is further provided with a leak port at an end thereof.